476 files changed, 3614 insertions, 2850 deletions

diff --git a/drivers/acorn/block/mfmhd.c b/drivers/acorn/block/mfmhd.c
index d9c9a35961b3..3dd6b7bb5d35 100644
--- a/drivers/acorn/block/mfmhd.c
+++ b/drivers/acorn/block/mfmhd.c
@@ -1278,7 +1278,7 @@ static int mfm_do_init(unsigned char irqmask)
 
         printk("mfm: detected %d hard drive%s\n", mfm_drives,
                                 mfm_drives == 1 ? "" : "s");
-        ret = request_irq(mfm_irq, mfm_interrupt_handler, SA_INTERRUPT, "MFM harddisk", NULL);
+        ret = request_irq(mfm_irq, mfm_interrupt_handler, IRQF_DISABLED, "MFM harddisk", NULL);
         if (ret) {
                 printk("mfm: unable to get IRQ%d\n", mfm_irq);
                 goto out4;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index dec044c04273..ea5a0496a4fd 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -192,7 +192,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
         /* Make sure this is a valid target state */
 
         if (!device->flags.power_manageable) {
-                printk(KERN_DEBUG "Device `[%s]is not power manageable",
+                printk(KERN_DEBUG "Device `[%s]' is not power manageable",
                                 device->kobj.name);
                 return -ENODEV;
         }
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 5dd2ed11a387..5a468e2779ae 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -280,7 +280,7 @@ acpi_os_install_interrupt_handler(u32 gsi, acpi_osd_handler handler,
 
         acpi_irq_handler = handler;
         acpi_irq_context = context;
-        if (request_irq(irq, acpi_irq, SA_SHIRQ, "acpi", acpi_irq)) {
+        if (request_irq(irq, acpi_irq, IRQF_SHARED, "acpi", acpi_irq)) {
                 printk(KERN_ERR PREFIX "SCI (IRQ%d) allocation failed\n", irq);
                 return AE_NOT_ACQUIRED;
         }
diff --git a/drivers/atm/ambassador.c b/drivers/atm/ambassador.c
index 4048681f36d5..d3b426313a41 100644
--- a/drivers/atm/ambassador.c
+++ b/drivers/atm/ambassador.c
@@ -2286,7 +2286,7 @@ static int __devinit amb_probe(struct pci_dev *pci_dev, const struct pci_device_
         setup_pci_dev(pci_dev);
 
         // grab (but share) IRQ and install handler
-        err = request_irq(irq, interrupt_handler, SA_SHIRQ, DEV_LABEL, dev);
+        err = request_irq(irq, interrupt_handler, IRQF_SHARED, DEV_LABEL, dev);
         if (err < 0) {
                 PRINTK (KERN_ERR, "request IRQ failed!");
                 goto out_reset;
diff --git a/drivers/atm/eni.c b/drivers/atm/eni.c
index 976ced1f019e..df359a6c14f6 100644
--- a/drivers/atm/eni.c
+++ b/drivers/atm/eni.c
@@ -1797,7 +1797,7 @@ static int __devinit eni_start(struct atm_dev *dev)
 
         DPRINTK(">eni_start\n");
         eni_dev = ENI_DEV(dev);
-        if (request_irq(eni_dev->irq,&eni_int,SA_SHIRQ,DEV_LABEL,dev)) {
+        if (request_irq(eni_dev->irq,&eni_int,IRQF_SHARED,DEV_LABEL,dev)) {
                 printk(KERN_ERR DEV_LABEL "(itf %d): IRQ%d is already in use\n",
                     dev->number,eni_dev->irq);
                 error = -EAGAIN;
diff --git a/drivers/atm/firestream.c b/drivers/atm/firestream.c
index d40605c1af73..38fc054bd671 100644
--- a/drivers/atm/firestream.c
+++ b/drivers/atm/firestream.c
@@ -1829,7 +1829,7 @@ static int __devinit fs_init (struct fs_dev *dev)
                 init_q (dev, &dev->rx_rq[i], RXB_RQ(i), RXRQ_NENTRIES, 1);
 
         dev->irq = pci_dev->irq;
-        if (request_irq (dev->irq, fs_irq, SA_SHIRQ, "firestream", dev)) {
+        if (request_irq (dev->irq, fs_irq, IRQF_SHARED, "firestream", dev)) {
                 printk (KERN_WARNING "couldn't get irq %d for firestream.\n", pci_dev->irq);
                 /* XXX undo all previous stuff... */
                 return 1;
diff --git a/drivers/atm/fore200e.c b/drivers/atm/fore200e.c
index 9be9a4055199..98622130de5b 100644
--- a/drivers/atm/fore200e.c
+++ b/drivers/atm/fore200e.c
@@ -2123,7 +2123,7 @@ fore200e_change_qos(struct atm_vcc* vcc,struct atm_qos* qos, int flags)
 static int __devinit
 fore200e_irq_request(struct fore200e* fore200e)
 {
-    if (request_irq(fore200e->irq, fore200e_interrupt, SA_SHIRQ, fore200e->name, fore200e->atm_dev) < 0) {
+    if (request_irq(fore200e->irq, fore200e_interrupt, IRQF_SHARED, fore200e->name, fore200e->atm_dev) < 0) {
 
         printk(FORE200E "unable to reserve IRQ %s for device %s\n",
                fore200e_irq_itoa(fore200e->irq), fore200e->name);
diff --git a/drivers/atm/he.c b/drivers/atm/he.c
index a5cbd3d6e50f..d369130f4235 100644
--- a/drivers/atm/he.c
+++ b/drivers/atm/he.c
@@ -1007,7 +1007,7 @@ he_init_irq(struct he_dev *he_dev)
         he_writel(he_dev, 0x0, GRP_54_MAP);
         he_writel(he_dev, 0x0, GRP_76_MAP);
 
-        if (request_irq(he_dev->pci_dev->irq, he_irq_handler, SA_INTERRUPT|SA_SHIRQ, DEV_LABEL, he_dev)) {
+        if (request_irq(he_dev->pci_dev->irq, he_irq_handler, IRQF_DISABLED|IRQF_SHARED, DEV_LABEL, he_dev)) {
                 hprintk("irq %d already in use\n", he_dev->pci_dev->irq);
                 return -EINVAL;
         }   
diff --git a/drivers/atm/horizon.c b/drivers/atm/horizon.c
index 821c81e8cd38..d1113e845f95 100644
--- a/drivers/atm/horizon.c
+++ b/drivers/atm/horizon.c
@@ -2735,7 +2735,7 @@ static int __devinit hrz_probe(struct pci_dev *pci_dev, const struct pci_device_
         irq = pci_dev->irq;
         if (request_irq(irq,
                         interrupt_handler,
-                        SA_SHIRQ, /* irqflags guess */
+                        IRQF_SHARED, /* irqflags guess */
                         DEV_LABEL, /* name guess */
                         dev)) {
                 PRINTD(DBG_WARN, "request IRQ failed!");
diff --git a/drivers/atm/idt77252.c b/drivers/atm/idt77252.c
index 8fdb30116f99..5d1c6c95262c 100644
--- a/drivers/atm/idt77252.c
+++ b/drivers/atm/idt77252.c
@@ -3386,7 +3386,7 @@ init_card(struct atm_dev *dev)
                 writel(SAR_STAT_TMROF, SAR_REG_STAT);
         }
         IPRINTK("%s: Request IRQ ... ", card->name);
-        if (request_irq(pcidev->irq, idt77252_interrupt, SA_INTERRUPT|SA_SHIRQ,
+        if (request_irq(pcidev->irq, idt77252_interrupt, IRQF_DISABLED|IRQF_SHARED,
                         card->name, card) != 0) {
                 printk("%s: can't allocate IRQ.\n", card->name);
                 deinit_card(card);
diff --git a/drivers/atm/iphase.c b/drivers/atm/iphase.c
index 333a7bc609d2..f20b0b2c06c6 100644
--- a/drivers/atm/iphase.c
+++ b/drivers/atm/iphase.c
@@ -2488,7 +2488,7 @@ static int __devinit ia_start(struct atm_dev *dev)
         u32 ctrl_reg;  
         IF_EVENT(printk(">ia_start\n");)  
         iadev = INPH_IA_DEV(dev);  
-        if (request_irq(iadev->irq, &ia_int, SA_SHIRQ, DEV_LABEL, dev)) {  
+        if (request_irq(iadev->irq, &ia_int, IRQF_SHARED, DEV_LABEL, dev)) {
                 printk(KERN_ERR DEV_LABEL "(itf %d): IRQ%d is already in use\n",  
                     dev->number, iadev->irq);  
                 error = -EAGAIN;
diff --git a/drivers/atm/lanai.c b/drivers/atm/lanai.c
index cac09e353be8..fe60a59b7fc0 100644
--- a/drivers/atm/lanai.c
+++ b/drivers/atm/lanai.c
@@ -2240,7 +2240,7 @@ static int __devinit lanai_dev_open(struct atm_dev *atmdev)
         conf2_write(lanai);
         reg_write(lanai, TX_FIFO_DEPTH, TxDepth_Reg);
         reg_write(lanai, 0, CBR_ICG_Reg);       /* CBR defaults to no limit */
-        if ((result = request_irq(lanai->pci->irq, lanai_int, SA_SHIRQ,
+        if ((result = request_irq(lanai->pci->irq, lanai_int, IRQF_SHARED,
             DEV_LABEL, lanai)) != 0) {
                 printk(KERN_ERR DEV_LABEL ": can't allocate interrupt\n");
                 goto error_vcctable;
diff --git a/drivers/atm/nicstar.c b/drivers/atm/nicstar.c
index b78612d3fa46..b8036899e56f 100644
--- a/drivers/atm/nicstar.c
+++ b/drivers/atm/nicstar.c
@@ -625,7 +625,7 @@ static int __devinit ns_init_card(int i, struct pci_dev *pcidev)
    if (mac[i] == NULL)
       nicstar_init_eprom(card->membase);
 
-   if (request_irq(pcidev->irq, &ns_irq_handler, SA_INTERRUPT | SA_SHIRQ, "nicstar", card) != 0)
+   if (request_irq(pcidev->irq, &ns_irq_handler, IRQF_DISABLED | IRQF_SHARED, "nicstar", card) != 0)
    {
       printk("nicstar%d: can't allocate IRQ %d.\n", i, pcidev->irq);
       error = 9;
diff --git a/drivers/atm/zatm.c b/drivers/atm/zatm.c
index 1699c934bad0..2c65e82f0d6b 100644
--- a/drivers/atm/zatm.c
+++ b/drivers/atm/zatm.c
@@ -1270,7 +1270,7 @@ static int __init zatm_start(struct atm_dev *dev)
         zatm_dev->rx_map = zatm_dev->tx_map = NULL;
         for (i = 0; i < NR_MBX; i++)
                 zatm_dev->mbx_start[i] = 0;
-        error = request_irq(zatm_dev->irq, zatm_int, SA_SHIRQ, DEV_LABEL, dev);
+        error = request_irq(zatm_dev->irq, zatm_int, IRQF_SHARED, DEV_LABEL, dev);
         if (error < 0) {
                 printk(KERN_ERR DEV_LABEL "(itf %d): IRQ%d is already in use\n",
                     dev->number,zatm_dev->irq);
diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index 50ca1aa4ee3b..4cd23c3eab41 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -3014,7 +3014,7 @@ DAC960_DetectController(struct pci_dev *PCI_Device,
      Acquire shared access to the IRQ Channel.
   */
   IRQ_Channel = PCI_Device->irq;
-  if (request_irq(IRQ_Channel, InterruptHandler, SA_SHIRQ,
+  if (request_irq(IRQ_Channel, InterruptHandler, IRQF_SHARED,
                       Controller->FullModelName, Controller) < 0)
   {
         DAC960_Error("Unable to acquire IRQ Channel %d for Controller at\n",
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 05fb08312c01..1c4df22dfd2a 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -3159,7 +3159,7 @@ static int __devinit cciss_init_one(struct pci_dev *pdev,
         /* make sure the board interrupts are off */
         hba[i]->access.set_intr_mask(hba[i], CCISS_INTR_OFF);
         if (request_irq(hba[i]->intr[SIMPLE_MODE_INT], do_cciss_intr,
-                        SA_INTERRUPT | SA_SHIRQ, hba[i]->devname, hba[i])) {
+                        IRQF_DISABLED | IRQF_SHARED, hba[i]->devname, hba[i])) {
                 printk(KERN_ERR "cciss: Unable to get irq %d for %s\n",
                        hba[i]->intr[SIMPLE_MODE_INT], hba[i]->devname);
                 goto clean2;
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index bfd245df0a8c..757f42dd8e86 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -408,7 +408,7 @@ static int __init cpqarray_register_ctlr( int i, struct pci_dev *pdev)
         }
         hba[i]->access.set_intr_mask(hba[i], 0);
         if (request_irq(hba[i]->intr, do_ida_intr,
-                SA_INTERRUPT|SA_SHIRQ, hba[i]->devname, hba[i]))
+                IRQF_DISABLED|IRQF_SHARED, hba[i]->devname, hba[i]))
         {
                 printk(KERN_ERR "cpqarray: Unable to get irq %d for %s\n",
                                 hba[i]->intr, hba[i]->devname);
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index 39662f0c9cce..0a1b1ea36ddc 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -50,9 +50,9 @@
 #define DBG_RX          0x0200
 #define DBG_TX          0x0400
 static unsigned int debugflags;
-static unsigned int nbds_max = 16;
 #endif /* NDEBUG */
 
+static unsigned int nbds_max = 16;
 static struct nbd_device nbd_dev[MAX_NBD];
 
 /*
diff --git a/drivers/block/ps2esdi.c b/drivers/block/ps2esdi.c
index aef5a0ccabc9..5537974fb242 100644
--- a/drivers/block/ps2esdi.c
+++ b/drivers/block/ps2esdi.c
@@ -340,9 +340,9 @@ static int __init ps2esdi_geninit(void)
         /* try to grab IRQ, and try to grab a slow IRQ if it fails, so we can
            share with the SCSI driver */
         if (request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler,
-                  SA_INTERRUPT | SA_SHIRQ, "PS/2 ESDI", &ps2esdi_gendisk)
+                  IRQF_DISABLED | IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk)
             && request_irq(PS2ESDI_IRQ, ps2esdi_interrupt_handler,
-                           SA_SHIRQ, "PS/2 ESDI", &ps2esdi_gendisk)
+                           IRQF_SHARED, "PS/2 ESDI", &ps2esdi_gendisk)
             ) {
                 printk("%s: Unable to get IRQ %d\n", DEVICE_NAME, PS2ESDI_IRQ);
                 error = -EBUSY;
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index 10a4aa5fb54d..c6beee18a07c 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -1676,7 +1676,7 @@ static int carm_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
 
         pci_set_master(pdev);
 
-        rc = request_irq(pdev->irq, carm_interrupt, SA_SHIRQ, DRV_NAME, host);
+        rc = request_irq(pdev->irq, carm_interrupt, IRQF_SHARED, DRV_NAME, host);
         if (rc) {
                 printk(KERN_ERR DRV_NAME "(%s): irq alloc failure\n",
                        pci_name(pdev));
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index f675f97f2a78..5d8925bd9045 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -1040,7 +1040,7 @@ static int __devinit mm_pci_probe(struct pci_dev *dev, const struct pci_device_i
         card->win_size = data;
 
 
-        if (request_irq(dev->irq, mm_interrupt, SA_SHIRQ, "pci-umem", card)) {
+        if (request_irq(dev->irq, mm_interrupt, IRQF_SHARED, "pci-umem", card)) {
                 printk(KERN_ERR "MM%d: Unable to allocate IRQ\n", card->card_number);
                 ret = -ENODEV;
 
diff --git a/drivers/cdrom/cdu31a.c b/drivers/cdrom/cdu31a.c
index 5f0f2027f29e..37bdb0163f0d 100644
--- a/drivers/cdrom/cdu31a.c
+++ b/drivers/cdrom/cdu31a.c
@@ -3141,7 +3141,7 @@ int __init cdu31a_init(void)
 
         if (cdu31a_irq > 0) {
                 if (request_irq
-                    (cdu31a_irq, cdu31a_interrupt, SA_INTERRUPT,
+                    (cdu31a_irq, cdu31a_interrupt, IRQF_DISABLED,
                      "cdu31a", NULL)) {
                         printk(KERN_WARNING PFX "Unable to grab IRQ%d for "
                                         "the CDU31A driver\n", cdu31a_irq);
diff --git a/drivers/cdrom/mcdx.c b/drivers/cdrom/mcdx.c
index 788c7a0b2fe3..dcd1ab684f3e 100644
--- a/drivers/cdrom/mcdx.c
+++ b/drivers/cdrom/mcdx.c
@@ -1193,7 +1193,7 @@ static int __init mcdx_init_drive(int drive)
         }
 
         xtrace(INIT, "init() subscribe irq and i/o\n");
-        if (request_irq(stuffp->irq, mcdx_intr, SA_INTERRUPT, "mcdx", stuffp)) {
+        if (request_irq(stuffp->irq, mcdx_intr, IRQF_DISABLED, "mcdx", stuffp)) {
                 release_region(stuffp->wreg_data, MCDX_IO_SIZE);
                 xwarn("%s=0x%03x,%d: Init failed. Can't get irq (%d).\n",
                       MCDX, stuffp->wreg_data, stuffp->irq, stuffp->irq);
diff --git a/drivers/cdrom/sonycd535.c b/drivers/cdrom/sonycd535.c
index 8f7cc452af8d..30ab56258a92 100644
--- a/drivers/cdrom/sonycd535.c
+++ b/drivers/cdrom/sonycd535.c
@@ -1527,7 +1527,7 @@ static int __init sony535_init(void)
         }
         if (sony535_irq_used > 0) {
             if (request_irq(sony535_irq_used, cdu535_interrupt,
-                                                SA_INTERRUPT, CDU535_HANDLE, NULL)) {
+                                                IRQF_DISABLED, CDU535_HANDLE, NULL)) {
                         printk("Unable to grab IRQ%d for the " CDU535_MESSAGE_NAME
                                         " driver; polling instead.\n", sony535_irq_used);
                         sony535_irq_used = 0;
diff --git a/drivers/char/amiserial.c b/drivers/char/amiserial.c
index 3e7dc7cbd740..9d6713a93ed7 100644
--- a/drivers/char/amiserial.c
+++ b/drivers/char/amiserial.c
@@ -2051,7 +2051,7 @@ static int __init rs_init(void)
 
         /* set ISRs, and then disable the rx interrupts */
         request_irq(IRQ_AMIGA_TBE, ser_tx_int, 0, "serial TX", state);
-        request_irq(IRQ_AMIGA_RBF, ser_rx_int, SA_INTERRUPT, "serial RX", state);
+        request_irq(IRQ_AMIGA_RBF, ser_rx_int, IRQF_DISABLED, "serial RX", state);
 
         /* turn off Rx and Tx interrupts */
         custom.intena = IF_RBF | IF_TBE;
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 72fb60765c45..bcc4668835b5 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -229,7 +229,7 @@ static int __init applicom_init(void)
                         continue;
                 }
 
-                if (request_irq(dev->irq, &ac_interrupt, SA_SHIRQ, "Applicom PCI", &dummy)) {
+                if (request_irq(dev->irq, &ac_interrupt, IRQF_SHARED, "Applicom PCI", &dummy)) {
                         printk(KERN_INFO "Could not allocate IRQ %d for PCI Applicom device.\n", dev->irq);
                         iounmap(RamIO);
                         pci_disable_device(dev);
@@ -276,7 +276,7 @@ static int __init applicom_init(void)
                 printk(KERN_NOTICE "Applicom ISA card found at mem 0x%lx, irq %d\n", mem + (LEN_RAM_IO*i), irq);
 
                 if (!numisa) {
-                        if (request_irq(irq, &ac_interrupt, SA_SHIRQ, "Applicom ISA", &dummy)) {
+                        if (request_irq(irq, &ac_interrupt, IRQF_SHARED, "Applicom ISA", &dummy)) {
                                 printk(KERN_WARNING "Could not allocate IRQ %d for ISA Applicom device.\n", irq);
                                 iounmap(RamIO);
                                 apbs[boardno - 1].RamIO = NULL;
diff --git a/drivers/char/cyclades.c b/drivers/char/cyclades.c
index 1f61a6744a26..c1c67281750d 100644
--- a/drivers/char/cyclades.c
+++ b/drivers/char/cyclades.c
@@ -4612,7 +4612,7 @@ cy_detect_isa(void)
 
                 /* allocate IRQ */
                 if(request_irq(cy_isa_irq, cyy_interrupt,
-                                   SA_INTERRUPT, "Cyclom-Y", &cy_card[j]))
+                                   IRQF_DISABLED, "Cyclom-Y", &cy_card[j]))
                 {
                         printk("Cyclom-Y/ISA found at 0x%lx ",
                                 (unsigned long) cy_isa_address);
@@ -4785,7 +4785,7 @@ cy_detect_pci(void)
 
                 /* allocate IRQ */
                 if(request_irq(cy_pci_irq, cyy_interrupt,
-                        SA_SHIRQ, "Cyclom-Y", &cy_card[j]))
+                        IRQF_SHARED, "Cyclom-Y", &cy_card[j]))
                 {
                         printk("Cyclom-Y/PCI found at 0x%lx ",
                             (ulong) cy_pci_phys2);
@@ -4965,7 +4965,7 @@ cy_detect_pci(void)
                 /* allocate IRQ only if board has an IRQ */
                 if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) {
                     if(request_irq(cy_pci_irq, cyz_interrupt,
-                        SA_SHIRQ, "Cyclades-Z", &cy_card[j]))
+                        IRQF_SHARED, "Cyclades-Z", &cy_card[j]))
                     {
                         printk("Cyclom-8Zo/PCI found at 0x%lx ",
                             (ulong) cy_pci_phys2);
@@ -5059,7 +5059,7 @@ cy_detect_pci(void)
                 /* allocate IRQ only if board has an IRQ */
                 if( (cy_pci_irq != 0) && (cy_pci_irq != 255) ) {
                     if(request_irq(cy_pci_irq, cyz_interrupt,
-                        SA_SHIRQ, "Cyclades-Z", &cy_card[j]))
+                        IRQF_SHARED, "Cyclades-Z", &cy_card[j]))
                     {
                         printk("Cyclom-Ze/PCI found at 0x%lx ",
                             (ulong) cy_pci_phys2);
diff --git a/drivers/char/drm/drm_irq.c b/drivers/char/drm/drm_irq.c
index 611a1173091d..ebdb7182c4fd 100644
--- a/drivers/char/drm/drm_irq.c
+++ b/drivers/char/drm/drm_irq.c
@@ -130,7 +130,7 @@ static int drm_irq_install(drm_device_t * dev)
 
         /* Install handler */
         if (drm_core_check_feature(dev, DRIVER_IRQ_SHARED))
-                sh_flags = SA_SHIRQ;
+                sh_flags = IRQF_SHARED;
 
         ret = request_irq(dev->irq, dev->driver->irq_handler,
                           sh_flags, dev->devname, dev);
diff --git a/drivers/char/esp.c b/drivers/char/esp.c
index 9827d170ca17..afcd83d9984b 100644
--- a/drivers/char/esp.c
+++ b/drivers/char/esp.c
@@ -883,7 +883,7 @@ static int startup(struct esp_struct * info)
          * Allocate the IRQ
          */
 
-        retval = request_irq(info->irq, rs_interrupt_single, SA_SHIRQ,
+        retval = request_irq(info->irq, rs_interrupt_single, IRQF_SHARED,
                              "esp serial", info);
 
         if (retval) {
diff --git a/drivers/char/ftape/lowlevel/fdc-io.c b/drivers/char/ftape/lowlevel/fdc-io.c
index 093fdf98b19a..65c9d2ec60bd 100644
--- a/drivers/char/ftape/lowlevel/fdc-io.c
+++ b/drivers/char/ftape/lowlevel/fdc-io.c
@@ -1268,7 +1268,7 @@ static int fdc_grab_irq_and_dma(void)
                 /*  Get fast interrupt handler.
                  */
                 if (request_irq(fdc.irq, ftape_interrupt,
-                                SA_INTERRUPT, "ft", ftape_id)) {
+                                IRQF_DISABLED, "ft", ftape_id)) {
                         TRACE_ABORT(-EIO, ft_t_bug,
                                     "Unable to grab IRQ%d for ftape driver",
                                     fdc.irq);
diff --git a/drivers/char/hpet.c b/drivers/char/hpet.c
index 8b6c76f8ef0e..e5643f3aa73f 100644
--- a/drivers/char/hpet.c
+++ b/drivers/char/hpet.c
@@ -395,7 +395,7 @@ static int hpet_ioctl_ieon(struct hpet_dev *devp)
 
                 sprintf(devp->hd_name, "hpet%d", (int)(devp - hpetp->hp_dev));
                 irq_flags = devp->hd_flags & HPET_SHARED_IRQ
-                                                ? SA_SHIRQ : SA_INTERRUPT;
+                                                ? IRQF_SHARED : IRQF_DISABLED;
                 if (request_irq(irq, hpet_interrupt, irq_flags,
                                 devp->hd_name, (void *)devp)) {
                         printk(KERN_ERR "hpet: IRQ %d is not free\n", irq);
diff --git a/drivers/char/hvc_console.c b/drivers/char/hvc_console.c
index 859e5005c785..ca2f538e549e 100644
--- a/drivers/char/hvc_console.c
+++ b/drivers/char/hvc_console.c
@@ -346,7 +346,7 @@ static int hvc_open(struct tty_struct *tty, struct file * filp)
         spin_unlock_irqrestore(&hp->lock, flags);
         /* check error, fallback to non-irq */
         if (irq != NO_IRQ)
-                rc = request_irq(irq, hvc_handle_interrupt, SA_INTERRUPT, "hvc_console", hp);
+                rc = request_irq(irq, hvc_handle_interrupt, IRQF_DISABLED, "hvc_console", hp);
 
         /*
          * If the request_irq() fails and we return an error.  The tty layer
diff --git a/drivers/char/hvcs.c b/drivers/char/hvcs.c
index 130dedc37568..4589ff302b07 100644
--- a/drivers/char/hvcs.c
+++ b/drivers/char/hvcs.c
@@ -899,7 +899,7 @@ static int hvcs_enable_device(struct hvcs_struct *hvcsd, uint32_t unit_address,
          * the conn was registered and now.
          */
         if (!(rc = request_irq(irq, &hvcs_handle_interrupt,
-                                SA_INTERRUPT, "ibmhvcs", hvcsd))) {
+                                IRQF_DISABLED, "ibmhvcs", hvcsd))) {
                 /*
                  * It is possible the vty-server was removed after the irq was
                  * requested but before we have time to enable interrupts.
diff --git a/drivers/char/hvsi.c b/drivers/char/hvsi.c
index 7b04eb153205..8dc205b275e3 100644
--- a/drivers/char/hvsi.c
+++ b/drivers/char/hvsi.c
@@ -1168,7 +1168,7 @@ static int __init hvsi_init(void)
                 struct hvsi_struct *hp = &hvsi_ports[i];
                 int ret = 1;
 
-                ret = request_irq(hp->virq, hvsi_interrupt, SA_INTERRUPT, "hvsi", hp);
+                ret = request_irq(hp->virq, hvsi_interrupt, IRQF_DISABLED, "hvsi", hp);
                 if (ret)
                         printk(KERN_ERR "HVSI: couldn't reserve irq 0x%x (error %i)\n",
                                 hp->virq, ret);
diff --git a/drivers/char/ip2/ip2main.c b/drivers/char/ip2/ip2main.c
index f9aa53c76f99..a4200a2b0811 100644
--- a/drivers/char/ip2/ip2main.c
+++ b/drivers/char/ip2/ip2main.c
@@ -491,8 +491,8 @@ static struct tty_operations ip2_ops = {
 /* initialisation of the devices and driver structures, and registers itself  */
 /* with the relevant kernel modules.                                          */
 /******************************************************************************/
-/* SA_INTERRUPT- if set blocks all interrupts else only this line */
-/* SA_SHIRQ    - for shared irq PCI or maybe EISA only */
+/* IRQF_DISABLED - if set blocks all interrupts else only this line */
+/* IRQF_SHARED    - for shared irq PCI or maybe EISA only */
 /* SA_RANDOM   - can be source for cert. random number generators */
 #define IP2_SA_FLAGS    0
 
@@ -753,7 +753,7 @@ retry:
                                 if (have_requested_irq(ip2config.irq[i]))
                                         continue;
                                 rc = request_irq( ip2config.irq[i], ip2_interrupt,
-                                        IP2_SA_FLAGS | (ip2config.type[i] == PCI ? SA_SHIRQ : 0),
+                                        IP2_SA_FLAGS | (ip2config.type[i] == PCI ? IRQF_SHARED : 0),
                                         pcName, (void *)&pcName);
                                 if (rc) {
                                         printk(KERN_ERR "IP2: an request_irq failed: error %d\n",rc);
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c
index c7f3e5c80666..f57eba0bf253 100644
--- a/drivers/char/ipmi/ipmi_si_intf.c
+++ b/drivers/char/ipmi/ipmi_si_intf.c
@@ -1041,7 +1041,7 @@ static int std_irq_setup(struct smi_info *info)
         if (info->si_type == SI_BT) {
                 rv = request_irq(info->irq,
                                  si_bt_irq_handler,
-                                 SA_INTERRUPT,
+                                 IRQF_DISABLED,
                                  DEVICE_NAME,
                                  info);
                 if (!rv)
@@ -1051,7 +1051,7 @@ static int std_irq_setup(struct smi_info *info)
         } else
                 rv = request_irq(info->irq,
                                  si_irq_handler,
-                                 SA_INTERRUPT,
+                                 IRQF_DISABLED,
                                  DEVICE_NAME,
                                  info);
         if (rv) {
diff --git a/drivers/char/isicom.c b/drivers/char/isicom.c
index c105b9540ad8..913be23e0a24 100644
--- a/drivers/char/isicom.c
+++ b/drivers/char/isicom.c
@@ -1614,14 +1614,14 @@ static int __devinit isicom_register_isr(struct pci_dev *pdev,
         const unsigned int index)
 {
         struct isi_board *board = pci_get_drvdata(pdev);
-        unsigned long irqflags = SA_INTERRUPT;
+        unsigned long irqflags = IRQF_DISABLED;
         int retval = -EINVAL;
 
         if (!board->base)
                 goto end;
 
         if (board->isa == NO)
-                irqflags |= SA_SHIRQ;
+                irqflags |= IRQF_SHARED;
 
         retval = request_irq(board->irq, isicom_interrupt, irqflags,
                 ISICOM_NAME, board);
diff --git a/drivers/char/ite_gpio.c b/drivers/char/ite_gpio.c
index d1ed6ac950d1..747ba45e50e5 100644
--- a/drivers/char/ite_gpio.c
+++ b/drivers/char/ite_gpio.c
@@ -397,7 +397,7 @@ int __init ite_gpio_init(void)
                 init_waitqueue_head(&ite_gpio_wait[i]);
         }
 
-        if (request_irq(ite_gpio_irq, ite_gpio_irq_handler, SA_SHIRQ, "gpio", 0) < 0) {
+        if (request_irq(ite_gpio_irq, ite_gpio_irq_handler, IRQF_SHARED, "gpio", 0) < 0) {
                 misc_deregister(&ite_gpio_miscdev);
                 release_region(ite_gpio_base, 0x1c);
                 return 0;
diff --git a/drivers/char/mbcs.c b/drivers/char/mbcs.c
index bb07c2766b27..0385650f6077 100644
--- a/drivers/char/mbcs.c
+++ b/drivers/char/mbcs.c
@@ -592,7 +592,7 @@ static int mbcs_intr_alloc(struct cx_dev *dev)
         getdma->intrHostDest = sn_irq->irq_xtalkaddr;
         getdma->intrVector = sn_irq->irq_irq;
         if (request_irq(sn_irq->irq_irq,
-                        (void *)mbcs_completion_intr_handler, SA_SHIRQ,
+                        (void *)mbcs_completion_intr_handler, IRQF_SHARED,
                         "MBCS get intr", (void *)soft)) {
                 tiocx_irq_free(soft->get_sn_irq);
                 return -EAGAIN;
@@ -608,7 +608,7 @@ static int mbcs_intr_alloc(struct cx_dev *dev)
         putdma->intrHostDest = sn_irq->irq_xtalkaddr;
         putdma->intrVector = sn_irq->irq_irq;
         if (request_irq(sn_irq->irq_irq,
-                        (void *)mbcs_completion_intr_handler, SA_SHIRQ,
+                        (void *)mbcs_completion_intr_handler, IRQF_SHARED,
                         "MBCS put intr", (void *)soft)) {
                 tiocx_irq_free(soft->put_sn_irq);
                 free_irq(soft->get_sn_irq->irq_irq, soft);
@@ -628,7 +628,7 @@ static int mbcs_intr_alloc(struct cx_dev *dev)
         algo->intrHostDest = sn_irq->irq_xtalkaddr;
         algo->intrVector = sn_irq->irq_irq;
         if (request_irq(sn_irq->irq_irq,
-                        (void *)mbcs_completion_intr_handler, SA_SHIRQ,
+                        (void *)mbcs_completion_intr_handler, IRQF_SHARED,
                         "MBCS algo intr", (void *)soft)) {
                 tiocx_irq_free(soft->algo_sn_irq);
                 free_irq(soft->put_sn_irq->irq_irq, soft);
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index 95e8122b8068..70b774ff5aa4 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -687,7 +687,7 @@ static int __init mmtimer_init(void)
         mmtimer_femtoperiod = ((unsigned long)1E15 + sn_rtc_cycles_per_second /
                                2) / sn_rtc_cycles_per_second;
 
-        if (request_irq(SGI_MMTIMER_VECTOR, mmtimer_interrupt, SA_PERCPU_IRQ, MMTIMER_NAME, NULL)) {
+        if (request_irq(SGI_MMTIMER_VECTOR, mmtimer_interrupt, IRQF_PERCPU, MMTIMER_NAME, NULL)) {
                 printk(KERN_WARNING "%s: unable to allocate interrupt.",
                         MMTIMER_NAME);
                 return -1;
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index eb1559fcb81a..556abd3e0d07 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -94,7 +94,7 @@
 #define RELEVANT_IFLAG(iflag)   (iflag & (IGNBRK|BRKINT|IGNPAR|PARMRK|INPCK|\
                                           IXON|IXOFF))
 
-#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? SA_SHIRQ : SA_INTERRUPT)
+#define IRQ_T(info) ((info->flags & ASYNC_SHARE_IRQ) ? IRQF_SHARED : IRQF_DISABLED)
 
 #define C168_ASIC_ID    1
 #define C104_ASIC_ID    2
diff --git a/drivers/char/nwbutton.c b/drivers/char/nwbutton.c
index 94845dd12ca9..f240a104d250 100644
--- a/drivers/char/nwbutton.c
+++ b/drivers/char/nwbutton.c
@@ -223,7 +223,7 @@ static int __init nwbutton_init(void)
                 return -EBUSY;
         }
 
-        if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, SA_INTERRUPT,
+        if (request_irq (IRQ_NETWINDER_BUTTON, button_handler, IRQF_DISABLED,
                         "nwbutton", NULL)) {
                 printk (KERN_WARNING "nwbutton: IRQ %d is not free.\n",
                                 IRQ_NETWINDER_BUTTON);
diff --git a/drivers/char/qtronix.c b/drivers/char/qtronix.c
index 1087530e5854..9d134e98d2a0 100644
--- a/drivers/char/qtronix.c
+++ b/drivers/char/qtronix.c
@@ -144,7 +144,7 @@ void __init init_qtronix_990P_kbd(void)
         cir_port_init(cir);
 
         retval = request_irq(IT8172_CIR0_IRQ, kbd_int_handler, 
-                        (unsigned long )(SA_INTERRUPT|SA_SHIRQ), 
+                        (unsigned long )(IRQF_DISABLED|IRQF_SHARED),
                         (const char *)"Qtronix IR Keyboard", (void *)cir);
 
         if (retval) {
diff --git a/drivers/char/rio/rio_linux.c b/drivers/char/rio/rio_linux.c
index 5332d1d4b0e4..3afc6a47ebbc 100644
--- a/drivers/char/rio/rio_linux.c
+++ b/drivers/char/rio/rio_linux.c
@@ -1119,7 +1119,7 @@ static int __init rio_init(void)
         for (i = 0; i < p->RIONumHosts; i++) {
                 hp = &p->RIOHosts[i];
                 if (hp->Ivec) {
-                        int mode = SA_SHIRQ;
+                        int mode = IRQF_SHARED;
                         if (hp->Ivec & 0x8000) {
                                 mode = 0;
                                 hp->Ivec &= 0x7fff;
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index c84c3c3f10c3..f1c94f771af5 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -625,7 +625,7 @@ static inline int rc_setup_board(struct riscom_board * bp)
         if (bp->flags & RC_BOARD_ACTIVE) 
                 return 0;
         
-        error = request_irq(bp->irq, rc_interrupt, SA_INTERRUPT,
+        error = request_irq(bp->irq, rc_interrupt, IRQF_DISABLED,
                             "RISCom/8", NULL);
         if (error) 
                 return error;
diff --git a/drivers/char/rtc.c b/drivers/char/rtc.c
index 37dc2edd8d75..aefac4ac0bf5 100644
--- a/drivers/char/rtc.c
+++ b/drivers/char/rtc.c
@@ -220,7 +220,7 @@ static inline unsigned char rtc_is_updating(void)
 
 #ifdef RTC_IRQ
 /*
- *      A very tiny interrupt handler. It runs with SA_INTERRUPT set,
+ *      A very tiny interrupt handler. It runs with IRQF_DISABLED set,
  *      but there is possibility of conflicting with the set_rtc_mmss()
  *      call (the rtc irq and the timer irq can easily run at the same
  *      time in two different CPUs). So we need to serialize
@@ -958,7 +958,7 @@ found:
          * XXX Interrupt pin #7 in Espresso is shared between RTC and
          * PCI Slot 2 INTA# (and some INTx# in Slot 1).
          */
-        if (request_irq(rtc_irq, rtc_interrupt, SA_SHIRQ, "rtc", (void *)&rtc_port)) {
+        if (request_irq(rtc_irq, rtc_interrupt, IRQF_SHARED, "rtc", (void *)&rtc_port)) {
                 printk(KERN_ERR "rtc: cannot register IRQ %d\n", rtc_irq);
                 return -EIO;
         }
@@ -976,7 +976,7 @@ no_irq:
                 rtc_int_handler_ptr = rtc_interrupt;
         }
 
-        if(request_irq(RTC_IRQ, rtc_int_handler_ptr, SA_INTERRUPT, "rtc", NULL)) {
+        if(request_irq(RTC_IRQ, rtc_int_handler_ptr, IRQF_DISABLED, "rtc", NULL)) {
                 /* Yeah right, seeing as irq 8 doesn't even hit the bus. */
                 printk(KERN_ERR "rtc: IRQ %d is not free.\n", RTC_IRQ);
                 release_region(RTC_PORT(0), RTC_IO_EXTENT);
diff --git a/drivers/char/s3c2410-rtc.c b/drivers/char/s3c2410-rtc.c
index b0038b19b505..5458ef1634e5 100644
--- a/drivers/char/s3c2410-rtc.c
+++ b/drivers/char/s3c2410-rtc.c
@@ -341,13 +341,13 @@ static int s3c2410_rtc_open(void)
         int ret;
 
         ret = request_irq(s3c2410_rtc_alarmno, s3c2410_rtc_alarmirq,
-                          SA_INTERRUPT,  "s3c2410-rtc alarm", NULL);
+                          IRQF_DISABLED,  "s3c2410-rtc alarm", NULL);
 
         if (ret)
                 printk(KERN_ERR "IRQ%d already in use\n", s3c2410_rtc_alarmno);
 
         ret = request_irq(s3c2410_rtc_tickno, s3c2410_rtc_tickirq,
-                          SA_INTERRUPT,  "s3c2410-rtc tick", NULL);
+                          IRQF_DISABLED,  "s3c2410-rtc tick", NULL);
 
         if (ret) {
                 printk(KERN_ERR "IRQ%d already in use\n", s3c2410_rtc_tickno);
diff --git a/drivers/char/snsc.c b/drivers/char/snsc.c
index 56c8243cdb73..203240b6c08f 100644
--- a/drivers/char/snsc.c
+++ b/drivers/char/snsc.c
@@ -105,7 +105,7 @@ scdrv_open(struct inode *inode, struct file *file)
 
         /* hook this subchannel up to the system controller interrupt */
         rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
-                         SA_SHIRQ | SA_INTERRUPT,
+                         IRQF_SHARED | IRQF_DISABLED,
                          SYSCTL_BASENAME, sd);
         if (rv) {
                 ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c
index e234d50e142a..8b2210b633df 100644
--- a/drivers/char/snsc_event.c
+++ b/drivers/char/snsc_event.c
@@ -310,7 +310,7 @@ scdrv_event_init(struct sysctl_data_s *scd)
 
         /* hook event subchannel up to the system controller interrupt */
         rv = request_irq(SGI_UART_VECTOR, scdrv_event_interrupt,
-                         SA_SHIRQ | SA_INTERRUPT,
+                         IRQF_SHARED | IRQF_DISABLED,
                          "system controller events", event_sd);
         if (rv) {
                 printk(KERN_WARNING "%s: irq request failed (%d)\n",
diff --git a/drivers/char/sonypi.c b/drivers/char/sonypi.c
index e19d4856e9fc..45508a039508 100644
--- a/drivers/char/sonypi.c
+++ b/drivers/char/sonypi.c
@@ -1282,7 +1282,7 @@ static int __devinit sonypi_setup_irq(struct sonypi_device *dev,
         while (irq_list->irq) {
 
                 if (!request_irq(irq_list->irq, sonypi_irq,
-                                 SA_SHIRQ, "sonypi", sonypi_irq)) {
+                                 IRQF_SHARED, "sonypi", sonypi_irq)) {
                         dev->irq = irq_list->irq;
                         dev->bits = irq_list->bits;
                         return 0;
diff --git a/drivers/char/specialix.c b/drivers/char/specialix.c
index d4243fb80815..cb2859249d49 100644
--- a/drivers/char/specialix.c
+++ b/drivers/char/specialix.c
@@ -1015,9 +1015,9 @@ static inline int sx_setup_board(struct specialix_board * bp)
                 return 0;
 
         if (bp->flags & SX_BOARD_IS_PCI)
-                error = request_irq(bp->irq, sx_interrupt, SA_INTERRUPT | SA_SHIRQ, "specialix IO8+", bp);
+                error = request_irq(bp->irq, sx_interrupt, IRQF_DISABLED | IRQF_SHARED, "specialix IO8+", bp);
         else
-                error = request_irq(bp->irq, sx_interrupt, SA_INTERRUPT, "specialix IO8+", bp);
+                error = request_irq(bp->irq, sx_interrupt, IRQF_DISABLED, "specialix IO8+", bp);
 
         if (error)
                 return error;
diff --git a/drivers/char/stallion.c b/drivers/char/stallion.c
index f15df0e423e0..ed7b8eaf0367 100644
--- a/drivers/char/stallion.c
+++ b/drivers/char/stallion.c
@@ -2302,7 +2302,7 @@ static inline int stl_initeio(stlbrd_t *brdp)
         brdp->nrpanels = 1;
         brdp->state |= BRD_FOUND;
         brdp->hwid = status;
-        if (request_irq(brdp->irq, stl_intr, SA_SHIRQ, name, brdp) != 0) {
+        if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) {
                 printk("STALLION: failed to register interrupt "
                     "routine for %s irq=%d\n", name, brdp->irq);
                 rc = -ENODEV;
@@ -2512,7 +2512,7 @@ static inline int stl_initech(stlbrd_t *brdp)
                 outb((brdp->ioctrlval | ECH_BRDDISABLE), brdp->ioctrl);
 
         brdp->state |= BRD_FOUND;
-        if (request_irq(brdp->irq, stl_intr, SA_SHIRQ, name, brdp) != 0) {
+        if (request_irq(brdp->irq, stl_intr, IRQF_SHARED, name, brdp) != 0) {
                 printk("STALLION: failed to register interrupt "
                     "routine for %s irq=%d\n", name, brdp->irq);
                 i = -ENODEV;
diff --git a/drivers/char/sx.c b/drivers/char/sx.c
index 76b9107f7f81..45c193aa11db 100644
--- a/drivers/char/sx.c
+++ b/drivers/char/sx.c
@@ -1993,7 +1993,7 @@ static int sx_init_board (struct sx_board *board)
                 if(board->irq > 0) {
                         /* fixed irq, probably PCI */
                         if(sx_irqmask & (1 << board->irq)) { /* may we use this irq? */
-                                if(request_irq(board->irq, sx_interrupt, SA_SHIRQ | SA_INTERRUPT, "sx", board)) {
+                                if(request_irq(board->irq, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board)) {
                                         printk(KERN_ERR "sx: Cannot allocate irq %d.\n", board->irq);
                                         board->irq = 0;
                                 }
@@ -2005,7 +2005,7 @@ static int sx_init_board (struct sx_board *board)
                         int irqmask = sx_irqmask & (IS_SX_BOARD(board) ? SX_ISA_IRQ_MASK : SI2_ISA_IRQ_MASK);
                         for(irqnr = 15; irqnr > 0; irqnr--)
                                 if(irqmask & (1 << irqnr))
-                                        if(! request_irq(irqnr, sx_interrupt, SA_SHIRQ | SA_INTERRUPT, "sx", board))
+                                        if(! request_irq(irqnr, sx_interrupt, IRQF_SHARED | IRQF_DISABLED, "sx", board))
                                                 break;
                         if(! irqnr)
                                 printk(KERN_ERR "sx: Cannot allocate IRQ.\n");
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index fee2aca3f6a5..df782dd1098c 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -8150,7 +8150,7 @@ static int __devinit synclink_init_one (struct pci_dev *dev,
                                 
         info->bus_type = MGSL_BUS_TYPE_PCI;
         info->io_addr_size = 8;
-        info->irq_flags = SA_SHIRQ;
+        info->irq_flags = IRQF_SHARED;
 
         if (dev->device == 0x0210) {
                 /* Version 1 PCI9030 based universal PCI adapter */
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index 03edccc8a823..e829594195c1 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -3343,7 +3343,7 @@ static struct slgt_info *alloc_dev(int adapter_num, int port_num, struct pci_dev
                 info->phys_reg_addr = pci_resource_start(pdev,0);
 
                 info->bus_type = MGSL_BUS_TYPE_PCI;
-                info->irq_flags = SA_SHIRQ;
+                info->irq_flags = IRQF_SHARED;
 
                 info->init_error = -1; /* assume error, set to 0 on successful init */
         }
diff --git a/drivers/char/synclinkmp.c b/drivers/char/synclinkmp.c
index ba54df3cf60a..1e443a233f51 100644
--- a/drivers/char/synclinkmp.c
+++ b/drivers/char/synclinkmp.c
@@ -3835,7 +3835,7 @@ static SLMP_INFO *alloc_dev(int adapter_num, int port_num, struct pci_dev *pdev)
                 info->phys_statctrl_base &= ~(PAGE_SIZE-1);
 
                 info->bus_type = MGSL_BUS_TYPE_PCI;
-                info->irq_flags = SA_SHIRQ;
+                info->irq_flags = IRQF_SHARED;
 
                 init_timer(&info->tx_timer);
                 info->tx_timer.data = (unsigned long)info;
diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index dfc4437afefb..952b829e2cb4 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -208,7 +208,7 @@ static int tlclk_open(struct inode *inode, struct file *filp)
         /* This device is wired through the FPGA IO space of the ATCA blade
          * we can't share this IRQ */
         result = request_irq(telclk_interrupt, &tlclk_interrupt,
-                             SA_INTERRUPT, "telco_clock", tlclk_interrupt);
+                             IRQF_DISABLED, "telco_clock", tlclk_interrupt);
         if (result == -EBUSY) {
                 printk(KERN_ERR "tlclk: Interrupt can't be reserved.\n");
                 return -EBUSY;
diff --git a/drivers/char/tpm/tpm_tis.c b/drivers/char/tpm/tpm_tis.c
index 8ea70625f7ea..abb0f2aeae66 100644
--- a/drivers/char/tpm/tpm_tis.c
+++ b/drivers/char/tpm/tpm_tis.c
@@ -522,7 +522,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
                         iowrite8(i, chip->vendor.iobase +
                                     TPM_INT_VECTOR(chip->vendor.locality));
                         if (request_irq
-                            (i, tis_int_probe, SA_SHIRQ,
+                            (i, tis_int_probe, IRQF_SHARED,
                              chip->vendor.miscdev.name, chip) != 0) {
                                 dev_info(chip->dev,
                                          "Unable to request irq: %d for probe\n",
@@ -557,7 +557,7 @@ static int __devinit tpm_tis_pnp_init(struct pnp_dev *pnp_dev,
                          chip->vendor.iobase +
                          TPM_INT_VECTOR(chip->vendor.locality));
                 if (request_irq
-                    (chip->vendor.irq, tis_int_handler, SA_SHIRQ,
+                    (chip->vendor.irq, tis_int_handler, IRQF_SHARED,
                      chip->vendor.miscdev.name, chip) != 0) {
                         dev_info(chip->dev,
                                  "Unable to request irq: %d for use\n",
diff --git a/drivers/char/vme_scc.c b/drivers/char/vme_scc.c
index b17a6e2bbca8..bfe5ea948f6a 100644
--- a/drivers/char/vme_scc.c
+++ b/drivers/char/vme_scc.c
@@ -203,13 +203,13 @@ static int mvme147_scc_init(void)
         port->datap = port->ctrlp + 1;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-A TX", port);
-        request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-A status", port);
-        request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-A RX", port);
-        request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-A special cond", port);
         {
                 SCC_ACCESS_INIT(port);
@@ -230,13 +230,13 @@ static int mvme147_scc_init(void)
         port->datap = port->ctrlp + 1;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-B TX", port);
-        request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-B status", port);
-        request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-B RX", port);
-        request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(MVME147_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-B special cond", port);
         {
                 SCC_ACCESS_INIT(port);
@@ -273,13 +273,13 @@ static int mvme162_scc_init(void)
         port->datap = port->ctrlp + 2;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-A TX", port);
-        request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-A status", port);
-        request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-A RX", port);
-        request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-A special cond", port);
         {
                 SCC_ACCESS_INIT(port);
@@ -300,13 +300,13 @@ static int mvme162_scc_init(void)
         port->datap = port->ctrlp + 2;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-B TX", port);
-        request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-B status", port);
-        request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-B RX", port);
-        request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(MVME162_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-B special cond", port);
 
         {
@@ -341,13 +341,13 @@ static int bvme6000_scc_init(void)
         port->datap = port->ctrlp + 4;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCA_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-A TX", port);
-        request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCA_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-A status", port);
-        request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCA_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-A RX", port);
-        request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCA_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-A special cond", port);
         {
                 SCC_ACCESS_INIT(port);
@@ -368,13 +368,13 @@ static int bvme6000_scc_init(void)
         port->datap = port->ctrlp + 4;
         port->port_a = &scc_ports[0];
         port->port_b = &scc_ports[1];
-        request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCB_TX, scc_tx_int, IRQF_DISABLED,
                             "SCC-B TX", port);
-        request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCB_STAT, scc_stat_int, IRQF_DISABLED,
                             "SCC-B status", port);
-        request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCB_RX, scc_rx_int, IRQF_DISABLED,
                             "SCC-B RX", port);
-        request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int, SA_INTERRUPT,
+        request_irq(BVME_IRQ_SCCB_SPCOND, scc_spcond_int, IRQF_DISABLED,
                             "SCC-B special cond", port);
 
         {
diff --git a/drivers/char/watchdog/eurotechwdt.c b/drivers/char/watchdog/eurotechwdt.c
index e89cda010b49..ea670de4fab7 100644
--- a/drivers/char/watchdog/eurotechwdt.c
+++ b/drivers/char/watchdog/eurotechwdt.c
@@ -420,7 +420,7 @@ static int __init eurwdt_init(void)
                 goto out;
         }
 
-        ret = request_irq(irq, eurwdt_interrupt, SA_INTERRUPT, "eurwdt", NULL);
+        ret = request_irq(irq, eurwdt_interrupt, IRQF_DISABLED, "eurwdt", NULL);
         if(ret) {
                 printk(KERN_ERR "eurwdt: IRQ %d is not free.\n", irq);
                 goto outmisc;
diff --git a/drivers/char/watchdog/mpcore_wdt.c b/drivers/char/watchdog/mpcore_wdt.c
index 9c11d920add5..c2d492c852fc 100644
--- a/drivers/char/watchdog/mpcore_wdt.c
+++ b/drivers/char/watchdog/mpcore_wdt.c
@@ -355,7 +355,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
                 goto err_misc;
         }
 
-        ret = request_irq(wdt->irq, mpcore_wdt_fire, SA_INTERRUPT, "mpcore_wdt", wdt);
+        ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED, "mpcore_wdt", wdt);
         if (ret) {
                 dev_printk(KERN_ERR, _dev, "cannot register IRQ%d for watchdog\n", wdt->irq);
                 goto err_irq;
diff --git a/drivers/char/watchdog/wdt.c b/drivers/char/watchdog/wdt.c
index 2586e9e858e2..a1d972c8f44c 100644
--- a/drivers/char/watchdog/wdt.c
+++ b/drivers/char/watchdog/wdt.c
@@ -580,7 +580,7 @@ static int __init wdt_init(void)
                 goto out;
         }
 
-        ret = request_irq(irq, wdt_interrupt, SA_INTERRUPT, "wdt501p", NULL);
+        ret = request_irq(irq, wdt_interrupt, IRQF_DISABLED, "wdt501p", NULL);
         if(ret) {
                 printk(KERN_ERR "wdt: IRQ %d is not free.\n", irq);
                 goto outreg;
diff --git a/drivers/char/watchdog/wdt_pci.c b/drivers/char/watchdog/wdt_pci.c
index c79cc9543d96..7529ecdbabae 100644
--- a/drivers/char/watchdog/wdt_pci.c
+++ b/drivers/char/watchdog/wdt_pci.c
@@ -617,7 +617,7 @@ static int __devinit wdtpci_init_one (struct pci_dev *dev,
                 goto out_pci;
         }
 
-        if (request_irq (irq, wdtpci_interrupt, SA_INTERRUPT | SA_SHIRQ,
+        if (request_irq (irq, wdtpci_interrupt, IRQF_DISABLED | IRQF_SHARED,
                          "wdt_pci", &wdtpci_miscdev)) {
                 printk (KERN_ERR PFX "IRQ %d is not free\n", irq);
                 goto out_reg;
diff --git a/drivers/dma/ioatdma.c b/drivers/dma/ioatdma.c
index 2801d14a5e42..ecad8f65d2d4 100644
--- a/drivers/dma/ioatdma.c
+++ b/drivers/dma/ioatdma.c
@@ -739,7 +739,7 @@ static int __devinit ioat_probe(struct pci_dev *pdev,
                 device->msi = 0;
         }
 #endif
-        err = request_irq(pdev->irq, &ioat_do_interrupt, SA_SHIRQ, "ioat",
+        err = request_irq(pdev->irq, &ioat_do_interrupt, IRQF_SHARED, "ioat",
                 device);
         if (err)
                 goto err_irq;
diff --git a/drivers/edac/amd76x_edac.c b/drivers/edac/amd76x_edac.c
index d75864e35fef..f79f6b587bfa 100644
--- a/drivers/edac/amd76x_edac.c
+++ b/drivers/edac/amd76x_edac.c
@@ -19,8 +19,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define AMD76X_REVISION " Ver: 2.0.0 "  __DATE__
-
+#define AMD76X_REVISION " Ver: 2.0.1 "  __DATE__
+#define EDAC_MOD_STR    "amd76x_edac"
 
 #define amd76x_printk(level, fmt, arg...) \
         edac_printk(level, "amd76x", fmt, ##arg)
diff --git a/drivers/edac/e752x_edac.c b/drivers/edac/e752x_edac.c
index 815c3eb783de..c82bc0ed7f14 100644
--- a/drivers/edac/e752x_edac.c
+++ b/drivers/edac/e752x_edac.c
@@ -24,7 +24,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define E752X_REVISION  " Ver: 2.0.0 " __DATE__
+#define E752X_REVISION  " Ver: 2.0.1 " __DATE__
+#define EDAC_MOD_STR    "e752x_edac"
 
 static int force_function_unhide;
 
diff --git a/drivers/edac/e7xxx_edac.c b/drivers/edac/e7xxx_edac.c
index 5a5ecd5a0409..310d91b41c96 100644
--- a/drivers/edac/e7xxx_edac.c
+++ b/drivers/edac/e7xxx_edac.c
@@ -29,7 +29,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define E7XXX_REVISION " Ver: 2.0.0 " __DATE__
+#define E7XXX_REVISION " Ver: 2.0.1 " __DATE__
+#define EDAC_MOD_STR    "e7xxx_edac"
 
 #define e7xxx_printk(level, fmt, arg...) \
         edac_printk(level, "e7xxx", fmt, ##arg)
diff --git a/drivers/edac/edac_mc.h b/drivers/edac/edac_mc.h
index 1be4947e28af..bf6ab8a8d5ed 100644
--- a/drivers/edac/edac_mc.h
+++ b/drivers/edac/edac_mc.h
@@ -78,10 +78,6 @@ extern int edac_debug_level;
 
 #endif  /* !CONFIG_EDAC_DEBUG */
 
-#define edac_xstr(s) edac_str(s)
-#define edac_str(s) #s
-#define EDAC_MOD_STR edac_xstr(KBUILD_BASENAME)
-
 #define BIT(x) (1 << (x))
 
 #define PCI_VEND_DEV(vend, dev) PCI_VENDOR_ID_ ## vend, \
diff --git a/drivers/edac/i82860_edac.c b/drivers/edac/i82860_edac.c
index e30a4a2eaf38..e4bb298e613f 100644
--- a/drivers/edac/i82860_edac.c
+++ b/drivers/edac/i82860_edac.c
@@ -16,7 +16,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define  I82860_REVISION " Ver: 2.0.0 " __DATE__
+#define  I82860_REVISION " Ver: 2.0.1 " __DATE__
+#define EDAC_MOD_STR    "i82860_edac"
 
 #define i82860_printk(level, fmt, arg...) \
         edac_printk(level, "i82860", fmt, ##arg)
diff --git a/drivers/edac/i82875p_edac.c b/drivers/edac/i82875p_edac.c
index 9423ee5e7edd..161fe09a6d38 100644
--- a/drivers/edac/i82875p_edac.c
+++ b/drivers/edac/i82875p_edac.c
@@ -20,7 +20,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define I82875P_REVISION        " Ver: 2.0.0 " __DATE__
+#define I82875P_REVISION        " Ver: 2.0.1 " __DATE__
+#define EDAC_MOD_STR            "i82875p_edac"
 
 #define i82875p_printk(level, fmt, arg...) \
         edac_printk(level, "i82875p", fmt, ##arg)
diff --git a/drivers/edac/r82600_edac.c b/drivers/edac/r82600_edac.c
index a0e248d11ed9..a49cf0a39398 100644
--- a/drivers/edac/r82600_edac.c
+++ b/drivers/edac/r82600_edac.c
@@ -22,7 +22,8 @@
 #include <linux/slab.h>
 #include "edac_mc.h"
 
-#define R82600_REVISION " Ver: 2.0.0 " __DATE__
+#define R82600_REVISION " Ver: 2.0.1 " __DATE__
+#define EDAC_MOD_STR    "r82600_edac"
 
 #define r82600_printk(level, fmt, arg...) \
         edac_printk(level, "r82600", fmt, ##arg)
diff --git a/drivers/fc4/soc.c b/drivers/fc4/soc.c
index cf8768b8d1f1..3b07e0ca81cd 100644
--- a/drivers/fc4/soc.c
+++ b/drivers/fc4/soc.c
@@ -637,7 +637,7 @@ static inline void soc_init(struct sbus_dev *sdev, int no)
         
         irq = sdev->irqs[0];
 
-        if (request_irq (irq, soc_intr, SA_SHIRQ, "SOC", (void *)s)) {
+        if (request_irq (irq, soc_intr, IRQF_SHARED, "SOC", (void *)s)) {
                 soc_printk ("Cannot order irq %d to go\n", irq);
                 socs = s->next;
                 return;
diff --git a/drivers/fc4/socal.c b/drivers/fc4/socal.c
index f52d1e5bd5a5..2b75edc5859d 100644
--- a/drivers/fc4/socal.c
+++ b/drivers/fc4/socal.c
@@ -761,7 +761,7 @@ static inline void socal_init(struct sbus_dev *sdev, int no)
         
         irq = sdev->irqs[0];
 
-        if (request_irq (irq, socal_intr, SA_SHIRQ, "SOCAL", (void *)s)) {
+        if (request_irq (irq, socal_intr, IRQF_SHARED, "SOCAL", (void *)s)) {
                 socal_printk ("Cannot order irq %d to go\n", irq);
                 socals = s->next;
                 return;
diff --git a/drivers/i2c/busses/i2c-mpc.c b/drivers/i2c/busses/i2c-mpc.c
index de93601de178..377ab40944b8 100644
--- a/drivers/i2c/busses/i2c-mpc.c
+++ b/drivers/i2c/busses/i2c-mpc.c
@@ -318,7 +318,7 @@ static int fsl_i2c_probe(struct platform_device *pdev)
 
         if (i2c->irq != 0)
                 if ((result = request_irq(i2c->irq, mpc_i2c_isr,
-                                          SA_SHIRQ, "i2c-mpc", i2c)) < 0) {
+                                          IRQF_SHARED, "i2c-mpc", i2c)) < 0) {
                         printk(KERN_ERR
                                "i2c-mpc - failed to attach interrupt\n");
                         goto fail_irq;
diff --git a/drivers/i2c/busses/i2c-pxa.c b/drivers/i2c/busses/i2c-pxa.c
index 5155010b455e..ee114b48face 100644
--- a/drivers/i2c/busses/i2c-pxa.c
+++ b/drivers/i2c/busses/i2c-pxa.c
@@ -968,7 +968,7 @@ static int i2c_pxa_probe(struct platform_device *dev)
 #endif
 
         pxa_set_cken(CKEN14_I2C, 1);
-        ret = request_irq(IRQ_I2C, i2c_pxa_handler, SA_INTERRUPT,
+        ret = request_irq(IRQ_I2C, i2c_pxa_handler, IRQF_DISABLED,
                           "pxa2xx-i2c", i2c);
         if (ret)
                 goto out;
diff --git a/drivers/i2c/busses/i2c-s3c2410.c b/drivers/i2c/busses/i2c-s3c2410.c
index 512b8791c328..5d2950e91fc5 100644
--- a/drivers/i2c/busses/i2c-s3c2410.c
+++ b/drivers/i2c/busses/i2c-s3c2410.c
@@ -828,7 +828,7 @@ static int s3c24xx_i2c_probe(struct platform_device *pdev)
                 goto out;
         }
 
-        ret = request_irq(res->start, s3c24xx_i2c_irq, SA_INTERRUPT,
+        ret = request_irq(res->start, s3c24xx_i2c_irq, IRQF_DISABLED,
                           pdev->name, i2c);
 
         if (ret != 0) {
diff --git a/drivers/i2c/chips/isp1301_omap.c b/drivers/i2c/chips/isp1301_omap.c
index b638ac6e59f4..f92505b94c61 100644
--- a/drivers/i2c/chips/isp1301_omap.c
+++ b/drivers/i2c/chips/isp1301_omap.c
@@ -908,7 +908,7 @@ static int otg_bind(struct isp1301 *isp)
 
         if (otg_dev)
                 status = request_irq(otg_dev->resource[1].start, omap_otg_irq,
-                                SA_INTERRUPT, DRIVER_NAME, isp);
+                                IRQF_DISABLED, DRIVER_NAME, isp);
         else
                 status = -ENODEV;
 
@@ -1578,7 +1578,7 @@ fail1:
         }
 
         status = request_irq(isp->irq, isp1301_irq,
-                        SA_SAMPLE_RANDOM, DRIVER_NAME, isp);
+                        IRQF_SAMPLE_RANDOM, DRIVER_NAME, isp);
         if (status < 0) {
                 dev_dbg(&i2c->dev, "can't get IRQ %d, err %d\n",
                                 isp->irq, status);
diff --git a/drivers/i2c/chips/tps65010.c b/drivers/i2c/chips/tps65010.c
index e27ee12245d3..e7e27049fbfa 100644
--- a/drivers/i2c/chips/tps65010.c
+++ b/drivers/i2c/chips/tps65010.c
@@ -521,14 +521,14 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
         }
 
 #ifdef  CONFIG_ARM
-        irqflags = SA_SAMPLE_RANDOM | SA_TRIGGER_LOW;
+        irqflags = IRQF_SAMPLE_RANDOM | IRQF_TRIGGER_LOW;
         if (machine_is_omap_h2()) {
                 tps->model = TPS65010;
                 omap_cfg_reg(W4_GPIO58);
                 tps->irq = OMAP_GPIO_IRQ(58);
                 omap_request_gpio(58);
                 omap_set_gpio_direction(58, 1);
-                irqflags |= SA_TRIGGER_FALLING;
+                irqflags |= IRQF_TRIGGER_FALLING;
         }
         if (machine_is_omap_osk()) {
                 tps->model = TPS65010;
@@ -536,7 +536,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
                 tps->irq = OMAP_GPIO_IRQ(OMAP_MPUIO(1));
                 omap_request_gpio(OMAP_MPUIO(1));
                 omap_set_gpio_direction(OMAP_MPUIO(1), 1);
-                irqflags |= SA_TRIGGER_FALLING;
+                irqflags |= IRQF_TRIGGER_FALLING;
         }
         if (machine_is_omap_h3()) {
                 tps->model = TPS65013;
@@ -544,7 +544,7 @@ tps65010_probe(struct i2c_adapter *bus, int address, int kind)
                 // FIXME set up this board's IRQ ...
         }
 #else
-        irqflags = SA_SAMPLE_RANDOM;
+        irqflags = IRQF_SAMPLE_RANDOM;
 #endif
 
         if (tps->irq > 0) {
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index c5f71ac28d14..9cadf0106c6c 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -1004,7 +1004,7 @@ static int ide_init_queue(ide_drive_t *drive)
  * and irq serialization situations.  This is somewhat complex because
  * it handles static as well as dynamic (PCMCIA) IDE interfaces.
  *
- * The SA_INTERRUPT in sa_flags means ide_intr() is always entered with
+ * The IRQF_DISABLED in sa_flags means ide_intr() is always entered with
  * interrupts completely disabled.  This can be bad for interrupt latency,
  * but anything else has led to problems on some machines.  We re-enable
  * interrupts as much as we can safely do in most places.
@@ -1090,15 +1090,15 @@ static int init_irq (ide_hwif_t *hwif)
          * Allocate the irq, if not already obtained for another hwif
          */
         if (!match || match->irq != hwif->irq) {
-                int sa = SA_INTERRUPT;
+                int sa = IRQF_DISABLED;
 #if defined(__mc68000__) || defined(CONFIG_APUS)
-                sa = SA_SHIRQ;
+                sa = IRQF_SHARED;
 #endif /* __mc68000__ || CONFIG_APUS */
 
                 if (IDE_CHIPSET_IS_PCI(hwif->chipset)) {
-                        sa = SA_SHIRQ;
+                        sa = IRQF_SHARED;
 #ifndef CONFIG_IDEPCI_SHARE_IRQ
-                        sa |= SA_INTERRUPT;
+                        sa |= IRQF_DISABLED;
 #endif /* CONFIG_IDEPCI_SHARE_IRQ */
                 }
 
diff --git a/drivers/ide/legacy/hd.c b/drivers/ide/legacy/hd.c
index 6439dec66881..aebecd8f51cc 100644
--- a/drivers/ide/legacy/hd.c
+++ b/drivers/ide/legacy/hd.c
@@ -691,7 +691,7 @@ static struct block_device_operations hd_fops = {
 };
 
 /*
- * This is the hard disk IRQ description. The SA_INTERRUPT in sa_flags
+ * This is the hard disk IRQ description. The IRQF_DISABLED in sa_flags
  * means we run the IRQ-handler with interrupts disabled:  this is bad for
  * interrupt latency, but anything else has led to problems on some
  * machines.
@@ -806,7 +806,7 @@ static int __init hd_init(void)
                         p->cyl, p->head, p->sect);
         }
 
-        if (request_irq(HD_IRQ, hd_interrupt, SA_INTERRUPT, "hd", NULL)) {
+        if (request_irq(HD_IRQ, hd_interrupt, IRQF_DISABLED, "hd", NULL)) {
                 printk("hd: unable to get IRQ%d for the hard disk driver\n",
                         HD_IRQ);
                 goto out1;
diff --git a/drivers/ide/pci/it821x.c b/drivers/ide/pci/it821x.c
index 7fb3635683dc..3cb04424d351 100644
--- a/drivers/ide/pci/it821x.c
+++ b/drivers/ide/pci/it821x.c
@@ -650,6 +650,8 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
         }
         ide_set_hwifdata(hwif, idev);
 
+        hwif->atapi_dma = 1;
+
         pci_read_config_byte(hwif->pci_dev, 0x50, &conf);
         if(conf & 1) {
                 idev->smart = 1;
diff --git a/drivers/ieee1394/ohci1394.c b/drivers/ieee1394/ohci1394.c
index 8de81ecd3ba6..d4bad6704bbe 100644
--- a/drivers/ieee1394/ohci1394.c
+++ b/drivers/ieee1394/ohci1394.c
@@ -3392,12 +3392,12 @@ static int __devinit ohci1394_pci_probe(struct pci_dev *dev,
         spin_lock_init(&ohci->event_lock);
 
         /*
-         * interrupts are disabled, all right, but... due to SA_SHIRQ we
+         * interrupts are disabled, all right, but... due to IRQF_SHARED we
          * might get called anyway.  We'll see no event, of course, but
          * we need to get to that "no event", so enough should be initialized
          * by that point.
          */
-        if (request_irq(dev->irq, ohci_irq_handler, SA_SHIRQ,
+        if (request_irq(dev->irq, ohci_irq_handler, IRQF_SHARED,
                          OHCI1394_DRIVER_NAME, ohci))
                 FAIL(-ENOMEM, "Failed to allocate shared interrupt %d", dev->irq);
 
diff --git a/drivers/ieee1394/pcilynx.c b/drivers/ieee1394/pcilynx.c
index 5b48f6ac5c7f..e6f41238f5e8 100644
--- a/drivers/ieee1394/pcilynx.c
+++ b/drivers/ieee1394/pcilynx.c
@@ -1253,7 +1253,7 @@ static int __devinit add_card(struct pci_dev *dev,
 
         sprintf (irq_buf, "%d", dev->irq);
 
-        if (!request_irq(dev->irq, lynx_irq_handler, SA_SHIRQ,
+        if (!request_irq(dev->irq, lynx_irq_handler, IRQF_SHARED,
                          PCILYNX_DRIVER_NAME, lynx)) {
                 PRINT(KERN_INFO, lynx->id, "allocated interrupt %s", irq_buf);
                 lynx->state = have_intr;
diff --git a/drivers/infiniband/hw/ipath/Kconfig b/drivers/infiniband/hw/ipath/Kconfig
index 9ea67c409b6d..1db9489f1e82 100644
--- a/drivers/infiniband/hw/ipath/Kconfig
+++ b/drivers/infiniband/hw/ipath/Kconfig
@@ -1,16 +1,16 @@
 config IPATH_CORE
-        tristate "PathScale InfiniPath Driver"
+        tristate "QLogic InfiniPath Driver"
         depends on 64BIT && PCI_MSI && NET
         ---help---
-        This is a low-level driver for PathScale InfiniPath host channel
+        This is a low-level driver for QLogic InfiniPath host channel
         adapters (HCAs) based on the HT-400 and PE-800 chips.
 
 config INFINIBAND_IPATH
-        tristate "PathScale InfiniPath Verbs Driver"
+        tristate "QLogic InfiniPath Verbs Driver"
         depends on IPATH_CORE && INFINIBAND
         ---help---
         This is a driver that provides InfiniBand verbs support for
-        PathScale InfiniPath host channel adapters (HCAs).  This
+        QLogic InfiniPath host channel adapters (HCAs).  This
         allows these devices to be used with both kernel upper level
         protocols such as IP-over-InfiniBand as well as with userspace
         applications (in conjunction with InfiniBand userspace access).
diff --git a/drivers/infiniband/hw/ipath/Makefile b/drivers/infiniband/hw/ipath/Makefile
index b4d084abfd22..b0bf72864130 100644
--- a/drivers/infiniband/hw/ipath/Makefile
+++ b/drivers/infiniband/hw/ipath/Makefile
@@ -1,4 +1,4 @@
-EXTRA_CFLAGS += -DIPATH_IDSTR='"PathScale kernel.org driver"' \
+EXTRA_CFLAGS += -DIPATH_IDSTR='"QLogic kernel.org driver"' \
         -DIPATH_KERN_TYPE=0
 
 obj-$(CONFIG_IPATH_CORE) += ipath_core.o
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 48a55247b832..062bd392e7e5 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -38,7 +39,8 @@
  * to communicate between kernel and user code.
  */
 
-/* This is the IEEE-assigned OUI for PathScale, Inc. */
+
+/* This is the IEEE-assigned OUI for QLogic Inc. InfiniPath */
 #define IPATH_SRC_OUI_1 0x00
 #define IPATH_SRC_OUI_2 0x11
 #define IPATH_SRC_OUI_3 0x75
@@ -96,8 +98,8 @@ struct infinipath_stats {
         __u64 sps_hwerrs;
         /* number of times IB link changed state unexpectedly */
         __u64 sps_iblink;
-        /* no longer used; left for compatibility */
-        __u64 sps_unused3;
+        /* kernel receive interrupts that didn't read intstat */
+        __u64 sps_fastrcvint;
         /* number of kernel (port0) packets received */
         __u64 sps_port0pkts;
         /* number of "ethernet" packets sent by driver */
@@ -121,8 +123,7 @@ struct infinipath_stats {
         __u64 sps_ports;
         /* list of pkeys (other than default) accepted (0 means not set) */
         __u16 sps_pkeys[4];
-        /* lids for up to 4 infinipaths, indexed by infinipath # */
-        __u16 sps_lid[4];
+        __u16 sps_unused16[4]; /* available; maintaining compatible layout */
         /* number of user ports per chip (not IB ports) */
         __u32 sps_nports;
         /* not our interrupt, or already handled */
@@ -140,10 +141,8 @@ struct infinipath_stats {
          * packets if ipath not configured, sma/mad, etc.)
          */
         __u64 sps_krdrops;
-        /* mlids for up to 4 infinipaths, indexed by infinipath # */
-        __u16 sps_mlid[4];
         /* pad for future growth */
-        __u64 __sps_pad[45];
+        __u64 __sps_pad[46];
 };
 
 /*
@@ -310,6 +309,9 @@ struct ipath_base_info {
         __u32 spi_rcv_egrchunksize;
         /* total size of mmap to cover full rcvegrbuffers */
         __u32 spi_rcv_egrbuftotlen;
+        __u32 spi_filler_for_align;
+        /* address of readonly memory copy of the rcvhdrq tail register. */
+        __u64 spi_rcvhdr_tailaddr;
 } __attribute__ ((aligned(8)));
 
 
@@ -342,9 +344,9 @@ struct ipath_base_info {
 /*
  * Similarly, this is the kernel version going back to the user.  It's
  * slightly different, in that we want to tell if the driver was built as
- * part of a PathScale release, or from the driver from OpenIB, kernel.org,
- * or a standard distribution, for support reasons.  The high bit is 0 for
- * non-PathScale, and 1 for PathScale-built/supplied.
+ * part of a QLogic release, or from the driver from openfabrics.org,
+ * kernel.org, or a standard distribution, for support reasons.
+ * The high bit is 0 for non-QLogic and 1 for QLogic-built/supplied.
  *
  * It's returned by the driver to the user code during initialization in the
  * spi_sw_version field of ipath_base_info, so the user code can in turn
@@ -379,13 +381,7 @@ struct ipath_user_info {
          */
         __u32 spu_rcvhdrsize;
 
-        /*
-         * cache line aligned (64 byte) user address to
-         * which the rcvhdrtail register will be written by infinipath
-         * whenever it changes, so that no chip registers are read in
-         * the performance path.
-         */
-        __u64 spu_rcvhdraddr;
+        __u64 spu_unused; /* kept for compatible layout */
 
         /*
          * address of struct base_info to write to
@@ -481,7 +477,7 @@ struct ipath_sma_pkt
  * Data layout in I2C flash (for GUID, etc.)
  * All fields are little-endian binary unless otherwise stated
  */
-#define IPATH_FLASH_VERSION 1
+#define IPATH_FLASH_VERSION 2
 struct ipath_flash {
         /* flash layout version (IPATH_FLASH_VERSION) */
         __u8 if_fversion;
@@ -489,14 +485,14 @@ struct ipath_flash {
         __u8 if_csum;
         /*
          * valid length (in use, protected by if_csum), including
-         * if_fversion and if_sum themselves)
+         * if_fversion and if_csum themselves)
          */
         __u8 if_length;
         /* the GUID, in network order */
         __u8 if_guid[8];
         /* number of GUIDs to use, starting from if_guid */
         __u8 if_numguid;
-        /* the board serial number, in ASCII */
+        /* the (last 10 characters of) board serial number, in ASCII */
         char if_serial[12];
         /* board mfg date (YYYYMMDD ASCII) */
         char if_mfgdate[8];
@@ -508,8 +504,10 @@ struct ipath_flash {
         __u8 if_powerhour[2];
         /* ASCII free-form comment field */
         char if_comment[32];
-        /* 78 bytes used, min flash size is 128 bytes */
-        __u8 if_future[50];
+        /* Backwards compatible prefix for longer QLogic Serial Numbers */
+        char if_sprefix[4];
+        /* 82 bytes used, min flash size is 128 bytes */
+        __u8 if_future[46];
 };
 
 /*
@@ -603,14 +601,118 @@ struct infinipath_counters {
 #define INFINIPATH_KPF_INTR 0x1
 
 /* SendPIO per-buffer control */
-#define INFINIPATH_SP_LENGTHP1_MASK 0x3FF
-#define INFINIPATH_SP_LENGTHP1_SHIFT 0
-#define INFINIPATH_SP_INTR    0x80000000
-#define INFINIPATH_SP_TEST    0x40000000
-#define INFINIPATH_SP_TESTEBP 0x20000000
+#define INFINIPATH_SP_TEST    0x40
+#define INFINIPATH_SP_TESTEBP 0x20
 
 /* SendPIOAvail bits */
 #define INFINIPATH_SENDPIOAVAIL_BUSY_SHIFT 1
 #define INFINIPATH_SENDPIOAVAIL_CHECK_SHIFT 0
 
+/* infinipath header format */
+struct ipath_header {
+        /*
+         * Version - 4 bits, Port - 4 bits, TID - 10 bits and Offset -
+         * 14 bits before ECO change ~28 Dec 03.  After that, Vers 4,
+         * Port 3, TID 11, offset 14.
+         */
+        __le32 ver_port_tid_offset;
+        __le16 chksum;
+        __le16 pkt_flags;
+};
+
+/* infinipath user message header format.
+ * This structure contains the first 4 fields common to all protocols
+ * that employ infinipath.
+ */
+struct ipath_message_header {
+        __be16 lrh[4];
+        __be32 bth[3];
+        /* fields below this point are in host byte order */
+        struct ipath_header iph;
+        __u8 sub_opcode;
+};
+
+/* infinipath ethernet header format */
+struct ether_header {
+        __be16 lrh[4];
+        __be32 bth[3];
+        struct ipath_header iph;
+        __u8 sub_opcode;
+        __u8 cmd;
+        __be16 lid;
+        __u16 mac[3];
+        __u8 frag_num;
+        __u8 seq_num;
+        __le32 len;
+        /* MUST be of word size due to PIO write requirements */
+        __le32 csum;
+        __le16 csum_offset;
+        __le16 flags;
+        __u16 first_2_bytes;
+        __u8 unused[2];         /* currently unused */
+};
+
+
+/* IB - LRH header consts */
+#define IPATH_LRH_GRH 0x0003    /* 1. word of IB LRH - next header: GRH */
+#define IPATH_LRH_BTH 0x0002    /* 1. word of IB LRH - next header: BTH */
+
+/* misc. */
+#define SIZE_OF_CRC 1
+
+#define IPATH_DEFAULT_P_KEY 0xFFFF
+#define IPATH_PERMISSIVE_LID 0xFFFF
+#define IPATH_AETH_CREDIT_SHIFT 24
+#define IPATH_AETH_CREDIT_MASK 0x1F
+#define IPATH_AETH_CREDIT_INVAL 0x1F
+#define IPATH_PSN_MASK 0xFFFFFF
+#define IPATH_MSN_MASK 0xFFFFFF
+#define IPATH_QPN_MASK 0xFFFFFF
+#define IPATH_MULTICAST_LID_BASE 0xC000
+#define IPATH_MULTICAST_QPN 0xFFFFFF
+
+/* Receive Header Queue: receive type (from infinipath) */
+#define RCVHQ_RCV_TYPE_EXPECTED  0
+#define RCVHQ_RCV_TYPE_EAGER     1
+#define RCVHQ_RCV_TYPE_NON_KD    2
+#define RCVHQ_RCV_TYPE_ERROR     3
+
+
+/* sub OpCodes - ith4x  */
+#define IPATH_ITH4X_OPCODE_ENCAP 0x81
+#define IPATH_ITH4X_OPCODE_LID_ARP 0x82
+
+#define IPATH_HEADER_QUEUE_WORDS 9
+
+/* functions for extracting fields from rcvhdrq entries for the driver.
+ */
+static inline __u32 ipath_hdrget_err_flags(const __le32 * rbuf)
+{
+        return __le32_to_cpu(rbuf[1]);
+}
+
+static inline __u32 ipath_hdrget_rcv_type(const __le32 * rbuf)
+{
+        return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_RCVTYPE_SHIFT)
+            & INFINIPATH_RHF_RCVTYPE_MASK;
+}
+
+static inline __u32 ipath_hdrget_length_in_bytes(const __le32 * rbuf)
+{
+        return ((__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_LENGTH_SHIFT)
+                & INFINIPATH_RHF_LENGTH_MASK) << 2;
+}
+
+static inline __u32 ipath_hdrget_index(const __le32 * rbuf)
+{
+        return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_EGRINDEX_SHIFT)
+            & INFINIPATH_RHF_EGRINDEX_MASK;
+}
+
+static inline __u32 ipath_hdrget_ipath_ver(__le32 hdrword)
+{
+        return (__le32_to_cpu(hdrword) >> INFINIPATH_I_VERS_SHIFT)
+            & INFINIPATH_I_VERS_MASK;
+}
+
 #endif                          /* _IPATH_COMMON_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_cq.c b/drivers/infiniband/hw/ipath/ipath_cq.c
index 7ece1135ddfe..3efee341c9bc 100644
--- a/drivers/infiniband/hw/ipath/ipath_cq.c
+++ b/drivers/infiniband/hw/ipath/ipath_cq.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -157,10 +158,21 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
                               struct ib_ucontext *context,
                               struct ib_udata *udata)
 {
+        struct ipath_ibdev *dev = to_idev(ibdev);
         struct ipath_cq *cq;
         struct ib_wc *wc;
         struct ib_cq *ret;
 
+        if (entries > ib_ipath_max_cqes) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
+        if (dev->n_cqs_allocated == ib_ipath_max_cqs) {
+                ret = ERR_PTR(-ENOMEM);
+                goto bail;
+        }
+
         /*
          * Need to use vmalloc() if we want to support large #s of
          * entries.
@@ -196,6 +208,8 @@ struct ib_cq *ipath_create_cq(struct ib_device *ibdev, int entries,
 
         ret = &cq->ibcq;
 
+        dev->n_cqs_allocated++;
+
 bail:
         return ret;
 }
@@ -210,9 +224,11 @@ bail:
  */
 int ipath_destroy_cq(struct ib_cq *ibcq)
 {
+        struct ipath_ibdev *dev = to_idev(ibcq->device);
         struct ipath_cq *cq = to_icq(ibcq);
 
         tasklet_kill(&cq->comptask);
+        dev->n_cqs_allocated--;
         vfree(cq->queue);
         kfree(cq);
 
diff --git a/drivers/infiniband/hw/ipath/ipath_debug.h b/drivers/infiniband/hw/ipath/ipath_debug.h
index 46762387f5f8..f415beda0d32 100644
--- a/drivers/infiniband/hw/ipath/ipath_debug.h
+++ b/drivers/infiniband/hw/ipath/ipath_debug.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/hw/ipath/ipath_diag.c b/drivers/infiniband/hw/ipath/ipath_diag.c
index 28ddceb260e8..147dd89e21c9 100644
--- a/drivers/infiniband/hw/ipath/ipath_diag.c
+++ b/drivers/infiniband/hw/ipath/ipath_diag.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -43,10 +44,9 @@
 #include <linux/pci.h>
 #include <asm/uaccess.h>
 
-#include "ipath_common.h"
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
 int ipath_diag_inuse;
 static int diag_set_link;
@@ -66,18 +66,20 @@ static struct file_operations diag_file_ops = {
         .release = ipath_diag_release
 };
 
-static struct cdev *diag_cdev;
-static struct class_device *diag_class_dev;
-
-int ipath_diag_init(void)
+int ipath_diag_add(struct ipath_devdata *dd)
 {
-        return ipath_cdev_init(IPATH_DIAG_MINOR, "ipath_diag",
-                               &diag_file_ops, &diag_cdev, &diag_class_dev);
+        char name[16];
+
+        snprintf(name, sizeof(name), "ipath_diag%d", dd->ipath_unit);
+
+        return ipath_cdev_init(IPATH_DIAG_MINOR_BASE + dd->ipath_unit, name,
+                               &diag_file_ops, &dd->diag_cdev,
+                               &dd->diag_class_dev);
 }
 
-void ipath_diag_cleanup(void)
+void ipath_diag_remove(struct ipath_devdata *dd)
 {
-        ipath_cdev_cleanup(&diag_cdev, &diag_class_dev);
+        ipath_cdev_cleanup(&dd->diag_cdev, &dd->diag_class_dev);
 }
 
 /**
@@ -101,8 +103,7 @@ static int ipath_read_umem64(struct ipath_devdata *dd, void __user *uaddr,
         int ret;
 
         /* not very efficient, but it works for now */
-        if (reg_addr < dd->ipath_kregbase ||
-            reg_end > dd->ipath_kregend) {
+        if (reg_addr < dd->ipath_kregbase || reg_end > dd->ipath_kregend) {
                 ret = -EINVAL;
                 goto bail;
         }
@@ -113,7 +114,7 @@ static int ipath_read_umem64(struct ipath_devdata *dd, void __user *uaddr,
                         goto bail;
                 }
                 reg_addr++;
-                uaddr++;
+                uaddr += sizeof(u64);
         }
         ret = 0;
 bail:
@@ -139,8 +140,7 @@ static int ipath_write_umem64(struct ipath_devdata *dd, void __iomem *caddr,
         int ret;
 
         /* not very efficient, but it works for now */
-        if (reg_addr < dd->ipath_kregbase ||
-            reg_end > dd->ipath_kregend) {
+        if (reg_addr < dd->ipath_kregbase || reg_end > dd->ipath_kregend) {
                 ret = -EINVAL;
                 goto bail;
         }
@@ -153,7 +153,7 @@ static int ipath_write_umem64(struct ipath_devdata *dd, void __iomem *caddr,
                 writeq(data, reg_addr);
 
                 reg_addr++;
-                uaddr++;
+                uaddr += sizeof(u64);
         }
         ret = 0;
 bail:
@@ -191,7 +191,8 @@ static int ipath_read_umem32(struct ipath_devdata *dd, void __user *uaddr,
                 }
 
                 reg_addr++;
-                uaddr++;
+                uaddr += sizeof(u32);
+
         }
         ret = 0;
 bail:
@@ -230,7 +231,7 @@ static int ipath_write_umem32(struct ipath_devdata *dd, void __iomem *caddr,
                 writel(data, reg_addr);
 
                 reg_addr++;
-                uaddr++;
+                uaddr += sizeof(u32);
         }
         ret = 0;
 bail:
@@ -239,59 +240,45 @@ bail:
 
 static int ipath_diag_open(struct inode *in, struct file *fp)
 {
+        int unit = iminor(in) - IPATH_DIAG_MINOR_BASE;
         struct ipath_devdata *dd;
-        int unit = 0; /* XXX this is bogus */
-        unsigned long flags;
         int ret;
 
-        dd = ipath_lookup(unit);
-
         mutex_lock(&ipath_mutex);
-        spin_lock_irqsave(&ipath_devs_lock, flags);
 
         if (ipath_diag_inuse) {
                 ret = -EBUSY;
                 goto bail;
         }
 
-        list_for_each_entry(dd, &ipath_dev_list, ipath_list) {
-                /*
-                 * we need at least one infinipath device to be present
-                 * (don't use INITTED, because we want to be able to open
-                 * even if device is in freeze mode, which cleared INITTED).
-                 * There is a small amount of risk to this, which is why we
-                 * also verify kregbase is set.
-                 */
-
-                if (!(dd->ipath_flags & IPATH_PRESENT) ||
-                    !dd->ipath_kregbase)
-                        continue;
-
-                ipath_diag_inuse = 1;
-                diag_set_link = 0;
-                ret = 0;
+        dd = ipath_lookup(unit);
+
+        if (dd == NULL || !(dd->ipath_flags & IPATH_PRESENT) ||
+            !dd->ipath_kregbase) {
+                ret = -ENODEV;
                 goto bail;
         }
 
-        ret = -ENODEV;
-
-bail:
-        spin_unlock_irqrestore(&ipath_devs_lock, flags);
+        fp->private_data = dd;
+        ipath_diag_inuse = 1;
+        diag_set_link = 0;
+        ret = 0;
 
         /* Only expose a way to reset the device if we
            make it into diag mode. */
-        if (ret == 0)
-                ipath_expose_reset(&dd->pcidev->dev);
+        ipath_expose_reset(&dd->pcidev->dev);
 
+bail:
         mutex_unlock(&ipath_mutex);
 
         return ret;
 }
 
-static int ipath_diag_release(struct inode *i, struct file *f)
+static int ipath_diag_release(struct inode *in, struct file *fp)
 {
         mutex_lock(&ipath_mutex);
         ipath_diag_inuse = 0;
+        fp->private_data = NULL;
         mutex_unlock(&ipath_mutex);
         return 0;
 }
@@ -299,17 +286,10 @@ static int ipath_diag_release(struct inode *i, struct file *f)
 static ssize_t ipath_diag_read(struct file *fp, char __user *data,
                                size_t count, loff_t *off)
 {
-        int unit = 0; /* XXX provide for reads on other units some day */
-        struct ipath_devdata *dd;
+        struct ipath_devdata *dd = fp->private_data;
         void __iomem *kreg_base;
         ssize_t ret;
 
-        dd = ipath_lookup(unit);
-        if (!dd) {
-                ret = -ENODEV;
-                goto bail;
-        }
-
         kreg_base = dd->ipath_kregbase;
 
         if (count == 0)
@@ -328,23 +308,16 @@ static ssize_t ipath_diag_read(struct file *fp, char __user *data,
                 ret = count;
         }
 
-bail:
         return ret;
 }
 
 static ssize_t ipath_diag_write(struct file *fp, const char __user *data,
                                 size_t count, loff_t *off)
 {
-        int unit = 0; /* XXX this is bogus */
-        struct ipath_devdata *dd;
+        struct ipath_devdata *dd = fp->private_data;
         void __iomem *kreg_base;
         ssize_t ret;
 
-        dd = ipath_lookup(unit);
-        if (!dd) {
-                ret = -ENODEV;
-                goto bail;
-        }
         kreg_base = dd->ipath_kregbase;
 
         if (count == 0)
@@ -363,6 +336,5 @@ static ssize_t ipath_diag_write(struct file *fp, const char __user *data,
                 ret = count;
         }
 
-bail:
         return ret;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index e4b897fa569a..823131d58b34 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -38,8 +39,8 @@
 #include <linux/vmalloc.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
 static void ipath_update_pio_bufs(struct ipath_devdata *);
 
@@ -52,7 +53,7 @@ const char *ipath_get_unit_name(int unit)
 
 EXPORT_SYMBOL_GPL(ipath_get_unit_name);
 
-#define DRIVER_LOAD_MSG "PathScale " IPATH_DRV_NAME " loaded: "
+#define DRIVER_LOAD_MSG "QLogic " IPATH_DRV_NAME " loaded: "
 #define PFX IPATH_DRV_NAME ": "
 
 /*
@@ -74,8 +75,8 @@ MODULE_PARM_DESC(debug, "mask for debug prints");
 EXPORT_SYMBOL_GPL(ipath_debug);
 
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("PathScale <support@pathscale.com>");
-MODULE_DESCRIPTION("Pathscale InfiniPath driver");
+MODULE_AUTHOR("QLogic <support@pathscale.com>");
+MODULE_DESCRIPTION("QLogic InfiniPath driver");
 
 const char *ipath_ibcstatus_str[] = {
         "Disabled",
@@ -130,14 +131,6 @@ static struct pci_driver ipath_driver = {
         .id_table = ipath_pci_tbl,
 };
 
-/*
- * This is where port 0's rcvhdrtail register is written back; we also
- * want nothing else sharing the cache line, so make it a cache line
- * in size.  Used for all units.
- */
-volatile __le64 *ipath_port0_rcvhdrtail;
-dma_addr_t ipath_port0_rcvhdrtail_dma;
-static int port0_rcvhdrtail_refs;
 
 static inline void read_bars(struct ipath_devdata *dd, struct pci_dev *dev,
                              u32 *bar0, u32 *bar1)
@@ -170,14 +163,13 @@ static void ipath_free_devdata(struct pci_dev *pdev,
                 list_del(&dd->ipath_list);
                 spin_unlock_irqrestore(&ipath_devs_lock, flags);
         }
-        dma_free_coherent(&pdev->dev, sizeof(*dd), dd, dd->ipath_dma_addr);
+        vfree(dd);
 }
 
 static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
 {
         unsigned long flags;
         struct ipath_devdata *dd;
-        dma_addr_t dma_addr;
         int ret;
 
         if (!idr_pre_get(&unit_table, GFP_KERNEL)) {
@@ -185,15 +177,12 @@ static struct ipath_devdata *ipath_alloc_devdata(struct pci_dev *pdev)
                 goto bail;
         }
 
-        dd = dma_alloc_coherent(&pdev->dev, sizeof(*dd), &dma_addr,
-                                GFP_KERNEL);
-
+        dd = vmalloc(sizeof(*dd));
         if (!dd) {
                 dd = ERR_PTR(-ENOMEM);
                 goto bail;
         }
-
-        dd->ipath_dma_addr = dma_addr;
+        memset(dd, 0, sizeof(*dd));
         dd->ipath_unit = -1;
 
         spin_lock_irqsave(&ipath_devs_lock, flags);
@@ -271,47 +260,6 @@ int ipath_count_units(int *npresentp, int *nupp, u32 *maxportsp)
         return nunits;
 }
 
-static int init_port0_rcvhdrtail(struct pci_dev *pdev)
-{
-        int ret;
-
-        mutex_lock(&ipath_mutex);
-
-        if (!ipath_port0_rcvhdrtail) {
-                ipath_port0_rcvhdrtail =
-                        dma_alloc_coherent(&pdev->dev,
-                                           IPATH_PORT0_RCVHDRTAIL_SIZE,
-                                           &ipath_port0_rcvhdrtail_dma,
-                                           GFP_KERNEL);
-
-                if (!ipath_port0_rcvhdrtail) {
-                        ret = -ENOMEM;
-                        goto bail;
-                }
-        }
-        port0_rcvhdrtail_refs++;
-        ret = 0;
-
-bail:
-        mutex_unlock(&ipath_mutex);
-
-        return ret;
-}
-
-static void cleanup_port0_rcvhdrtail(struct pci_dev *pdev)
-{
-        mutex_lock(&ipath_mutex);
-
-        if (!--port0_rcvhdrtail_refs) {
-                dma_free_coherent(&pdev->dev, IPATH_PORT0_RCVHDRTAIL_SIZE,
-                                  (void *) ipath_port0_rcvhdrtail,
-                                  ipath_port0_rcvhdrtail_dma);
-                ipath_port0_rcvhdrtail = NULL;
-        }
-
-        mutex_unlock(&ipath_mutex);
-}
-
 /*
  * These next two routines are placeholders in case we don't have per-arch
  * code for controlling write combining.  If explicit control of write
@@ -336,20 +284,12 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
         u32 bar0 = 0, bar1 = 0;
         u8 rev;
 
-        ret = init_port0_rcvhdrtail(pdev);
-        if (ret < 0) {
-                printk(KERN_ERR IPATH_DRV_NAME
-                       ": Could not allocate port0_rcvhdrtail: error %d\n",
-                       -ret);
-                goto bail;
-        }
-
         dd = ipath_alloc_devdata(pdev);
         if (IS_ERR(dd)) {
                 ret = PTR_ERR(dd);
                 printk(KERN_ERR IPATH_DRV_NAME
                        ": Could not allocate devdata: error %d\n", -ret);
-                goto bail_rcvhdrtail;
+                goto bail;
         }
 
         ipath_cdbg(VERBOSE, "initializing unit #%u\n", dd->ipath_unit);
@@ -424,12 +364,29 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
                  */
                 ret = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
                 if (ret) {
-                        dev_info(&pdev->dev, "pci_set_dma_mask unit %u "
-                                 "fails: %d\n", dd->ipath_unit, ret);
+                        dev_info(&pdev->dev,
+                                "Unable to set DMA mask for unit %u: %d\n",
+                                dd->ipath_unit, ret);
                         goto bail_regions;
                 }
-                else
+                else {
                         ipath_dbg("No 64bit DMA mask, used 32 bit mask\n");
+                        ret = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+                        if (ret)
+                                dev_info(&pdev->dev,
+                                        "Unable to set DMA consistent mask "
+                                        "for unit %u: %d\n",
+                                        dd->ipath_unit, ret);
+
+                }
+        }
+        else {
+                ret = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+                if (ret)
+                        dev_info(&pdev->dev,
+                                "Unable to set DMA consistent mask "
+                                "for unit %u: %d\n",
+                                dd->ipath_unit, ret);
         }
 
         pci_set_master(pdev);
@@ -452,7 +409,7 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
                 ipath_init_pe800_funcs(dd);
                 break;
         default:
-                ipath_dev_err(dd, "Found unknown PathScale deviceid 0x%x, "
+                ipath_dev_err(dd, "Found unknown QLogic deviceid 0x%x, "
                               "failing\n", ent->device);
                 return -ENODEV;
         }
@@ -495,23 +452,23 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
                 ((void __iomem *)dd->ipath_kregbase + len);
         dd->ipath_physaddr = addr;      /* used for io_remap, etc. */
         /* for user mmap */
-        dd->ipath_kregvirt = (u64 __iomem *) phys_to_virt(addr);
-        ipath_cdbg(VERBOSE, "mapped io addr %llx to kregbase %p "
-                   "kregvirt %p\n", addr, dd->ipath_kregbase,
-                   dd->ipath_kregvirt);
+        ipath_cdbg(VERBOSE, "mapped io addr %llx to kregbase %p\n",
+                   addr, dd->ipath_kregbase);
 
         /*
          * clear ipath_flags here instead of in ipath_init_chip as it is set
          * by ipath_setup_htconfig.
          */
         dd->ipath_flags = 0;
+        dd->ipath_lli_counter = 0;
+        dd->ipath_lli_errors = 0;
 
         if (dd->ipath_f_bus(dd, pdev))
                 ipath_dev_err(dd, "Failed to setup config space; "
                               "continuing anyway\n");
 
         /*
-         * set up our interrupt handler; SA_SHIRQ probably not needed,
+         * set up our interrupt handler; IRQF_SHARED probably not needed,
          * since MSI interrupts shouldn't be shared but won't  hurt for now.
          * check 0 irq after we return from chip-specific bus setup, since
          * that can affect this due to setup
@@ -520,7 +477,7 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
                 ipath_dev_err(dd, "irq is 0, BIOS error?  Interrupts won't "
                               "work\n");
         else {
-                ret = request_irq(pdev->irq, ipath_intr, SA_SHIRQ,
+                ret = request_irq(pdev->irq, ipath_intr, IRQF_SHARED,
                                   IPATH_DRV_NAME, dd);
                 if (ret) {
                         ipath_dev_err(dd, "Couldn't setup irq handler, "
@@ -545,6 +502,7 @@ static int __devinit ipath_init_one(struct pci_dev *pdev,
         ipath_device_create_group(&pdev->dev, dd);
         ipathfs_add_device(dd);
         ipath_user_add(dd);
+        ipath_diag_add(dd);
         ipath_layer_add(dd);
 
         goto bail;
@@ -561,9 +519,6 @@ bail_disable:
 bail_devdata:
         ipath_free_devdata(pdev, dd);
 
-bail_rcvhdrtail:
-        cleanup_port0_rcvhdrtail(pdev);
-
 bail:
         return ret;
 }
@@ -577,8 +532,9 @@ static void __devexit ipath_remove_one(struct pci_dev *pdev)
                 return;
 
         dd = pci_get_drvdata(pdev);
-        ipath_layer_del(dd);
-        ipath_user_del(dd);
+        ipath_layer_remove(dd);
+        ipath_diag_remove(dd);
+        ipath_user_remove(dd);
         ipathfs_remove_device(dd);
         ipath_device_remove_group(&pdev->dev, dd);
         ipath_cdbg(VERBOSE, "Releasing pci memory regions, dd %p, "
@@ -594,7 +550,6 @@ static void __devexit ipath_remove_one(struct pci_dev *pdev)
         pci_disable_device(pdev);
 
         ipath_free_devdata(pdev, dd);
-        cleanup_port0_rcvhdrtail(pdev);
 }
 
 /* general driver use */
@@ -868,7 +823,8 @@ static void ipath_rcv_layer(struct ipath_devdata *dd, u32 etail,
         u8 pad, *bthbytes;
         struct sk_buff *skb, *nskb;
 
-        if (dd->ipath_port0_skbs && hdr->sub_opcode == OPCODE_ENCAP) {
+        if (dd->ipath_port0_skbs &&
+                        hdr->sub_opcode == IPATH_ITH4X_OPCODE_ENCAP) {
                 /*
                  * Allocate a new sk_buff to replace the one we give
                  * to the network stack.
@@ -899,7 +855,7 @@ static void ipath_rcv_layer(struct ipath_devdata *dd, u32 etail,
                 /* another ether packet received */
                 ipath_stats.sps_ether_rpkts++;
         }
-        else if (hdr->sub_opcode == OPCODE_LID_ARP)
+        else if (hdr->sub_opcode == IPATH_ITH4X_OPCODE_LID_ARP)
                 __ipath_layer_rcv_lid(dd, hdr);
 }
 
@@ -916,8 +872,8 @@ void ipath_kreceive(struct ipath_devdata *dd)
         const u32 rsize = dd->ipath_rcvhdrentsize;      /* words */
         const u32 maxcnt = dd->ipath_rcvhdrcnt * rsize; /* words */
         u32 etail = -1, l, hdrqtail;
-        struct ips_message_header *hdr;
-        u32 eflags, i, etype, tlen, pkttot = 0;
+        struct ipath_message_header *hdr;
+        u32 eflags, i, etype, tlen, pkttot = 0, updegr=0, reloop=0;
         static u64 totcalls;    /* stats, may eventually remove */
         char emsg[128];
 
@@ -931,24 +887,18 @@ void ipath_kreceive(struct ipath_devdata *dd)
         if (test_and_set_bit(0, &dd->ipath_rcv_pending))
                 goto bail;
 
-        if (dd->ipath_port0head ==
-            (u32)le64_to_cpu(*dd->ipath_hdrqtailptr))
+        l = dd->ipath_port0head;
+        hdrqtail = (u32) le64_to_cpu(*dd->ipath_hdrqtailptr);
+        if (l == hdrqtail)
                 goto done;
 
-gotmore:
-        /*
-         * read only once at start.  If in flood situation, this helps
-         * performance slightly.  If more arrive while we are processing,
-         * we'll come back here and do them
-         */
-        hdrqtail = (u32)le64_to_cpu(*dd->ipath_hdrqtailptr);
-
-        for (i = 0, l = dd->ipath_port0head; l != hdrqtail; i++) {
+reloop:
+        for (i = 0; l != hdrqtail; i++) {
                 u32 qp;
                 u8 *bthbytes;
 
                 rc = (u64 *) (dd->ipath_pd[0]->port_rcvhdrq + (l << 2));
-                hdr = (struct ips_message_header *)&rc[1];
+                hdr = (struct ipath_message_header *)&rc[1];
                 /*
                  * could make a network order version of IPATH_KD_QP, and
                  * do the obvious shift before masking to speed this up.
@@ -956,10 +906,10 @@ gotmore:
                 qp = ntohl(hdr->bth[1]) & 0xffffff;
                 bthbytes = (u8 *) hdr->bth;
 
-                eflags = ips_get_hdr_err_flags((__le32 *) rc);
-                etype = ips_get_rcv_type((__le32 *) rc);
+                eflags = ipath_hdrget_err_flags((__le32 *) rc);
+                etype = ipath_hdrget_rcv_type((__le32 *) rc);
                 /* total length */
-                tlen = ips_get_length_in_bytes((__le32 *) rc);
+                tlen = ipath_hdrget_length_in_bytes((__le32 *) rc);
                 ebuf = NULL;
                 if (etype != RCVHQ_RCV_TYPE_EXPECTED) {
                         /*
@@ -969,7 +919,7 @@ gotmore:
                          * set ebuf (so we try to copy data) unless the
                          * length requires it.
                          */
-                        etail = ips_get_index((__le32 *) rc);
+                        etail = ipath_hdrget_index((__le32 *) rc);
                         if (tlen > sizeof(*hdr) ||
                             etype == RCVHQ_RCV_TYPE_NON_KD)
                                 ebuf = ipath_get_egrbuf(dd, etail, 0);
@@ -981,7 +931,7 @@ gotmore:
                  */
 
                 if (etype != RCVHQ_RCV_TYPE_NON_KD && etype !=
-                    RCVHQ_RCV_TYPE_ERROR && ips_get_ipath_ver(
+                    RCVHQ_RCV_TYPE_ERROR && ipath_hdrget_ipath_ver(
                             hdr->iph.ver_port_tid_offset) !=
                     IPS_PROTO_VERSION) {
                         ipath_cdbg(PKT, "Bad InfiniPath protocol version "
@@ -994,7 +944,19 @@ gotmore:
                         ipath_cdbg(PKT, "RHFerrs %x hdrqtail=%x typ=%u "
                                    "tlen=%x opcode=%x egridx=%x: %s\n",
                                    eflags, l, etype, tlen, bthbytes[0],
-                                   ips_get_index((__le32 *) rc), emsg);
+                                   ipath_hdrget_index((__le32 *) rc), emsg);
+                        /* Count local link integrity errors. */
+                        if (eflags & (INFINIPATH_RHF_H_ICRCERR |
+                                      INFINIPATH_RHF_H_VCRCERR)) {
+                                u8 n = (dd->ipath_ibcctrl >>
+                                        INFINIPATH_IBCC_PHYERRTHRESHOLD_SHIFT) &
+                                        INFINIPATH_IBCC_PHYERRTHRESHOLD_MASK;
+
+                                if (++dd->ipath_lli_counter > n) {
+                                        dd->ipath_lli_counter = 0;
+                                        dd->ipath_lli_errors++;
+                                }
+                        }
                 } else if (etype == RCVHQ_RCV_TYPE_NON_KD) {
                                 int ret = __ipath_verbs_rcv(dd, rc + 1,
                                                             ebuf, tlen);
@@ -1002,6 +964,9 @@ gotmore:
                                         ipath_cdbg(VERBOSE,
                                                    "received IB packet, "
                                                    "not SMA (QP=%x)\n", qp);
+                                if (dd->ipath_lli_counter)
+                                        dd->ipath_lli_counter--;
+
                 } else if (etype == RCVHQ_RCV_TYPE_EAGER) {
                         if (qp == IPATH_KD_QP &&
                             bthbytes[0] == ipath_layer_rcv_opcode &&
@@ -1054,25 +1019,49 @@ gotmore:
                 l += rsize;
                 if (l >= maxcnt)
                         l = 0;
+                if (etype != RCVHQ_RCV_TYPE_EXPECTED)
+                    updegr = 1;
                 /*
-                 * update for each packet, to help prevent overflows if we
-                 * have lots of packets.
+                 * update head regs on last packet, and every 16 packets.
+                 * Reduce bus traffic, while still trying to prevent
+                 * rcvhdrq overflows, for when the queue is nearly full
                  */
-                (void)ipath_write_ureg(dd, ur_rcvhdrhead,
-                                       dd->ipath_rhdrhead_intr_off | l, 0);
-                if (etype != RCVHQ_RCV_TYPE_EXPECTED)
-                        (void)ipath_write_ureg(dd, ur_rcvegrindexhead,
-                                               etail, 0);
+                if (l == hdrqtail || (i && !(i&0xf))) {
+                        u64 lval;
+                        if (l == hdrqtail) /* PE-800 interrupt only on last */
+                                lval = dd->ipath_rhdrhead_intr_off | l;
+                        else
+                                lval = l;
+                        (void)ipath_write_ureg(dd, ur_rcvhdrhead, lval, 0);
+                        if (updegr) {
+                                (void)ipath_write_ureg(dd, ur_rcvegrindexhead,
+                                                       etail, 0);
+                                updegr = 0;
+                        }
+                }
+        }
+
+        if (!dd->ipath_rhdrhead_intr_off && !reloop) {
+                /* HT-400 workaround; we can have a race clearing chip
+                 * interrupt with another interrupt about to be delivered,
+                 * and can clear it before it is delivered on the GPIO
+                 * workaround.  By doing the extra check here for the
+                 * in-memory tail register updating while we were doing
+                 * earlier packets, we "almost" guarantee we have covered
+                 * that case.
+                 */
+                u32 hqtail = (u32)le64_to_cpu(*dd->ipath_hdrqtailptr);
+                if (hqtail != hdrqtail) {
+                        hdrqtail = hqtail;
+                        reloop = 1; /* loop 1 extra time at most */
+                        goto reloop;
+                }
         }
 
         pkttot += i;
 
         dd->ipath_port0head = l;
 
-        if (hdrqtail != (u32)le64_to_cpu(*dd->ipath_hdrqtailptr))
-                /* more arrived while we handled first batch */
-                goto gotmore;
-
         if (pkttot > ipath_stats.sps_maxpkts_call)
                 ipath_stats.sps_maxpkts_call = pkttot;
         ipath_stats.sps_port0pkts += pkttot;
@@ -1369,26 +1358,20 @@ bail:
  * @dd: the infinipath device
  * @pd: the port data
  *
- * this *must* be physically contiguous memory, and for now,
- * that limits it to what kmalloc can do.
+ * this must be contiguous memory (from an i/o perspective), and must be
+ * DMA'able (which means for some systems, it will go through an IOMMU,
+ * or be forced into a low address range).
  */
 int ipath_create_rcvhdrq(struct ipath_devdata *dd,
                          struct ipath_portdata *pd)
 {
-        int ret = 0, amt;
+        int ret = 0;
 
-        amt = ALIGN(dd->ipath_rcvhdrcnt * dd->ipath_rcvhdrentsize *
-                    sizeof(u32), PAGE_SIZE);
         if (!pd->port_rcvhdrq) {
-                /*
-                 * not using REPEAT isn't viable; at 128KB, we can easily
-                 * fail this.  The problem with REPEAT is we can block here
-                 * "forever".  There isn't an inbetween, unfortunately.  We
-                 * could reduce the risk by never freeing the rcvhdrq except
-                 * at unload, but even then, the first time a port is used,
-                 * we could delay for some time...
-                 */
+                dma_addr_t phys_hdrqtail;
                 gfp_t gfp_flags = GFP_USER | __GFP_COMP;
+                int amt = ALIGN(dd->ipath_rcvhdrcnt * dd->ipath_rcvhdrentsize *
+                                sizeof(u32), PAGE_SIZE);
 
                 pd->port_rcvhdrq = dma_alloc_coherent(
                         &dd->pcidev->dev, amt, &pd->port_rcvhdrq_phys,
@@ -1401,6 +1384,16 @@ int ipath_create_rcvhdrq(struct ipath_devdata *dd,
                         ret = -ENOMEM;
                         goto bail;
                 }
+                pd->port_rcvhdrtail_kvaddr = dma_alloc_coherent(
+                        &dd->pcidev->dev, PAGE_SIZE, &phys_hdrqtail, GFP_KERNEL);
+                if (!pd->port_rcvhdrtail_kvaddr) {
+                        ipath_dev_err(dd, "attempt to allocate 1 page "
+                                      "for port %u rcvhdrqtailaddr failed\n",
+                                      pd->port_port);
+                        ret = -ENOMEM;
+                        goto bail;
+                }
+                pd->port_rcvhdrqtailaddr_phys = phys_hdrqtail;
 
                 pd->port_rcvhdrq_size = amt;
 
@@ -1410,20 +1403,28 @@ int ipath_create_rcvhdrq(struct ipath_devdata *dd,
                            (unsigned long) pd->port_rcvhdrq_phys,
                            (unsigned long) pd->port_rcvhdrq_size,
                            pd->port_port);
-        } else {
-                /*
-                 * clear for security, sanity, and/or debugging, each
-                 * time we reuse
-                 */
-                memset(pd->port_rcvhdrq, 0, amt);
+
+                ipath_cdbg(VERBOSE, "port %d hdrtailaddr, %llx physical\n",
+                           pd->port_port,
+                           (unsigned long long) phys_hdrqtail);
         }
+        else
+                ipath_cdbg(VERBOSE, "reuse port %d rcvhdrq @%p %llx phys; "
+                           "hdrtailaddr@%p %llx physical\n",
+                           pd->port_port, pd->port_rcvhdrq,
+                           pd->port_rcvhdrq_phys, pd->port_rcvhdrtail_kvaddr,
+                           (unsigned long long)pd->port_rcvhdrqtailaddr_phys);
+
+        /* clear for security and sanity on each use */
+        memset(pd->port_rcvhdrq, 0, pd->port_rcvhdrq_size);
+        memset((void *)pd->port_rcvhdrtail_kvaddr, 0, PAGE_SIZE);
 
         /*
          * tell chip each time we init it, even if we are re-using previous
-         * memory (we zero it at process close)
+         * memory (we zero the register at process close)
          */
-        ipath_cdbg(VERBOSE, "writing port %d rcvhdraddr as %lx\n",
-                   pd->port_port, (unsigned long) pd->port_rcvhdrq_phys);
+        ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdrtailaddr,
+                              pd->port_port, pd->port_rcvhdrqtailaddr_phys);
         ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdraddr,
                               pd->port_port, pd->port_rcvhdrq_phys);
 
@@ -1511,15 +1512,27 @@ void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
                 [INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED",
                 [INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE"
         };
+        int linkcmd = (which >> INFINIPATH_IBCC_LINKCMD_SHIFT) &
+                        INFINIPATH_IBCC_LINKCMD_MASK;
+
         ipath_cdbg(SMA, "Trying to move unit %u to %s, current ltstate "
                    "is %s\n", dd->ipath_unit,
-                   what[(which >> INFINIPATH_IBCC_LINKCMD_SHIFT) &
-                        INFINIPATH_IBCC_LINKCMD_MASK],
+                   what[linkcmd],
                    ipath_ibcstatus_str[
                            (ipath_read_kreg64
                             (dd, dd->ipath_kregs->kr_ibcstatus) >>
                             INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
                            INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]);
+        /* flush all queued sends when going to DOWN or INIT, to be sure that
+         * they don't block SMA and other MAD packets */
+        if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT) {
+                ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+                                 INFINIPATH_S_ABORT);
+                ipath_disarm_piobufs(dd, dd->ipath_lastport_piobuf,
+                                    (unsigned)(dd->ipath_piobcnt2k +
+                                    dd->ipath_piobcnt4k) -
+                                    dd->ipath_lastport_piobuf);
+        }
 
         ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
                          dd->ipath_ibcctrl | which);
@@ -1638,7 +1651,7 @@ void ipath_shutdown_device(struct ipath_devdata *dd)
         /* disable IBC */
         dd->ipath_control &= ~INFINIPATH_C_LINKENABLE;
         ipath_write_kreg(dd, dd->ipath_kregs->kr_control,
-                         dd->ipath_control);
+                         dd->ipath_control | INFINIPATH_C_FREEZEMODE);
 
         /*
          * clear SerdesEnable and turn the leds off; do this here because
@@ -1667,60 +1680,54 @@ void ipath_shutdown_device(struct ipath_devdata *dd)
 /**
  * ipath_free_pddata - free a port's allocated data
  * @dd: the infinipath device
- * @port: the port
- * @freehdrq: free the port data structure if true
+ * @pd: the portdata structure
  *
- * when closing, free up any allocated data for a port, if the
- * reference count goes to zero
- * Note: this also optionally frees the portdata itself!
- * Any changes here have to be matched up with the reinit case
- * of ipath_init_chip(), which calls this routine on reinit after reset.
+ * free up any allocated data for a port
+ * This should not touch anything that would affect a simultaneous
+ * re-allocation of port data, because it is called after ipath_mutex
+ * is released (and can be called from reinit as well).
+ * It should never change any chip state, or global driver state.
+ * (The only exception to global state is freeing the port0 port0_skbs.)
  */
-void ipath_free_pddata(struct ipath_devdata *dd, u32 port, int freehdrq)
+void ipath_free_pddata(struct ipath_devdata *dd, struct ipath_portdata *pd)
 {
-        struct ipath_portdata *pd = dd->ipath_pd[port];
-
         if (!pd)
                 return;
-        if (freehdrq)
-                /*
-                 * only clear and free portdata if we are going to also
-                 * release the hdrq, otherwise we leak the hdrq on each
-                 * open/close cycle
-                 */
-                dd->ipath_pd[port] = NULL;
-        if (freehdrq && pd->port_rcvhdrq) {
+
+        if (pd->port_rcvhdrq) {
                 ipath_cdbg(VERBOSE, "free closed port %d rcvhdrq @ %p "
                            "(size=%lu)\n", pd->port_port, pd->port_rcvhdrq,
                            (unsigned long) pd->port_rcvhdrq_size);
                 dma_free_coherent(&dd->pcidev->dev, pd->port_rcvhdrq_size,
                                   pd->port_rcvhdrq, pd->port_rcvhdrq_phys);
                 pd->port_rcvhdrq = NULL;
+                if (pd->port_rcvhdrtail_kvaddr) {
+                        dma_free_coherent(&dd->pcidev->dev, PAGE_SIZE,
+                                         (void *)pd->port_rcvhdrtail_kvaddr,
+                                         pd->port_rcvhdrqtailaddr_phys);
+                        pd->port_rcvhdrtail_kvaddr = NULL;
+                }
         }
-        if (port && pd->port_rcvegrbuf) {
-                /* always free this */
-                if (pd->port_rcvegrbuf) {
-                        unsigned e;
-
-                        for (e = 0; e < pd->port_rcvegrbuf_chunks; e++) {
-                                void *base = pd->port_rcvegrbuf[e];
-                                size_t size = pd->port_rcvegrbuf_size;
-
-                                ipath_cdbg(VERBOSE, "egrbuf free(%p, %lu), "
-                                           "chunk %u/%u\n", base,
-                                           (unsigned long) size,
-                                           e, pd->port_rcvegrbuf_chunks);
-                                dma_free_coherent(
-                                        &dd->pcidev->dev, size, base,
-                                        pd->port_rcvegrbuf_phys[e]);
-                        }
-                        vfree(pd->port_rcvegrbuf);
-                        pd->port_rcvegrbuf = NULL;
-                        vfree(pd->port_rcvegrbuf_phys);
-                        pd->port_rcvegrbuf_phys = NULL;
+        if (pd->port_port && pd->port_rcvegrbuf) {
+                unsigned e;
+
+                for (e = 0; e < pd->port_rcvegrbuf_chunks; e++) {
+                        void *base = pd->port_rcvegrbuf[e];
+                        size_t size = pd->port_rcvegrbuf_size;
+
+                        ipath_cdbg(VERBOSE, "egrbuf free(%p, %lu), "
+                                   "chunk %u/%u\n", base,
+                                   (unsigned long) size,
+                                   e, pd->port_rcvegrbuf_chunks);
+                        dma_free_coherent(&dd->pcidev->dev, size,
+                                base, pd->port_rcvegrbuf_phys[e]);
                 }
+                vfree(pd->port_rcvegrbuf);
+                pd->port_rcvegrbuf = NULL;
+                vfree(pd->port_rcvegrbuf_phys);
+                pd->port_rcvegrbuf_phys = NULL;
                 pd->port_rcvegrbuf_chunks = 0;
-        } else if (port == 0 && dd->ipath_port0_skbs) {
+        } else if (pd->port_port == 0 && dd->ipath_port0_skbs) {
                 unsigned e;
                 struct sk_buff **skbs = dd->ipath_port0_skbs;
 
@@ -1732,10 +1739,8 @@ void ipath_free_pddata(struct ipath_devdata *dd, u32 port, int freehdrq)
                                 dev_kfree_skb(skbs[e]);
                 vfree(skbs);
         }
-        if (freehdrq) {
-                kfree(pd->port_tid_pg_list);
-                kfree(pd);
-        }
+        kfree(pd->port_tid_pg_list);
+        kfree(pd);
 }
 
 static int __init infinipath_init(void)
@@ -1806,7 +1811,6 @@ static void cleanup_device(struct ipath_devdata *dd)
                          * re-init
                          */
                         dd->ipath_kregbase = NULL;
-                        dd->ipath_kregvirt = NULL;
                         dd->ipath_uregbase = 0;
                         dd->ipath_sregbase = 0;
                         dd->ipath_cregbase = 0;
@@ -1821,6 +1825,12 @@ static void cleanup_device(struct ipath_devdata *dd)
                                   dd->ipath_pioavailregs_phys);
                 dd->ipath_pioavailregs_dma = NULL;
         }
+        if (dd->ipath_dummy_hdrq) {
+                dma_free_coherent(&dd->pcidev->dev,
+                        dd->ipath_pd[0]->port_rcvhdrq_size,
+                        dd->ipath_dummy_hdrq, dd->ipath_dummy_hdrq_phys);
+                dd->ipath_dummy_hdrq = NULL;
+        }
 
         if (dd->ipath_pageshadow) {
                 struct page **tmpp = dd->ipath_pageshadow;
@@ -1861,10 +1871,14 @@ static void cleanup_device(struct ipath_devdata *dd)
 
         /*
          * free any resources still in use (usually just kernel ports)
-         * at unload
+         * at unload; we do for portcnt, not cfgports, because cfgports
+         * could have changed while we were loaded.
          */
-        for (port = 0; port < dd->ipath_cfgports; port++)
-                ipath_free_pddata(dd, port, 1);
+        for (port = 0; port < dd->ipath_portcnt; port++) {
+                struct ipath_portdata *pd = dd->ipath_pd[port];
+                dd->ipath_pd[port] = NULL;
+                ipath_free_pddata(dd, pd);
+        }
         kfree(dd->ipath_pd);
         /*
          * debuggability, in case some cleanup path tries to use it
diff --git a/drivers/infiniband/hw/ipath/ipath_eeprom.c b/drivers/infiniband/hw/ipath/ipath_eeprom.c
index a2f1ceafcca9..3313356ab93a 100644
--- a/drivers/infiniband/hw/ipath/ipath_eeprom.c
+++ b/drivers/infiniband/hw/ipath/ipath_eeprom.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -600,8 +601,31 @@ void ipath_get_eeprom_info(struct ipath_devdata *dd)
                 guid = *(__be64 *) ifp->if_guid;
         dd->ipath_guid = guid;
         dd->ipath_nguid = ifp->if_numguid;
-        memcpy(dd->ipath_serial, ifp->if_serial,
-               sizeof(ifp->if_serial));
+        /*
+         * Things are slightly complicated by the desire to transparently
+         * support both the Pathscale 10-digit serial number and the QLogic
+         * 13-character version.
+         */
+        if ((ifp->if_fversion > 1) && ifp->if_sprefix[0]
+                && ((u8 *)ifp->if_sprefix)[0] != 0xFF) {
+                /* This board has a Serial-prefix, which is stored
+                 * elsewhere for backward-compatibility.
+                 */
+                char *snp = dd->ipath_serial;
+                int len;
+                memcpy(snp, ifp->if_sprefix, sizeof ifp->if_sprefix);
+                snp[sizeof ifp->if_sprefix] = '\0';
+                len = strlen(snp);
+                snp += len;
+                len = (sizeof dd->ipath_serial) - len;
+                if (len > sizeof ifp->if_serial) {
+                        len = sizeof ifp->if_serial;
+                }
+                memcpy(snp, ifp->if_serial, len);
+        } else
+                memcpy(dd->ipath_serial, ifp->if_serial,
+                       sizeof ifp->if_serial);
+
         ipath_cdbg(VERBOSE, "Initted GUID to %llx from eeprom\n",
                    (unsigned long long) be64_to_cpu(dd->ipath_guid));
 
diff --git a/drivers/infiniband/hw/ipath/ipath_file_ops.c b/drivers/infiniband/hw/ipath/ipath_file_ops.c
index ada267e41f6c..bbaa70e57db1 100644
--- a/drivers/infiniband/hw/ipath/ipath_file_ops.c
+++ b/drivers/infiniband/hw/ipath/ipath_file_ops.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -38,8 +39,8 @@
 #include <asm/pgtable.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
 static int ipath_open(struct inode *, struct file *);
 static int ipath_close(struct inode *, struct file *);
@@ -122,6 +123,7 @@ static int ipath_get_base_info(struct ipath_portdata *pd,
          * on to yet another method of dealing with this
          */
         kinfo->spi_rcvhdr_base = (u64) pd->port_rcvhdrq_phys;
+        kinfo->spi_rcvhdr_tailaddr = (u64)pd->port_rcvhdrqtailaddr_phys;
         kinfo->spi_rcv_egrbufs = (u64) pd->port_rcvegr_phys;
         kinfo->spi_pioavailaddr = (u64) dd->ipath_pioavailregs_phys;
         kinfo->spi_status = (u64) kinfo->spi_pioavailaddr +
@@ -456,7 +458,7 @@ static int ipath_set_part_key(struct ipath_portdata *pd, u16 key)
         u16 lkey = key & 0x7FFF;
         int ret;
 
-        if (lkey == (IPS_DEFAULT_P_KEY & 0x7FFF)) {
+        if (lkey == (IPATH_DEFAULT_P_KEY & 0x7FFF)) {
                 /* nothing to do; this key always valid */
                 ret = 0;
                 goto bail;
@@ -704,6 +706,15 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
         unsigned e, egrcnt, alloced, egrperchunk, chunk, egrsize, egroff;
         size_t size;
         int ret;
+        gfp_t gfp_flags;
+
+        /*
+         * GFP_USER, but without GFP_FS, so buffer cache can be
+         * coalesced (we hope); otherwise, even at order 4,
+         * heavy filesystem activity makes these fail, and we can
+         * use compound pages.
+         */
+        gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
 
         egrcnt = dd->ipath_rcvegrcnt;
         /* TID number offset for this port */
@@ -720,10 +731,8 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
          * memory pressure (creating large files and then copying them over
          * NFS while doing lots of MPI jobs), we hit some allocation
          * failures, even though we can sleep...  (2.6.10) Still get
-         * failures at 64K.  32K is the lowest we can go without waiting
-         * more memory again.  It seems likely that the coalescing in
-         * free_pages, etc. still has issues (as it has had previously
-         * during 2.6.x development).
+         * failures at 64K.  32K is the lowest we can go without wasting
+         * additional memory.
          */
         size = 0x8000;
         alloced = ALIGN(egrsize * egrcnt, size);
@@ -744,12 +753,6 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
                 goto bail_rcvegrbuf;
         }
         for (e = 0; e < pd->port_rcvegrbuf_chunks; e++) {
-                /*
-                 * GFP_USER, but without GFP_FS, so buffer cache can be
-                 * coalesced (we hope); otherwise, even at order 4,
-                 * heavy filesystem activity makes these fail
-                 */
-                gfp_t gfp_flags = __GFP_WAIT | __GFP_IO | __GFP_COMP;
 
                 pd->port_rcvegrbuf[e] = dma_alloc_coherent(
                         &dd->pcidev->dev, size, &pd->port_rcvegrbuf_phys[e],
@@ -783,11 +786,12 @@ static int ipath_create_user_egr(struct ipath_portdata *pd)
 
 bail_rcvegrbuf_phys:
         for (e = 0; e < pd->port_rcvegrbuf_chunks &&
-                     pd->port_rcvegrbuf[e]; e++)
+                pd->port_rcvegrbuf[e]; e++) {
                 dma_free_coherent(&dd->pcidev->dev, size,
                                   pd->port_rcvegrbuf[e],
                                   pd->port_rcvegrbuf_phys[e]);
 
+        }
         vfree(pd->port_rcvegrbuf_phys);
         pd->port_rcvegrbuf_phys = NULL;
 bail_rcvegrbuf:
@@ -802,10 +806,7 @@ static int ipath_do_user_init(struct ipath_portdata *pd,
 {
         int ret = 0;
         struct ipath_devdata *dd = pd->port_dd;
-        u64 physaddr, uaddr, off, atmp;
-        struct page *pagep;
         u32 head32;
-        u64 head;
 
         /* for now, if major version is different, bail */
         if ((uinfo->spu_userversion >> 16) != IPATH_USER_SWMAJOR) {
@@ -830,54 +831,6 @@ static int ipath_do_user_init(struct ipath_portdata *pd,
 
         /* for now we do nothing with rcvhdrcnt: uinfo->spu_rcvhdrcnt */
 
-        /* set up for the rcvhdr Q tail register writeback to user memory */
-        if (!uinfo->spu_rcvhdraddr ||
-            !access_ok(VERIFY_WRITE, (u64 __user *) (unsigned long)
-                       uinfo->spu_rcvhdraddr, sizeof(u64))) {
-                ipath_dbg("Port %d rcvhdrtail addr %llx not valid\n",
-                          pd->port_port,
-                          (unsigned long long) uinfo->spu_rcvhdraddr);
-                ret = -EINVAL;
-                goto done;
-        }
-
-        off = offset_in_page(uinfo->spu_rcvhdraddr);
-        uaddr = PAGE_MASK & (unsigned long) uinfo->spu_rcvhdraddr;
-        ret = ipath_get_user_pages_nocopy(uaddr, &pagep);
-        if (ret) {
-                dev_info(&dd->pcidev->dev, "Failed to lookup and lock "
-                         "address %llx for rcvhdrtail: errno %d\n",
-                         (unsigned long long) uinfo->spu_rcvhdraddr, -ret);
-                goto done;
-        }
-        ipath_stats.sps_pagelocks++;
-        pd->port_rcvhdrtail_uaddr = uaddr;
-        pd->port_rcvhdrtail_pagep = pagep;
-        pd->port_rcvhdrtail_kvaddr =
-                page_address(pagep);
-        pd->port_rcvhdrtail_kvaddr += off;
-        physaddr = page_to_phys(pagep) + off;
-        ipath_cdbg(VERBOSE, "port %d user addr %llx hdrtailaddr, %llx "
-                   "physical (off=%llx)\n",
-                   pd->port_port,
-                   (unsigned long long) uinfo->spu_rcvhdraddr,
-                   (unsigned long long) physaddr, (unsigned long long) off);
-        ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdrtailaddr,
-                              pd->port_port, physaddr);
-        atmp = ipath_read_kreg64_port(dd,
-                                      dd->ipath_kregs->kr_rcvhdrtailaddr,
-                                      pd->port_port);
-        if (physaddr != atmp) {
-                ipath_dev_err(dd,
-                              "Catastrophic software error, "
-                              "RcvHdrTailAddr%u written as %llx, "
-                              "read back as %llx\n", pd->port_port,
-                              (unsigned long long) physaddr,
-                              (unsigned long long) atmp);
-                ret = -EINVAL;
-                goto done;
-        }
-
         /* for right now, kernel piobufs are at end, so port 1 is at 0 */
         pd->port_piobufs = dd->ipath_piobufbase +
                 dd->ipath_pbufsport * (pd->port_port -
@@ -896,26 +849,18 @@ static int ipath_do_user_init(struct ipath_portdata *pd,
                 ret = ipath_create_user_egr(pd);
         if (ret)
                 goto done;
-        /* enable receives now */
-        /* atomically set enable bit for this port */
-        set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
-                &dd->ipath_rcvctrl);
 
         /*
-         * set the head registers for this port to the current values
+         * set the eager head register for this port to the current values
          * of the tail pointers, since we don't know if they were
          * updated on last use of the port.
          */
-        head32 = ipath_read_ureg32(dd, ur_rcvhdrtail, pd->port_port);
-        head = (u64) head32;
-        ipath_write_ureg(dd, ur_rcvhdrhead, head, pd->port_port);
         head32 = ipath_read_ureg32(dd, ur_rcvegrindextail, pd->port_port);
         ipath_write_ureg(dd, ur_rcvegrindexhead, head32, pd->port_port);
         dd->ipath_lastegrheads[pd->port_port] = -1;
         dd->ipath_lastrcvhdrqtails[pd->port_port] = -1;
-        ipath_cdbg(VERBOSE, "Wrote port%d head %llx, egrhead %x from "
-                   "tail regs\n", pd->port_port,
-                   (unsigned long long) head, head32);
+        ipath_cdbg(VERBOSE, "Wrote port%d egrhead %x from tail regs\n",
+                pd->port_port, head32);
         pd->port_tidcursor = 0; /* start at beginning after open */
         /*
          * now enable the port; the tail registers will be written to memory
@@ -924,24 +869,76 @@ static int ipath_do_user_init(struct ipath_portdata *pd,
          * transition from 0 to 1, so clear it first, then set it as part of
          * enabling the port.  This will (very briefly) affect any other
          * open ports, but it shouldn't be long enough to be an issue.
+         * We explictly set the in-memory copy to 0 beforehand, so we don't
+         * have to wait to be sure the DMA update has happened.
          */
+        *pd->port_rcvhdrtail_kvaddr = 0ULL;
+        set_bit(INFINIPATH_R_PORTENABLE_SHIFT + pd->port_port,
+                &dd->ipath_rcvctrl);
         ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
                          dd->ipath_rcvctrl & ~INFINIPATH_R_TAILUPD);
         ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvctrl,
                          dd->ipath_rcvctrl);
-
 done:
         return ret;
 }
 
+
+/* common code for the mappings on dma_alloc_coherent mem */
+static int ipath_mmap_mem(struct vm_area_struct *vma,
+                             struct ipath_portdata *pd, unsigned len,
+                             int write_ok, dma_addr_t addr, char *what)
+{
+        struct ipath_devdata *dd = pd->port_dd;
+        unsigned pfn = (unsigned long)addr >> PAGE_SHIFT;
+        int ret;
+
+        if ((vma->vm_end - vma->vm_start) > len) {
+                dev_info(&dd->pcidev->dev,
+                         "FAIL on %s: len %lx > %x\n", what,
+                         vma->vm_end - vma->vm_start, len);
+                ret = -EFAULT;
+                goto bail;
+        }
+
+        if (!write_ok) {
+                if (vma->vm_flags & VM_WRITE) {
+                        dev_info(&dd->pcidev->dev,
+                                 "%s must be mapped readonly\n", what);
+                        ret = -EPERM;
+                        goto bail;
+                }
+
+                /* don't allow them to later change with mprotect */
+                vma->vm_flags &= ~VM_MAYWRITE;
+        }
+
+        ret = remap_pfn_range(vma, vma->vm_start, pfn,
+                              len, vma->vm_page_prot);
+        if (ret)
+                dev_info(&dd->pcidev->dev,
+                         "%s port%u mmap of %lx, %x bytes r%c failed: %d\n",
+                         what, pd->port_port, (unsigned long)addr, len,
+                         write_ok?'w':'o', ret);
+        else
+                ipath_cdbg(VERBOSE, "%s port%u mmaped %lx, %x bytes r%c\n",
+                        what, pd->port_port, (unsigned long)addr, len,
+                         write_ok?'w':'o');
+bail:
+        return ret;
+}
+
 static int mmap_ureg(struct vm_area_struct *vma, struct ipath_devdata *dd,
                      u64 ureg)
 {
         unsigned long phys;
         int ret;
 
-        /* it's the real hardware, so io_remap works */
-
+        /*
+         * This is real hardware, so use io_remap.  This is the mechanism
+         * for the user process to update the head registers for their port
+         * in the chip.
+         */
         if ((vma->vm_end - vma->vm_start) > PAGE_SIZE) {
                 dev_info(&dd->pcidev->dev, "FAIL mmap userreg: reqlen "
                          "%lx > PAGE\n", vma->vm_end - vma->vm_start);
@@ -967,10 +964,11 @@ static int mmap_piobufs(struct vm_area_struct *vma,
         int ret;
 
         /*
-         * When we map the PIO buffers, we want to map them as writeonly, no
-         * read possible.
+         * When we map the PIO buffers in the chip, we want to map them as
+         * writeonly, no read possible.   This prevents access to previous
+         * process data, and catches users who might try to read the i/o
+         * space due to a bug.
          */
-
         if ((vma->vm_end - vma->vm_start) >
             (dd->ipath_pbufsport * dd->ipath_palign)) {
                 dev_info(&dd->pcidev->dev, "FAIL mmap piobufs: "
@@ -981,11 +979,10 @@ static int mmap_piobufs(struct vm_area_struct *vma,
         }
 
         phys = dd->ipath_physaddr + pd->port_piobufs;
+
         /*
-         * Do *NOT* mark this as non-cached (PWT bit), or we don't get the
+         * Don't mark this as non-cached, or we don't get the
          * write combining behavior we want on the PIO buffers!
-         * vma->vm_page_prot =
-         *        pgprot_noncached(vma->vm_page_prot);
          */
 
         if (vma->vm_flags & VM_READ) {
@@ -997,8 +994,7 @@ static int mmap_piobufs(struct vm_area_struct *vma,
         }
 
         /* don't allow them to later change to readable with mprotect */
-
-        vma->vm_flags &= ~VM_MAYWRITE;
+        vma->vm_flags &= ~VM_MAYREAD;
         vma->vm_flags |= VM_DONTCOPY | VM_DONTEXPAND;
 
         ret = io_remap_pfn_range(vma, vma->vm_start, phys >> PAGE_SHIFT,
@@ -1017,11 +1013,6 @@ static int mmap_rcvegrbufs(struct vm_area_struct *vma,
         dma_addr_t *phys;
         int ret;
 
-        if (!pd->port_rcvegrbuf) {
-                ret = -EFAULT;
-                goto bail;
-        }
-
         size = pd->port_rcvegrbuf_size;
         total_size = pd->port_rcvegrbuf_chunks * size;
         if ((vma->vm_end - vma->vm_start) > total_size) {
@@ -1039,13 +1030,12 @@ static int mmap_rcvegrbufs(struct vm_area_struct *vma,
                 ret = -EPERM;
                 goto bail;
         }
+        /* don't allow them to later change to writeable with mprotect */
+        vma->vm_flags &= ~VM_MAYWRITE;
 
         start = vma->vm_start;
         phys = pd->port_rcvegrbuf_phys;
 
-        /* don't allow them to later change to writeable with mprotect */
-        vma->vm_flags &= ~VM_MAYWRITE;
-
         for (i = 0; i < pd->port_rcvegrbuf_chunks; i++, start += size) {
                 ret = remap_pfn_range(vma, start, phys[i] >> PAGE_SHIFT,
                                       size, vma->vm_page_prot);
@@ -1058,78 +1048,6 @@ bail:
         return ret;
 }
 
-static int mmap_rcvhdrq(struct vm_area_struct *vma,
-                        struct ipath_portdata *pd)
-{
-        struct ipath_devdata *dd = pd->port_dd;
-        size_t total_size;
-        int ret;
-
-        /*
-         * kmalloc'ed memory, physically contiguous; this is from
-         * spi_rcvhdr_base; we allow user to map read-write so they can
-         * write hdrq entries to allow protocol code to directly poll
-         * whether a hdrq entry has been written.
-         */
-        total_size = ALIGN(dd->ipath_rcvhdrcnt * dd->ipath_rcvhdrentsize *
-                           sizeof(u32), PAGE_SIZE);
-        if ((vma->vm_end - vma->vm_start) > total_size) {
-                dev_info(&dd->pcidev->dev,
-                         "FAIL on rcvhdrq: reqlen %lx > actual %lx\n",
-                         vma->vm_end - vma->vm_start,
-                         (unsigned long) total_size);
-                ret = -EFAULT;
-                goto bail;
-        }
-
-        ret = remap_pfn_range(vma, vma->vm_start,
-                              pd->port_rcvhdrq_phys >> PAGE_SHIFT,
-                              vma->vm_end - vma->vm_start,
-                              vma->vm_page_prot);
-bail:
-        return ret;
-}
-
-static int mmap_pioavailregs(struct vm_area_struct *vma,
-                             struct ipath_portdata *pd)
-{
-        struct ipath_devdata *dd = pd->port_dd;
-        int ret;
-
-        /*
-         * when we map the PIO bufferavail registers, we want to map them as
-         * readonly, no write possible.
-         *
-         * kmalloc'ed memory, physically contiguous, one page only, readonly
-         */
-
-        if ((vma->vm_end - vma->vm_start) > PAGE_SIZE) {
-                dev_info(&dd->pcidev->dev, "FAIL on pioavailregs_dma: "
-                         "reqlen %lx > actual %lx\n",
-                         vma->vm_end - vma->vm_start,
-                         (unsigned long) PAGE_SIZE);
-                ret = -EFAULT;
-                goto bail;
-        }
-
-        if (vma->vm_flags & VM_WRITE) {
-                dev_info(&dd->pcidev->dev,
-                         "Can't map pioavailregs as writable (flags=%lx)\n",
-                         vma->vm_flags);
-                ret = -EPERM;
-                goto bail;
-        }
-
-        /* don't allow them to later change with mprotect */
-        vma->vm_flags &= ~VM_MAYWRITE;
-
-        ret = remap_pfn_range(vma, vma->vm_start,
-                              dd->ipath_pioavailregs_phys >> PAGE_SHIFT,
-                              PAGE_SIZE, vma->vm_page_prot);
-bail:
-        return ret;
-}
-
 /**
  * ipath_mmap - mmap various structures into user space
  * @fp: the file pointer
@@ -1149,6 +1067,7 @@ static int ipath_mmap(struct file *fp, struct vm_area_struct *vma)
 
         pd = port_fp(fp);
         dd = pd->port_dd;
+
         /*
          * This is the ipath_do_user_init() code, mapping the shared buffers
          * into the user process. The address referred to by vm_pgoff is the
@@ -1158,28 +1077,59 @@ static int ipath_mmap(struct file *fp, struct vm_area_struct *vma)
         pgaddr = vma->vm_pgoff << PAGE_SHIFT;
 
         /*
-         * note that ureg does *NOT* have the kregvirt as part of it, to be
-         * sure that for 32 bit programs, we don't end up trying to map a >
-         * 44 address.  Has to match ipath_get_base_info() code that sets
-         * __spi_uregbase
+         * Must fit in 40 bits for our hardware; some checked elsewhere,
+         * but we'll be paranoid.  Check for 0 is mostly in case one of the
+         * allocations failed, but user called mmap anyway.   We want to catch
+         * that before it can match.
          */
+        if (!pgaddr || pgaddr >= (1ULL<<40))  {
+                ipath_dev_err(dd, "Bad phys addr %llx, start %lx, end %lx\n",
+                        (unsigned long long)pgaddr, vma->vm_start, vma->vm_end);
+                return -EINVAL;
+        }
 
+        /* just the offset of the port user registers, not physical addr */
         ureg = dd->ipath_uregbase + dd->ipath_palign * pd->port_port;
 
         ipath_cdbg(MM, "ushare: pgaddr %llx vm_start=%lx, vmlen %lx\n",
                    (unsigned long long) pgaddr, vma->vm_start,
                    vma->vm_end - vma->vm_start);
 
-        if (pgaddr == ureg)
+        if (vma->vm_start & (PAGE_SIZE-1)) {
+                ipath_dev_err(dd,
+                        "vm_start not aligned: %lx, end=%lx phys %lx\n",
+                        vma->vm_start, vma->vm_end, (unsigned long)pgaddr);
+                ret = -EINVAL;
+        }
+        else if (pgaddr == ureg)
                 ret = mmap_ureg(vma, dd, ureg);
         else if (pgaddr == pd->port_piobufs)
                 ret = mmap_piobufs(vma, dd, pd);
         else if (pgaddr == (u64) pd->port_rcvegr_phys)
                 ret = mmap_rcvegrbufs(vma, pd);
-        else if (pgaddr == (u64) pd->port_rcvhdrq_phys)
-                ret = mmap_rcvhdrq(vma, pd);
+        else if (pgaddr == (u64) pd->port_rcvhdrq_phys) {
+                /*
+                 * The rcvhdrq itself; readonly except on HT-400 (so have
+                 * to allow writable mapping), multiple pages, contiguous
+                 * from an i/o perspective.
+                 */
+                unsigned total_size =
+                        ALIGN(dd->ipath_rcvhdrcnt * dd->ipath_rcvhdrentsize
+                           * sizeof(u32), PAGE_SIZE);
+                ret = ipath_mmap_mem(vma, pd, total_size, 1,
+                                     pd->port_rcvhdrq_phys,
+                                     "rcvhdrq");
+        }
+        else if (pgaddr == (u64)pd->port_rcvhdrqtailaddr_phys)
+                /* in-memory copy of rcvhdrq tail register */
+                ret = ipath_mmap_mem(vma, pd, PAGE_SIZE, 0,
+                                     pd->port_rcvhdrqtailaddr_phys,
+                                     "rcvhdrq tail");
         else if (pgaddr == dd->ipath_pioavailregs_phys)
-                ret = mmap_pioavailregs(vma, pd);
+                /* in-memory copy of pioavail registers */
+                ret = ipath_mmap_mem(vma, pd, PAGE_SIZE, 0,
+                                     dd->ipath_pioavailregs_phys,
+                                     "pioavail registers");
         else
                 ret = -EINVAL;
 
@@ -1442,16 +1392,16 @@ done:
 
 static int ipath_open(struct inode *in, struct file *fp)
 {
-        int ret, minor;
+        int ret, user_minor;
 
         mutex_lock(&ipath_mutex);
 
-        minor = iminor(in);
+        user_minor = iminor(in) - IPATH_USER_MINOR_BASE;
         ipath_cdbg(VERBOSE, "open on dev %lx (minor %d)\n",
-                   (long)in->i_rdev, minor);
+                   (long)in->i_rdev, user_minor);
 
-        if (minor)
-                ret = find_free_port(minor - 1, fp);
+        if (user_minor)
+                ret = find_free_port(user_minor - 1, fp);
         else
                 ret = find_best_unit(fp);
 
@@ -1536,53 +1486,54 @@ static int ipath_close(struct inode *in, struct file *fp)
         }
 
         if (dd->ipath_kregbase) {
-                if (pd->port_rcvhdrtail_uaddr) {
-                        pd->port_rcvhdrtail_uaddr = 0;
-                        pd->port_rcvhdrtail_kvaddr = NULL;
-                        ipath_release_user_pages_on_close(
-                                &pd->port_rcvhdrtail_pagep, 1);
-                        pd->port_rcvhdrtail_pagep = NULL;
-                        ipath_stats.sps_pageunlocks++;
-                }
-                ipath_write_kreg_port(
-                        dd, dd->ipath_kregs->kr_rcvhdrtailaddr,
-                        port, 0ULL);
-                ipath_write_kreg_port(
-                        dd, dd->ipath_kregs->kr_rcvhdraddr,
-                        pd->port_port, 0);
+                int i;
+                /* atomically clear receive enable port. */
+                clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + port,
+                          &dd->ipath_rcvctrl);
+                ipath_write_kreg( dd, dd->ipath_kregs->kr_rcvctrl,
+                        dd->ipath_rcvctrl);
+                /* and read back from chip to be sure that nothing
+                 * else is in flight when we do the rest */
+                (void)ipath_read_kreg64(dd, dd->ipath_kregs->kr_scratch);
 
                 /* clean up the pkeys for this port user */
                 ipath_clean_part_key(pd, dd);
 
-                if (port < dd->ipath_cfgports) {
-                        int i = dd->ipath_pbufsport * (port - 1);
-                        ipath_disarm_piobufs(dd, i, dd->ipath_pbufsport);
 
-                        /* atomically clear receive enable port. */
-                        clear_bit(INFINIPATH_R_PORTENABLE_SHIFT + port,
-                                  &dd->ipath_rcvctrl);
-                        ipath_write_kreg(
-                                dd,
-                                dd->ipath_kregs->kr_rcvctrl,
-                                dd->ipath_rcvctrl);
-
-                        if (dd->ipath_pageshadow)
-                                unlock_expected_tids(pd);
-                        ipath_stats.sps_ports--;
-                        ipath_cdbg(PROC, "%s[%u] closed port %u:%u\n",
-                                   pd->port_comm, pd->port_pid,
-                                   dd->ipath_unit, port);
-                }
+                /*
+                 * be paranoid, and never write 0's to these, just use an
+                 * unused part of the port 0 tail page.  Of course,
+                 * rcvhdraddr points to a large chunk of memory, so this
+                 * could still trash things, but at least it won't trash
+                 * page 0, and by disabling the port, it should stop "soon",
+                 * even if a packet or two is in already in flight after we
+                 * disabled the port.
+                 */
+                ipath_write_kreg_port(dd,
+                        dd->ipath_kregs->kr_rcvhdrtailaddr, port,
+                        dd->ipath_dummy_hdrq_phys);
+                ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdraddr,
+                        pd->port_port, dd->ipath_dummy_hdrq_phys);
+
+                i = dd->ipath_pbufsport * (port - 1);
+                ipath_disarm_piobufs(dd, i, dd->ipath_pbufsport);
+
+                if (dd->ipath_pageshadow)
+                        unlock_expected_tids(pd);
+                ipath_stats.sps_ports--;
+                ipath_cdbg(PROC, "%s[%u] closed port %u:%u\n",
+                           pd->port_comm, pd->port_pid,
+                           dd->ipath_unit, port);
+
+                dd->ipath_f_clear_tids(dd, pd->port_port);
         }
 
         pd->port_cnt = 0;
         pd->port_pid = 0;
 
-        dd->ipath_f_clear_tids(dd, pd->port_port);
-
-        ipath_free_pddata(dd, pd->port_port, 0);
-
+        dd->ipath_pd[pd->port_port] = NULL; /* before releasing mutex */
         mutex_unlock(&ipath_mutex);
+        ipath_free_pddata(dd, pd); /* after releasing the mutex */
 
         return ret;
 }
@@ -1859,19 +1810,12 @@ int ipath_user_add(struct ipath_devdata *dd)
                                       "error %d\n", -ret);
                         goto bail;
                 }
-                ret = ipath_diag_init();
-                if (ret < 0) {
-                        ipath_dev_err(dd, "Unable to set up diag support: "
-                                      "error %d\n", -ret);
-                        goto bail_sma;
-                }
-
                 ret = init_cdev(0, "ipath", &ipath_file_ops, &wildcard_cdev,
                                 &wildcard_class_dev);
                 if (ret < 0) {
                         ipath_dev_err(dd, "Could not create wildcard "
                                       "minor: error %d\n", -ret);
-                        goto bail_diag;
+                        goto bail_sma;
                 }
 
                 atomic_set(&user_setup, 1);
@@ -1880,31 +1824,28 @@ int ipath_user_add(struct ipath_devdata *dd)
         snprintf(name, sizeof(name), "ipath%d", dd->ipath_unit);
 
         ret = init_cdev(dd->ipath_unit + 1, name, &ipath_file_ops,
-                        &dd->cdev, &dd->class_dev);
+                        &dd->user_cdev, &dd->user_class_dev);
         if (ret < 0)
                 ipath_dev_err(dd, "Could not create user minor %d, %s\n",
                               dd->ipath_unit + 1, name);
 
         goto bail;
 
-bail_diag:
-        ipath_diag_cleanup();
 bail_sma:
         user_cleanup();
 bail:
         return ret;
 }
 
-void ipath_user_del(struct ipath_devdata *dd)
+void ipath_user_remove(struct ipath_devdata *dd)
 {
-        cleanup_cdev(&dd->cdev, &dd->class_dev);
+        cleanup_cdev(&dd->user_cdev, &dd->user_class_dev);
 
         if (atomic_dec_return(&user_count) == 0) {
                 if (atomic_read(&user_setup) == 0)
                         goto bail;
 
                 cleanup_cdev(&wildcard_cdev, &wildcard_class_dev);
-                ipath_diag_cleanup();
                 user_cleanup();
 
                 atomic_set(&user_setup, 0);
@@ -1912,3 +1853,4 @@ void ipath_user_del(struct ipath_devdata *dd)
 bail:
         return;
 }
+
diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 97f142c5be13..0936d8e8d704 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/hw/ipath/ipath_ht400.c b/drivers/infiniband/hw/ipath/ipath_ht400.c
index fac0a2b74de2..3db015da6e77 100644
--- a/drivers/infiniband/hw/ipath/ipath_ht400.c
+++ b/drivers/infiniband/hw/ipath/ipath_ht400.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -1572,7 +1573,6 @@ void ipath_init_ht400_funcs(struct ipath_devdata *dd)
         dd->ipath_f_reset = ipath_setup_ht_reset;
         dd->ipath_f_get_boardname = ipath_ht_boardname;
         dd->ipath_f_init_hwerrors = ipath_ht_init_hwerrors;
-        dd->ipath_f_init_hwerrors = ipath_ht_init_hwerrors;
         dd->ipath_f_early_init = ipath_ht_early_init;
         dd->ipath_f_handle_hwerrors = ipath_ht_handle_hwerrors;
         dd->ipath_f_quiet_serdes = ipath_ht_quiet_serdes;
diff --git a/drivers/infiniband/hw/ipath/ipath_init_chip.c b/drivers/infiniband/hw/ipath/ipath_init_chip.c
index dc83250d26a6..414cdd1d80a6 100644
--- a/drivers/infiniband/hw/ipath/ipath_init_chip.c
+++ b/drivers/infiniband/hw/ipath/ipath_init_chip.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -35,7 +36,7 @@
 #include <linux/vmalloc.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 /*
  * min buffers we want to have per port, after driver
@@ -114,6 +115,7 @@ static int create_port0_egr(struct ipath_devdata *dd)
                                       "eager TID %u\n", e);
                         while (e != 0)
                                 dev_kfree_skb(skbs[--e]);
+                        vfree(skbs);
                         ret = -ENOMEM;
                         goto bail;
                 }
@@ -275,7 +277,7 @@ static int init_chip_first(struct ipath_devdata *dd,
         pd->port_port = 0;
         pd->port_cnt = 1;
         /* The port 0 pkey table is used by the layer interface. */
-        pd->port_pkeys[0] = IPS_DEFAULT_P_KEY;
+        pd->port_pkeys[0] = IPATH_DEFAULT_P_KEY;
         dd->ipath_rcvtidcnt =
                 ipath_read_kreg32(dd, dd->ipath_kregs->kr_rcvtidcnt);
         dd->ipath_rcvtidbase =
@@ -409,17 +411,8 @@ static int init_pioavailregs(struct ipath_devdata *dd)
         /* and its length */
         dd->ipath_freezelen = L1_CACHE_BYTES - sizeof(dd->ipath_statusp[0]);
 
-        if (dd->ipath_unit * 64 > (IPATH_PORT0_RCVHDRTAIL_SIZE - 64)) {
-                ipath_dev_err(dd, "unit %u too large for port 0 "
-                              "rcvhdrtail buffer size\n", dd->ipath_unit);
-                ret = -ENODEV;
-        }
-        else
-                ret = 0;
+        ret = 0;
 
-        /* so we can get current tail in ipath_kreceive(), per chip */
-        dd->ipath_hdrqtailptr = &ipath_port0_rcvhdrtail[
-                dd->ipath_unit * (64 / sizeof(*ipath_port0_rcvhdrtail))];
 done:
         return ret;
 }
@@ -652,8 +645,9 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
 {
         int ret = 0, i;
         u32 val32, kpiobufs;
-        u64 val, atmp;
+        u64 val;
         struct ipath_portdata *pd = NULL; /* keep gcc4 happy */
+        gfp_t gfp_flags = GFP_USER | __GFP_COMP;
 
         ret = init_housekeeping(dd, &pd, reinit);
         if (ret)
@@ -775,24 +769,6 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
                 goto done;
         }
 
-        val = ipath_port0_rcvhdrtail_dma + dd->ipath_unit * 64;
-
-        /* verify that the alignment requirement was met */
-        ipath_write_kreg_port(dd, dd->ipath_kregs->kr_rcvhdrtailaddr,
-                              0, val);
-        atmp = ipath_read_kreg64_port(
-                dd, dd->ipath_kregs->kr_rcvhdrtailaddr, 0);
-        if (val != atmp) {
-                ipath_dev_err(dd, "Catastrophic software error, "
-                              "RcvHdrTailAddr0 written as %llx, "
-                              "read back as %llx from %x\n",
-                              (unsigned long long) val,
-                              (unsigned long long) atmp,
-                              dd->ipath_kregs->kr_rcvhdrtailaddr);
-                ret = -EINVAL;
-                goto done;
-        }
-
         ipath_write_kreg(dd, dd->ipath_kregs->kr_rcvbthqp, IPATH_KD_QP);
 
         /*
@@ -836,25 +812,45 @@ int ipath_init_chip(struct ipath_devdata *dd, int reinit)
         /* clear any interrups up to this point (ints still not enabled) */
         ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, -1LL);
 
-        ipath_stats.sps_lid[dd->ipath_unit] = dd->ipath_lid;
-
         /*
          * Set up the port 0 (kernel) rcvhdr q and egr TIDs.  If doing
          * re-init, the simplest way to handle this is to free
          * existing, and re-allocate.
          */
-        if (reinit)
-                ipath_free_pddata(dd, 0, 0);
+        if (reinit) {
+                struct ipath_portdata *pd = dd->ipath_pd[0];
+                dd->ipath_pd[0] = NULL;
+                ipath_free_pddata(dd, pd);
+        }
         dd->ipath_f_tidtemplate(dd);
         ret = ipath_create_rcvhdrq(dd, pd);
-        if (!ret)
+        if (!ret) {
+                dd->ipath_hdrqtailptr =
+                        (volatile __le64 *)pd->port_rcvhdrtail_kvaddr;
                 ret = create_port0_egr(dd);
+        }
         if (ret)
                 ipath_dev_err(dd, "failed to allocate port 0 (kernel) "
                               "rcvhdrq and/or egr bufs\n");
         else
                 enable_chip(dd, pd, reinit);
 
+
+        if (!ret && !reinit) {
+            /* used when we close a port, for DMA already in flight at close */
+                dd->ipath_dummy_hdrq = dma_alloc_coherent(
+                        &dd->pcidev->dev, pd->port_rcvhdrq_size,
+                        &dd->ipath_dummy_hdrq_phys,
+                        gfp_flags);
+                if (!dd->ipath_dummy_hdrq ) {
+                        dev_info(&dd->pcidev->dev,
+                                "Couldn't allocate 0x%lx bytes for dummy hdrq\n",
+                                pd->port_rcvhdrq_size);
+                        /* fallback to just 0'ing */
+                        dd->ipath_dummy_hdrq_phys = 0UL;
+                }
+        }
+
         /*
          * cause retrigger of pending interrupts ignored during init,
          * even if we had errors
diff --git a/drivers/infiniband/hw/ipath/ipath_intr.c b/drivers/infiniband/hw/ipath/ipath_intr.c
index 5e31d0de849b..280e732660a1 100644
--- a/drivers/infiniband/hw/ipath/ipath_intr.c
+++ b/drivers/infiniband/hw/ipath/ipath_intr.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -33,9 +34,10 @@
 #include <linux/pci.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
+/* These are all rcv-related errors which we want to count for stats */
 #define E_SUM_PKTERRS \
         (INFINIPATH_E_RHDRLEN | INFINIPATH_E_RBADTID | \
          INFINIPATH_E_RBADVERSION | INFINIPATH_E_RHDR | \
@@ -44,6 +46,7 @@
          INFINIPATH_E_RFORMATERR | INFINIPATH_E_RUNSUPVL | \
          INFINIPATH_E_RUNEXPCHAR | INFINIPATH_E_REBP)
 
+/* These are all send-related errors which we want to count for stats */
 #define E_SUM_ERRS \
         (INFINIPATH_E_SPIOARMLAUNCH | INFINIPATH_E_SUNEXPERRPKTNUM | \
          INFINIPATH_E_SDROPPEDDATAPKT | INFINIPATH_E_SDROPPEDSMPPKT | \
@@ -51,6 +54,18 @@
          INFINIPATH_E_SMINPKTLEN | INFINIPATH_E_SPKTLEN | \
          INFINIPATH_E_INVALIDADDR)
 
+/*
+ * these are errors that can occur when the link changes state while
+ * a packet is being sent or received.  This doesn't cover things
+ * like EBP or VCRC that can be the result of a sending having the
+ * link change state, so we receive a "known bad" packet.
+ */
+#define E_SUM_LINK_PKTERRS \
+        (INFINIPATH_E_SDROPPEDDATAPKT | INFINIPATH_E_SDROPPEDSMPPKT | \
+         INFINIPATH_E_SMINPKTLEN | INFINIPATH_E_SPKTLEN | \
+         INFINIPATH_E_RSHORTPKTLEN | INFINIPATH_E_RMINPKTLEN | \
+         INFINIPATH_E_RUNEXPCHAR)
+
 static u64 handle_e_sum_errs(struct ipath_devdata *dd, ipath_err_t errs)
 {
         unsigned long sbuf[4];
@@ -100,9 +115,7 @@ static u64 handle_e_sum_errs(struct ipath_devdata *dd, ipath_err_t errs)
                 if (ipath_debug & __IPATH_PKTDBG)
                         printk("\n");
         }
-        if ((errs & (INFINIPATH_E_SDROPPEDDATAPKT |
-                     INFINIPATH_E_SDROPPEDSMPPKT |
-                     INFINIPATH_E_SMINPKTLEN)) &&
+        if ((errs & E_SUM_LINK_PKTERRS) &&
             !(dd->ipath_flags & IPATH_LINKACTIVE)) {
                 /*
                  * This can happen when SMA is trying to bring the link
@@ -111,11 +124,9 @@ static u64 handle_e_sum_errs(struct ipath_devdata *dd, ipath_err_t errs)
                  * valid.  We don't want to confuse people, so we just
                  * don't print them, except at debug
                  */
-                ipath_dbg("Ignoring pktsend errors %llx, because not "
-                          "yet active\n", (unsigned long long) errs);
-                ignore_this_time = INFINIPATH_E_SDROPPEDDATAPKT |
-                        INFINIPATH_E_SDROPPEDSMPPKT |
-                        INFINIPATH_E_SMINPKTLEN;
+                ipath_dbg("Ignoring packet errors %llx, because link not "
+                          "ACTIVE\n", (unsigned long long) errs);
+                ignore_this_time = errs & E_SUM_LINK_PKTERRS;
         }
 
         return ignore_this_time;
@@ -156,7 +167,29 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
          */
         val = ipath_read_kreg64(dd, dd->ipath_kregs->kr_ibcstatus);
         lstate = val & IPATH_IBSTATE_MASK;
-        if (lstate == IPATH_IBSTATE_INIT || lstate == IPATH_IBSTATE_ARM ||
+
+        /*
+         * this is confusing enough when it happens that I want to always put it
+         * on the console and in the logs.  If it was a requested state change,
+         * we'll have already cleared the flags, so we won't print this warning
+         */
+        if ((lstate != IPATH_IBSTATE_ARM && lstate != IPATH_IBSTATE_ACTIVE)
+                && (dd->ipath_flags & (IPATH_LINKARMED | IPATH_LINKACTIVE))) {
+                dev_info(&dd->pcidev->dev, "Link state changed from %s to %s\n",
+                                 (dd->ipath_flags & IPATH_LINKARMED) ? "ARM" : "ACTIVE",
+                                 ib_linkstate(lstate));
+                /*
+                 * Flush all queued sends when link went to DOWN or INIT,
+                 * to be sure that they don't block SMA and other MAD packets
+                 */
+                ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
+                                 INFINIPATH_S_ABORT);
+                ipath_disarm_piobufs(dd, dd->ipath_lastport_piobuf,
+                                                        (unsigned)(dd->ipath_piobcnt2k +
+                                        dd->ipath_piobcnt4k) -
+                                        dd->ipath_lastport_piobuf);
+        }
+        else if (lstate == IPATH_IBSTATE_INIT || lstate == IPATH_IBSTATE_ARM ||
             lstate == IPATH_IBSTATE_ACTIVE) {
                 /*
                  * only print at SMA if there is a change, debug if not
@@ -229,6 +262,7 @@ static void handle_e_ibstatuschanged(struct ipath_devdata *dd,
                                      | IPATH_LINKACTIVE |
                                      IPATH_LINKARMED);
                 *dd->ipath_statusp &= ~IPATH_STATUS_IB_READY;
+                dd->ipath_lli_counter = 0;
                 if (!noprint) {
                         if (((dd->ipath_lastibcstat >>
                               INFINIPATH_IBCS_LINKSTATE_SHIFT) &
@@ -350,7 +384,7 @@ static unsigned handle_frequent_errors(struct ipath_devdata *dd,
         return supp_msgs;
 }
 
-static void handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
+static int handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
 {
         char msg[512];
         u64 ignore_this_time = 0;
@@ -379,6 +413,19 @@ static void handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
 
         if (errs & E_SUM_ERRS)
                 ignore_this_time = handle_e_sum_errs(dd, errs);
+        else if ((errs & E_SUM_LINK_PKTERRS) &&
+            !(dd->ipath_flags & IPATH_LINKACTIVE)) {
+                /*
+                 * This can happen when SMA is trying to bring the link
+                 * up, but the IB link changes state at the "wrong" time.
+                 * The IB logic then complains that the packet isn't
+                 * valid.  We don't want to confuse people, so we just
+                 * don't print them, except at debug
+                 */
+                ipath_dbg("Ignoring packet errors %llx, because link not "
+                          "ACTIVE\n", (unsigned long long) errs);
+                ignore_this_time = errs & E_SUM_LINK_PKTERRS;
+        }
 
         if (supp_msgs == 250000) {
                 /*
@@ -434,7 +481,7 @@ static void handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
                           INFINIPATH_E_IBSTATUSCHANGED);
         }
         if (!errs)
-                return;
+                return 0;
 
         if (!noprint)
                 /*
@@ -493,10 +540,10 @@ static void handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
                                 continue;
                         if (hd == (tl + 1) ||
                             (!hd && tl == dd->ipath_hdrqlast)) {
-                                dd->ipath_lastrcvhdrqtails[i] = tl;
-                                pd->port_hdrqfull++;
                                 if (i == 0)
                                         chkerrpkts = 1;
+                                dd->ipath_lastrcvhdrqtails[i] = tl;
+                                pd->port_hdrqfull++;
                         }
                 }
         }
@@ -558,9 +605,7 @@ static void handle_errors(struct ipath_devdata *dd, ipath_err_t errs)
                 wake_up_interruptible(&ipath_sma_state_wait);
         }
 
-        if (chkerrpkts)
-                /* process possible error packets in hdrq */
-                ipath_kreceive(dd);
+        return chkerrpkts;
 }
 
 /* this is separate to allow for better optimization of ipath_intr() */
@@ -678,7 +723,12 @@ set:
                          dd->ipath_sendctrl);
 }
 
-static void handle_rcv(struct ipath_devdata *dd, u32 istat)
+/*
+ * Handle receive interrupts for user ports; this means a user
+ * process was waiting for a packet to arrive, and didn't want
+ * to poll
+ */
+static void handle_urcv(struct ipath_devdata *dd, u32 istat)
 {
         u64 portr;
         int i;
@@ -688,22 +738,17 @@ static void handle_rcv(struct ipath_devdata *dd, u32 istat)
                  infinipath_i_rcvavail_mask)
                 | ((istat >> INFINIPATH_I_RCVURG_SHIFT) &
                    infinipath_i_rcvurg_mask);
-        for (i = 0; i < dd->ipath_cfgports; i++) {
+        for (i = 1; i < dd->ipath_cfgports; i++) {
                 struct ipath_portdata *pd = dd->ipath_pd[i];
-                if (portr & (1 << i) && pd &&
-                    pd->port_cnt) {
-                        if (i == 0)
-                                ipath_kreceive(dd);
-                        else if (test_bit(IPATH_PORT_WAITING_RCV,
-                                          &pd->port_flag)) {
-                                int rcbit;
-                                clear_bit(IPATH_PORT_WAITING_RCV,
-                                          &pd->port_flag);
-                                rcbit = i + INFINIPATH_R_INTRAVAIL_SHIFT;
-                                clear_bit(1UL << rcbit, &dd->ipath_rcvctrl);
-                                wake_up_interruptible(&pd->port_wait);
-                                rcvdint = 1;
-                        }
+                if (portr & (1 << i) && pd && pd->port_cnt &&
+                        test_bit(IPATH_PORT_WAITING_RCV, &pd->port_flag)) {
+                        int rcbit;
+                        clear_bit(IPATH_PORT_WAITING_RCV,
+                                  &pd->port_flag);
+                        rcbit = i + INFINIPATH_R_INTRAVAIL_SHIFT;
+                        clear_bit(1UL << rcbit, &dd->ipath_rcvctrl);
+                        wake_up_interruptible(&pd->port_wait);
+                        rcvdint = 1;
                 }
         }
         if (rcvdint) {
@@ -719,16 +764,19 @@ static void handle_rcv(struct ipath_devdata *dd, u32 istat)
 irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
 {
         struct ipath_devdata *dd = data;
-        u32 istat;
+        u32 istat, chk0rcv = 0;
         ipath_err_t estat = 0;
-        static unsigned unexpected = 0;
         irqreturn_t ret;
+        u32 oldhead, curtail;
+        static unsigned unexpected = 0;
+        static const u32 port0rbits = (1U<<INFINIPATH_I_RCVAVAIL_SHIFT) |
+                 (1U<<INFINIPATH_I_RCVURG_SHIFT);
+
+        ipath_stats.sps_ints++;
 
-        if(!(dd->ipath_flags & IPATH_PRESENT)) {
-                /* this is mostly so we don't try to touch the chip while
-                 * it is being reset */
+        if (!(dd->ipath_flags & IPATH_PRESENT)) {
                 /*
-                 * This return value is perhaps odd, but we do not want the
+                 * This return value is not great, but we do not want the
                  * interrupt core code to remove our interrupt handler
                  * because we don't appear to be handling an interrupt
                  * during a chip reset.
@@ -736,7 +784,51 @@ irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
                 return IRQ_HANDLED;
         }
 
+        /*
+         * this needs to be flags&initted, not statusp, so we keep
+         * taking interrupts even after link goes down, etc.
+         * Also, we *must* clear the interrupt at some point, or we won't
+         * take it again, which can be real bad for errors, etc...
+         */
+
+        if (!(dd->ipath_flags & IPATH_INITTED)) {
+                ipath_bad_intr(dd, &unexpected);
+                ret = IRQ_NONE;
+                goto bail;
+        }
+
+        /*
+         * We try to avoid reading the interrupt status register, since
+         * that's a PIO read, and stalls the processor for up to about
+         * ~0.25 usec. The idea is that if we processed a port0 packet,
+         * we blindly clear the  port 0 receive interrupt bits, and nothing
+         * else, then return.  If other interrupts are pending, the chip
+         * will re-interrupt us as soon as we write the intclear register.
+         * We then won't process any more kernel packets (if not the 2nd
+         * time, then the 3rd or 4th) and we'll then handle the other
+         * interrupts.   We clear the interrupts first so that we don't
+         * lose intr for later packets that arrive while we are processing.
+         */
+        oldhead = dd->ipath_port0head;
+        curtail = (u32)le64_to_cpu(*dd->ipath_hdrqtailptr);
+        if (oldhead != curtail) {
+                if (dd->ipath_flags & IPATH_GPIO_INTR) {
+                        ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_clear,
+                                         (u64) (1 << 2));
+                        istat = port0rbits | INFINIPATH_I_GPIO;
+                }
+                else
+                        istat = port0rbits;
+                ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, istat);
+                ipath_kreceive(dd);
+                if (oldhead != dd->ipath_port0head) {
+                        ipath_stats.sps_fastrcvint++;
+                        goto done;
+                }
+        }
+
         istat = ipath_read_kreg32(dd, dd->ipath_kregs->kr_intstatus);
+
         if (unlikely(!istat)) {
                 ipath_stats.sps_nullintr++;
                 ret = IRQ_NONE; /* not our interrupt, or already handled */
@@ -749,31 +841,17 @@ irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
                 goto bail;
         }
 
-        ipath_stats.sps_ints++;
-
-        /*
-         * this needs to be flags&initted, not statusp, so we keep
-         * taking interrupts even after link goes down, etc.
-         * Also, we *must* clear the interrupt at some point, or we won't
-         * take it again, which can be real bad for errors, etc...
-         */
-
-        if (!(dd->ipath_flags & IPATH_INITTED)) {
-                ipath_bad_intr(dd, &unexpected);
-                ret = IRQ_NONE;
-                goto bail;
-        }
         if (unexpected)
                 unexpected = 0;
 
-        ipath_cdbg(VERBOSE, "intr stat=0x%x\n", istat);
-
-        if (istat & ~infinipath_i_bitsextant)
+        if (unlikely(istat & ~infinipath_i_bitsextant))
                 ipath_dev_err(dd,
                               "interrupt with unknown interrupts %x set\n",
                               istat & (u32) ~ infinipath_i_bitsextant);
+        else
+                ipath_cdbg(VERBOSE, "intr stat=0x%x\n", istat);
 
-        if (istat & INFINIPATH_I_ERROR) {
+        if (unlikely(istat & INFINIPATH_I_ERROR)) {
                 ipath_stats.sps_errints++;
                 estat = ipath_read_kreg64(dd,
                                           dd->ipath_kregs->kr_errorstatus);
@@ -788,10 +866,18 @@ irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
                         ipath_dev_err(dd, "Read of error status failed "
                                       "(all bits set); ignoring\n");
                 else
-                        handle_errors(dd, estat);
+                        if (handle_errors(dd, estat))
+                                /* force calling ipath_kreceive() */
+                                chk0rcv = 1;
         }
 
         if (istat & INFINIPATH_I_GPIO) {
+                /*
+                 * Packets are available in the port 0 rcv queue.
+                 * Eventually this needs to be generalized to check
+                 * IPATH_GPIO_INTR, and the specific GPIO bit, if
+                 * GPIO interrupts are used for anything else.
+                 */
                 if (unlikely(!(dd->ipath_flags & IPATH_GPIO_INTR))) {
                         u32 gpiostatus;
                         gpiostatus = ipath_read_kreg32(
@@ -804,27 +890,39 @@ irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
                 else {
                         /* Clear GPIO status bit 2 */
                         ipath_write_kreg(dd, dd->ipath_kregs->kr_gpio_clear,
-                                         (u64) (1 << 2));
-
-                        /*
-                         * Packets are available in the port 0 rcv queue.
-                         * Eventually this needs to be generalized to check
-                         * IPATH_GPIO_INTR, and the specific GPIO bit, if
-                         * GPIO interrupts are used for anything else.
-                         */
-                        ipath_kreceive(dd);
+                                        (u64) (1 << 2));
+                        chk0rcv = 1;
                 }
         }
+        chk0rcv |= istat & port0rbits;
 
         /*
-         * clear the ones we will deal with on this round
-         * We clear it early, mostly for receive interrupts, so we
-         * know the chip will have seen this by the time we process
-         * the queue, and will re-interrupt if necessary.  The processor
-         * itself won't take the interrupt again until we return.
+         * Clear the interrupt bits we found set, unless they are receive
+         * related, in which case we already cleared them above, and don't
+         * want to clear them again, because we might lose an interrupt.
+         * Clear it early, so we "know" know the chip will have seen this by
+         * the time we process the queue, and will re-interrupt if necessary.
+         * The processor itself won't take the interrupt again until we return.
          */
         ipath_write_kreg(dd, dd->ipath_kregs->kr_intclear, istat);
 
+        /*
+         * handle port0 receive  before checking for pio buffers available,
+         * since receives can overflow; piobuf waiters can afford a few
+         * extra cycles, since they were waiting anyway, and user's waiting
+         * for receive are at the bottom.
+         */
+        if (chk0rcv) {
+                ipath_kreceive(dd);
+                istat &= ~port0rbits;
+        }
+
+        if (istat & ((infinipath_i_rcvavail_mask <<
+                      INFINIPATH_I_RCVAVAIL_SHIFT)
+                     | (infinipath_i_rcvurg_mask <<
+                        INFINIPATH_I_RCVURG_SHIFT)))
+                handle_urcv(dd, istat);
+
         if (istat & INFINIPATH_I_SPIOBUFAVAIL) {
                 clear_bit(IPATH_S_PIOINTBUFAVAIL, &dd->ipath_sendctrl);
                 ipath_write_kreg(dd, dd->ipath_kregs->kr_sendctrl,
@@ -836,17 +934,7 @@ irqreturn_t ipath_intr(int irq, void *data, struct pt_regs *regs)
                 handle_layer_pioavail(dd);
         }
 
-        /*
-         * we check for both transition from empty to non-empty, and urgent
-         * packets (those with the interrupt bit set in the header)
-         */
-
-        if (istat & ((infinipath_i_rcvavail_mask <<
-                      INFINIPATH_I_RCVAVAIL_SHIFT)
-                     | (infinipath_i_rcvurg_mask <<
-                        INFINIPATH_I_RCVURG_SHIFT)))
-                handle_rcv(dd, istat);
-
+done:
         ret = IRQ_HANDLED;
 
 bail:
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 5d92d57b6f54..e9f374fb641e 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -1,6 +1,7 @@
 #ifndef _IPATH_KERNEL_H
 #define _IPATH_KERNEL_H
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -61,9 +62,7 @@ struct ipath_portdata {
         /* rcvhdrq base, needs mmap before useful */
         void *port_rcvhdrq;
         /* kernel virtual address where hdrqtail is updated */
-        u64 *port_rcvhdrtail_kvaddr;
-        /* page * used for uaddr */
-        struct page *port_rcvhdrtail_pagep;
+        volatile __le64 *port_rcvhdrtail_kvaddr;
         /*
          * temp buffer for expected send setup, allocated at open, instead
          * of each setup call
@@ -78,11 +77,7 @@ struct ipath_portdata {
         dma_addr_t port_rcvegr_phys;
         /* mmap of hdrq, must fit in 44 bits */
         dma_addr_t port_rcvhdrq_phys;
-        /*
-         * the actual user address that we ipath_mlock'ed, so we can
-         * ipath_munlock it at close
-         */
-        unsigned long port_rcvhdrtail_uaddr;
+        dma_addr_t port_rcvhdrqtailaddr_phys;
         /*
          * number of opens on this instance (0 or 1; ignoring forks, dup,
          * etc. for now)
@@ -158,16 +153,10 @@ struct ipath_devdata {
         /* base of memory alloced for ipath_kregbase, for free */
         u64 *ipath_kregalloc;
         /*
-         * version of kregbase that doesn't have high bits set (for 32 bit
-         * programs, so mmap64 44 bit works)
-         */
-        u64 __iomem *ipath_kregvirt;
-        /*
          * virtual address where port0 rcvhdrqtail updated for this unit.
          * only written to by the chip, not the driver.
          */
         volatile __le64 *ipath_hdrqtailptr;
-        dma_addr_t ipath_dma_addr;
         /* ipath_cfgports pointers */
         struct ipath_portdata **ipath_pd;
         /* sk_buffs used by port 0 eager receive queue */
@@ -354,13 +343,17 @@ struct ipath_devdata {
         char *ipath_freezemsg;
         /* pci access data structure */
         struct pci_dev *pcidev;
-        struct cdev *cdev;
-        struct class_device *class_dev;
+        struct cdev *user_cdev;
+        struct cdev *diag_cdev;
+        struct class_device *user_class_dev;
+        struct class_device *diag_class_dev;
         /* timer used to prevent stats overflow, error throttling, etc. */
         struct timer_list ipath_stats_timer;
         /* check for stale messages in rcv queue */
         /* only allow one intr at a time. */
         unsigned long ipath_rcv_pending;
+        void *ipath_dummy_hdrq; /* used after port close */
+        dma_addr_t ipath_dummy_hdrq_phys;
 
         /*
          * Shadow copies of registers; size indicates read access size.
@@ -500,8 +493,11 @@ struct ipath_devdata {
         u16 ipath_lid;
         /* list of pkeys programmed; 0 if not set */
         u16 ipath_pkeys[4];
-        /* ASCII serial number, from flash */
-        u8 ipath_serial[12];
+        /*
+         * ASCII serial number, from flash, large enough for original
+         * all digit strings, and longer QLogic serial number format
+         */
+        u8 ipath_serial[16];
         /* human readable board version */
         u8 ipath_boardversion[80];
         /* chip major rev, from ipath_revision */
@@ -516,12 +512,12 @@ struct ipath_devdata {
         u8 ipath_pci_cacheline;
         /* LID mask control */
         u8 ipath_lmc;
-};
-
-extern volatile __le64 *ipath_port0_rcvhdrtail;
-extern dma_addr_t ipath_port0_rcvhdrtail_dma;
 
-#define IPATH_PORT0_RCVHDRTAIL_SIZE PAGE_SIZE
+        /* local link integrity counter */
+        u32 ipath_lli_counter;
+        /* local link integrity errors */
+        u32 ipath_lli_errors;
+};
 
 extern struct list_head ipath_dev_list;
 extern spinlock_t ipath_devs_lock;
@@ -537,7 +533,7 @@ extern int __ipath_verbs_piobufavail(struct ipath_devdata *);
 extern int __ipath_verbs_rcv(struct ipath_devdata *, void *, void *, u32);
 
 void ipath_layer_add(struct ipath_devdata *);
-void ipath_layer_del(struct ipath_devdata *);
+void ipath_layer_remove(struct ipath_devdata *);
 
 int ipath_init_chip(struct ipath_devdata *, int);
 int ipath_enable_wc(struct ipath_devdata *dd);
@@ -551,14 +547,14 @@ int ipath_cdev_init(int minor, char *name, struct file_operations *fops,
 void ipath_cdev_cleanup(struct cdev **cdevp,
                         struct class_device **class_devp);
 
-int ipath_diag_init(void);
-void ipath_diag_cleanup(void);
+int ipath_diag_add(struct ipath_devdata *);
+void ipath_diag_remove(struct ipath_devdata *);
 void ipath_diag_bringup_link(struct ipath_devdata *);
 
 extern wait_queue_head_t ipath_sma_state_wait;
 
 int ipath_user_add(struct ipath_devdata *dd);
-void ipath_user_del(struct ipath_devdata *dd);
+void ipath_user_remove(struct ipath_devdata *dd);
 
 struct sk_buff *ipath_alloc_skb(struct ipath_devdata *dd, gfp_t);
 
@@ -582,7 +578,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *, unsigned first,
                           unsigned cnt);
 
 int ipath_create_rcvhdrq(struct ipath_devdata *, struct ipath_portdata *);
-void ipath_free_pddata(struct ipath_devdata *, u32, int);
+void ipath_free_pddata(struct ipath_devdata *, struct ipath_portdata *);
 
 int ipath_parse_ushort(const char *str, unsigned short *valp);
 
@@ -720,13 +716,8 @@ u64 ipath_read_kreg64_port(const struct ipath_devdata *, ipath_kreg,
  * @port: port number
  *
  * Return the contents of a register that is virtualized to be per port.
- * Prints a debug message and returns -1 on errors (not distinguishable from
- * valid contents at runtime; we may add a separate error variable at some
- * point).
- *
- * This is normally not used by the kernel, but may be for debugging, and
- * has a different implementation than user mode, which is why it's not in
- * _common.h.
+ * Returns -1 on errors (not distinguishable from valid contents at
+ * runtime; we may add a separate error variable at some point).
  */
 static inline u32 ipath_read_ureg32(const struct ipath_devdata *dd,
                                     ipath_ureg regno, int port)
@@ -842,9 +833,10 @@ extern struct mutex ipath_mutex;
 
 #define IPATH_DRV_NAME          "ipath_core"
 #define IPATH_MAJOR             233
+#define IPATH_USER_MINOR_BASE   0
 #define IPATH_SMA_MINOR         128
-#define IPATH_DIAG_MINOR        129
-#define IPATH_NMINORS           130
+#define IPATH_DIAG_MINOR_BASE   129
+#define IPATH_NMINORS           255
 
 #define ipath_dev_err(dd,fmt,...) \
         do { \
diff --git a/drivers/infiniband/hw/ipath/ipath_keys.c b/drivers/infiniband/hw/ipath/ipath_keys.c
index 5ae8761f9dd2..46773c673a1a 100644
--- a/drivers/infiniband/hw/ipath/ipath_keys.c
+++ b/drivers/infiniband/hw/ipath/ipath_keys.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -120,6 +121,7 @@ int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
                   struct ib_sge *sge, int acc)
 {
         struct ipath_mregion *mr;
+        unsigned n, m;
         size_t off;
         int ret;
 
@@ -151,20 +153,22 @@ int ipath_lkey_ok(struct ipath_lkey_table *rkt, struct ipath_sge *isge,
         }
 
         off += mr->offset;
-        isge->mr = mr;
-        isge->m = 0;
-        isge->n = 0;
-        while (off >= mr->map[isge->m]->segs[isge->n].length) {
-                off -= mr->map[isge->m]->segs[isge->n].length;
-                isge->n++;
-                if (isge->n >= IPATH_SEGSZ) {
-                        isge->m++;
-                        isge->n = 0;
+        m = 0;
+        n = 0;
+        while (off >= mr->map[m]->segs[n].length) {
+                off -= mr->map[m]->segs[n].length;
+                n++;
+                if (n >= IPATH_SEGSZ) {
+                        m++;
+                        n = 0;
                 }
         }
-        isge->vaddr = mr->map[isge->m]->segs[isge->n].vaddr + off;
-        isge->length = mr->map[isge->m]->segs[isge->n].length - off;
+        isge->mr = mr;
+        isge->vaddr = mr->map[m]->segs[n].vaddr + off;
+        isge->length = mr->map[m]->segs[n].length - off;
         isge->sge_length = sge->length;
+        isge->m = m;
+        isge->n = n;
 
         ret = 1;
 
@@ -189,6 +193,7 @@ int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
         struct ipath_lkey_table *rkt = &dev->lk_table;
         struct ipath_sge *sge = &ss->sge;
         struct ipath_mregion *mr;
+        unsigned n, m;
         size_t off;
         int ret;
 
@@ -206,20 +211,22 @@ int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
         }
 
         off += mr->offset;
-        sge->mr = mr;
-        sge->m = 0;
-        sge->n = 0;
-        while (off >= mr->map[sge->m]->segs[sge->n].length) {
-                off -= mr->map[sge->m]->segs[sge->n].length;
-                sge->n++;
-                if (sge->n >= IPATH_SEGSZ) {
-                        sge->m++;
-                        sge->n = 0;
+        m = 0;
+        n = 0;
+        while (off >= mr->map[m]->segs[n].length) {
+                off -= mr->map[m]->segs[n].length;
+                n++;
+                if (n >= IPATH_SEGSZ) {
+                        m++;
+                        n = 0;
                 }
         }
-        sge->vaddr = mr->map[sge->m]->segs[sge->n].vaddr + off;
-        sge->length = mr->map[sge->m]->segs[sge->n].length - off;
+        sge->mr = mr;
+        sge->vaddr = mr->map[m]->segs[n].vaddr + off;
+        sge->length = mr->map[m]->segs[n].length - off;
         sge->sge_length = len;
+        sge->m = m;
+        sge->n = n;
         ss->sg_list = NULL;
         ss->num_sge = 1;
 
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.c b/drivers/infiniband/hw/ipath/ipath_layer.c
index 9ec4ac77b87f..b28c6f81c731 100644
--- a/drivers/infiniband/hw/ipath/ipath_layer.c
+++ b/drivers/infiniband/hw/ipath/ipath_layer.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -40,8 +41,8 @@
 #include <asm/byteorder.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
 /* Acquire before ipath_devs_lock. */
 static DEFINE_MUTEX(ipath_layer_mutex);
@@ -299,9 +300,8 @@ bail:
 
 EXPORT_SYMBOL_GPL(ipath_layer_set_mtu);
 
-int ipath_set_sps_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
+int ipath_set_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
 {
-        ipath_stats.sps_lid[dd->ipath_unit] = arg;
         dd->ipath_lid = arg;
         dd->ipath_lmc = lmc;
 
@@ -315,7 +315,7 @@ int ipath_set_sps_lid(struct ipath_devdata *dd, u32 arg, u8 lmc)
         return 0;
 }
 
-EXPORT_SYMBOL_GPL(ipath_set_sps_lid);
+EXPORT_SYMBOL_GPL(ipath_set_lid);
 
 int ipath_layer_set_guid(struct ipath_devdata *dd, __be64 guid)
 {
@@ -340,18 +340,26 @@ u32 ipath_layer_get_nguid(struct ipath_devdata *dd)
 
 EXPORT_SYMBOL_GPL(ipath_layer_get_nguid);
 
-int ipath_layer_query_device(struct ipath_devdata *dd, u32 * vendor,
-                             u32 * boardrev, u32 * majrev, u32 * minrev)
+u32 ipath_layer_get_majrev(struct ipath_devdata *dd)
 {
-        *vendor = dd->ipath_vendorid;
-        *boardrev = dd->ipath_boardrev;
-        *majrev = dd->ipath_majrev;
-        *minrev = dd->ipath_minrev;
+        return dd->ipath_majrev;
+}
 
-        return 0;
+EXPORT_SYMBOL_GPL(ipath_layer_get_majrev);
+
+u32 ipath_layer_get_minrev(struct ipath_devdata *dd)
+{
+        return dd->ipath_minrev;
+}
+
+EXPORT_SYMBOL_GPL(ipath_layer_get_minrev);
+
+u32 ipath_layer_get_pcirev(struct ipath_devdata *dd)
+{
+        return dd->ipath_pcirev;
 }
 
-EXPORT_SYMBOL_GPL(ipath_layer_query_device);
+EXPORT_SYMBOL_GPL(ipath_layer_get_pcirev);
 
 u32 ipath_layer_get_flags(struct ipath_devdata *dd)
 {
@@ -374,6 +382,13 @@ u16 ipath_layer_get_deviceid(struct ipath_devdata *dd)
 
 EXPORT_SYMBOL_GPL(ipath_layer_get_deviceid);
 
+u32 ipath_layer_get_vendorid(struct ipath_devdata *dd)
+{
+        return dd->ipath_vendorid;
+}
+
+EXPORT_SYMBOL_GPL(ipath_layer_get_vendorid);
+
 u64 ipath_layer_get_lastibcstat(struct ipath_devdata *dd)
 {
         return dd->ipath_lastibcstat;
@@ -403,7 +418,7 @@ void ipath_layer_add(struct ipath_devdata *dd)
         mutex_unlock(&ipath_layer_mutex);
 }
 
-void ipath_layer_del(struct ipath_devdata *dd)
+void ipath_layer_remove(struct ipath_devdata *dd)
 {
         mutex_lock(&ipath_layer_mutex);
 
@@ -607,7 +622,7 @@ int ipath_layer_open(struct ipath_devdata *dd, u32 * pktmax)
                 goto bail;
         }
 
-        ret = ipath_setrcvhdrsize(dd, NUM_OF_EXTRA_WORDS_IN_HEADER_QUEUE);
+        ret = ipath_setrcvhdrsize(dd, IPATH_HEADER_QUEUE_WORDS);
 
         if (ret < 0)
                 goto bail;
@@ -616,9 +631,9 @@ int ipath_layer_open(struct ipath_devdata *dd, u32 * pktmax)
 
         if (*dd->ipath_statusp & IPATH_STATUS_IB_READY)
                 intval |= IPATH_LAYER_INT_IF_UP;
-        if (ipath_stats.sps_lid[dd->ipath_unit])
+        if (dd->ipath_lid)
                 intval |= IPATH_LAYER_INT_LID;
-        if (ipath_stats.sps_mlid[dd->ipath_unit])
+        if (dd->ipath_mlid)
                 intval |= IPATH_LAYER_INT_BCAST;
         /*
          * do this on open, in case low level is already up and
@@ -884,7 +899,7 @@ static void copy_io(u32 __iomem *piobuf, struct ipath_sge_state *ss,
 /**
  * ipath_verbs_send - send a packet from the verbs layer
  * @dd: the infinipath device
- * @hdrwords: the number of works in the header
+ * @hdrwords: the number of words in the header
  * @hdr: the packet header
  * @len: the length of the packet in bytes
  * @ss: the SGE to send
@@ -1016,19 +1031,22 @@ int ipath_layer_get_counters(struct ipath_devdata *dd,
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_ibsymbolerrcnt);
         cntrs->link_error_recovery_counter =
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_iblinkerrrecovcnt);
+        /*
+         * The link downed counter counts when the other side downs the
+         * connection.  We add in the number of times we downed the link
+         * due to local link integrity errors to compensate.
+         */
         cntrs->link_downed_counter =
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_iblinkdowncnt);
         cntrs->port_rcv_errors =
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_rxdroppktcnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_rcvovflcnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_portovflcnt) +
-                ipath_snap_cntr(dd, dd->ipath_cregs->cr_errrcvflowctrlcnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_err_rlencnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_invalidrlencnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_erricrccnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_errvcrccnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_errlpcrccnt) +
-                ipath_snap_cntr(dd, dd->ipath_cregs->cr_errlinkcnt) +
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_badformatcnt);
         cntrs->port_rcv_remphys_errors =
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_rcvebpcnt);
@@ -1042,6 +1060,8 @@ int ipath_layer_get_counters(struct ipath_devdata *dd,
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktsendcnt);
         cntrs->port_rcv_packets =
                 ipath_snap_cntr(dd, dd->ipath_cregs->cr_pktrcvcnt);
+        cntrs->local_link_integrity_errors = dd->ipath_lli_errors;
+        cntrs->excessive_buffer_overrun_errors = 0; /* XXX */
 
         ret = 0;
 
@@ -1086,10 +1106,10 @@ int ipath_layer_send_hdr(struct ipath_devdata *dd, struct ether_header *hdr)
                 }
 
         vlsllnh = *((__be16 *) hdr);
-        if (vlsllnh != htons(IPS_LRH_BTH)) {
+        if (vlsllnh != htons(IPATH_LRH_BTH)) {
                 ipath_dbg("Warning: lrh[0] wrong (%x, not %x); "
                           "not sending\n", be16_to_cpu(vlsllnh),
-                          IPS_LRH_BTH);
+                          IPATH_LRH_BTH);
                 ret = -EINVAL;
         }
         if (ret)
diff --git a/drivers/infiniband/hw/ipath/ipath_layer.h b/drivers/infiniband/hw/ipath/ipath_layer.h
index 6fefd15bd2da..71485096fcac 100644
--- a/drivers/infiniband/hw/ipath/ipath_layer.h
+++ b/drivers/infiniband/hw/ipath/ipath_layer.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -54,6 +55,8 @@ struct ipath_layer_counters {
         u64 port_rcv_data;
         u64 port_xmit_packets;
         u64 port_rcv_packets;
+        u32 local_link_integrity_errors;
+        u32 excessive_buffer_overrun_errors;
 };
 
 /*
@@ -126,7 +129,7 @@ u16 ipath_layer_get_bcast(struct ipath_devdata *dd);
 u32 ipath_layer_get_cr_errpkey(struct ipath_devdata *dd);
 int ipath_layer_set_linkstate(struct ipath_devdata *dd, u8 state);
 int ipath_layer_set_mtu(struct ipath_devdata *, u16);
-int ipath_set_sps_lid(struct ipath_devdata *, u32, u8);
+int ipath_set_lid(struct ipath_devdata *, u32, u8);
 int ipath_layer_send_hdr(struct ipath_devdata *dd,
                          struct ether_header *hdr);
 int ipath_verbs_send(struct ipath_devdata *dd, u32 hdrwords,
@@ -143,11 +146,13 @@ int ipath_layer_want_buffer(struct ipath_devdata *dd);
 int ipath_layer_set_guid(struct ipath_devdata *, __be64 guid);
 __be64 ipath_layer_get_guid(struct ipath_devdata *);
 u32 ipath_layer_get_nguid(struct ipath_devdata *);
-int ipath_layer_query_device(struct ipath_devdata *, u32 * vendor,
-                             u32 * boardrev, u32 * majrev, u32 * minrev);
+u32 ipath_layer_get_majrev(struct ipath_devdata *);
+u32 ipath_layer_get_minrev(struct ipath_devdata *);
+u32 ipath_layer_get_pcirev(struct ipath_devdata *);
 u32 ipath_layer_get_flags(struct ipath_devdata *dd);
 struct device *ipath_layer_get_device(struct ipath_devdata *dd);
 u16 ipath_layer_get_deviceid(struct ipath_devdata *dd);
+u32 ipath_layer_get_vendorid(struct ipath_devdata *);
 u64 ipath_layer_get_lastibcstat(struct ipath_devdata *dd);
 u32 ipath_layer_get_ibmtu(struct ipath_devdata *dd);
 int ipath_layer_enable_timer(struct ipath_devdata *dd);
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index 1a9d0a2c33c3..d3402341b7d0 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -34,7 +35,7 @@
 
 #include "ipath_kernel.h"
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 #define IB_SMP_UNSUP_VERSION    __constant_htons(0x0004)
 #define IB_SMP_UNSUP_METHOD     __constant_htons(0x0008)
@@ -84,7 +85,7 @@ static int recv_subn_get_nodeinfo(struct ib_smp *smp,
 {
         struct nodeinfo *nip = (struct nodeinfo *)&smp->data;
         struct ipath_devdata *dd = to_idev(ibdev)->dd;
-        u32 vendor, boardid, majrev, minrev;
+        u32 vendor, majrev, minrev;
 
         if (smp->attr_mod)
                 smp->status |= IB_SMP_INVALID_FIELD;
@@ -104,9 +105,11 @@ static int recv_subn_get_nodeinfo(struct ib_smp *smp,
         nip->port_guid = nip->sys_guid;
         nip->partition_cap = cpu_to_be16(ipath_layer_get_npkeys(dd));
         nip->device_id = cpu_to_be16(ipath_layer_get_deviceid(dd));
-        ipath_layer_query_device(dd, &vendor, &boardid, &majrev, &minrev);
+        majrev = ipath_layer_get_majrev(dd);
+        minrev = ipath_layer_get_minrev(dd);
         nip->revision = cpu_to_be32((majrev << 16) | minrev);
         nip->local_port_num = port;
+        vendor = ipath_layer_get_vendorid(dd);
         nip->vendor_id[0] = 0;
         nip->vendor_id[1] = vendor >> 8;
         nip->vendor_id[2] = vendor;
@@ -215,7 +218,7 @@ static int recv_subn_get_portinfo(struct ib_smp *smp,
         /* P_KeyViolations are counted by hardware. */
         pip->pkey_violations =
                 cpu_to_be16((ipath_layer_get_cr_errpkey(dev->dd) -
-                             dev->n_pkey_violations) & 0xFFFF);
+                             dev->z_pkey_violations) & 0xFFFF);
         pip->qkey_violations = cpu_to_be16(dev->qkey_violations);
         /* Only the hardware GUID is supported for now */
         pip->guid_cap = 1;
@@ -303,9 +306,9 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
         lid = be16_to_cpu(pip->lid);
         if (lid != ipath_layer_get_lid(dev->dd)) {
                 /* Must be a valid unicast LID address. */
-                if (lid == 0 || lid >= IPS_MULTICAST_LID_BASE)
+                if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE)
                         goto err;
-                ipath_set_sps_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7);
+                ipath_set_lid(dev->dd, lid, pip->mkeyprot_resv_lmc & 7);
                 event.event = IB_EVENT_LID_CHANGE;
                 ib_dispatch_event(&event);
         }
@@ -313,7 +316,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
         smlid = be16_to_cpu(pip->sm_lid);
         if (smlid != dev->sm_lid) {
                 /* Must be a valid unicast LID address. */
-                if (smlid == 0 || smlid >= IPS_MULTICAST_LID_BASE)
+                if (smlid == 0 || smlid >= IPATH_MULTICAST_LID_BASE)
                         goto err;
                 dev->sm_lid = smlid;
                 event.event = IB_EVENT_SM_CHANGE;
@@ -389,7 +392,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
          * later.
          */
         if (pip->pkey_violations == 0)
-                dev->n_pkey_violations =
+                dev->z_pkey_violations =
                         ipath_layer_get_cr_errpkey(dev->dd);
 
         if (pip->qkey_violations == 0)
@@ -610,6 +613,9 @@ struct ib_pma_portcounters {
 #define IB_PMA_SEL_PORT_RCV_ERRORS              __constant_htons(0x0008)
 #define IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS      __constant_htons(0x0010)
 #define IB_PMA_SEL_PORT_XMIT_DISCARDS           __constant_htons(0x0040)
+#define IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS  __constant_htons(0x0200)
+#define IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS    __constant_htons(0x0400)
+#define IB_PMA_SEL_PORT_VL15_DROPPED            __constant_htons(0x0800)
 #define IB_PMA_SEL_PORT_XMIT_DATA               __constant_htons(0x1000)
 #define IB_PMA_SEL_PORT_RCV_DATA                __constant_htons(0x2000)
 #define IB_PMA_SEL_PORT_XMIT_PACKETS            __constant_htons(0x4000)
@@ -844,18 +850,22 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
         ipath_layer_get_counters(dev->dd, &cntrs);
 
         /* Adjust counters for any resets done. */
-        cntrs.symbol_error_counter -= dev->n_symbol_error_counter;
+        cntrs.symbol_error_counter -= dev->z_symbol_error_counter;
         cntrs.link_error_recovery_counter -=
-                dev->n_link_error_recovery_counter;
-        cntrs.link_downed_counter -= dev->n_link_downed_counter;
+                dev->z_link_error_recovery_counter;
+        cntrs.link_downed_counter -= dev->z_link_downed_counter;
         cntrs.port_rcv_errors += dev->rcv_errors;
-        cntrs.port_rcv_errors -= dev->n_port_rcv_errors;
-        cntrs.port_rcv_remphys_errors -= dev->n_port_rcv_remphys_errors;
-        cntrs.port_xmit_discards -= dev->n_port_xmit_discards;
-        cntrs.port_xmit_data -= dev->n_port_xmit_data;
-        cntrs.port_rcv_data -= dev->n_port_rcv_data;
-        cntrs.port_xmit_packets -= dev->n_port_xmit_packets;
-        cntrs.port_rcv_packets -= dev->n_port_rcv_packets;
+        cntrs.port_rcv_errors -= dev->z_port_rcv_errors;
+        cntrs.port_rcv_remphys_errors -= dev->z_port_rcv_remphys_errors;
+        cntrs.port_xmit_discards -= dev->z_port_xmit_discards;
+        cntrs.port_xmit_data -= dev->z_port_xmit_data;
+        cntrs.port_rcv_data -= dev->z_port_rcv_data;
+        cntrs.port_xmit_packets -= dev->z_port_xmit_packets;
+        cntrs.port_rcv_packets -= dev->z_port_rcv_packets;
+        cntrs.local_link_integrity_errors -=
+                dev->z_local_link_integrity_errors;
+        cntrs.excessive_buffer_overrun_errors -=
+                dev->z_excessive_buffer_overrun_errors;
 
         memset(pmp->data, 0, sizeof(pmp->data));
 
@@ -893,6 +903,16 @@ static int recv_pma_get_portcounters(struct ib_perf *pmp,
         else
                 p->port_xmit_discards =
                         cpu_to_be16((u16)cntrs.port_xmit_discards);
+        if (cntrs.local_link_integrity_errors > 0xFUL)
+                cntrs.local_link_integrity_errors = 0xFUL;
+        if (cntrs.excessive_buffer_overrun_errors > 0xFUL)
+                cntrs.excessive_buffer_overrun_errors = 0xFUL;
+        p->lli_ebor_errors = (cntrs.local_link_integrity_errors << 4) |
+                cntrs.excessive_buffer_overrun_errors;
+        if (dev->n_vl15_dropped > 0xFFFFUL)
+                p->vl15_dropped = __constant_cpu_to_be16(0xFFFF);
+        else
+                p->vl15_dropped = cpu_to_be16((u16)dev->n_vl15_dropped);
         if (cntrs.port_xmit_data > 0xFFFFFFFFUL)
                 p->port_xmit_data = __constant_cpu_to_be32(0xFFFFFFFF);
         else
@@ -928,10 +948,10 @@ static int recv_pma_get_portcounters_ext(struct ib_perf *pmp,
                                       &rpkts, &xwait);
 
         /* Adjust counters for any resets done. */
-        swords -= dev->n_port_xmit_data;
-        rwords -= dev->n_port_rcv_data;
-        spkts -= dev->n_port_xmit_packets;
-        rpkts -= dev->n_port_rcv_packets;
+        swords -= dev->z_port_xmit_data;
+        rwords -= dev->z_port_rcv_data;
+        spkts -= dev->z_port_xmit_packets;
+        rpkts -= dev->z_port_rcv_packets;
 
         memset(pmp->data, 0, sizeof(pmp->data));
 
@@ -967,37 +987,48 @@ static int recv_pma_set_portcounters(struct ib_perf *pmp,
         ipath_layer_get_counters(dev->dd, &cntrs);
 
         if (p->counter_select & IB_PMA_SEL_SYMBOL_ERROR)
-                dev->n_symbol_error_counter = cntrs.symbol_error_counter;
+                dev->z_symbol_error_counter = cntrs.symbol_error_counter;
 
         if (p->counter_select & IB_PMA_SEL_LINK_ERROR_RECOVERY)
-                dev->n_link_error_recovery_counter =
+                dev->z_link_error_recovery_counter =
                         cntrs.link_error_recovery_counter;
 
         if (p->counter_select & IB_PMA_SEL_LINK_DOWNED)
-                dev->n_link_downed_counter = cntrs.link_downed_counter;
+                dev->z_link_downed_counter = cntrs.link_downed_counter;
 
         if (p->counter_select & IB_PMA_SEL_PORT_RCV_ERRORS)
-                dev->n_port_rcv_errors =
+                dev->z_port_rcv_errors =
                         cntrs.port_rcv_errors + dev->rcv_errors;
 
         if (p->counter_select & IB_PMA_SEL_PORT_RCV_REMPHYS_ERRORS)
-                dev->n_port_rcv_remphys_errors =
+                dev->z_port_rcv_remphys_errors =
                         cntrs.port_rcv_remphys_errors;
 
         if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DISCARDS)
-                dev->n_port_xmit_discards = cntrs.port_xmit_discards;
+                dev->z_port_xmit_discards = cntrs.port_xmit_discards;
+
+        if (p->counter_select & IB_PMA_SEL_LOCAL_LINK_INTEGRITY_ERRORS)
+                dev->z_local_link_integrity_errors =
+                        cntrs.local_link_integrity_errors;
+
+        if (p->counter_select & IB_PMA_SEL_EXCESSIVE_BUFFER_OVERRUNS)
+                dev->z_excessive_buffer_overrun_errors =
+                        cntrs.excessive_buffer_overrun_errors;
+
+        if (p->counter_select & IB_PMA_SEL_PORT_VL15_DROPPED)
+                dev->n_vl15_dropped = 0;
 
         if (p->counter_select & IB_PMA_SEL_PORT_XMIT_DATA)
-                dev->n_port_xmit_data = cntrs.port_xmit_data;
+                dev->z_port_xmit_data = cntrs.port_xmit_data;
 
         if (p->counter_select & IB_PMA_SEL_PORT_RCV_DATA)
-                dev->n_port_rcv_data = cntrs.port_rcv_data;
+                dev->z_port_rcv_data = cntrs.port_rcv_data;
 
         if (p->counter_select & IB_PMA_SEL_PORT_XMIT_PACKETS)
-                dev->n_port_xmit_packets = cntrs.port_xmit_packets;
+                dev->z_port_xmit_packets = cntrs.port_xmit_packets;
 
         if (p->counter_select & IB_PMA_SEL_PORT_RCV_PACKETS)
-                dev->n_port_rcv_packets = cntrs.port_rcv_packets;
+                dev->z_port_rcv_packets = cntrs.port_rcv_packets;
 
         return recv_pma_get_portcounters(pmp, ibdev, port);
 }
@@ -1014,16 +1045,16 @@ static int recv_pma_set_portcounters_ext(struct ib_perf *pmp,
                                       &rpkts, &xwait);
 
         if (p->counter_select & IB_PMA_SELX_PORT_XMIT_DATA)
-                dev->n_port_xmit_data = swords;
+                dev->z_port_xmit_data = swords;
 
         if (p->counter_select & IB_PMA_SELX_PORT_RCV_DATA)
-                dev->n_port_rcv_data = rwords;
+                dev->z_port_rcv_data = rwords;
 
         if (p->counter_select & IB_PMA_SELX_PORT_XMIT_PACKETS)
-                dev->n_port_xmit_packets = spkts;
+                dev->z_port_xmit_packets = spkts;
 
         if (p->counter_select & IB_PMA_SELX_PORT_RCV_PACKETS)
-                dev->n_port_rcv_packets = rpkts;
+                dev->z_port_rcv_packets = rpkts;
 
         if (p->counter_select & IB_PMA_SELX_PORT_UNI_XMIT_PACKETS)
                 dev->n_unicast_xmit = 0;
@@ -1272,32 +1303,8 @@ int ipath_process_mad(struct ib_device *ibdev, int mad_flags, u8 port_num,
                       struct ib_wc *in_wc, struct ib_grh *in_grh,
                       struct ib_mad *in_mad, struct ib_mad *out_mad)
 {
-        struct ipath_ibdev *dev = to_idev(ibdev);
         int ret;
 
-        /*
-         * Snapshot current HW counters to "clear" them.
-         * This should be done when the driver is loaded except that for
-         * some reason we get a zillion errors when brining up the link.
-         */
-        if (dev->rcv_errors == 0) {
-                struct ipath_layer_counters cntrs;
-
-                ipath_layer_get_counters(to_idev(ibdev)->dd, &cntrs);
-                dev->rcv_errors++;
-                dev->n_symbol_error_counter = cntrs.symbol_error_counter;
-                dev->n_link_error_recovery_counter =
-                        cntrs.link_error_recovery_counter;
-                dev->n_link_downed_counter = cntrs.link_downed_counter;
-                dev->n_port_rcv_errors = cntrs.port_rcv_errors + 1;
-                dev->n_port_rcv_remphys_errors =
-                        cntrs.port_rcv_remphys_errors;
-                dev->n_port_xmit_discards = cntrs.port_xmit_discards;
-                dev->n_port_xmit_data = cntrs.port_xmit_data;
-                dev->n_port_rcv_data = cntrs.port_rcv_data;
-                dev->n_port_xmit_packets = cntrs.port_xmit_packets;
-                dev->n_port_rcv_packets = cntrs.port_rcv_packets;
-        }
         switch (in_mad->mad_hdr.mgmt_class) {
         case IB_MGMT_CLASS_SUBN_DIRECTED_ROUTE:
         case IB_MGMT_CLASS_SUBN_LID_ROUTED:
diff --git a/drivers/infiniband/hw/ipath/ipath_mr.c b/drivers/infiniband/hw/ipath/ipath_mr.c
index 69ffec66d45d..4ac31a5da330 100644
--- a/drivers/infiniband/hw/ipath/ipath_mr.c
+++ b/drivers/infiniband/hw/ipath/ipath_mr.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -169,6 +170,11 @@ struct ib_mr *ipath_reg_user_mr(struct ib_pd *pd, struct ib_umem *region,
         int n, m, i;
         struct ib_mr *ret;
 
+        if (region->length == 0) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
         n = 0;
         list_for_each_entry(chunk, &region->chunk_list, list)
                 n += chunk->nents;
diff --git a/drivers/infiniband/hw/ipath/ipath_pe800.c b/drivers/infiniband/hw/ipath/ipath_pe800.c
index 02e8c75b24f6..b83f66d8262c 100644
--- a/drivers/infiniband/hw/ipath/ipath_pe800.c
+++ b/drivers/infiniband/hw/ipath/ipath_pe800.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -44,7 +45,7 @@
 
 /*
  * This file contains all the chip-specific register information and
- * access functions for the PathScale PE800, the PCI-Express chip.
+ * access functions for the QLogic InfiniPath PE800, the PCI-Express chip.
  *
  * This lists the InfiniPath PE800 registers, in the actual chip layout.
  * This structure should never be directly accessed.
@@ -532,7 +533,7 @@ static int ipath_pe_boardname(struct ipath_devdata *dd, char *name,
         if (n)
                 snprintf(name, namelen, "%s", n);
 
-        if (dd->ipath_majrev != 4 || dd->ipath_minrev != 1) {
+        if (dd->ipath_majrev != 4 || !dd->ipath_minrev || dd->ipath_minrev>2) {
                 ipath_dev_err(dd, "Unsupported PE-800 revision %u.%u!\n",
                               dd->ipath_majrev, dd->ipath_minrev);
                 ret = 1;
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 9f8855d970c8..83e557be591e 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -34,7 +35,7 @@
 #include <linux/vmalloc.h>
 
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 #define BITS_PER_PAGE           (PAGE_SIZE*BITS_PER_BYTE)
 #define BITS_PER_PAGE_MASK      (BITS_PER_PAGE-1)
@@ -332,10 +333,11 @@ static void ipath_reset_qp(struct ipath_qp *qp)
         qp->remote_qpn = 0;
         qp->qkey = 0;
         qp->qp_access_flags = 0;
+        clear_bit(IPATH_S_BUSY, &qp->s_flags);
         qp->s_hdrwords = 0;
         qp->s_psn = 0;
         qp->r_psn = 0;
-        atomic_set(&qp->msn, 0);
+        qp->r_msn = 0;
         if (qp->ibqp.qp_type == IB_QPT_RC) {
                 qp->s_state = IB_OPCODE_RC_SEND_LAST;
                 qp->r_state = IB_OPCODE_RC_SEND_LAST;
@@ -344,7 +346,8 @@ static void ipath_reset_qp(struct ipath_qp *qp)
                 qp->r_state = IB_OPCODE_UC_SEND_LAST;
         }
         qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
-        qp->s_nak_state = 0;
+        qp->r_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
+        qp->r_nak_state = 0;
         qp->s_rnr_timeout = 0;
         qp->s_head = 0;
         qp->s_tail = 0;
@@ -362,10 +365,10 @@ static void ipath_reset_qp(struct ipath_qp *qp)
  * @qp: the QP to put into an error state
  *
  * Flushes both send and receive work queues.
- * QP r_rq.lock and s_lock should be held.
+ * QP s_lock should be held and interrupts disabled.
  */
 
-static void ipath_error_qp(struct ipath_qp *qp)
+void ipath_error_qp(struct ipath_qp *qp)
 {
         struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
         struct ib_wc wc;
@@ -408,12 +411,14 @@ static void ipath_error_qp(struct ipath_qp *qp)
         qp->s_ack_state = IB_OPCODE_RC_ACKNOWLEDGE;
 
         wc.opcode = IB_WC_RECV;
+        spin_lock(&qp->r_rq.lock);
         while (qp->r_rq.tail != qp->r_rq.head) {
                 wc.wr_id = get_rwqe_ptr(&qp->r_rq, qp->r_rq.tail)->wr_id;
                 if (++qp->r_rq.tail >= qp->r_rq.size)
                         qp->r_rq.tail = 0;
                 ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
         }
+        spin_unlock(&qp->r_rq.lock);
 }
 
 /**
@@ -433,8 +438,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
         unsigned long flags;
         int ret;
 
-        spin_lock_irqsave(&qp->r_rq.lock, flags);
-        spin_lock(&qp->s_lock);
+        spin_lock_irqsave(&qp->s_lock, flags);
 
         cur_state = attr_mask & IB_QP_CUR_STATE ?
                 attr->cur_qp_state : qp->state;
@@ -446,7 +450,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
 
         if (attr_mask & IB_QP_AV)
                 if (attr->ah_attr.dlid == 0 ||
-                    attr->ah_attr.dlid >= IPS_MULTICAST_LID_BASE)
+                    attr->ah_attr.dlid >= IPATH_MULTICAST_LID_BASE)
                         goto inval;
 
         if (attr_mask & IB_QP_PKEY_INDEX)
@@ -505,34 +509,19 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
         }
 
         if (attr_mask & IB_QP_MIN_RNR_TIMER)
-                qp->s_min_rnr_timer = attr->min_rnr_timer;
+                qp->r_min_rnr_timer = attr->min_rnr_timer;
 
         if (attr_mask & IB_QP_QKEY)
                 qp->qkey = attr->qkey;
 
-        if (attr_mask & IB_QP_PKEY_INDEX)
-                qp->s_pkey_index = attr->pkey_index;
-
         qp->state = new_state;
-        spin_unlock(&qp->s_lock);
-        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
-
-        /*
-         * If QP1 changed to the RTS state, try to move to the link to INIT
-         * even if it was ACTIVE so the SM will reinitialize the SMA's
-         * state.
-         */
-        if (qp->ibqp.qp_num == 1 && new_state == IB_QPS_RTS) {
-                struct ipath_ibdev *dev = to_idev(ibqp->device);
+        spin_unlock_irqrestore(&qp->s_lock, flags);
 
-                ipath_layer_set_linkstate(dev->dd, IPATH_IB_LINKDOWN);
-        }
         ret = 0;
         goto bail;
 
 inval:
-        spin_unlock(&qp->s_lock);
-        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
+        spin_unlock_irqrestore(&qp->s_lock, flags);
         ret = -EINVAL;
 
 bail:
@@ -566,7 +555,7 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
         attr->sq_draining = 0;
         attr->max_rd_atomic = 1;
         attr->max_dest_rd_atomic = 1;
-        attr->min_rnr_timer = qp->s_min_rnr_timer;
+        attr->min_rnr_timer = qp->r_min_rnr_timer;
         attr->port_num = 1;
         attr->timeout = 0;
         attr->retry_cnt = qp->s_retry_cnt;
@@ -593,21 +582,17 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
  * @qp: the queue pair to compute the AETH for
  *
  * Returns the AETH.
- *
- * The QP s_lock should be held.
  */
 __be32 ipath_compute_aeth(struct ipath_qp *qp)
 {
-        u32 aeth = atomic_read(&qp->msn) & IPS_MSN_MASK;
+        u32 aeth = qp->r_msn & IPATH_MSN_MASK;
 
-        if (qp->s_nak_state) {
-                aeth |= qp->s_nak_state << IPS_AETH_CREDIT_SHIFT;
-        } else if (qp->ibqp.srq) {
+        if (qp->ibqp.srq) {
                 /*
                  * Shared receive queues don't generate credits.
                  * Set the credit field to the invalid value.
                  */
-                aeth |= IPS_AETH_CREDIT_INVAL << IPS_AETH_CREDIT_SHIFT;
+                aeth |= IPATH_AETH_CREDIT_INVAL << IPATH_AETH_CREDIT_SHIFT;
         } else {
                 u32 min, max, x;
                 u32 credits;
@@ -637,7 +622,7 @@ __be32 ipath_compute_aeth(struct ipath_qp *qp)
                         else
                                 min = x;
                 }
-                aeth |= x << IPS_AETH_CREDIT_SHIFT;
+                aeth |= x << IPATH_AETH_CREDIT_SHIFT;
         }
         return cpu_to_be32(aeth);
 }
@@ -663,12 +648,22 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
         size_t sz;
         struct ib_qp *ret;
 
-        if (init_attr->cap.max_send_sge > 255 ||
-            init_attr->cap.max_recv_sge > 255) {
+        if (init_attr->cap.max_send_sge > ib_ipath_max_sges ||
+            init_attr->cap.max_recv_sge > ib_ipath_max_sges ||
+            init_attr->cap.max_send_wr > ib_ipath_max_qp_wrs ||
+            init_attr->cap.max_recv_wr > ib_ipath_max_qp_wrs) {
                 ret = ERR_PTR(-ENOMEM);
                 goto bail;
         }
 
+        if (init_attr->cap.max_send_sge +
+            init_attr->cap.max_recv_sge +
+            init_attr->cap.max_send_wr +
+            init_attr->cap.max_recv_wr == 0) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
         switch (init_attr->qp_type) {
         case IB_QPT_UC:
         case IB_QPT_RC:
@@ -686,18 +681,26 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
         case IB_QPT_GSI:
                 qp = kmalloc(sizeof(*qp), GFP_KERNEL);
                 if (!qp) {
+                        vfree(swq);
                         ret = ERR_PTR(-ENOMEM);
                         goto bail;
                 }
-                qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
-                sz = sizeof(struct ipath_sge) *
-                        init_attr->cap.max_recv_sge +
-                        sizeof(struct ipath_rwqe);
-                qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
-                if (!qp->r_rq.wq) {
-                        kfree(qp);
-                        ret = ERR_PTR(-ENOMEM);
-                        goto bail;
+                if (init_attr->srq) {
+                        qp->r_rq.size = 0;
+                        qp->r_rq.max_sge = 0;
+                        qp->r_rq.wq = NULL;
+                } else {
+                        qp->r_rq.size = init_attr->cap.max_recv_wr + 1;
+                        qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
+                        sz = (sizeof(struct ipath_sge) * qp->r_rq.max_sge) +
+                                sizeof(struct ipath_rwqe);
+                        qp->r_rq.wq = vmalloc(qp->r_rq.size * sz);
+                        if (!qp->r_rq.wq) {
+                                kfree(qp);
+                                vfree(swq);
+                                ret = ERR_PTR(-ENOMEM);
+                                goto bail;
+                        }
                 }
 
                 /*
@@ -708,9 +711,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
                 spin_lock_init(&qp->r_rq.lock);
                 atomic_set(&qp->refcount, 0);
                 init_waitqueue_head(&qp->wait);
-                tasklet_init(&qp->s_task,
-                             init_attr->qp_type == IB_QPT_RC ?
-                             ipath_do_rc_send : ipath_do_uc_send,
+                tasklet_init(&qp->s_task, ipath_do_ruc_send,
                              (unsigned long)qp);
                 INIT_LIST_HEAD(&qp->piowait);
                 INIT_LIST_HEAD(&qp->timerwait);
@@ -718,7 +719,6 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
                 qp->s_wq = swq;
                 qp->s_size = init_attr->cap.max_send_wr + 1;
                 qp->s_max_sge = init_attr->cap.max_send_sge;
-                qp->r_rq.max_sge = init_attr->cap.max_recv_sge;
                 qp->s_flags = init_attr->sq_sig_type == IB_SIGNAL_REQ_WR ?
                         1 << IPATH_S_SIGNAL_REQ_WR : 0;
                 dev = to_idev(ibpd->device);
@@ -888,18 +888,18 @@ void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc)
  */
 void ipath_get_credit(struct ipath_qp *qp, u32 aeth)
 {
-        u32 credit = (aeth >> IPS_AETH_CREDIT_SHIFT) & IPS_AETH_CREDIT_MASK;
+        u32 credit = (aeth >> IPATH_AETH_CREDIT_SHIFT) & IPATH_AETH_CREDIT_MASK;
 
         /*
          * If the credit is invalid, we can send
          * as many packets as we like.  Otherwise, we have to
          * honor the credit field.
          */
-        if (credit == IPS_AETH_CREDIT_INVAL) {
+        if (credit == IPATH_AETH_CREDIT_INVAL)
                 qp->s_lsn = (u32) -1;
-        } else if (qp->s_lsn != (u32) -1) {
+        else if (qp->s_lsn != (u32) -1) {
                 /* Compute new LSN (i.e., MSN + credit) */
-                credit = (aeth + credit_table[credit]) & IPS_MSN_MASK;
+                credit = (aeth + credit_table[credit]) & IPATH_MSN_MASK;
                 if (ipath_cmp24(credit, qp->s_lsn) > 0)
                         qp->s_lsn = credit;
         }
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 493b1821a934..774d1615ce2f 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -31,7 +32,7 @@
  */
 
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 /* cut down ridiculously long IB macro names */
 #define OP(x) IB_OPCODE_RC_##x
@@ -41,14 +42,14 @@
  * @qp: the QP who's SGE we're restarting
  * @wqe: the work queue to initialize the QP's SGE from
  *
- * The QP s_lock should be held.
+ * The QP s_lock should be held and interrupts disabled.
  */
 static void ipath_init_restart(struct ipath_qp *qp, struct ipath_swqe *wqe)
 {
         struct ipath_ibdev *dev;
         u32 len;
 
-        len = ((qp->s_psn - wqe->psn) & IPS_PSN_MASK) *
+        len = ((qp->s_psn - wqe->psn) & IPATH_PSN_MASK) *
                 ib_mtu_enum_to_int(qp->path_mtu);
         qp->s_sge.sge = wqe->sg_list[0];
         qp->s_sge.sg_list = wqe->sg_list + 1;
@@ -72,11 +73,10 @@ static void ipath_init_restart(struct ipath_qp *qp, struct ipath_swqe *wqe)
  * Return bth0 if constructed; otherwise, return 0.
  * Note the QP s_lock must be held.
  */
-static inline u32 ipath_make_rc_ack(struct ipath_qp *qp,
-                                    struct ipath_other_headers *ohdr,
-                                    u32 pmtu)
+u32 ipath_make_rc_ack(struct ipath_qp *qp,
+                      struct ipath_other_headers *ohdr,
+                      u32 pmtu)
 {
-        struct ipath_sge_state *ss;
         u32 hwords;
         u32 len;
         u32 bth0;
@@ -90,13 +90,12 @@ static inline u32 ipath_make_rc_ack(struct ipath_qp *qp,
          */
         switch (qp->s_ack_state) {
         case OP(RDMA_READ_REQUEST):
-                ss = &qp->s_rdma_sge;
+                qp->s_cur_sge = &qp->s_rdma_sge;
                 len = qp->s_rdma_len;
                 if (len > pmtu) {
                         len = pmtu;
                         qp->s_ack_state = OP(RDMA_READ_RESPONSE_FIRST);
-                }
-                else
+                } else
                         qp->s_ack_state = OP(RDMA_READ_RESPONSE_ONLY);
                 qp->s_rdma_len -= len;
                 bth0 = qp->s_ack_state << 24;
@@ -108,7 +107,7 @@ static inline u32 ipath_make_rc_ack(struct ipath_qp *qp,
                 qp->s_ack_state = OP(RDMA_READ_RESPONSE_MIDDLE);
                 /* FALLTHROUGH */
         case OP(RDMA_READ_RESPONSE_MIDDLE):
-                ss = &qp->s_rdma_sge;
+                qp->s_cur_sge = &qp->s_rdma_sge;
                 len = qp->s_rdma_len;
                 if (len > pmtu)
                         len = pmtu;
@@ -127,41 +126,50 @@ static inline u32 ipath_make_rc_ack(struct ipath_qp *qp,
                  * We have to prevent new requests from changing
                  * the r_sge state while a ipath_verbs_send()
                  * is in progress.
-                 * Changing r_state allows the receiver
-                 * to continue processing new packets.
-                 * We do it here now instead of above so
-                 * that we are sure the packet was sent before
-                 * changing the state.
                  */
-                qp->r_state = OP(RDMA_READ_RESPONSE_LAST);
                 qp->s_ack_state = OP(ACKNOWLEDGE);
-                return 0;
+                bth0 = 0;
+                goto bail;
 
         case OP(COMPARE_SWAP):
         case OP(FETCH_ADD):
-                ss = NULL;
+                qp->s_cur_sge = NULL;
                 len = 0;
-                qp->r_state = OP(SEND_LAST);
-                qp->s_ack_state = OP(ACKNOWLEDGE);
-                bth0 = IB_OPCODE_ATOMIC_ACKNOWLEDGE << 24;
+                /*
+                 * Set the s_ack_state so the receive interrupt handler
+                 * won't try to send an ACK (out of order) until this one
+                 * is actually sent.
+                 */
+                qp->s_ack_state = OP(RDMA_READ_RESPONSE_LAST);
+                bth0 = OP(ATOMIC_ACKNOWLEDGE) << 24;
                 ohdr->u.at.aeth = ipath_compute_aeth(qp);
-                ohdr->u.at.atomic_ack_eth = cpu_to_be64(qp->s_ack_atomic);
+                ohdr->u.at.atomic_ack_eth = cpu_to_be64(qp->r_atomic_data);
                 hwords += sizeof(ohdr->u.at) / 4;
                 break;
 
         default:
                 /* Send a regular ACK. */
-                ss = NULL;
+                qp->s_cur_sge = NULL;
                 len = 0;
-                qp->s_ack_state = OP(ACKNOWLEDGE);
-                bth0 = qp->s_ack_state << 24;
-                ohdr->u.aeth = ipath_compute_aeth(qp);
+                /*
+                 * Set the s_ack_state so the receive interrupt handler
+                 * won't try to send an ACK (out of order) until this one
+                 * is actually sent.
+                 */
+                qp->s_ack_state = OP(RDMA_READ_RESPONSE_LAST);
+                bth0 = OP(ACKNOWLEDGE) << 24;
+                if (qp->s_nak_state)
+                        ohdr->u.aeth = cpu_to_be32((qp->r_msn & IPATH_MSN_MASK) |
+                                                    (qp->s_nak_state <<
+                                                     IPATH_AETH_CREDIT_SHIFT));
+                else
+                        ohdr->u.aeth = ipath_compute_aeth(qp);
                 hwords++;
         }
         qp->s_hdrwords = hwords;
-        qp->s_cur_sge = ss;
         qp->s_cur_size = len;
 
+bail:
         return bth0;
 }
 
@@ -174,11 +182,11 @@ static inline u32 ipath_make_rc_ack(struct ipath_qp *qp,
  * @bth2p: pointer to the BTH PSN word
  *
  * Return 1 if constructed; otherwise, return 0.
- * Note the QP s_lock must be held.
+ * Note the QP s_lock must be held and interrupts disabled.
  */
-static inline int ipath_make_rc_req(struct ipath_qp *qp,
-                                    struct ipath_other_headers *ohdr,
-                                    u32 pmtu, u32 *bth0p, u32 *bth2p)
+int ipath_make_rc_req(struct ipath_qp *qp,
+                      struct ipath_other_headers *ohdr,
+                      u32 pmtu, u32 *bth0p, u32 *bth2p)
 {
         struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
         struct ipath_sge_state *ss;
@@ -257,7 +265,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                         break;
 
                 case IB_WR_RDMA_WRITE:
-                        if (newreq)
+                        if (newreq && qp->s_lsn != (u32) -1)
                                 qp->s_lsn++;
                         /* FALLTHROUGH */
                 case IB_WR_RDMA_WRITE_WITH_IMM:
@@ -283,8 +291,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                         else {
                                 qp->s_state =
                                         OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE);
-                                /* Immediate data comes
-                                 * after RETH */
+                                /* Immediate data comes after RETH */
                                 ohdr->u.rc.imm_data = wqe->wr.imm_data;
                                 hwords += 1;
                                 if (wqe->wr.send_flags & IB_SEND_SOLICITED)
@@ -304,7 +311,8 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                         qp->s_state = OP(RDMA_READ_REQUEST);
                         hwords += sizeof(ohdr->u.rc.reth) / 4;
                         if (newreq) {
-                                qp->s_lsn++;
+                                if (qp->s_lsn != (u32) -1)
+                                        qp->s_lsn++;
                                 /*
                                  * Adjust s_next_psn to count the
                                  * expected number of responses.
@@ -335,7 +343,8 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                                 wqe->wr.wr.atomic.compare_add);
                         hwords += sizeof(struct ib_atomic_eth) / 4;
                         if (newreq) {
-                                qp->s_lsn++;
+                                if (qp->s_lsn != (u32) -1)
+                                        qp->s_lsn++;
                                 wqe->lpsn = wqe->psn;
                         }
                         if (++qp->s_cur == qp->s_size)
@@ -352,9 +361,14 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                         if (qp->s_tail >= qp->s_size)
                                 qp->s_tail = 0;
                 }
-                bth2 |= qp->s_psn++ & IPS_PSN_MASK;
+                bth2 |= qp->s_psn++ & IPATH_PSN_MASK;
                 if ((int)(qp->s_psn - qp->s_next_psn) > 0)
                         qp->s_next_psn = qp->s_psn;
+                /*
+                 * Put the QP on the pending list so lost ACKs will cause
+                 * a retry.  More than one request can be pending so the
+                 * QP may already be on the dev->pending list.
+                 */
                 spin_lock(&dev->pending_lock);
                 if (list_empty(&qp->timerwait))
                         list_add_tail(&qp->timerwait,
@@ -364,8 +378,8 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
 
         case OP(RDMA_READ_RESPONSE_FIRST):
                 /*
-                 * This case can only happen if a send is restarted.  See
-                 * ipath_restart_rc().
+                 * This case can only happen if a send is restarted.
+                 * See ipath_restart_rc().
                  */
                 ipath_init_restart(qp, wqe);
                 /* FALLTHROUGH */
@@ -373,7 +387,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                 qp->s_state = OP(SEND_MIDDLE);
                 /* FALLTHROUGH */
         case OP(SEND_MIDDLE):
-                bth2 = qp->s_psn++ & IPS_PSN_MASK;
+                bth2 = qp->s_psn++ & IPATH_PSN_MASK;
                 if ((int)(qp->s_psn - qp->s_next_psn) > 0)
                         qp->s_next_psn = qp->s_psn;
                 ss = &qp->s_sge;
@@ -415,7 +429,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                 qp->s_state = OP(RDMA_WRITE_MIDDLE);
                 /* FALLTHROUGH */
         case OP(RDMA_WRITE_MIDDLE):
-                bth2 = qp->s_psn++ & IPS_PSN_MASK;
+                bth2 = qp->s_psn++ & IPATH_PSN_MASK;
                 if ((int)(qp->s_psn - qp->s_next_psn) > 0)
                         qp->s_next_psn = qp->s_psn;
                 ss = &qp->s_sge;
@@ -452,7 +466,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                  * See ipath_restart_rc().
                  */
                 ipath_init_restart(qp, wqe);
-                len = ((qp->s_psn - wqe->psn) & IPS_PSN_MASK) * pmtu;
+                len = ((qp->s_psn - wqe->psn) & IPATH_PSN_MASK) * pmtu;
                 ohdr->u.rc.reth.vaddr =
                         cpu_to_be64(wqe->wr.wr.rdma.remote_addr + len);
                 ohdr->u.rc.reth.rkey =
@@ -460,7 +474,7 @@ static inline int ipath_make_rc_req(struct ipath_qp *qp,
                 ohdr->u.rc.reth.length = cpu_to_be32(qp->s_len);
                 qp->s_state = OP(RDMA_READ_REQUEST);
                 hwords += sizeof(ohdr->u.rc.reth) / 4;
-                bth2 = qp->s_psn++ & IPS_PSN_MASK;
+                bth2 = qp->s_psn++ & IPATH_PSN_MASK;
                 if ((int)(qp->s_psn - qp->s_next_psn) > 0)
                         qp->s_next_psn = qp->s_psn;
                 ss = NULL;
@@ -496,189 +510,169 @@ done:
         return 0;
 }
 
-static inline void ipath_make_rc_grh(struct ipath_qp *qp,
-                                     struct ib_global_route *grh,
-                                     u32 nwords)
-{
-        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
-
-        /* GRH header size in 32-bit words. */
-        qp->s_hdrwords += 10;
-        qp->s_hdr.u.l.grh.version_tclass_flow =
-                cpu_to_be32((6 << 28) |
-                            (grh->traffic_class << 20) |
-                            grh->flow_label);
-        qp->s_hdr.u.l.grh.paylen =
-                cpu_to_be16(((qp->s_hdrwords - 12) + nwords +
-                             SIZE_OF_CRC) << 2);
-        /* next_hdr is defined by C8-7 in ch. 8.4.1 */
-        qp->s_hdr.u.l.grh.next_hdr = 0x1B;
-        qp->s_hdr.u.l.grh.hop_limit = grh->hop_limit;
-        /* The SGID is 32-bit aligned. */
-        qp->s_hdr.u.l.grh.sgid.global.subnet_prefix = dev->gid_prefix;
-        qp->s_hdr.u.l.grh.sgid.global.interface_id =
-                ipath_layer_get_guid(dev->dd);
-        qp->s_hdr.u.l.grh.dgid = grh->dgid;
-}
-
 /**
- * ipath_do_rc_send - perform a send on an RC QP
- * @data: contains a pointer to the QP
+ * send_rc_ack - Construct an ACK packet and send it
+ * @qp: a pointer to the QP
  *
- * Process entries in the send work queue until credit or queue is
- * exhausted.  Only allow one CPU to send a packet per QP (tasklet).
- * Otherwise, after we drop the QP s_lock, two threads could send
- * packets out of order.
+ * This is called from ipath_rc_rcv() and only uses the receive
+ * side QP state.
+ * Note that RDMA reads are handled in the send side QP state and tasklet.
  */
-void ipath_do_rc_send(unsigned long data)
+static void send_rc_ack(struct ipath_qp *qp)
 {
-        struct ipath_qp *qp = (struct ipath_qp *)data;
         struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
-        unsigned long flags;
         u16 lrh0;
-        u32 nwords;
-        u32 extra_bytes;
         u32 bth0;
-        u32 bth2;
-        u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+        u32 hwords;
+        struct ipath_ib_header hdr;
         struct ipath_other_headers *ohdr;
 
-        if (test_and_set_bit(IPATH_S_BUSY, &qp->s_flags))
-                goto bail;
-
-        if (unlikely(qp->remote_ah_attr.dlid ==
-                     ipath_layer_get_lid(dev->dd))) {
-                struct ib_wc wc;
-
-                /*
-                 * Pass in an uninitialized ib_wc to be consistent with
-                 * other places where ipath_ruc_loopback() is called.
-                 */
-                ipath_ruc_loopback(qp, &wc);
-                goto clear;
-        }
-
-        ohdr = &qp->s_hdr.u.oth;
-        if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
-                ohdr = &qp->s_hdr.u.l.oth;
-
-again:
-        /* Check for a constructed packet to be sent. */
-        if (qp->s_hdrwords != 0) {
-                /*
-                 * If no PIO bufs are available, return.  An interrupt will
-                 * call ipath_ib_piobufavail() when one is available.
-                 */
-                _VERBS_INFO("h %u %p\n", qp->s_hdrwords, &qp->s_hdr);
-                _VERBS_INFO("d %u %p %u %p %u %u %u %u\n", qp->s_cur_size,
-                            qp->s_cur_sge->sg_list,
-                            qp->s_cur_sge->num_sge,
-                            qp->s_cur_sge->sge.vaddr,
-                            qp->s_cur_sge->sge.sge_length,
-                            qp->s_cur_sge->sge.length,
-                            qp->s_cur_sge->sge.m,
-                            qp->s_cur_sge->sge.n);
-                if (ipath_verbs_send(dev->dd, qp->s_hdrwords,
-                                     (u32 *) &qp->s_hdr, qp->s_cur_size,
-                                     qp->s_cur_sge)) {
-                        ipath_no_bufs_available(qp, dev);
-                        goto bail;
-                }
-                dev->n_unicast_xmit++;
-                /* Record that we sent the packet and s_hdr is empty. */
-                qp->s_hdrwords = 0;
-        }
-
-        /*
-         * The lock is needed to synchronize between setting
-         * qp->s_ack_state, resend timer, and post_send().
-         */
-        spin_lock_irqsave(&qp->s_lock, flags);
-
-        /* Sending responses has higher priority over sending requests. */
-        if (qp->s_ack_state != OP(ACKNOWLEDGE) &&
-            (bth0 = ipath_make_rc_ack(qp, ohdr, pmtu)) != 0)
-                bth2 = qp->s_ack_psn++ & IPS_PSN_MASK;
-        else if (!ipath_make_rc_req(qp, ohdr, pmtu, &bth0, &bth2))
-                goto done;
-
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-
         /* Construct the header. */
-        extra_bytes = (4 - qp->s_cur_size) & 3;
-        nwords = (qp->s_cur_size + extra_bytes) >> 2;
-        lrh0 = IPS_LRH_BTH;
+        ohdr = &hdr.u.oth;
+        lrh0 = IPATH_LRH_BTH;
+        /* header size in 32-bit words LRH+BTH+AETH = (8+12+4)/4. */
+        hwords = 6;
         if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
-                ipath_make_rc_grh(qp, &qp->remote_ah_attr.grh, nwords);
-                lrh0 = IPS_LRH_GRH;
+                hwords += ipath_make_grh(dev, &hdr.u.l.grh,
+                                         &qp->remote_ah_attr.grh,
+                                         hwords, 0);
+                ohdr = &hdr.u.l.oth;
+                lrh0 = IPATH_LRH_GRH;
         }
+        /* read pkey_index w/o lock (its atomic) */
+        bth0 = ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
+        if (qp->r_nak_state)
+                ohdr->u.aeth = cpu_to_be32((qp->r_msn & IPATH_MSN_MASK) |
+                                            (qp->r_nak_state <<
+                                             IPATH_AETH_CREDIT_SHIFT));
+        else
+                ohdr->u.aeth = ipath_compute_aeth(qp);
+        if (qp->r_ack_state >= OP(COMPARE_SWAP)) {
+                bth0 |= OP(ATOMIC_ACKNOWLEDGE) << 24;
+                ohdr->u.at.atomic_ack_eth = cpu_to_be64(qp->r_atomic_data);
+                hwords += sizeof(ohdr->u.at.atomic_ack_eth) / 4;
+        } else
+                bth0 |= OP(ACKNOWLEDGE) << 24;
         lrh0 |= qp->remote_ah_attr.sl << 4;
-        qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
-        qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
-        qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords +
-                                       SIZE_OF_CRC);
-        qp->s_hdr.lrh[3] = cpu_to_be16(ipath_layer_get_lid(dev->dd));
-        bth0 |= ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
-        bth0 |= extra_bytes << 20;
+        hdr.lrh[0] = cpu_to_be16(lrh0);
+        hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
+        hdr.lrh[2] = cpu_to_be16(hwords + SIZE_OF_CRC);
+        hdr.lrh[3] = cpu_to_be16(ipath_layer_get_lid(dev->dd));
         ohdr->bth[0] = cpu_to_be32(bth0);
         ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
-        ohdr->bth[2] = cpu_to_be32(bth2);
+        ohdr->bth[2] = cpu_to_be32(qp->r_ack_psn & IPATH_PSN_MASK);
 
-        /* Check for more work to do. */
-        goto again;
+        /*
+         * If we can send the ACK, clear the ACK state.
+         */
+        if (ipath_verbs_send(dev->dd, hwords, (u32 *) &hdr, 0, NULL) == 0) {
+                qp->r_ack_state = OP(ACKNOWLEDGE);
+                dev->n_unicast_xmit++;
+        } else {
+                /*
+                 * We are out of PIO buffers at the moment.
+                 * Pass responsibility for sending the ACK to the
+                 * send tasklet so that when a PIO buffer becomes
+                 * available, the ACK is sent ahead of other outgoing
+                 * packets.
+                 */
+                dev->n_rc_qacks++;
+                spin_lock_irq(&qp->s_lock);
+                /* Don't coalesce if a RDMA read or atomic is pending. */
+                if (qp->s_ack_state == OP(ACKNOWLEDGE) ||
+                    qp->s_ack_state < OP(RDMA_READ_REQUEST)) {
+                        qp->s_ack_state = qp->r_ack_state;
+                        qp->s_nak_state = qp->r_nak_state;
+                        qp->s_ack_psn = qp->r_ack_psn;
+                        qp->r_ack_state = OP(ACKNOWLEDGE);
+                }
+                spin_unlock_irq(&qp->s_lock);
 
-done:
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-clear:
-        clear_bit(IPATH_S_BUSY, &qp->s_flags);
-bail:
-        return;
+                /* Call ipath_do_rc_send() in another thread. */
+                tasklet_hi_schedule(&qp->s_task);
+        }
 }
 
-static void send_rc_ack(struct ipath_qp *qp)
+/**
+ * reset_psn - reset the QP state to send starting from PSN
+ * @qp: the QP
+ * @psn: the packet sequence number to restart at
+ *
+ * This is called from ipath_rc_rcv() to process an incoming RC ACK
+ * for the given QP.
+ * Called at interrupt level with the QP s_lock held.
+ */
+static void reset_psn(struct ipath_qp *qp, u32 psn)
 {
-        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
-        u16 lrh0;
-        u32 bth0;
-        struct ipath_other_headers *ohdr;
+        u32 n = qp->s_last;
+        struct ipath_swqe *wqe = get_swqe_ptr(qp, n);
+        u32 opcode;
 
-        /* Construct the header. */
-        ohdr = &qp->s_hdr.u.oth;
-        lrh0 = IPS_LRH_BTH;
-        /* header size in 32-bit words LRH+BTH+AETH = (8+12+4)/4. */
-        qp->s_hdrwords = 6;
-        if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
-                ipath_make_rc_grh(qp, &qp->remote_ah_attr.grh, 0);
-                ohdr = &qp->s_hdr.u.l.oth;
-                lrh0 = IPS_LRH_GRH;
+        qp->s_cur = n;
+
+        /*
+         * If we are starting the request from the beginning,
+         * let the normal send code handle initialization.
+         */
+        if (ipath_cmp24(psn, wqe->psn) <= 0) {
+                qp->s_state = OP(SEND_LAST);
+                goto done;
         }
-        bth0 = ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
-        ohdr->u.aeth = ipath_compute_aeth(qp);
-        if (qp->s_ack_state >= OP(COMPARE_SWAP)) {
-                bth0 |= IB_OPCODE_ATOMIC_ACKNOWLEDGE << 24;
-                ohdr->u.at.atomic_ack_eth = cpu_to_be64(qp->s_ack_atomic);
-                qp->s_hdrwords += sizeof(ohdr->u.at.atomic_ack_eth) / 4;
+
+        /* Find the work request opcode corresponding to the given PSN. */
+        opcode = wqe->wr.opcode;
+        for (;;) {
+                int diff;
+
+                if (++n == qp->s_size)
+                        n = 0;
+                if (n == qp->s_tail)
+                        break;
+                wqe = get_swqe_ptr(qp, n);
+                diff = ipath_cmp24(psn, wqe->psn);
+                if (diff < 0)
+                        break;
+                qp->s_cur = n;
+                /*
+                 * If we are starting the request from the beginning,
+                 * let the normal send code handle initialization.
+                 */
+                if (diff == 0) {
+                        qp->s_state = OP(SEND_LAST);
+                        goto done;
+                }
+                opcode = wqe->wr.opcode;
         }
-        else
-                bth0 |= OP(ACKNOWLEDGE) << 24;
-        lrh0 |= qp->remote_ah_attr.sl << 4;
-        qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
-        qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
-        qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + SIZE_OF_CRC);
-        qp->s_hdr.lrh[3] = cpu_to_be16(ipath_layer_get_lid(dev->dd));
-        ohdr->bth[0] = cpu_to_be32(bth0);
-        ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
-        ohdr->bth[2] = cpu_to_be32(qp->s_ack_psn & IPS_PSN_MASK);
 
         /*
-         * If we can send the ACK, clear the ACK state.
+         * Set the state to restart in the middle of a request.
+         * Don't change the s_sge, s_cur_sge, or s_cur_size.
+         * See ipath_do_rc_send().
          */
-        if (ipath_verbs_send(dev->dd, qp->s_hdrwords, (u32 *) &qp->s_hdr,
-                             0, NULL) == 0) {
-                qp->s_ack_state = OP(ACKNOWLEDGE);
-                dev->n_rc_qacks++;
-                dev->n_unicast_xmit++;
+        switch (opcode) {
+        case IB_WR_SEND:
+        case IB_WR_SEND_WITH_IMM:
+                qp->s_state = OP(RDMA_READ_RESPONSE_FIRST);
+                break;
+
+        case IB_WR_RDMA_WRITE:
+        case IB_WR_RDMA_WRITE_WITH_IMM:
+                qp->s_state = OP(RDMA_READ_RESPONSE_LAST);
+                break;
+
+        case IB_WR_RDMA_READ:
+                qp->s_state = OP(RDMA_READ_RESPONSE_MIDDLE);
+                break;
+
+        default:
+                /*
+                 * This case shouldn't happen since its only
+                 * one PSN per req.
+                 */
+                qp->s_state = OP(SEND_LAST);
         }
+done:
+        qp->s_psn = psn;
 }
 
 /**
@@ -687,13 +681,12 @@ static void send_rc_ack(struct ipath_qp *qp)
  * @psn: packet sequence number for the request
  * @wc: the work completion request
  *
- * The QP s_lock should be held.
+ * The QP s_lock should be held and interrupts disabled.
  */
 void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc)
 {
         struct ipath_swqe *wqe = get_swqe_ptr(qp, qp->s_last);
         struct ipath_ibdev *dev;
-        u32 n;
 
         /*
          * If there are no requests pending, we are done.
@@ -735,62 +728,7 @@ void ipath_restart_rc(struct ipath_qp *qp, u32 psn, struct ib_wc *wc)
         else
                 dev->n_rc_resends += (int)qp->s_psn - (int)psn;
 
-        /*
-         * If we are starting the request from the beginning, let the normal
-         * send code handle initialization.
-         */
-        qp->s_cur = qp->s_last;
-        if (ipath_cmp24(psn, wqe->psn) <= 0) {
-                qp->s_state = OP(SEND_LAST);
-                qp->s_psn = wqe->psn;
-        } else {
-                n = qp->s_cur;
-                for (;;) {
-                        if (++n == qp->s_size)
-                                n = 0;
-                        if (n == qp->s_tail) {
-                                if (ipath_cmp24(psn, qp->s_next_psn) >= 0) {
-                                        qp->s_cur = n;
-                                        wqe = get_swqe_ptr(qp, n);
-                                }
-                                break;
-                        }
-                        wqe = get_swqe_ptr(qp, n);
-                        if (ipath_cmp24(psn, wqe->psn) < 0)
-                                break;
-                        qp->s_cur = n;
-                }
-                qp->s_psn = psn;
-
-                /*
-                 * Reset the state to restart in the middle of a request.
-                 * Don't change the s_sge, s_cur_sge, or s_cur_size.
-                 * See ipath_do_rc_send().
-                 */
-                switch (wqe->wr.opcode) {
-                case IB_WR_SEND:
-                case IB_WR_SEND_WITH_IMM:
-                        qp->s_state = OP(RDMA_READ_RESPONSE_FIRST);
-                        break;
-
-                case IB_WR_RDMA_WRITE:
-                case IB_WR_RDMA_WRITE_WITH_IMM:
-                        qp->s_state = OP(RDMA_READ_RESPONSE_LAST);
-                        break;
-
-                case IB_WR_RDMA_READ:
-                        qp->s_state =
-                                OP(RDMA_READ_RESPONSE_MIDDLE);
-                        break;
-
-                default:
-                        /*
-                         * This case shouldn't happen since its only
-                         * one PSN per req.
-                         */
-                        qp->s_state = OP(SEND_LAST);
-                }
-        }
+        reset_psn(qp, psn);
 
 done:
         tasklet_hi_schedule(&qp->s_task);
@@ -800,76 +738,14 @@ bail:
 }
 
 /**
- * reset_psn - reset the QP state to send starting from PSN
- * @qp: the QP
- * @psn: the packet sequence number to restart at
- *
- * This is called from ipath_rc_rcv() to process an incoming RC ACK
- * for the given QP.
- * Called at interrupt level with the QP s_lock held.
- */
-static void reset_psn(struct ipath_qp *qp, u32 psn)
-{
-        struct ipath_swqe *wqe;
-        u32 n;
-
-        n = qp->s_cur;
-        wqe = get_swqe_ptr(qp, n);
-        for (;;) {
-                if (++n == qp->s_size)
-                        n = 0;
-                if (n == qp->s_tail) {
-                        if (ipath_cmp24(psn, qp->s_next_psn) >= 0) {
-                                qp->s_cur = n;
-                                wqe = get_swqe_ptr(qp, n);
-                        }
-                        break;
-                }
-                wqe = get_swqe_ptr(qp, n);
-                if (ipath_cmp24(psn, wqe->psn) < 0)
-                        break;
-                qp->s_cur = n;
-        }
-        qp->s_psn = psn;
-
-        /*
-         * Set the state to restart in the middle of a
-         * request.  Don't change the s_sge, s_cur_sge, or
-         * s_cur_size.  See ipath_do_rc_send().
-         */
-        switch (wqe->wr.opcode) {
-        case IB_WR_SEND:
-        case IB_WR_SEND_WITH_IMM:
-                qp->s_state = OP(RDMA_READ_RESPONSE_FIRST);
-                break;
-
-        case IB_WR_RDMA_WRITE:
-        case IB_WR_RDMA_WRITE_WITH_IMM:
-                qp->s_state = OP(RDMA_READ_RESPONSE_LAST);
-                break;
-
-        case IB_WR_RDMA_READ:
-                qp->s_state = OP(RDMA_READ_RESPONSE_MIDDLE);
-                break;
-
-        default:
-                /*
-                 * This case shouldn't happen since its only
-                 * one PSN per req.
-                 */
-                qp->s_state = OP(SEND_LAST);
-        }
-}
-
-/**
  * do_rc_ack - process an incoming RC ACK
  * @qp: the QP the ACK came in on
  * @psn: the packet sequence number of the ACK
  * @opcode: the opcode of the request that resulted in the ACK
  *
- * This is called from ipath_rc_rcv() to process an incoming RC ACK
+ * This is called from ipath_rc_rcv_resp() to process an incoming RC ACK
  * for the given QP.
- * Called at interrupt level with the QP s_lock held.
+ * Called at interrupt level with the QP s_lock held and interrupts disabled.
  * Returns 1 if OK, 0 if current operation should be aborted (NAK).
  */
 static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode)
@@ -1006,26 +882,16 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode)
                 if (qp->s_last == qp->s_tail)
                         goto bail;
 
-                /* The last valid PSN seen is the previous request's. */
-                qp->s_last_psn = wqe->psn - 1;
+                /* The last valid PSN is the previous PSN. */
+                qp->s_last_psn = psn - 1;
 
                 dev->n_rc_resends += (int)qp->s_psn - (int)psn;
 
-                /*
-                 * If we are starting the request from the beginning, let
-                 * the normal send code handle initialization.
-                 */
-                qp->s_cur = qp->s_last;
-                wqe = get_swqe_ptr(qp, qp->s_cur);
-                if (ipath_cmp24(psn, wqe->psn) <= 0) {
-                        qp->s_state = OP(SEND_LAST);
-                        qp->s_psn = wqe->psn;
-                } else
-                        reset_psn(qp, psn);
+                reset_psn(qp, psn);
 
                 qp->s_rnr_timeout =
-                        ib_ipath_rnr_table[(aeth >> IPS_AETH_CREDIT_SHIFT) &
-                                           IPS_AETH_CREDIT_MASK];
+                        ib_ipath_rnr_table[(aeth >> IPATH_AETH_CREDIT_SHIFT) &
+                                           IPATH_AETH_CREDIT_MASK];
                 ipath_insert_rnr_queue(qp);
                 goto bail;
 
@@ -1033,8 +899,8 @@ static int do_rc_ack(struct ipath_qp *qp, u32 aeth, u32 psn, int opcode)
                 /* The last valid PSN seen is the previous request's. */
                 if (qp->s_last != qp->s_tail)
                         qp->s_last_psn = wqe->psn - 1;
-                switch ((aeth >> IPS_AETH_CREDIT_SHIFT) &
-                        IPS_AETH_CREDIT_MASK) {
+                switch ((aeth >> IPATH_AETH_CREDIT_SHIFT) &
+                        IPATH_AETH_CREDIT_MASK) {
                 case 0: /* PSN sequence error */
                         dev->n_seq_naks++;
                         /*
@@ -1182,32 +1048,33 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                         goto ack_done;
                 }
         rdma_read:
-        if (unlikely(qp->s_state != OP(RDMA_READ_REQUEST)))
-                goto ack_done;
-        if (unlikely(tlen != (hdrsize + pmtu + 4)))
-                goto ack_done;
-        if (unlikely(pmtu >= qp->s_len))
-                goto ack_done;
-        /* We got a response so update the timeout. */
-        if (unlikely(qp->s_last == qp->s_tail ||
-                     get_swqe_ptr(qp, qp->s_last)->wr.opcode !=
-                     IB_WR_RDMA_READ))
-                goto ack_done;
-        spin_lock(&dev->pending_lock);
-        if (qp->s_rnr_timeout == 0 && !list_empty(&qp->timerwait))
-                list_move_tail(&qp->timerwait,
-                               &dev->pending[dev->pending_index]);
-        spin_unlock(&dev->pending_lock);
-        /*
-         * Update the RDMA receive state but do the copy w/o holding the
-         * locks and blocking interrupts.  XXX Yet another place that
-         * affects relaxed RDMA order since we don't want s_sge modified.
-         */
-        qp->s_len -= pmtu;
-        qp->s_last_psn = psn;
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-        ipath_copy_sge(&qp->s_sge, data, pmtu);
-        goto bail;
+                if (unlikely(qp->s_state != OP(RDMA_READ_REQUEST)))
+                        goto ack_done;
+                if (unlikely(tlen != (hdrsize + pmtu + 4)))
+                        goto ack_done;
+                if (unlikely(pmtu >= qp->s_len))
+                        goto ack_done;
+                /* We got a response so update the timeout. */
+                if (unlikely(qp->s_last == qp->s_tail ||
+                             get_swqe_ptr(qp, qp->s_last)->wr.opcode !=
+                             IB_WR_RDMA_READ))
+                        goto ack_done;
+                spin_lock(&dev->pending_lock);
+                if (qp->s_rnr_timeout == 0 && !list_empty(&qp->timerwait))
+                        list_move_tail(&qp->timerwait,
+                                       &dev->pending[dev->pending_index]);
+                spin_unlock(&dev->pending_lock);
+                /*
+                 * Update the RDMA receive state but do the copy w/o
+                 * holding the locks and blocking interrupts.
+                 * XXX Yet another place that affects relaxed RDMA order
+                 * since we don't want s_sge modified.
+                 */
+                qp->s_len -= pmtu;
+                qp->s_last_psn = psn;
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                ipath_copy_sge(&qp->s_sge, data, pmtu);
+                goto bail;
 
         case OP(RDMA_READ_RESPONSE_LAST):
                 /* ACKs READ req. */
@@ -1230,18 +1097,12 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                  * ICRC (4).
                  */
                 if (unlikely(tlen <= (hdrsize + pad + 8))) {
-                        /*
-                         * XXX Need to generate an error CQ
-                         * entry.
-                         */
+                        /* XXX Need to generate an error CQ entry. */
                         goto ack_done;
                 }
                 tlen -= hdrsize + pad + 8;
                 if (unlikely(tlen != qp->s_len)) {
-                        /*
-                         * XXX Need to generate an error CQ
-                         * entry.
-                         */
+                        /* XXX Need to generate an error CQ entry. */
                         goto ack_done;
                 }
                 if (!header_in_data)
@@ -1254,9 +1115,12 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                 if (do_rc_ack(qp, aeth, psn, OP(RDMA_READ_RESPONSE_LAST))) {
                         /*
                          * Change the state so we contimue
-                         * processing new requests.
+                         * processing new requests and wake up the
+                         * tasklet if there are posted sends.
                          */
                         qp->s_state = OP(SEND_LAST);
+                        if (qp->s_tail != qp->s_head)
+                                tasklet_hi_schedule(&qp->s_task);
                 }
                 goto ack_done;
         }
@@ -1302,18 +1166,16 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
                  * Don't queue the NAK if a RDMA read, atomic, or
                  * NAK is pending though.
                  */
-                spin_lock(&qp->s_lock);
-                if ((qp->s_ack_state >= OP(RDMA_READ_REQUEST) &&
-                     qp->s_ack_state != IB_OPCODE_ACKNOWLEDGE) ||
-                    qp->s_nak_state != 0) {
-                        spin_unlock(&qp->s_lock);
+                if (qp->s_ack_state != OP(ACKNOWLEDGE) ||
+                    qp->r_nak_state != 0)
                         goto done;
+                if (qp->r_ack_state < OP(COMPARE_SWAP)) {
+                        qp->r_ack_state = OP(SEND_ONLY);
+                        qp->r_nak_state = IB_NAK_PSN_ERROR;
+                        /* Use the expected PSN. */
+                        qp->r_ack_psn = qp->r_psn;
                 }
-                qp->s_ack_state = OP(SEND_ONLY);
-                qp->s_nak_state = IB_NAK_PSN_ERROR;
-                /* Use the expected PSN. */
-                qp->s_ack_psn = qp->r_psn;
-                goto resched;
+                goto send_ack;
         }
 
         /*
@@ -1327,27 +1189,7 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
          * send the earliest so that RDMA reads can be restarted at
          * the requester's expected PSN.
          */
-        spin_lock(&qp->s_lock);
-        if (qp->s_ack_state != IB_OPCODE_ACKNOWLEDGE &&
-            ipath_cmp24(psn, qp->s_ack_psn) >= 0) {
-                if (qp->s_ack_state < IB_OPCODE_RDMA_READ_REQUEST)
-                        qp->s_ack_psn = psn;
-                spin_unlock(&qp->s_lock);
-                goto done;
-        }
-        switch (opcode) {
-        case OP(RDMA_READ_REQUEST):
-                /*
-                 * We have to be careful to not change s_rdma_sge
-                 * while ipath_do_rc_send() is using it and not
-                 * holding the s_lock.
-                 */
-                if (qp->s_ack_state != OP(ACKNOWLEDGE) &&
-                    qp->s_ack_state >= IB_OPCODE_RDMA_READ_REQUEST) {
-                        spin_unlock(&qp->s_lock);
-                        dev->n_rdma_dup_busy++;
-                        goto done;
-                }
+        if (opcode == OP(RDMA_READ_REQUEST)) {
                 /* RETH comes after BTH */
                 if (!header_in_data)
                         reth = &ohdr->u.rc.reth;
@@ -1355,6 +1197,22 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
                         reth = (struct ib_reth *)data;
                         data += sizeof(*reth);
                 }
+                /*
+                 * If we receive a duplicate RDMA request, it means the
+                 * requester saw a sequence error and needs to restart
+                 * from an earlier point.  We can abort the current
+                 * RDMA read send in that case.
+                 */
+                spin_lock_irq(&qp->s_lock);
+                if (qp->s_ack_state != OP(ACKNOWLEDGE) &&
+                    (qp->s_hdrwords || ipath_cmp24(psn, qp->s_ack_psn) >= 0)) {
+                        /*
+                         * We are already sending earlier requested data.
+                         * Don't abort it to send later out of sequence data.
+                         */
+                        spin_unlock_irq(&qp->s_lock);
+                        goto done;
+                }
                 qp->s_rdma_len = be32_to_cpu(reth->length);
                 if (qp->s_rdma_len != 0) {
                         u32 rkey = be32_to_cpu(reth->rkey);
@@ -1368,8 +1226,10 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
                         ok = ipath_rkey_ok(dev, &qp->s_rdma_sge,
                                            qp->s_rdma_len, vaddr, rkey,
                                            IB_ACCESS_REMOTE_READ);
-                        if (unlikely(!ok))
+                        if (unlikely(!ok)) {
+                                spin_unlock_irq(&qp->s_lock);
                                 goto done;
+                        }
                 } else {
                         qp->s_rdma_sge.sg_list = NULL;
                         qp->s_rdma_sge.num_sge = 0;
@@ -1378,25 +1238,44 @@ static inline int ipath_rc_rcv_error(struct ipath_ibdev *dev,
                         qp->s_rdma_sge.sge.length = 0;
                         qp->s_rdma_sge.sge.sge_length = 0;
                 }
-                break;
+                qp->s_ack_state = opcode;
+                qp->s_ack_psn = psn;
+                spin_unlock_irq(&qp->s_lock);
+                tasklet_hi_schedule(&qp->s_task);
+                goto send_ack;
+        }
+
+        /*
+         * A pending RDMA read will ACK anything before it so
+         * ignore earlier duplicate requests.
+         */
+        if (qp->s_ack_state != OP(ACKNOWLEDGE))
+                goto done;
 
+        /*
+         * If an ACK is pending, don't replace the pending ACK
+         * with an earlier one since the later one will ACK the earlier.
+         * Also, if we already have a pending atomic, send it.
+         */
+        if (qp->r_ack_state != OP(ACKNOWLEDGE) &&
+            (ipath_cmp24(psn, qp->r_ack_psn) <= 0 ||
+             qp->r_ack_state >= OP(COMPARE_SWAP)))
+                goto send_ack;
+        switch (opcode) {
         case OP(COMPARE_SWAP):
         case OP(FETCH_ADD):
                 /*
-                 * Check for the PSN of the last atomic operations
+                 * Check for the PSN of the last atomic operation
                  * performed and resend the result if found.
                  */
-                if ((psn & IPS_PSN_MASK) != qp->r_atomic_psn) {
-                        spin_unlock(&qp->s_lock);
+                if ((psn & IPATH_PSN_MASK) != qp->r_atomic_psn)
                         goto done;
-                }
-                qp->s_ack_atomic = qp->r_atomic_data;
                 break;
         }
-        qp->s_ack_state = opcode;
-        qp->s_nak_state = 0;
-        qp->s_ack_psn = psn;
-resched:
+        qp->r_ack_state = opcode;
+        qp->r_nak_state = 0;
+        qp->r_ack_psn = psn;
+send_ack:
         return 0;
 
 done:
@@ -1424,7 +1303,6 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         u32 hdrsize;
         u32 psn;
         u32 pad;
-        unsigned long flags;
         struct ib_wc wc;
         u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
         int diff;
@@ -1453,11 +1331,6 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                 } else
                         psn = be32_to_cpu(ohdr->bth[2]);
         }
-        /*
-         * The opcode is in the low byte when its in network order
-         * (top byte when in host order).
-         */
-        opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
 
         /*
          * Process responses (ACKs) before anything else.  Note that the
@@ -1465,22 +1338,21 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
          * queue rather than the expected receive packet sequence number.
          * In other words, this QP is the requester.
          */
+        opcode = be32_to_cpu(ohdr->bth[0]) >> 24;
         if (opcode >= OP(RDMA_READ_RESPONSE_FIRST) &&
             opcode <= OP(ATOMIC_ACKNOWLEDGE)) {
                 ipath_rc_rcv_resp(dev, ohdr, data, tlen, qp, opcode, psn,
                                   hdrsize, pmtu, header_in_data);
-                goto bail;
+                goto done;
         }
 
-        spin_lock_irqsave(&qp->r_rq.lock, flags);
-
         /* Compute 24 bits worth of difference. */
         diff = ipath_cmp24(psn, qp->r_psn);
         if (unlikely(diff)) {
                 if (ipath_rc_rcv_error(dev, ohdr, data, qp, opcode,
                                        psn, diff, header_in_data))
                         goto done;
-                goto resched;
+                goto send_ack;
         }
 
         /* Check for opcode sequence errors. */
@@ -1492,22 +1364,19 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                     opcode == OP(SEND_LAST_WITH_IMMEDIATE))
                         break;
         nack_inv:
-        /*
-         * A NAK will ACK earlier sends and RDMA writes.  Don't queue the
-         * NAK if a RDMA read, atomic, or NAK is pending though.
-         */
-        spin_lock(&qp->s_lock);
-        if (qp->s_ack_state >= OP(RDMA_READ_REQUEST) &&
-            qp->s_ack_state != IB_OPCODE_ACKNOWLEDGE) {
-                spin_unlock(&qp->s_lock);
-                goto done;
-        }
-        /* XXX Flush WQEs */
-        qp->state = IB_QPS_ERR;
-        qp->s_ack_state = OP(SEND_ONLY);
-        qp->s_nak_state = IB_NAK_INVALID_REQUEST;
-        qp->s_ack_psn = qp->r_psn;
-        goto resched;
+                /*
+                 * A NAK will ACK earlier sends and RDMA writes.
+                 * Don't queue the NAK if a RDMA read, atomic, or NAK
+                 * is pending though.
+                 */
+                if (qp->r_ack_state >= OP(COMPARE_SWAP))
+                        goto send_ack;
+                /* XXX Flush WQEs */
+                qp->state = IB_QPS_ERR;
+                qp->r_ack_state = OP(SEND_ONLY);
+                qp->r_nak_state = IB_NAK_INVALID_REQUEST;
+                qp->r_ack_psn = qp->r_psn;
+                goto send_ack;
 
         case OP(RDMA_WRITE_FIRST):
         case OP(RDMA_WRITE_MIDDLE):
@@ -1517,20 +1386,6 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         break;
                 goto nack_inv;
 
-        case OP(RDMA_READ_REQUEST):
-        case OP(COMPARE_SWAP):
-        case OP(FETCH_ADD):
-                /*
-                 * Drop all new requests until a response has been sent.  A
-                 * new request then ACKs the RDMA response we sent.  Relaxed
-                 * ordering would allow new requests to be processed but we
-                 * would need to keep a queue of rwqe's for all that are in
-                 * progress.  Note that we can't RNR NAK this request since
-                 * the RDMA READ or atomic response is already queued to be
-                 * sent (unless we implement a response send queue).
-                 */
-                goto done;
-
         default:
                 if (opcode == OP(SEND_MIDDLE) ||
                     opcode == OP(SEND_LAST) ||
@@ -1539,6 +1394,11 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                     opcode == OP(RDMA_WRITE_LAST) ||
                     opcode == OP(RDMA_WRITE_LAST_WITH_IMMEDIATE))
                         goto nack_inv;
+                /*
+                 * Note that it is up to the requester to not send a new
+                 * RDMA read or atomic operation before receiving an ACK
+                 * for the previous operation.
+                 */
                 break;
         }
 
@@ -1555,17 +1415,12 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                          * Don't queue the NAK if a RDMA read or atomic
                          * is pending though.
                          */
-                        spin_lock(&qp->s_lock);
-                        if (qp->s_ack_state >=
-                            OP(RDMA_READ_REQUEST) &&
-                            qp->s_ack_state != IB_OPCODE_ACKNOWLEDGE) {
-                                spin_unlock(&qp->s_lock);
-                                goto done;
-                        }
-                        qp->s_ack_state = OP(SEND_ONLY);
-                        qp->s_nak_state = IB_RNR_NAK | qp->s_min_rnr_timer;
-                        qp->s_ack_psn = qp->r_psn;
-                        goto resched;
+                        if (qp->r_ack_state >= OP(COMPARE_SWAP))
+                                goto send_ack;
+                        qp->r_ack_state = OP(SEND_ONLY);
+                        qp->r_nak_state = IB_RNR_NAK | qp->r_min_rnr_timer;
+                        qp->r_ack_psn = qp->r_psn;
+                        goto send_ack;
                 }
                 qp->r_rcv_len = 0;
                 /* FALLTHROUGH */
@@ -1622,7 +1477,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                 if (unlikely(wc.byte_len > qp->r_len))
                         goto nack_inv;
                 ipath_copy_sge(&qp->r_sge, data, tlen);
-                atomic_inc(&qp->msn);
+                qp->r_msn++;
                 if (opcode == OP(RDMA_WRITE_LAST) ||
                     opcode == OP(RDMA_WRITE_ONLY))
                         break;
@@ -1666,29 +1521,8 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         ok = ipath_rkey_ok(dev, &qp->r_sge,
                                            qp->r_len, vaddr, rkey,
                                            IB_ACCESS_REMOTE_WRITE);
-                        if (unlikely(!ok)) {
-                        nack_acc:
-                                /*
-                                 * A NAK will ACK earlier sends and RDMA
-                                 * writes.  Don't queue the NAK if a RDMA
-                                 * read, atomic, or NAK is pending though.
-                                 */
-                                spin_lock(&qp->s_lock);
-                                if (qp->s_ack_state >=
-                                    OP(RDMA_READ_REQUEST) &&
-                                    qp->s_ack_state !=
-                                    IB_OPCODE_ACKNOWLEDGE) {
-                                        spin_unlock(&qp->s_lock);
-                                        goto done;
-                                }
-                                /* XXX Flush WQEs */
-                                qp->state = IB_QPS_ERR;
-                                qp->s_ack_state = OP(RDMA_WRITE_ONLY);
-                                qp->s_nak_state =
-                                        IB_NAK_REMOTE_ACCESS_ERROR;
-                                qp->s_ack_psn = qp->r_psn;
-                                goto resched;
-                        }
+                        if (unlikely(!ok))
+                                goto nack_acc;
                 } else {
                         qp->r_sge.sg_list = NULL;
                         qp->r_sge.sge.mr = NULL;
@@ -1715,12 +1549,10 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         reth = (struct ib_reth *)data;
                         data += sizeof(*reth);
                 }
-                spin_lock(&qp->s_lock);
-                if (qp->s_ack_state != OP(ACKNOWLEDGE) &&
-                    qp->s_ack_state >= IB_OPCODE_RDMA_READ_REQUEST) {
-                        spin_unlock(&qp->s_lock);
-                        goto done;
-                }
+                if (unlikely(!(qp->qp_access_flags &
+                               IB_ACCESS_REMOTE_READ)))
+                        goto nack_acc;
+                spin_lock_irq(&qp->s_lock);
                 qp->s_rdma_len = be32_to_cpu(reth->length);
                 if (qp->s_rdma_len != 0) {
                         u32 rkey = be32_to_cpu(reth->rkey);
@@ -1732,7 +1564,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                                            qp->s_rdma_len, vaddr, rkey,
                                            IB_ACCESS_REMOTE_READ);
                         if (unlikely(!ok)) {
-                                spin_unlock(&qp->s_lock);
+                                spin_unlock_irq(&qp->s_lock);
                                 goto nack_acc;
                         }
                         /*
@@ -1749,21 +1581,25 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         qp->s_rdma_sge.sge.length = 0;
                         qp->s_rdma_sge.sge.sge_length = 0;
                 }
-                if (unlikely(!(qp->qp_access_flags &
-                               IB_ACCESS_REMOTE_READ)))
-                        goto nack_acc;
                 /*
                  * We need to increment the MSN here instead of when we
                  * finish sending the result since a duplicate request would
                  * increment it more than once.
                  */
-                atomic_inc(&qp->msn);
+                qp->r_msn++;
+
                 qp->s_ack_state = opcode;
-                qp->s_nak_state = 0;
                 qp->s_ack_psn = psn;
+                spin_unlock_irq(&qp->s_lock);
+
                 qp->r_psn++;
                 qp->r_state = opcode;
-                goto rdmadone;
+                qp->r_nak_state = 0;
+
+                /* Call ipath_do_rc_send() in another thread. */
+                tasklet_hi_schedule(&qp->s_task);
+
+                goto done;
 
         case OP(COMPARE_SWAP):
         case OP(FETCH_ADD): {
@@ -1792,7 +1628,7 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         goto nack_acc;
                 /* Perform atomic OP and save result. */
                 sdata = be64_to_cpu(ateth->swap_data);
-                spin_lock(&dev->pending_lock);
+                spin_lock_irq(&dev->pending_lock);
                 qp->r_atomic_data = *(u64 *) qp->r_sge.sge.vaddr;
                 if (opcode == OP(FETCH_ADD))
                         *(u64 *) qp->r_sge.sge.vaddr =
@@ -1800,9 +1636,9 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                 else if (qp->r_atomic_data ==
                          be64_to_cpu(ateth->compare_data))
                         *(u64 *) qp->r_sge.sge.vaddr = sdata;
-                spin_unlock(&dev->pending_lock);
-                atomic_inc(&qp->msn);
-                qp->r_atomic_psn = psn & IPS_PSN_MASK;
+                spin_unlock_irq(&dev->pending_lock);
+                qp->r_msn++;
+                qp->r_atomic_psn = psn & IPATH_PSN_MASK;
                 psn |= 1 << 31;
                 break;
         }
@@ -1813,44 +1649,39 @@ void ipath_rc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         }
         qp->r_psn++;
         qp->r_state = opcode;
+        qp->r_nak_state = 0;
         /* Send an ACK if requested or required. */
         if (psn & (1 << 31)) {
                 /*
                  * Coalesce ACKs unless there is a RDMA READ or
                  * ATOMIC pending.
                  */
-                spin_lock(&qp->s_lock);
-                if (qp->s_ack_state == OP(ACKNOWLEDGE) ||
-                    qp->s_ack_state < IB_OPCODE_RDMA_READ_REQUEST) {
-                        qp->s_ack_state = opcode;
-                        qp->s_nak_state = 0;
-                        qp->s_ack_psn = psn;
-                        qp->s_ack_atomic = qp->r_atomic_data;
-                        goto resched;
+                if (qp->r_ack_state < OP(COMPARE_SWAP)) {
+                        qp->r_ack_state = opcode;
+                        qp->r_ack_psn = psn;
                 }
-                spin_unlock(&qp->s_lock);
+                goto send_ack;
         }
-done:
-        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
-        goto bail;
+        goto done;
 
-resched:
+nack_acc:
         /*
-         * Try to send ACK right away but not if ipath_do_rc_send() is
-         * active.
+         * A NAK will ACK earlier sends and RDMA writes.
+         * Don't queue the NAK if a RDMA read, atomic, or NAK
+         * is pending though.
          */
-        if (qp->s_hdrwords == 0 &&
-            (qp->s_ack_state < IB_OPCODE_RDMA_READ_REQUEST ||
-             qp->s_ack_state >= IB_OPCODE_COMPARE_SWAP))
+        if (qp->r_ack_state < OP(COMPARE_SWAP)) {
+                /* XXX Flush WQEs */
+                qp->state = IB_QPS_ERR;
+                qp->r_ack_state = OP(RDMA_WRITE_ONLY);
+                qp->r_nak_state = IB_NAK_REMOTE_ACCESS_ERROR;
+                qp->r_ack_psn = qp->r_psn;
+        }
+send_ack:
+        /* Send ACK right away unless the send tasklet has a pending ACK. */
+        if (qp->s_ack_state == OP(ACKNOWLEDGE))
                 send_rc_ack(qp);
 
-rdmadone:
-        spin_unlock(&qp->s_lock);
-        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
-
-        /* Call ipath_do_rc_send() in another thread. */
-        tasklet_hi_schedule(&qp->s_task);
-
-bail:
+done:
         return;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 402126eb79c9..89df8f5ea998 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/hw/ipath/ipath_ruc.c b/drivers/infiniband/hw/ipath/ipath_ruc.c
index d38f4f3cfd1d..772bc59fb85c 100644
--- a/drivers/infiniband/hw/ipath/ipath_ruc.c
+++ b/drivers/infiniband/hw/ipath/ipath_ruc.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -31,6 +32,7 @@
  */
 
 #include "ipath_verbs.h"
+#include "ipath_common.h"
 
 /*
  * Convert the AETH RNR timeout code into the number of milliseconds.
@@ -111,20 +113,23 @@ void ipath_insert_rnr_queue(struct ipath_qp *qp)
  *
  * Return 0 if no RWQE is available, otherwise return 1.
  *
- * Called at interrupt level with the QP r_rq.lock held.
+ * Can be called from interrupt level.
  */
 int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
 {
+        unsigned long flags;
         struct ipath_rq *rq;
         struct ipath_srq *srq;
         struct ipath_rwqe *wqe;
-        int ret;
+        int ret = 1;
 
         if (!qp->ibqp.srq) {
                 rq = &qp->r_rq;
+                spin_lock_irqsave(&rq->lock, flags);
+
                 if (unlikely(rq->tail == rq->head)) {
                         ret = 0;
-                        goto bail;
+                        goto done;
                 }
                 wqe = get_rwqe_ptr(rq, rq->tail);
                 qp->r_wr_id = wqe->wr_id;
@@ -136,17 +141,16 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
                 }
                 if (++rq->tail >= rq->size)
                         rq->tail = 0;
-                ret = 1;
-                goto bail;
+                goto done;
         }
 
         srq = to_isrq(qp->ibqp.srq);
         rq = &srq->rq;
-        spin_lock(&rq->lock);
+        spin_lock_irqsave(&rq->lock, flags);
+
         if (unlikely(rq->tail == rq->head)) {
-                spin_unlock(&rq->lock);
                 ret = 0;
-                goto bail;
+                goto done;
         }
         wqe = get_rwqe_ptr(rq, rq->tail);
         qp->r_wr_id = wqe->wr_id;
@@ -168,18 +172,18 @@ int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only)
                         n = rq->head - rq->tail;
                 if (n < srq->limit) {
                         srq->limit = 0;
-                        spin_unlock(&rq->lock);
+                        spin_unlock_irqrestore(&rq->lock, flags);
                         ev.device = qp->ibqp.device;
                         ev.element.srq = qp->ibqp.srq;
                         ev.event = IB_EVENT_SRQ_LIMIT_REACHED;
                         srq->ibsrq.event_handler(&ev,
                                                  srq->ibsrq.srq_context);
-                } else
-                        spin_unlock(&rq->lock);
-        } else
-                spin_unlock(&rq->lock);
-        ret = 1;
+                        goto bail;
+                }
+        }
 
+done:
+        spin_unlock_irqrestore(&rq->lock, flags);
 bail:
         return ret;
 }
@@ -187,7 +191,6 @@ bail:
 /**
  * ipath_ruc_loopback - handle UC and RC lookback requests
  * @sqp: the loopback QP
- * @wc: the work completion entry
  *
  * This is called from ipath_do_uc_send() or ipath_do_rc_send() to
  * forward a WQE addressed to the same HCA.
@@ -196,13 +199,14 @@ bail:
  * receive interrupts since this is a connected protocol and all packets
  * will pass through here.
  */
-void ipath_ruc_loopback(struct ipath_qp *sqp, struct ib_wc *wc)
+static void ipath_ruc_loopback(struct ipath_qp *sqp)
 {
         struct ipath_ibdev *dev = to_idev(sqp->ibqp.device);
         struct ipath_qp *qp;
         struct ipath_swqe *wqe;
         struct ipath_sge *sge;
         unsigned long flags;
+        struct ib_wc wc;
         u64 sdata;
 
         qp = ipath_lookup_qpn(&dev->qp_table, sqp->remote_qpn);
@@ -233,8 +237,8 @@ again:
         wqe = get_swqe_ptr(sqp, sqp->s_last);
         spin_unlock_irqrestore(&sqp->s_lock, flags);
 
-        wc->wc_flags = 0;
-        wc->imm_data = 0;
+        wc.wc_flags = 0;
+        wc.imm_data = 0;
 
         sqp->s_sge.sge = wqe->sg_list[0];
         sqp->s_sge.sg_list = wqe->sg_list + 1;
@@ -242,39 +246,34 @@ again:
         sqp->s_len = wqe->length;
         switch (wqe->wr.opcode) {
         case IB_WR_SEND_WITH_IMM:
-                wc->wc_flags = IB_WC_WITH_IMM;
-                wc->imm_data = wqe->wr.imm_data;
+                wc.wc_flags = IB_WC_WITH_IMM;
+                wc.imm_data = wqe->wr.imm_data;
                 /* FALLTHROUGH */
         case IB_WR_SEND:
-                spin_lock_irqsave(&qp->r_rq.lock, flags);
                 if (!ipath_get_rwqe(qp, 0)) {
                 rnr_nak:
-                        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
                         /* Handle RNR NAK */
                         if (qp->ibqp.qp_type == IB_QPT_UC)
                                 goto send_comp;
                         if (sqp->s_rnr_retry == 0) {
-                                wc->status = IB_WC_RNR_RETRY_EXC_ERR;
+                                wc.status = IB_WC_RNR_RETRY_EXC_ERR;
                                 goto err;
                         }
                         if (sqp->s_rnr_retry_cnt < 7)
                                 sqp->s_rnr_retry--;
                         dev->n_rnr_naks++;
                         sqp->s_rnr_timeout =
-                                ib_ipath_rnr_table[sqp->s_min_rnr_timer];
+                                ib_ipath_rnr_table[sqp->r_min_rnr_timer];
                         ipath_insert_rnr_queue(sqp);
                         goto done;
                 }
-                spin_unlock_irqrestore(&qp->r_rq.lock, flags);
                 break;
 
         case IB_WR_RDMA_WRITE_WITH_IMM:
-                wc->wc_flags = IB_WC_WITH_IMM;
-                wc->imm_data = wqe->wr.imm_data;
-                spin_lock_irqsave(&qp->r_rq.lock, flags);
+                wc.wc_flags = IB_WC_WITH_IMM;
+                wc.imm_data = wqe->wr.imm_data;
                 if (!ipath_get_rwqe(qp, 1))
                         goto rnr_nak;
-                spin_unlock_irqrestore(&qp->r_rq.lock, flags);
                 /* FALLTHROUGH */
         case IB_WR_RDMA_WRITE:
                 if (wqe->length == 0)
@@ -284,20 +283,20 @@ again:
                                             wqe->wr.wr.rdma.rkey,
                                             IB_ACCESS_REMOTE_WRITE))) {
                 acc_err:
-                        wc->status = IB_WC_REM_ACCESS_ERR;
+                        wc.status = IB_WC_REM_ACCESS_ERR;
                 err:
-                        wc->wr_id = wqe->wr.wr_id;
-                        wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                        wc->vendor_err = 0;
-                        wc->byte_len = 0;
-                        wc->qp_num = sqp->ibqp.qp_num;
-                        wc->src_qp = sqp->remote_qpn;
-                        wc->pkey_index = 0;
-                        wc->slid = sqp->remote_ah_attr.dlid;
-                        wc->sl = sqp->remote_ah_attr.sl;
-                        wc->dlid_path_bits = 0;
-                        wc->port_num = 0;
-                        ipath_sqerror_qp(sqp, wc);
+                        wc.wr_id = wqe->wr.wr_id;
+                        wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
+                        wc.vendor_err = 0;
+                        wc.byte_len = 0;
+                        wc.qp_num = sqp->ibqp.qp_num;
+                        wc.src_qp = sqp->remote_qpn;
+                        wc.pkey_index = 0;
+                        wc.slid = sqp->remote_ah_attr.dlid;
+                        wc.sl = sqp->remote_ah_attr.sl;
+                        wc.dlid_path_bits = 0;
+                        wc.port_num = 0;
+                        ipath_sqerror_qp(sqp, &wc);
                         goto done;
                 }
                 break;
@@ -373,22 +372,22 @@ again:
                 goto send_comp;
 
         if (wqe->wr.opcode == IB_WR_RDMA_WRITE_WITH_IMM)
-                wc->opcode = IB_WC_RECV_RDMA_WITH_IMM;
+                wc.opcode = IB_WC_RECV_RDMA_WITH_IMM;
         else
-                wc->opcode = IB_WC_RECV;
-        wc->wr_id = qp->r_wr_id;
-        wc->status = IB_WC_SUCCESS;
-        wc->vendor_err = 0;
-        wc->byte_len = wqe->length;
-        wc->qp_num = qp->ibqp.qp_num;
-        wc->src_qp = qp->remote_qpn;
+                wc.opcode = IB_WC_RECV;
+        wc.wr_id = qp->r_wr_id;
+        wc.status = IB_WC_SUCCESS;
+        wc.vendor_err = 0;
+        wc.byte_len = wqe->length;
+        wc.qp_num = qp->ibqp.qp_num;
+        wc.src_qp = qp->remote_qpn;
         /* XXX do we know which pkey matched? Only needed for GSI. */
-        wc->pkey_index = 0;
-        wc->slid = qp->remote_ah_attr.dlid;
-        wc->sl = qp->remote_ah_attr.sl;
-        wc->dlid_path_bits = 0;
+        wc.pkey_index = 0;
+        wc.slid = qp->remote_ah_attr.dlid;
+        wc.sl = qp->remote_ah_attr.sl;
+        wc.dlid_path_bits = 0;
         /* Signal completion event if the solicited bit is set. */
-        ipath_cq_enter(to_icq(qp->ibqp.recv_cq), wc,
+        ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
                        wqe->wr.send_flags & IB_SEND_SOLICITED);
 
 send_comp:
@@ -396,19 +395,19 @@ send_comp:
 
         if (!test_bit(IPATH_S_SIGNAL_REQ_WR, &sqp->s_flags) ||
             (wqe->wr.send_flags & IB_SEND_SIGNALED)) {
-                wc->wr_id = wqe->wr.wr_id;
-                wc->status = IB_WC_SUCCESS;
-                wc->opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
-                wc->vendor_err = 0;
-                wc->byte_len = wqe->length;
-                wc->qp_num = sqp->ibqp.qp_num;
-                wc->src_qp = 0;
-                wc->pkey_index = 0;
-                wc->slid = 0;
-                wc->sl = 0;
-                wc->dlid_path_bits = 0;
-                wc->port_num = 0;
-                ipath_cq_enter(to_icq(sqp->ibqp.send_cq), wc, 0);
+                wc.wr_id = wqe->wr.wr_id;
+                wc.status = IB_WC_SUCCESS;
+                wc.opcode = ib_ipath_wc_opcode[wqe->wr.opcode];
+                wc.vendor_err = 0;
+                wc.byte_len = wqe->length;
+                wc.qp_num = sqp->ibqp.qp_num;
+                wc.src_qp = 0;
+                wc.pkey_index = 0;
+                wc.slid = 0;
+                wc.sl = 0;
+                wc.dlid_path_bits = 0;
+                wc.port_num = 0;
+                ipath_cq_enter(to_icq(sqp->ibqp.send_cq), &wc, 0);
         }
 
         /* Update s_last now that we are finished with the SWQE */
@@ -454,11 +453,11 @@ void ipath_no_bufs_available(struct ipath_qp *qp, struct ipath_ibdev *dev)
 }
 
 /**
- * ipath_post_rc_send - post RC and UC sends
+ * ipath_post_ruc_send - post RC and UC sends
  * @qp: the QP to post on
  * @wr: the work request to send
  */
-int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
+int ipath_post_ruc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
 {
         struct ipath_swqe *wqe;
         unsigned long flags;
@@ -533,13 +532,149 @@ int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr)
         qp->s_head = next;
         spin_unlock_irqrestore(&qp->s_lock, flags);
 
-        if (qp->ibqp.qp_type == IB_QPT_UC)
-                ipath_do_uc_send((unsigned long) qp);
-        else
-                ipath_do_rc_send((unsigned long) qp);
+        ipath_do_ruc_send((unsigned long) qp);
 
         ret = 0;
 
 bail:
         return ret;
 }
+
+/**
+ * ipath_make_grh - construct a GRH header
+ * @dev: a pointer to the ipath device
+ * @hdr: a pointer to the GRH header being constructed
+ * @grh: the global route address to send to
+ * @hwords: the number of 32 bit words of header being sent
+ * @nwords: the number of 32 bit words of data being sent
+ *
+ * Return the size of the header in 32 bit words.
+ */
+u32 ipath_make_grh(struct ipath_ibdev *dev, struct ib_grh *hdr,
+                   struct ib_global_route *grh, u32 hwords, u32 nwords)
+{
+        hdr->version_tclass_flow =
+                cpu_to_be32((6 << 28) |
+                            (grh->traffic_class << 20) |
+                            grh->flow_label);
+        hdr->paylen = cpu_to_be16((hwords - 2 + nwords + SIZE_OF_CRC) << 2);
+        /* next_hdr is defined by C8-7 in ch. 8.4.1 */
+        hdr->next_hdr = 0x1B;
+        hdr->hop_limit = grh->hop_limit;
+        /* The SGID is 32-bit aligned. */
+        hdr->sgid.global.subnet_prefix = dev->gid_prefix;
+        hdr->sgid.global.interface_id = ipath_layer_get_guid(dev->dd);
+        hdr->dgid = grh->dgid;
+
+        /* GRH header size in 32-bit words. */
+        return sizeof(struct ib_grh) / sizeof(u32);
+}
+
+/**
+ * ipath_do_ruc_send - perform a send on an RC or UC QP
+ * @data: contains a pointer to the QP
+ *
+ * Process entries in the send work queue until credit or queue is
+ * exhausted.  Only allow one CPU to send a packet per QP (tasklet).
+ * Otherwise, after we drop the QP s_lock, two threads could send
+ * packets out of order.
+ */
+void ipath_do_ruc_send(unsigned long data)
+{
+        struct ipath_qp *qp = (struct ipath_qp *)data;
+        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
+        unsigned long flags;
+        u16 lrh0;
+        u32 nwords;
+        u32 extra_bytes;
+        u32 bth0;
+        u32 bth2;
+        u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
+        struct ipath_other_headers *ohdr;
+
+        if (test_and_set_bit(IPATH_S_BUSY, &qp->s_flags))
+                goto bail;
+
+        if (unlikely(qp->remote_ah_attr.dlid ==
+                     ipath_layer_get_lid(dev->dd))) {
+                ipath_ruc_loopback(qp);
+                goto clear;
+        }
+
+        ohdr = &qp->s_hdr.u.oth;
+        if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
+                ohdr = &qp->s_hdr.u.l.oth;
+
+again:
+        /* Check for a constructed packet to be sent. */
+        if (qp->s_hdrwords != 0) {
+                /*
+                 * If no PIO bufs are available, return.  An interrupt will
+                 * call ipath_ib_piobufavail() when one is available.
+                 */
+                if (ipath_verbs_send(dev->dd, qp->s_hdrwords,
+                                     (u32 *) &qp->s_hdr, qp->s_cur_size,
+                                     qp->s_cur_sge)) {
+                        ipath_no_bufs_available(qp, dev);
+                        goto bail;
+                }
+                dev->n_unicast_xmit++;
+                /* Record that we sent the packet and s_hdr is empty. */
+                qp->s_hdrwords = 0;
+        }
+
+        /*
+         * The lock is needed to synchronize between setting
+         * qp->s_ack_state, resend timer, and post_send().
+         */
+        spin_lock_irqsave(&qp->s_lock, flags);
+
+        /* Sending responses has higher priority over sending requests. */
+        if (qp->s_ack_state != IB_OPCODE_RC_ACKNOWLEDGE &&
+            (bth0 = ipath_make_rc_ack(qp, ohdr, pmtu)) != 0)
+                bth2 = qp->s_ack_psn++ & IPATH_PSN_MASK;
+        else if (!((qp->ibqp.qp_type == IB_QPT_RC) ?
+                   ipath_make_rc_req(qp, ohdr, pmtu, &bth0, &bth2) :
+                   ipath_make_uc_req(qp, ohdr, pmtu, &bth0, &bth2))) {
+                /*
+                 * Clear the busy bit before unlocking to avoid races with
+                 * adding new work queue items and then failing to process
+                 * them.
+                 */
+                clear_bit(IPATH_S_BUSY, &qp->s_flags);
+                spin_unlock_irqrestore(&qp->s_lock, flags);
+                goto bail;
+        }
+
+        spin_unlock_irqrestore(&qp->s_lock, flags);
+
+        /* Construct the header. */
+        extra_bytes = (4 - qp->s_cur_size) & 3;
+        nwords = (qp->s_cur_size + extra_bytes) >> 2;
+        lrh0 = IPATH_LRH_BTH;
+        if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
+                qp->s_hdrwords += ipath_make_grh(dev, &qp->s_hdr.u.l.grh,
+                                                 &qp->remote_ah_attr.grh,
+                                                 qp->s_hdrwords, nwords);
+                lrh0 = IPATH_LRH_GRH;
+        }
+        lrh0 |= qp->remote_ah_attr.sl << 4;
+        qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
+        qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
+        qp->s_hdr.lrh[2] = cpu_to_be16(qp->s_hdrwords + nwords +
+                                       SIZE_OF_CRC);
+        qp->s_hdr.lrh[3] = cpu_to_be16(ipath_layer_get_lid(dev->dd));
+        bth0 |= ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
+        bth0 |= extra_bytes << 20;
+        ohdr->bth[0] = cpu_to_be32(bth0);
+        ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
+        ohdr->bth[2] = cpu_to_be32(bth2);
+
+        /* Check for more work to do. */
+        goto again;
+
+clear:
+        clear_bit(IPATH_S_BUSY, &qp->s_flags);
+bail:
+        return;
+}
diff --git a/drivers/infiniband/hw/ipath/ipath_srq.c b/drivers/infiniband/hw/ipath/ipath_srq.c
index 01c4c6c56118..f760434660bd 100644
--- a/drivers/infiniband/hw/ipath/ipath_srq.c
+++ b/drivers/infiniband/hw/ipath/ipath_srq.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -125,11 +126,23 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
                                 struct ib_srq_init_attr *srq_init_attr,
                                 struct ib_udata *udata)
 {
+        struct ipath_ibdev *dev = to_idev(ibpd->device);
         struct ipath_srq *srq;
         u32 sz;
         struct ib_srq *ret;
 
-        if (srq_init_attr->attr.max_sge < 1) {
+        if (dev->n_srqs_allocated == ib_ipath_max_srqs) {
+                ret = ERR_PTR(-ENOMEM);
+                goto bail;
+        }
+
+        if (srq_init_attr->attr.max_wr == 0) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
+        if ((srq_init_attr->attr.max_sge > ib_ipath_max_srq_sges) ||
+            (srq_init_attr->attr.max_wr > ib_ipath_max_srq_wrs)) {
                 ret = ERR_PTR(-EINVAL);
                 goto bail;
         }
@@ -164,6 +177,8 @@ struct ib_srq *ipath_create_srq(struct ib_pd *ibpd,
 
         ret = &srq->ibsrq;
 
+        dev->n_srqs_allocated++;
+
 bail:
         return ret;
 }
@@ -181,24 +196,26 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
         unsigned long flags;
         int ret;
 
-        if (attr_mask & IB_SRQ_LIMIT) {
-                spin_lock_irqsave(&srq->rq.lock, flags);
-                srq->limit = attr->srq_limit;
-                spin_unlock_irqrestore(&srq->rq.lock, flags);
-        }
-        if (attr_mask & IB_SRQ_MAX_WR) {
-                u32 size = attr->max_wr + 1;
-                struct ipath_rwqe *wq, *p;
-                u32 n;
-                u32 sz;
+        if (attr_mask & IB_SRQ_MAX_WR)
+                if ((attr->max_wr > ib_ipath_max_srq_wrs) ||
+                    (attr->max_sge > srq->rq.max_sge)) {
+                        ret = -EINVAL;
+                        goto bail;
+                }
 
-                if (attr->max_sge < srq->rq.max_sge) {
+        if (attr_mask & IB_SRQ_LIMIT)
+                if (attr->srq_limit >= srq->rq.size) {
                         ret = -EINVAL;
                         goto bail;
                 }
 
+        if (attr_mask & IB_SRQ_MAX_WR) {
+                struct ipath_rwqe *wq, *p;
+                u32 sz, size, n;
+
                 sz = sizeof(struct ipath_rwqe) +
                         attr->max_sge * sizeof(struct ipath_sge);
+                size = attr->max_wr + 1;
                 wq = vmalloc(size * sz);
                 if (!wq) {
                         ret = -ENOMEM;
@@ -242,6 +259,11 @@ int ipath_modify_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr,
                 spin_unlock_irqrestore(&srq->rq.lock, flags);
         }
 
+        if (attr_mask & IB_SRQ_LIMIT) {
+                spin_lock_irqsave(&srq->rq.lock, flags);
+                srq->limit = attr->srq_limit;
+                spin_unlock_irqrestore(&srq->rq.lock, flags);
+        }
         ret = 0;
 
 bail:
@@ -265,7 +287,9 @@ int ipath_query_srq(struct ib_srq *ibsrq, struct ib_srq_attr *attr)
 int ipath_destroy_srq(struct ib_srq *ibsrq)
 {
         struct ipath_srq *srq = to_isrq(ibsrq);
+        struct ipath_ibdev *dev = to_idev(ibsrq->device);
 
+        dev->n_srqs_allocated--;
         vfree(srq->rq.wq);
         kfree(srq);
 
diff --git a/drivers/infiniband/hw/ipath/ipath_stats.c b/drivers/infiniband/hw/ipath/ipath_stats.c
index fe209137ee74..70351b7e35c0 100644
--- a/drivers/infiniband/hw/ipath/ipath_stats.c
+++ b/drivers/infiniband/hw/ipath/ipath_stats.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -185,7 +186,6 @@ static void ipath_qcheck(struct ipath_devdata *dd)
                                    dd->ipath_port0head,
                                    (unsigned long long)
                                    ipath_stats.sps_port0pkts);
-                        ipath_kreceive(dd);
                 }
                 dd->ipath_lastport0rcv_cnt = ipath_stats.sps_port0pkts;
         }
diff --git a/drivers/infiniband/hw/ipath/ipath_sysfs.c b/drivers/infiniband/hw/ipath/ipath_sysfs.c
index f323791cc495..b98821d7801d 100644
--- a/drivers/infiniband/hw/ipath/ipath_sysfs.c
+++ b/drivers/infiniband/hw/ipath/ipath_sysfs.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -34,8 +35,8 @@
 #include <linux/pci.h>
 
 #include "ipath_kernel.h"
-#include "ips_common.h"
 #include "ipath_layer.h"
+#include "ipath_common.h"
 
 /**
  * ipath_parse_ushort - parse an unsigned short value in an arbitrary base
@@ -84,99 +85,6 @@ static ssize_t show_num_units(struct device_driver *dev, char *buf)
                          ipath_count_units(NULL, NULL, NULL));
 }
 
-#define DRIVER_STAT(name, attr) \
-        static ssize_t show_stat_##name(struct device_driver *dev, \
-                                        char *buf) \
-        { \
-                return scnprintf( \
-                        buf, PAGE_SIZE, "%llu\n", \
-                        (unsigned long long) ipath_stats.sps_ ##attr); \
-        } \
-        static DRIVER_ATTR(name, S_IRUGO, show_stat_##name, NULL)
-
-DRIVER_STAT(intrs, ints);
-DRIVER_STAT(err_intrs, errints);
-DRIVER_STAT(errs, errs);
-DRIVER_STAT(pkt_errs, pkterrs);
-DRIVER_STAT(crc_errs, crcerrs);
-DRIVER_STAT(hw_errs, hwerrs);
-DRIVER_STAT(ib_link, iblink);
-DRIVER_STAT(port0_pkts, port0pkts);
-DRIVER_STAT(ether_spkts, ether_spkts);
-DRIVER_STAT(ether_rpkts, ether_rpkts);
-DRIVER_STAT(sma_spkts, sma_spkts);
-DRIVER_STAT(sma_rpkts, sma_rpkts);
-DRIVER_STAT(hdrq_full, hdrqfull);
-DRIVER_STAT(etid_full, etidfull);
-DRIVER_STAT(no_piobufs, nopiobufs);
-DRIVER_STAT(ports, ports);
-DRIVER_STAT(pkey0, pkeys[0]);
-DRIVER_STAT(pkey1, pkeys[1]);
-DRIVER_STAT(pkey2, pkeys[2]);
-DRIVER_STAT(pkey3, pkeys[3]);
-/* XXX fix the following when dynamic table of devices used */
-DRIVER_STAT(lid0, lid[0]);
-DRIVER_STAT(lid1, lid[1]);
-DRIVER_STAT(lid2, lid[2]);
-DRIVER_STAT(lid3, lid[3]);
-
-DRIVER_STAT(nports, nports);
-DRIVER_STAT(null_intr, nullintr);
-DRIVER_STAT(max_pkts_call, maxpkts_call);
-DRIVER_STAT(avg_pkts_call, avgpkts_call);
-DRIVER_STAT(page_locks, pagelocks);
-DRIVER_STAT(page_unlocks, pageunlocks);
-DRIVER_STAT(krdrops, krdrops);
-/* XXX fix the following when dynamic table of devices used */
-DRIVER_STAT(mlid0, mlid[0]);
-DRIVER_STAT(mlid1, mlid[1]);
-DRIVER_STAT(mlid2, mlid[2]);
-DRIVER_STAT(mlid3, mlid[3]);
-
-static struct attribute *driver_stat_attributes[] = {
-        &driver_attr_intrs.attr,
-        &driver_attr_err_intrs.attr,
-        &driver_attr_errs.attr,
-        &driver_attr_pkt_errs.attr,
-        &driver_attr_crc_errs.attr,
-        &driver_attr_hw_errs.attr,
-        &driver_attr_ib_link.attr,
-        &driver_attr_port0_pkts.attr,
-        &driver_attr_ether_spkts.attr,
-        &driver_attr_ether_rpkts.attr,
-        &driver_attr_sma_spkts.attr,
-        &driver_attr_sma_rpkts.attr,
-        &driver_attr_hdrq_full.attr,
-        &driver_attr_etid_full.attr,
-        &driver_attr_no_piobufs.attr,
-        &driver_attr_ports.attr,
-        &driver_attr_pkey0.attr,
-        &driver_attr_pkey1.attr,
-        &driver_attr_pkey2.attr,
-        &driver_attr_pkey3.attr,
-        &driver_attr_lid0.attr,
-        &driver_attr_lid1.attr,
-        &driver_attr_lid2.attr,
-        &driver_attr_lid3.attr,
-        &driver_attr_nports.attr,
-        &driver_attr_null_intr.attr,
-        &driver_attr_max_pkts_call.attr,
-        &driver_attr_avg_pkts_call.attr,
-        &driver_attr_page_locks.attr,
-        &driver_attr_page_unlocks.attr,
-        &driver_attr_krdrops.attr,
-        &driver_attr_mlid0.attr,
-        &driver_attr_mlid1.attr,
-        &driver_attr_mlid2.attr,
-        &driver_attr_mlid3.attr,
-        NULL
-};
-
-static struct attribute_group driver_stat_attr_group = {
-        .name = "stats",
-        .attrs = driver_stat_attributes
-};
-
 static ssize_t show_status(struct device *dev,
                            struct device_attribute *attr,
                            char *buf)
@@ -272,23 +180,23 @@ static ssize_t store_lid(struct device *dev,
                           size_t count)
 {
         struct ipath_devdata *dd = dev_get_drvdata(dev);
-        u16 lid;
+        u16 lid = 0;
         int ret;
 
         ret = ipath_parse_ushort(buf, &lid);
         if (ret < 0)
                 goto invalid;
 
-        if (lid == 0 || lid >= 0xc000) {
+        if (lid == 0 || lid >= IPATH_MULTICAST_LID_BASE) {
                 ret = -EINVAL;
                 goto invalid;
         }
 
-        ipath_set_sps_lid(dd, lid, 0);
+        ipath_set_lid(dd, lid, 0);
 
         goto bail;
 invalid:
-        ipath_dev_err(dd, "attempt to set invalid LID\n");
+        ipath_dev_err(dd, "attempt to set invalid LID 0x%x\n", lid);
 bail:
         return ret;
 }
@@ -313,13 +221,12 @@ static ssize_t store_mlid(struct device *dev,
         int ret;
 
         ret = ipath_parse_ushort(buf, &mlid);
-        if (ret < 0)
+        if (ret < 0 || mlid < IPATH_MULTICAST_LID_BASE)
                 goto invalid;
 
         unit = dd->ipath_unit;
 
         dd->ipath_mlid = mlid;
-        ipath_stats.sps_mlid[unit] = mlid;
         ipath_layer_intr(dd, IPATH_LAYER_INT_BCAST);
 
         goto bail;
@@ -734,20 +641,12 @@ int ipath_driver_create_group(struct device_driver *drv)
         int ret;
 
         ret = sysfs_create_group(&drv->kobj, &driver_attr_group);
-        if (ret)
-                goto bail;
 
-        ret = sysfs_create_group(&drv->kobj, &driver_stat_attr_group);
-        if (ret)
-                sysfs_remove_group(&drv->kobj, &driver_attr_group);
-
-bail:
         return ret;
 }
 
 void ipath_driver_remove_group(struct device_driver *drv)
 {
-        sysfs_remove_group(&drv->kobj, &driver_stat_attr_group);
         sysfs_remove_group(&drv->kobj, &driver_attr_group);
 }
 
diff --git a/drivers/infiniband/hw/ipath/ipath_uc.c b/drivers/infiniband/hw/ipath/ipath_uc.c
index 0d6dbc0a541e..c33abea2d5a7 100644
--- a/drivers/infiniband/hw/ipath/ipath_uc.c
+++ b/drivers/infiniband/hw/ipath/ipath_uc.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -31,7 +32,7 @@
  */
 
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 /* cut down ridiculously long IB macro names */
 #define OP(x) IB_OPCODE_UC_##x
@@ -61,90 +62,40 @@ static void complete_last_send(struct ipath_qp *qp, struct ipath_swqe *wqe,
 }
 
 /**
- * ipath_do_uc_send - do a send on a UC queue
- * @data: contains a pointer to the QP to send on
+ * ipath_make_uc_req - construct a request packet (SEND, RDMA write)
+ * @qp: a pointer to the QP
+ * @ohdr: a pointer to the IB header being constructed
+ * @pmtu: the path MTU
+ * @bth0p: pointer to the BTH opcode word
+ * @bth2p: pointer to the BTH PSN word
  *
- * Process entries in the send work queue until the queue is exhausted.
- * Only allow one CPU to send a packet per QP (tasklet).
- * Otherwise, after we drop the QP lock, two threads could send
- * packets out of order.
- * This is similar to ipath_do_rc_send() below except we don't have
- * timeouts or resends.
+ * Return 1 if constructed; otherwise, return 0.
+ * Note the QP s_lock must be held and interrupts disabled.
  */
-void ipath_do_uc_send(unsigned long data)
+int ipath_make_uc_req(struct ipath_qp *qp,
+                      struct ipath_other_headers *ohdr,
+                      u32 pmtu, u32 *bth0p, u32 *bth2p)
 {
-        struct ipath_qp *qp = (struct ipath_qp *)data;
-        struct ipath_ibdev *dev = to_idev(qp->ibqp.device);
         struct ipath_swqe *wqe;
-        unsigned long flags;
-        u16 lrh0;
         u32 hwords;
-        u32 nwords;
-        u32 extra_bytes;
         u32 bth0;
-        u32 bth2;
-        u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
         u32 len;
-        struct ipath_other_headers *ohdr;
         struct ib_wc wc;
 
-        if (test_and_set_bit(IPATH_S_BUSY, &qp->s_flags))
-                goto bail;
-
-        if (unlikely(qp->remote_ah_attr.dlid ==
-                     ipath_layer_get_lid(dev->dd))) {
-                /* Pass in an uninitialized ib_wc to save stack space. */
-                ipath_ruc_loopback(qp, &wc);
-                clear_bit(IPATH_S_BUSY, &qp->s_flags);
-                goto bail;
-        }
-
-        ohdr = &qp->s_hdr.u.oth;
-        if (qp->remote_ah_attr.ah_flags & IB_AH_GRH)
-                ohdr = &qp->s_hdr.u.l.oth;
-
-again:
-        /* Check for a constructed packet to be sent. */
-        if (qp->s_hdrwords != 0) {
-                        /*
-                         * If no PIO bufs are available, return.
-                         * An interrupt will call ipath_ib_piobufavail()
-                         * when one is available.
-                         */
-                        if (ipath_verbs_send(dev->dd, qp->s_hdrwords,
-                                             (u32 *) &qp->s_hdr,
-                                             qp->s_cur_size,
-                                             qp->s_cur_sge)) {
-                                ipath_no_bufs_available(qp, dev);
-                                goto bail;
-                        }
-                        dev->n_unicast_xmit++;
-                /* Record that we sent the packet and s_hdr is empty. */
-                qp->s_hdrwords = 0;
-        }
-
-        lrh0 = IPS_LRH_BTH;
-        /* header size in 32-bit words LRH+BTH = (8+12)/4. */
-        hwords = 5;
-
-        /*
-         * The lock is needed to synchronize between
-         * setting qp->s_ack_state and post_send().
-         */
-        spin_lock_irqsave(&qp->s_lock, flags);
-
         if (!(ib_ipath_state_ops[qp->state] & IPATH_PROCESS_SEND_OK))
                 goto done;
 
-        bth0 = ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
+        /* header size in 32-bit words LRH+BTH = (8+12)/4. */
+        hwords = 5;
+        bth0 = 0;
 
-        /* Send a request. */
+        /* Get the next send request. */
         wqe = get_swqe_ptr(qp, qp->s_last);
         switch (qp->s_state) {
         default:
                 /*
-                 * Signal the completion of the last send (if there is
-                 * one).
+                 * Signal the completion of the last send
+                 * (if there is one).
                  */
                 if (qp->s_last != qp->s_tail)
                         complete_last_send(qp, wqe, &wc);
@@ -257,61 +208,16 @@ again:
                 }
                 break;
         }
-        bth2 = qp->s_next_psn++ & IPS_PSN_MASK;
         qp->s_len -= len;
-        bth0 |= qp->s_state << 24;
-
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-
-        /* Construct the header. */
-        extra_bytes = (4 - len) & 3;
-        nwords = (len + extra_bytes) >> 2;
-        if (unlikely(qp->remote_ah_attr.ah_flags & IB_AH_GRH)) {
-                /* Header size in 32-bit words. */
-                hwords += 10;
-                lrh0 = IPS_LRH_GRH;
-                qp->s_hdr.u.l.grh.version_tclass_flow =
-                        cpu_to_be32((6 << 28) |
-                                    (qp->remote_ah_attr.grh.traffic_class
-                                     << 20) |
-                                    qp->remote_ah_attr.grh.flow_label);
-                qp->s_hdr.u.l.grh.paylen =
-                        cpu_to_be16(((hwords - 12) + nwords +
-                                     SIZE_OF_CRC) << 2);
-                /* next_hdr is defined by C8-7 in ch. 8.4.1 */
-                qp->s_hdr.u.l.grh.next_hdr = 0x1B;
-                qp->s_hdr.u.l.grh.hop_limit =
-                        qp->remote_ah_attr.grh.hop_limit;
-                /* The SGID is 32-bit aligned. */
-                qp->s_hdr.u.l.grh.sgid.global.subnet_prefix =
-                        dev->gid_prefix;
-                qp->s_hdr.u.l.grh.sgid.global.interface_id =
-                        ipath_layer_get_guid(dev->dd);
-                qp->s_hdr.u.l.grh.dgid = qp->remote_ah_attr.grh.dgid;
-        }
         qp->s_hdrwords = hwords;
         qp->s_cur_sge = &qp->s_sge;
         qp->s_cur_size = len;
-        lrh0 |= qp->remote_ah_attr.sl << 4;
-        qp->s_hdr.lrh[0] = cpu_to_be16(lrh0);
-        /* DEST LID */
-        qp->s_hdr.lrh[1] = cpu_to_be16(qp->remote_ah_attr.dlid);
-        qp->s_hdr.lrh[2] = cpu_to_be16(hwords + nwords + SIZE_OF_CRC);
-        qp->s_hdr.lrh[3] = cpu_to_be16(ipath_layer_get_lid(dev->dd));
-        bth0 |= extra_bytes << 20;
-        ohdr->bth[0] = cpu_to_be32(bth0);
-        ohdr->bth[1] = cpu_to_be32(qp->remote_qpn);
-        ohdr->bth[2] = cpu_to_be32(bth2);
-
-        /* Check for more work to do. */
-        goto again;
+        *bth0p = bth0 | (qp->s_state << 24);
+        *bth2p = qp->s_next_psn++ & IPATH_PSN_MASK;
+        return 1;
 
 done:
-        spin_unlock_irqrestore(&qp->s_lock, flags);
-        clear_bit(IPATH_S_BUSY, &qp->s_flags);
-
-bail:
-        return;
+        return 0;
 }
 
 /**
@@ -335,7 +241,6 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         u32 hdrsize;
         u32 psn;
         u32 pad;
-        unsigned long flags;
         struct ib_wc wc;
         u32 pmtu = ib_mtu_enum_to_int(qp->path_mtu);
         struct ib_reth *reth;
@@ -373,8 +278,6 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         wc.imm_data = 0;
         wc.wc_flags = 0;
 
-        spin_lock_irqsave(&qp->r_rq.lock, flags);
-
         /* Compare the PSN verses the expected PSN. */
         if (unlikely(ipath_cmp24(psn, qp->r_psn) != 0)) {
                 /*
@@ -535,12 +438,13 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                 if (qp->r_len != 0) {
                         u32 rkey = be32_to_cpu(reth->rkey);
                         u64 vaddr = be64_to_cpu(reth->vaddr);
+                        int ok;
 
                         /* Check rkey */
-                        if (unlikely(!ipath_rkey_ok(
-                                             dev, &qp->r_sge, qp->r_len,
-                                             vaddr, rkey,
-                                             IB_ACCESS_REMOTE_WRITE))) {
+                        ok = ipath_rkey_ok(dev, &qp->r_sge, qp->r_len,
+                                           vaddr, rkey,
+                                           IB_ACCESS_REMOTE_WRITE);
+                        if (unlikely(!ok)) {
                                 dev->n_pkt_drops++;
                                 goto done;
                         }
@@ -558,8 +462,7 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                 }
                 if (opcode == OP(RDMA_WRITE_ONLY))
                         goto rdma_last;
-                else if (opcode ==
-                         OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
+                else if (opcode == OP(RDMA_WRITE_ONLY_WITH_IMMEDIATE))
                         goto rdma_last_imm;
                 /* FALLTHROUGH */
         case OP(RDMA_WRITE_MIDDLE):
@@ -592,9 +495,9 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         dev->n_pkt_drops++;
                         goto done;
                 }
-                if (qp->r_reuse_sge) {
+                if (qp->r_reuse_sge)
                         qp->r_reuse_sge = 0;
-                } else if (!ipath_get_rwqe(qp, 1)) {
+                else if (!ipath_get_rwqe(qp, 1)) {
                         dev->n_pkt_drops++;
                         goto done;
                 }
@@ -631,15 +534,11 @@ void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
 
         default:
                 /* Drop packet for unknown opcodes. */
-                spin_unlock_irqrestore(&qp->r_rq.lock, flags);
                 dev->n_pkt_drops++;
-                goto bail;
+                goto done;
         }
         qp->r_psn++;
         qp->r_state = opcode;
 done:
-        spin_unlock_irqrestore(&qp->r_rq.lock, flags);
-
-bail:
         return;
 }
diff --git a/drivers/infiniband/hw/ipath/ipath_ud.c b/drivers/infiniband/hw/ipath/ipath_ud.c
index e606daf83210..3466129af804 100644
--- a/drivers/infiniband/hw/ipath/ipath_ud.c
+++ b/drivers/infiniband/hw/ipath/ipath_ud.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -33,7 +34,7 @@
 #include <rdma/ib_smi.h>
 
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 /**
  * ipath_ud_loopback - handle send on loopback QPs
@@ -274,6 +275,11 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
                 len += wr->sg_list[i].length;
                 ss.num_sge++;
         }
+        /* Check for invalid packet size. */
+        if (len > ipath_layer_get_ibmtu(dev->dd)) {
+                ret = -EINVAL;
+                goto bail;
+        }
         extra_bytes = (4 - len) & 3;
         nwords = (len + extra_bytes) >> 2;
 
@@ -283,8 +289,8 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
                 ret = -EINVAL;
                 goto bail;
         }
-        if (ah_attr->dlid >= IPS_MULTICAST_LID_BASE) {
-                if (ah_attr->dlid != IPS_PERMISSIVE_LID)
+        if (ah_attr->dlid >= IPATH_MULTICAST_LID_BASE) {
+                if (ah_attr->dlid != IPATH_PERMISSIVE_LID)
                         dev->n_multicast_xmit++;
                 else
                         dev->n_unicast_xmit++;
@@ -304,7 +310,7 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
         if (ah_attr->ah_flags & IB_AH_GRH) {
                 /* Header size in 32-bit words. */
                 hwords = 17;
-                lrh0 = IPS_LRH_GRH;
+                lrh0 = IPATH_LRH_GRH;
                 ohdr = &qp->s_hdr.u.l.oth;
                 qp->s_hdr.u.l.grh.version_tclass_flow =
                         cpu_to_be32((6 << 28) |
@@ -330,7 +336,7 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
         } else {
                 /* Header size in 32-bit words. */
                 hwords = 7;
-                lrh0 = IPS_LRH_BTH;
+                lrh0 = IPATH_LRH_BTH;
                 ohdr = &qp->s_hdr.u.oth;
         }
         if (wr->opcode == IB_WR_SEND_WITH_IMM) {
@@ -361,18 +367,18 @@ int ipath_post_ud_send(struct ipath_qp *qp, struct ib_send_wr *wr)
         if (wr->send_flags & IB_SEND_SOLICITED)
                 bth0 |= 1 << 23;
         bth0 |= extra_bytes << 20;
-        bth0 |= qp->ibqp.qp_type == IB_QPT_SMI ? IPS_DEFAULT_P_KEY :
+        bth0 |= qp->ibqp.qp_type == IB_QPT_SMI ? IPATH_DEFAULT_P_KEY :
                 ipath_layer_get_pkey(dev->dd, qp->s_pkey_index);
         ohdr->bth[0] = cpu_to_be32(bth0);
         /*
          * Use the multicast QP if the destination LID is a multicast LID.
          */
-        ohdr->bth[1] = ah_attr->dlid >= IPS_MULTICAST_LID_BASE &&
-                ah_attr->dlid != IPS_PERMISSIVE_LID ?
-                __constant_cpu_to_be32(IPS_MULTICAST_QPN) :
+        ohdr->bth[1] = ah_attr->dlid >= IPATH_MULTICAST_LID_BASE &&
+                ah_attr->dlid != IPATH_PERMISSIVE_LID ?
+                __constant_cpu_to_be32(IPATH_MULTICAST_QPN) :
                 cpu_to_be32(wr->wr.ud.remote_qpn);
         /* XXX Could lose a PSN count but not worth locking */
-        ohdr->bth[2] = cpu_to_be32(qp->s_next_psn++ & IPS_PSN_MASK);
+        ohdr->bth[2] = cpu_to_be32(qp->s_next_psn++ & IPATH_PSN_MASK);
         /*
          * Qkeys with the high order bit set mean use the
          * qkey from the QP context instead of the WR (see 10.2.5).
@@ -463,7 +469,7 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                         src_qp = be32_to_cpu(ohdr->u.ud.deth[1]);
                 }
         }
-        src_qp &= IPS_QPN_MASK;
+        src_qp &= IPATH_QPN_MASK;
 
         /*
          * Check that the permissive LID is only used on QP0
@@ -554,7 +560,16 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         spin_lock_irqsave(&rq->lock, flags);
         if (rq->tail == rq->head) {
                 spin_unlock_irqrestore(&rq->lock, flags);
-                dev->n_pkt_drops++;
+                /*
+                 * Count VL15 packets dropped due to no receive buffer.
+                 * Otherwise, count them as buffer overruns since usually,
+                 * the HW will be able to receive packets even if there are
+                 * no QPs with posted receive buffers.
+                 */
+                if (qp->ibqp.qp_num == 0)
+                        dev->n_vl15_dropped++;
+                else
+                        dev->rcv_errors++;
                 goto bail;
         }
         /* Silently drop packets which are too big. */
@@ -612,7 +627,7 @@ void ipath_ud_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
         /*
          * Save the LMC lower bits if the destination LID is a unicast LID.
          */
-        wc.dlid_path_bits = dlid >= IPS_MULTICAST_LID_BASE ? 0 :
+        wc.dlid_path_bits = dlid >= IPATH_MULTICAST_LID_BASE ? 0 :
                 dlid & ((1 << (dev->mkeyprot_resv_lmc & 7)) - 1);
         /* Signal completion event if the solicited bit is set. */
         ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc,
diff --git a/drivers/infiniband/hw/ipath/ipath_user_pages.c b/drivers/infiniband/hw/ipath/ipath_user_pages.c
index 2bb08afc86d0..e32fca9faf80 100644
--- a/drivers/infiniband/hw/ipath/ipath_user_pages.c
+++ b/drivers/infiniband/hw/ipath/ipath_user_pages.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -57,17 +58,6 @@ static int __get_user_pages(unsigned long start_page, size_t num_pages,
         size_t got;
         int ret;
 
-#if 0
-        /*
-         * XXX - causes MPI programs to fail, haven't had time to check
-         * yet
-         */
-        if (!capable(CAP_IPC_LOCK)) {
-                ret = -EPERM;
-                goto bail;
-        }
-#endif
-
         lock_limit = current->signal->rlim[RLIMIT_MEMLOCK].rlim_cur >>
                 PAGE_SHIFT;
 
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.c b/drivers/infiniband/hw/ipath/ipath_verbs.c
index 28fdbdaa789d..56ac336dd1ec 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -36,7 +37,7 @@
 
 #include "ipath_kernel.h"
 #include "ipath_verbs.h"
-#include "ips_common.h"
+#include "ipath_common.h"
 
 /* Not static, because we don't want the compiler removing it */
 const char ipath_verbs_version[] = "ipath_verbs " IPATH_IDSTR;
@@ -55,9 +56,62 @@ unsigned int ib_ipath_debug;	/* debug mask */
 module_param_named(debug, ib_ipath_debug, uint, S_IWUSR | S_IRUGO);
 MODULE_PARM_DESC(debug, "Verbs debug mask");
 
+static unsigned int ib_ipath_max_pds = 0xFFFF;
+module_param_named(max_pds, ib_ipath_max_pds, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_pds,
+                 "Maximum number of protection domains to support");
+
+static unsigned int ib_ipath_max_ahs = 0xFFFF;
+module_param_named(max_ahs, ib_ipath_max_ahs, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_ahs, "Maximum number of address handles to support");
+
+unsigned int ib_ipath_max_cqes = 0x2FFFF;
+module_param_named(max_cqes, ib_ipath_max_cqes, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_cqes,
+                 "Maximum number of completion queue entries to support");
+
+unsigned int ib_ipath_max_cqs = 0x1FFFF;
+module_param_named(max_cqs, ib_ipath_max_cqs, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_cqs, "Maximum number of completion queues to support");
+
+unsigned int ib_ipath_max_qp_wrs = 0x3FFF;
+module_param_named(max_qp_wrs, ib_ipath_max_qp_wrs, uint,
+                   S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_qp_wrs, "Maximum number of QP WRs to support");
+
+unsigned int ib_ipath_max_sges = 0x60;
+module_param_named(max_sges, ib_ipath_max_sges, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_sges, "Maximum number of SGEs to support");
+
+unsigned int ib_ipath_max_mcast_grps = 16384;
+module_param_named(max_mcast_grps, ib_ipath_max_mcast_grps, uint,
+                   S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_mcast_grps,
+                 "Maximum number of multicast groups to support");
+
+unsigned int ib_ipath_max_mcast_qp_attached = 16;
+module_param_named(max_mcast_qp_attached, ib_ipath_max_mcast_qp_attached,
+                   uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_mcast_qp_attached,
+                 "Maximum number of attached QPs to support");
+
+unsigned int ib_ipath_max_srqs = 1024;
+module_param_named(max_srqs, ib_ipath_max_srqs, uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_srqs, "Maximum number of SRQs to support");
+
+unsigned int ib_ipath_max_srq_sges = 128;
+module_param_named(max_srq_sges, ib_ipath_max_srq_sges,
+                   uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_srq_sges, "Maximum number of SRQ SGEs to support");
+
+unsigned int ib_ipath_max_srq_wrs = 0x1FFFF;
+module_param_named(max_srq_wrs, ib_ipath_max_srq_wrs,
+                   uint, S_IWUSR | S_IRUGO);
+MODULE_PARM_DESC(max_srq_wrs, "Maximum number of SRQ WRs support");
+
 MODULE_LICENSE("GPL");
-MODULE_AUTHOR("PathScale <support@pathscale.com>");
-MODULE_DESCRIPTION("Pathscale InfiniPath driver");
+MODULE_AUTHOR("QLogic <support@pathscale.com>");
+MODULE_DESCRIPTION("QLogic InfiniPath driver");
 
 const int ib_ipath_state_ops[IB_QPS_ERR + 1] = {
         [IB_QPS_RESET] = 0,
@@ -193,7 +247,7 @@ static int ipath_post_send(struct ib_qp *ibqp, struct ib_send_wr *wr,
                 switch (qp->ibqp.qp_type) {
                 case IB_QPT_UC:
                 case IB_QPT_RC:
-                        err = ipath_post_rc_send(qp, wr);
+                        err = ipath_post_ruc_send(qp, wr);
                         break;
 
                 case IB_QPT_SMI:
@@ -375,7 +429,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
 
         /* Check for a valid destination LID (see ch. 7.11.1). */
         lid = be16_to_cpu(hdr->lrh[1]);
-        if (lid < IPS_MULTICAST_LID_BASE) {
+        if (lid < IPATH_MULTICAST_LID_BASE) {
                 lid &= ~((1 << (dev->mkeyprot_resv_lmc & 7)) - 1);
                 if (unlikely(lid != ipath_layer_get_lid(dev->dd))) {
                         dev->rcv_errors++;
@@ -385,9 +439,9 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
 
         /* Check for GRH */
         lnh = be16_to_cpu(hdr->lrh[0]) & 3;
-        if (lnh == IPS_LRH_BTH)
+        if (lnh == IPATH_LRH_BTH)
                 ohdr = &hdr->u.oth;
-        else if (lnh == IPS_LRH_GRH)
+        else if (lnh == IPATH_LRH_GRH)
                 ohdr = &hdr->u.l.oth;
         else {
                 dev->rcv_errors++;
@@ -399,8 +453,8 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
         dev->opstats[opcode].n_packets++;
 
         /* Get the destination QP number. */
-        qp_num = be32_to_cpu(ohdr->bth[1]) & IPS_QPN_MASK;
-        if (qp_num == IPS_MULTICAST_QPN) {
+        qp_num = be32_to_cpu(ohdr->bth[1]) & IPATH_QPN_MASK;
+        if (qp_num == IPATH_MULTICAST_QPN) {
                 struct ipath_mcast *mcast;
                 struct ipath_mcast_qp *p;
 
@@ -411,7 +465,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
                 }
                 dev->n_multicast_rcv++;
                 list_for_each_entry_rcu(p, &mcast->qp_list, list)
-                        ipath_qp_rcv(dev, hdr, lnh == IPS_LRH_GRH, data,
+                        ipath_qp_rcv(dev, hdr, lnh == IPATH_LRH_GRH, data,
                                      tlen, p->qp);
                 /*
                  * Notify ipath_multicast_detach() if it is waiting for us
@@ -423,7 +477,7 @@ static void ipath_ib_rcv(void *arg, void *rhdr, void *data, u32 tlen)
                 qp = ipath_lookup_qpn(&dev->qp_table, qp_num);
                 if (qp) {
                         dev->n_unicast_rcv++;
-                        ipath_qp_rcv(dev, hdr, lnh == IPS_LRH_GRH, data,
+                        ipath_qp_rcv(dev, hdr, lnh == IPATH_LRH_GRH, data,
                                      tlen, qp);
                         /*
                          * Notify ipath_destroy_qp() if it is waiting
@@ -567,40 +621,38 @@ static int ipath_query_device(struct ib_device *ibdev,
                               struct ib_device_attr *props)
 {
         struct ipath_ibdev *dev = to_idev(ibdev);
-        u32 vendor, boardrev, majrev, minrev;
 
         memset(props, 0, sizeof(*props));
 
         props->device_cap_flags = IB_DEVICE_BAD_PKEY_CNTR |
                 IB_DEVICE_BAD_QKEY_CNTR | IB_DEVICE_SHUTDOWN_PORT |
                 IB_DEVICE_SYS_IMAGE_GUID;
-        ipath_layer_query_device(dev->dd, &vendor, &boardrev,
-                                 &majrev, &minrev);
-        props->vendor_id = vendor;
-        props->vendor_part_id = boardrev;
-        props->hw_ver = boardrev << 16 | majrev << 8 | minrev;
+        props->vendor_id = ipath_layer_get_vendorid(dev->dd);
+        props->vendor_part_id = ipath_layer_get_deviceid(dev->dd);
+        props->hw_ver = ipath_layer_get_pcirev(dev->dd);
 
         props->sys_image_guid = dev->sys_image_guid;
 
         props->max_mr_size = ~0ull;
-        props->max_qp = 0xffff;
-        props->max_qp_wr = 0xffff;
-        props->max_sge = 255;
-        props->max_cq = 0xffff;
-        props->max_cqe = 0xffff;
-        props->max_mr = 0xffff;
-        props->max_pd = 0xffff;
+        props->max_qp = dev->qp_table.max;
+        props->max_qp_wr = ib_ipath_max_qp_wrs;
+        props->max_sge = ib_ipath_max_sges;
+        props->max_cq = ib_ipath_max_cqs;
+        props->max_ah = ib_ipath_max_ahs;
+        props->max_cqe = ib_ipath_max_cqes;
+        props->max_mr = dev->lk_table.max;
+        props->max_pd = ib_ipath_max_pds;
         props->max_qp_rd_atom = 1;
         props->max_qp_init_rd_atom = 1;
         /* props->max_res_rd_atom */
-        props->max_srq = 0xffff;
-        props->max_srq_wr = 0xffff;
-        props->max_srq_sge = 255;
+        props->max_srq = ib_ipath_max_srqs;
+        props->max_srq_wr = ib_ipath_max_srq_wrs;
+        props->max_srq_sge = ib_ipath_max_srq_sges;
         /* props->local_ca_ack_delay */
         props->atomic_cap = IB_ATOMIC_HCA;
         props->max_pkeys = ipath_layer_get_npkeys(dev->dd);
-        props->max_mcast_grp = 0xffff;
-        props->max_mcast_qp_attach = 0xffff;
+        props->max_mcast_grp = ib_ipath_max_mcast_grps;
+        props->max_mcast_qp_attach = ib_ipath_max_mcast_qp_attached;
         props->max_total_mcast_qp_attach = props->max_mcast_qp_attach *
                 props->max_mcast_grp;
 
@@ -643,10 +695,10 @@ static int ipath_query_port(struct ib_device *ibdev,
                 ipath_layer_get_lastibcstat(dev->dd) & 0xf];
         props->port_cap_flags = dev->port_cap_flags;
         props->gid_tbl_len = 1;
-        props->max_msg_sz = 4096;
+        props->max_msg_sz = 0x80000000;
         props->pkey_tbl_len = ipath_layer_get_npkeys(dev->dd);
         props->bad_pkey_cntr = ipath_layer_get_cr_errpkey(dev->dd) -
-                dev->n_pkey_violations;
+                dev->z_pkey_violations;
         props->qkey_viol_cntr = dev->qkey_violations;
         props->active_width = IB_WIDTH_4X;
         /* See rate_show() */
@@ -743,15 +795,30 @@ static struct ib_pd *ipath_alloc_pd(struct ib_device *ibdev,
                                     struct ib_ucontext *context,
                                     struct ib_udata *udata)
 {
+        struct ipath_ibdev *dev = to_idev(ibdev);
         struct ipath_pd *pd;
         struct ib_pd *ret;
 
+        /*
+         * This is actually totally arbitrary.  Some correctness tests
+         * assume there's a maximum number of PDs that can be allocated.
+         * We don't actually have this limit, but we fail the test if
+         * we allow allocations of more than we report for this value.
+         */
+
+        if (dev->n_pds_allocated == ib_ipath_max_pds) {
+                ret = ERR_PTR(-ENOMEM);
+                goto bail;
+        }
+
         pd = kmalloc(sizeof *pd, GFP_KERNEL);
         if (!pd) {
                 ret = ERR_PTR(-ENOMEM);
                 goto bail;
         }
 
+        dev->n_pds_allocated++;
+
         /* ib_alloc_pd() will initialize pd->ibpd. */
         pd->user = udata != NULL;
 
@@ -764,6 +831,9 @@ bail:
 static int ipath_dealloc_pd(struct ib_pd *ibpd)
 {
         struct ipath_pd *pd = to_ipd(ibpd);
+        struct ipath_ibdev *dev = to_idev(ibpd->device);
+
+        dev->n_pds_allocated--;
 
         kfree(pd);
 
@@ -782,21 +852,40 @@ static struct ib_ah *ipath_create_ah(struct ib_pd *pd,
 {
         struct ipath_ah *ah;
         struct ib_ah *ret;
+        struct ipath_ibdev *dev = to_idev(pd->device);
+
+        if (dev->n_ahs_allocated == ib_ipath_max_ahs) {
+                ret = ERR_PTR(-ENOMEM);
+                goto bail;
+        }
 
         /* A multicast address requires a GRH (see ch. 8.4.1). */
-        if (ah_attr->dlid >= IPS_MULTICAST_LID_BASE &&
-            ah_attr->dlid != IPS_PERMISSIVE_LID &&
+        if (ah_attr->dlid >= IPATH_MULTICAST_LID_BASE &&
+            ah_attr->dlid != IPATH_PERMISSIVE_LID &&
             !(ah_attr->ah_flags & IB_AH_GRH)) {
                 ret = ERR_PTR(-EINVAL);
                 goto bail;
         }
 
+        if (ah_attr->dlid == 0) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
+        if (ah_attr->port_num < 1 ||
+            ah_attr->port_num > pd->device->phys_port_cnt) {
+                ret = ERR_PTR(-EINVAL);
+                goto bail;
+        }
+
         ah = kmalloc(sizeof *ah, GFP_ATOMIC);
         if (!ah) {
                 ret = ERR_PTR(-ENOMEM);
                 goto bail;
         }
 
+        dev->n_ahs_allocated++;
+
         /* ib_create_ah() will initialize ah->ibah. */
         ah->attr = *ah_attr;
 
@@ -814,8 +903,11 @@ bail:
  */
 static int ipath_destroy_ah(struct ib_ah *ibah)
 {
+        struct ipath_ibdev *dev = to_idev(ibah->device);
         struct ipath_ah *ah = to_iah(ibah);
 
+        dev->n_ahs_allocated--;
+
         kfree(ah);
 
         return 0;
@@ -889,6 +981,7 @@ static int ipath_verbs_register_sysfs(struct ib_device *dev);
  */
 static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd)
 {
+        struct ipath_layer_counters cntrs;
         struct ipath_ibdev *idev;
         struct ib_device *dev;
         int ret;
@@ -939,6 +1032,25 @@ static void *ipath_register_ib_device(int unit, struct ipath_devdata *dd)
         idev->pma_counter_select[5] = IB_PMA_PORT_XMIT_WAIT;
         idev->link_width_enabled = 3;   /* 1x or 4x */
 
+        /* Snapshot current HW counters to "clear" them. */
+        ipath_layer_get_counters(dd, &cntrs);
+        idev->z_symbol_error_counter = cntrs.symbol_error_counter;
+        idev->z_link_error_recovery_counter =
+                cntrs.link_error_recovery_counter;
+        idev->z_link_downed_counter = cntrs.link_downed_counter;
+        idev->z_port_rcv_errors = cntrs.port_rcv_errors;
+        idev->z_port_rcv_remphys_errors =
+                cntrs.port_rcv_remphys_errors;
+        idev->z_port_xmit_discards = cntrs.port_xmit_discards;
+        idev->z_port_xmit_data = cntrs.port_xmit_data;
+        idev->z_port_rcv_data = cntrs.port_rcv_data;
+        idev->z_port_xmit_packets = cntrs.port_xmit_packets;
+        idev->z_port_rcv_packets = cntrs.port_rcv_packets;
+        idev->z_local_link_integrity_errors =
+                cntrs.local_link_integrity_errors;
+        idev->z_excessive_buffer_overrun_errors =
+                cntrs.excessive_buffer_overrun_errors;
+
         /*
          * The system image GUID is supposed to be the same for all
          * IB HCAs in a single system but since there can be other
@@ -1109,11 +1221,8 @@ static ssize_t show_rev(struct class_device *cdev, char *buf)
 {
         struct ipath_ibdev *dev =
                 container_of(cdev, struct ipath_ibdev, ibdev.class_dev);
-        int vendor, boardrev, majrev, minrev;
 
-        ipath_layer_query_device(dev->dd, &vendor, &boardrev,
-                                 &majrev, &minrev);
-        return sprintf(buf, "%d.%d\n", majrev, minrev);
+        return sprintf(buf, "%x\n", ipath_layer_get_pcirev(dev->dd));
 }
 
 static ssize_t show_hca(struct class_device *cdev, char *buf)
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs.h b/drivers/infiniband/hw/ipath/ipath_verbs.h
index 4f8d59300e9b..2df684727dc1 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs.h
+++ b/drivers/infiniband/hw/ipath/ipath_verbs.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -148,6 +149,7 @@ struct ipath_mcast {
         struct list_head qp_list;
         wait_queue_head_t wait;
         atomic_t refcount;
+        int n_attached;
 };
 
 /* Memory region */
@@ -305,32 +307,34 @@ struct ipath_qp {
         u32 s_next_psn;         /* PSN for next request */
         u32 s_last_psn;         /* last response PSN processed */
         u32 s_psn;              /* current packet sequence number */
+        u32 s_ack_psn;          /* PSN for RDMA_READ */
         u32 s_rnr_timeout;      /* number of milliseconds for RNR timeout */
-        u32 s_ack_psn;          /* PSN for next ACK or RDMA_READ */
-        u64 s_ack_atomic;       /* data for atomic ACK */
+        u32 r_ack_psn;          /* PSN for next ACK or atomic ACK */
         u64 r_wr_id;            /* ID for current receive WQE */
         u64 r_atomic_data;      /* data for last atomic op */
         u32 r_atomic_psn;       /* PSN of last atomic op */
         u32 r_len;              /* total length of r_sge */
         u32 r_rcv_len;          /* receive data len processed */
         u32 r_psn;              /* expected rcv packet sequence number */
+        u32 r_msn;              /* message sequence number */
         u8 state;               /* QP state */
         u8 s_state;             /* opcode of last packet sent */
         u8 s_ack_state;         /* opcode of packet to ACK */
         u8 s_nak_state;         /* non-zero if NAK is pending */
         u8 r_state;             /* opcode of last packet received */
+        u8 r_ack_state;         /* opcode of packet to ACK */
+        u8 r_nak_state;         /* non-zero if NAK is pending */
+        u8 r_min_rnr_timer;     /* retry timeout value for RNR NAKs */
         u8 r_reuse_sge;         /* for UC receive errors */
         u8 r_sge_inx;           /* current index into sg_list */
-        u8 s_max_sge;           /* size of s_wq->sg_list */
         u8 qp_access_flags;
+        u8 s_max_sge;           /* size of s_wq->sg_list */
         u8 s_retry_cnt;         /* number of times to retry */
         u8 s_rnr_retry_cnt;
-        u8 s_min_rnr_timer;
         u8 s_retry;             /* requester retry counter */
         u8 s_rnr_retry;         /* requester RNR retry counter */
         u8 s_pkey_index;        /* PKEY index to use */
         enum ib_mtu path_mtu;
-        atomic_t msn;           /* message sequence number */
         u32 remote_qpn;
         u32 qkey;               /* QKEY for this QP (for UD or RD) */
         u32 s_size;             /* send work queue size */
@@ -431,6 +435,11 @@ struct ipath_ibdev {
         __be64 sys_image_guid;  /* in network order */
         __be64 gid_prefix;      /* in network order */
         __be64 mkey;
+        u32 n_pds_allocated;    /* number of PDs allocated for device */
+        u32 n_ahs_allocated;    /* number of AHs allocated for device */
+        u32 n_cqs_allocated;    /* number of CQs allocated for device */
+        u32 n_srqs_allocated;   /* number of SRQs allocated for device */
+        u32 n_mcast_grps_allocated; /* number of mcast groups allocated */
         u64 ipath_sword;        /* total dwords sent (sample result) */
         u64 ipath_rword;        /* total dwords received (sample result) */
         u64 ipath_spkts;        /* total packets sent (sample result) */
@@ -442,17 +451,19 @@ struct ipath_ibdev {
         u64 n_unicast_rcv;      /* total unicast packets received */
         u64 n_multicast_xmit;   /* total multicast packets sent */
         u64 n_multicast_rcv;    /* total multicast packets received */
-        u64 n_symbol_error_counter;     /* starting count for PMA */
-        u64 n_link_error_recovery_counter;      /* starting count for PMA */
-        u64 n_link_downed_counter;      /* starting count for PMA */
-        u64 n_port_rcv_errors;  /* starting count for PMA */
-        u64 n_port_rcv_remphys_errors;  /* starting count for PMA */
-        u64 n_port_xmit_discards;       /* starting count for PMA */
-        u64 n_port_xmit_data;   /* starting count for PMA */
-        u64 n_port_rcv_data;    /* starting count for PMA */
-        u64 n_port_xmit_packets;        /* starting count for PMA */
-        u64 n_port_rcv_packets; /* starting count for PMA */
-        u32 n_pkey_violations;  /* starting count for PMA */
+        u64 z_symbol_error_counter;             /* starting count for PMA */
+        u64 z_link_error_recovery_counter;      /* starting count for PMA */
+        u64 z_link_downed_counter;              /* starting count for PMA */
+        u64 z_port_rcv_errors;                  /* starting count for PMA */
+        u64 z_port_rcv_remphys_errors;          /* starting count for PMA */
+        u64 z_port_xmit_discards;               /* starting count for PMA */
+        u64 z_port_xmit_data;                   /* starting count for PMA */
+        u64 z_port_rcv_data;                    /* starting count for PMA */
+        u64 z_port_xmit_packets;                /* starting count for PMA */
+        u64 z_port_rcv_packets;                 /* starting count for PMA */
+        u32 z_pkey_violations;                  /* starting count for PMA */
+        u32 z_local_link_integrity_errors;      /* starting count for PMA */
+        u32 z_excessive_buffer_overrun_errors;  /* starting count for PMA */
         u32 n_rc_resends;
         u32 n_rc_acks;
         u32 n_rc_qacks;
@@ -462,6 +473,7 @@ struct ipath_ibdev {
         u32 n_other_naks;
         u32 n_timeouts;
         u32 n_pkt_drops;
+        u32 n_vl15_dropped;
         u32 n_wqe_errs;
         u32 n_rdma_dup_busy;
         u32 n_piowait;
@@ -580,10 +592,6 @@ void ipath_sqerror_qp(struct ipath_qp *qp, struct ib_wc *wc);
 
 void ipath_get_credit(struct ipath_qp *qp, u32 aeth);
 
-void ipath_do_rc_send(unsigned long data);
-
-void ipath_do_uc_send(unsigned long data);
-
 void ipath_cq_enter(struct ipath_cq *cq, struct ib_wc *entry, int sig);
 
 int ipath_rkey_ok(struct ipath_ibdev *dev, struct ipath_sge_state *ss,
@@ -596,7 +604,7 @@ void ipath_copy_sge(struct ipath_sge_state *ss, void *data, u32 length);
 
 void ipath_skip_sge(struct ipath_sge_state *ss, u32 length);
 
-int ipath_post_rc_send(struct ipath_qp *qp, struct ib_send_wr *wr);
+int ipath_post_ruc_send(struct ipath_qp *qp, struct ib_send_wr *wr);
 
 void ipath_uc_rcv(struct ipath_ibdev *dev, struct ipath_ib_header *hdr,
                   int has_grh, void *data, u32 tlen, struct ipath_qp *qp);
@@ -678,7 +686,19 @@ void ipath_insert_rnr_queue(struct ipath_qp *qp);
 
 int ipath_get_rwqe(struct ipath_qp *qp, int wr_id_only);
 
-void ipath_ruc_loopback(struct ipath_qp *sqp, struct ib_wc *wc);
+u32 ipath_make_grh(struct ipath_ibdev *dev, struct ib_grh *hdr,
+                   struct ib_global_route *grh, u32 hwords, u32 nwords);
+
+void ipath_do_ruc_send(unsigned long data);
+
+u32 ipath_make_rc_ack(struct ipath_qp *qp, struct ipath_other_headers *ohdr,
+                      u32 pmtu);
+
+int ipath_make_rc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr,
+                      u32 pmtu, u32 *bth0p, u32 *bth2p);
+
+int ipath_make_uc_req(struct ipath_qp *qp, struct ipath_other_headers *ohdr,
+                      u32 pmtu, u32 *bth0p, u32 *bth2p);
 
 extern const enum ib_wc_opcode ib_ipath_wc_opcode[];
 
@@ -688,6 +708,24 @@ extern const int ib_ipath_state_ops[];
 
 extern unsigned int ib_ipath_lkey_table_size;
 
+extern unsigned int ib_ipath_max_cqes;
+
+extern unsigned int ib_ipath_max_cqs;
+
+extern unsigned int ib_ipath_max_qp_wrs;
+
+extern unsigned int ib_ipath_max_sges;
+
+extern unsigned int ib_ipath_max_mcast_grps;
+
+extern unsigned int ib_ipath_max_mcast_qp_attached;
+
+extern unsigned int ib_ipath_max_srqs;
+
+extern unsigned int ib_ipath_max_srq_sges;
+
+extern unsigned int ib_ipath_max_srq_wrs;
+
 extern const u32 ib_ipath_rnr_table[];
 
 #endif                          /* IPATH_VERBS_H */
diff --git a/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c b/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
index 10b31d2c4f20..ee0e1d96d723 100644
--- a/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
+++ b/drivers/infiniband/hw/ipath/ipath_verbs_mcast.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
@@ -92,6 +93,7 @@ static struct ipath_mcast *ipath_mcast_alloc(union ib_gid *mgid)
         INIT_LIST_HEAD(&mcast->qp_list);
         init_waitqueue_head(&mcast->wait);
         atomic_set(&mcast->refcount, 0);
+        mcast->n_attached = 0;
 
 bail:
         return mcast;
@@ -157,7 +159,8 @@ bail:
  * the table but the QP was added.  Return ESRCH if the QP was already
  * attached and neither structure was added.
  */
-static int ipath_mcast_add(struct ipath_mcast *mcast,
+static int ipath_mcast_add(struct ipath_ibdev *dev,
+                           struct ipath_mcast *mcast,
                            struct ipath_mcast_qp *mqp)
 {
         struct rb_node **n = &mcast_tree.rb_node;
@@ -188,34 +191,47 @@ static int ipath_mcast_add(struct ipath_mcast *mcast,
                 /* Search the QP list to see if this is already there. */
                 list_for_each_entry_rcu(p, &tmcast->qp_list, list) {
                         if (p->qp == mqp->qp) {
-                                spin_unlock_irqrestore(&mcast_lock, flags);
                                 ret = ESRCH;
                                 goto bail;
                         }
                 }
+                if (tmcast->n_attached == ib_ipath_max_mcast_qp_attached) {
+                        ret = ENOMEM;
+                        goto bail;
+                }
+
+                tmcast->n_attached++;
+
                 list_add_tail_rcu(&mqp->list, &tmcast->qp_list);
-                spin_unlock_irqrestore(&mcast_lock, flags);
                 ret = EEXIST;
                 goto bail;
         }
 
+        if (dev->n_mcast_grps_allocated == ib_ipath_max_mcast_grps) {
+                ret = ENOMEM;
+                goto bail;
+        }
+
+        dev->n_mcast_grps_allocated++;
+
         list_add_tail_rcu(&mqp->list, &mcast->qp_list);
 
         atomic_inc(&mcast->refcount);
         rb_link_node(&mcast->rb_node, pn, n);
         rb_insert_color(&mcast->rb_node, &mcast_tree);
 
-        spin_unlock_irqrestore(&mcast_lock, flags);
-
         ret = 0;
 
 bail:
+        spin_unlock_irqrestore(&mcast_lock, flags);
+
         return ret;
 }
 
 int ipath_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 {
         struct ipath_qp *qp = to_iqp(ibqp);
+        struct ipath_ibdev *dev = to_idev(ibqp->device);
         struct ipath_mcast *mcast;
         struct ipath_mcast_qp *mqp;
         int ret;
@@ -235,7 +251,7 @@ int ipath_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
                 ret = -ENOMEM;
                 goto bail;
         }
-        switch (ipath_mcast_add(mcast, mqp)) {
+        switch (ipath_mcast_add(dev, mcast, mqp)) {
         case ESRCH:
                 /* Neither was used: can't attach the same QP twice. */
                 ipath_mcast_qp_free(mqp);
@@ -245,6 +261,12 @@ int ipath_multicast_attach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
         case EEXIST:            /* The mcast wasn't used */
                 ipath_mcast_free(mcast);
                 break;
+        case ENOMEM:
+                /* Exceeded the maximum number of mcast groups. */
+                ipath_mcast_qp_free(mqp);
+                ipath_mcast_free(mcast);
+                ret = -ENOMEM;
+                goto bail;
         default:
                 break;
         }
@@ -258,6 +280,7 @@ bail:
 int ipath_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
 {
         struct ipath_qp *qp = to_iqp(ibqp);
+        struct ipath_ibdev *dev = to_idev(ibqp->device);
         struct ipath_mcast *mcast = NULL;
         struct ipath_mcast_qp *p, *tmp;
         struct rb_node *n;
@@ -272,7 +295,7 @@ int ipath_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
         while (1) {
                 if (n == NULL) {
                         spin_unlock_irqrestore(&mcast_lock, flags);
-                        ret = 0;
+                        ret = -EINVAL;
                         goto bail;
                 }
 
@@ -296,6 +319,7 @@ int ipath_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
                  * link until we are sure there are no list walkers.
                  */
                 list_del_rcu(&p->list);
+                mcast->n_attached--;
 
                 /* If this was the last attached QP, remove the GID too. */
                 if (list_empty(&mcast->qp_list)) {
@@ -319,6 +343,7 @@ int ipath_multicast_detach(struct ib_qp *ibqp, union ib_gid *gid, u16 lid)
                 atomic_dec(&mcast->refcount);
                 wait_event(mcast->wait, !atomic_read(&mcast->refcount));
                 ipath_mcast_free(mcast);
+                dev->n_mcast_grps_allocated--;
         }
 
         ret = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
index adc5322f15c1..f8f9e2e8cbdd 100644
--- a/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
+++ b/drivers/infiniband/hw/ipath/ipath_wc_x86_64.c
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/hw/ipath/ips_common.h b/drivers/infiniband/hw/ipath/ips_common.h
deleted file mode 100644
index ab7cbbbfd03a..000000000000
--- a/drivers/infiniband/hw/ipath/ips_common.h
+++ /dev/null
@@ -1,263 +0,0 @@
-#ifndef IPS_COMMON_H
-#define IPS_COMMON_H
-/*
- * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
- *
- * This software is available to you under a choice of one of two
- * licenses.  You may choose to be licensed under the terms of the GNU
- * General Public License (GPL) Version 2, available from the file
- * COPYING in the main directory of this source tree, or the
- * OpenIB.org BSD license below:
- *
- *     Redistribution and use in source and binary forms, with or
- *     without modification, are permitted provided that the following
- *     conditions are met:
- *
- *      - Redistributions of source code must retain the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer.
- *
- *      - Redistributions in binary form must reproduce the above
- *        copyright notice, this list of conditions and the following
- *        disclaimer in the documentation and/or other materials
- *        provided with the distribution.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
- * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
- * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
- * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
- * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
- * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#include "ipath_common.h"
-
-struct ipath_header {
-        /*
-         * Version - 4 bits, Port - 4 bits, TID - 10 bits and Offset -
-         * 14 bits before ECO change ~28 Dec 03.  After that, Vers 4,
-         * Port 3, TID 11, offset 14.
-         */
-        __le32 ver_port_tid_offset;
-        __le16 chksum;
-        __le16 pkt_flags;
-};
-
-struct ips_message_header {
-        __be16 lrh[4];
-        __be32 bth[3];
-        /* fields below this point are in host byte order */
-        struct ipath_header iph;
-        __u8 sub_opcode;
-        __u8 flags;
-        __u16 src_rank;
-        /* 24 bits. The upper 8 bit is available for other use */
-        union {
-                struct {
-                        unsigned ack_seq_num:24;
-                        unsigned port:4;
-                        unsigned unused:4;
-                };
-                __u32 ack_seq_num_org;
-        };
-        __u8 expected_tid_session_id;
-        __u8 tinylen;           /* to aid MPI */
-        union {
-            __u16 tag;          /* to aid MPI */
-            __u16 mqhdr;        /* for PSM MQ */
-        };
-        union {
-                __u32 mpi[4];   /* to aid MPI */
-                __u32 data[4];
-                __u64 mq[2];    /* for PSM MQ */
-                struct {
-                        __u16 mtu;
-                        __u8 major_ver;
-                        __u8 minor_ver;
-                        __u32 not_used; //free
-                        __u32 run_id;
-                        __u32 client_ver;
-                };
-        };
-};
-
-struct ether_header {
-        __be16 lrh[4];
-        __be32 bth[3];
-        struct ipath_header iph;
-        __u8 sub_opcode;
-        __u8 cmd;
-        __be16 lid;
-        __u16 mac[3];
-        __u8 frag_num;
-        __u8 seq_num;
-        __le32 len;
-        /* MUST be of word size due to PIO write requirements */
-        __le32 csum;
-        __le16 csum_offset;
-        __le16 flags;
-        __u16 first_2_bytes;
-        __u8 unused[2];         /* currently unused */
-};
-
-/*
- * The PIO buffer used for sending infinipath messages must only be written
- * in 32-bit words, all the data must be written, and no writes can occur
- * after the last word is written (which transfers "ownership" of the buffer
- * to the chip and triggers the message to be sent).
- * Since the Linux sk_buff structure can be recursive, non-aligned, and
- * any number of bytes in each segment, we use the following structure
- * to keep information about the overall state of the copy operation.
- * This is used to save the information needed to store the checksum
- * in the right place before sending the last word to the hardware and
- * to buffer the last 0-3 bytes of non-word sized segments.
- */
-struct copy_data_s {
-        struct ether_header *hdr;
-        /* addr of PIO buf to write csum to */
-        __u32 __iomem *csum_pio;
-        __u32 __iomem *to;      /* addr of PIO buf to write data to */
-        __u32 device;           /* which device to allocate PIO bufs from */
-        __s32 error;            /* set if there is an error. */
-        __s32 extra;            /* amount of data saved in u.buf below */
-        __u32 len;              /* total length to send in bytes */
-        __u32 flen;             /* frament length in words */
-        __u32 csum;             /* partial IP checksum */
-        __u32 pos;              /* position for partial checksum */
-        __u32 offset;           /* offset to where data currently starts */
-        __s32 checksum_calc;    /* set to 1 when csum has been calculated */
-        struct sk_buff *skb;
-        union {
-                __u32 w;
-                __u8 buf[4];
-        } u;
-};
-
-/* IB - LRH header consts */
-#define IPS_LRH_GRH 0x0003      /* 1. word of IB LRH - next header: GRH */
-#define IPS_LRH_BTH 0x0002      /* 1. word of IB LRH - next header: BTH */
-
-#define IPS_OFFSET  0
-
-/*
- * defines the cut-off point between the header queue and eager/expected
- * TID queue
- */
-#define NUM_OF_EXTRA_WORDS_IN_HEADER_QUEUE \
-        ((sizeof(struct ips_message_header) - \
-          offsetof(struct ips_message_header, iph)) >> 2)
-
-/* OpCodes  */
-#define OPCODE_IPS 0xC0
-#define OPCODE_ITH4X 0xC1
-
-/* OpCode 30 is use by stand-alone test programs  */
-#define OPCODE_RAW_DATA 0xDE
-/* last OpCode (31) is reserved for test  */
-#define OPCODE_TEST 0xDF
-
-/* sub OpCodes - ips  */
-#define OPCODE_SEQ_DATA 0x01
-#define OPCODE_SEQ_CTRL 0x02
-
-#define OPCODE_SEQ_MQ_DATA 0x03
-#define OPCODE_SEQ_MQ_CTRL 0x04
-
-#define OPCODE_ACK 0x10
-#define OPCODE_NAK 0x11
-
-#define OPCODE_ERR_CHK 0x20
-#define OPCODE_ERR_CHK_PLS 0x21
-
-#define OPCODE_STARTUP 0x30
-#define OPCODE_STARTUP_ACK 0x31
-#define OPCODE_STARTUP_NAK 0x32
-
-#define OPCODE_STARTUP_EXT 0x34
-#define OPCODE_STARTUP_ACK_EXT 0x35
-#define OPCODE_STARTUP_NAK_EXT 0x36
-
-#define OPCODE_TIDS_RELEASE 0x40
-#define OPCODE_TIDS_RELEASE_CONFIRM 0x41
-
-#define OPCODE_CLOSE 0x50
-#define OPCODE_CLOSE_ACK 0x51
-/*
- * like OPCODE_CLOSE, but no complaint if other side has already closed.
- * Used when doing abort(), MPI_Abort(), etc.
- */
-#define OPCODE_ABORT 0x52
-
-/* sub OpCodes - ith4x  */
-#define OPCODE_ENCAP 0x81
-#define OPCODE_LID_ARP 0x82
-
-/* Receive Header Queue: receive type (from infinipath) */
-#define RCVHQ_RCV_TYPE_EXPECTED  0
-#define RCVHQ_RCV_TYPE_EAGER     1
-#define RCVHQ_RCV_TYPE_NON_KD    2
-#define RCVHQ_RCV_TYPE_ERROR     3
-
-/* misc. */
-#define SIZE_OF_CRC 1
-
-#define EAGER_TID_ID INFINIPATH_I_TID_MASK
-
-#define IPS_DEFAULT_P_KEY 0xFFFF
-
-#define IPS_PERMISSIVE_LID 0xFFFF
-#define IPS_MULTICAST_LID_BASE 0xC000
-
-#define IPS_AETH_CREDIT_SHIFT 24
-#define IPS_AETH_CREDIT_MASK 0x1F
-#define IPS_AETH_CREDIT_INVAL 0x1F
-
-#define IPS_PSN_MASK 0xFFFFFF
-#define IPS_MSN_MASK 0xFFFFFF
-#define IPS_QPN_MASK 0xFFFFFF
-#define IPS_MULTICAST_QPN 0xFFFFFF
-
-/* functions for extracting fields from rcvhdrq entries */
-static inline __u32 ips_get_hdr_err_flags(const __le32 * rbuf)
-{
-        return __le32_to_cpu(rbuf[1]);
-}
-
-static inline __u32 ips_get_index(const __le32 * rbuf)
-{
-        return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_EGRINDEX_SHIFT)
-            & INFINIPATH_RHF_EGRINDEX_MASK;
-}
-
-static inline __u32 ips_get_rcv_type(const __le32 * rbuf)
-{
-        return (__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_RCVTYPE_SHIFT)
-            & INFINIPATH_RHF_RCVTYPE_MASK;
-}
-
-static inline __u32 ips_get_length_in_bytes(const __le32 * rbuf)
-{
-        return ((__le32_to_cpu(rbuf[0]) >> INFINIPATH_RHF_LENGTH_SHIFT)
-                & INFINIPATH_RHF_LENGTH_MASK) << 2;
-}
-
-static inline void *ips_get_first_protocol_header(const __u32 * rbuf)
-{
-        return (void *)&rbuf[2];
-}
-
-static inline struct ips_message_header *ips_get_ips_header(const __u32 *
-                                                            rbuf)
-{
-        return (struct ips_message_header *)&rbuf[2];
-}
-
-static inline __u32 ips_get_ipath_ver(__le32 hdrword)
-{
-        return (__le32_to_cpu(hdrword) >> INFINIPATH_I_VERS_SHIFT)
-            & INFINIPATH_I_VERS_MASK;
-}
-
-#endif                          /* IPS_COMMON_H */
diff --git a/drivers/infiniband/hw/ipath/verbs_debug.h b/drivers/infiniband/hw/ipath/verbs_debug.h
index 40d693cf3f94..6186676f2a16 100644
--- a/drivers/infiniband/hw/ipath/verbs_debug.h
+++ b/drivers/infiniband/hw/ipath/verbs_debug.h
@@ -1,4 +1,5 @@
 /*
+ * Copyright (c) 2006 QLogic, Inc. All rights reserved.
  * Copyright (c) 2003, 2004, 2005, 2006 PathScale, Inc. All rights reserved.
  *
  * This software is available to you under a choice of one of two
diff --git a/drivers/infiniband/hw/mthca/mthca_eq.c b/drivers/infiniband/hw/mthca/mthca_eq.c
index d536217e700e..a29b1b6d82b1 100644
--- a/drivers/infiniband/hw/mthca/mthca_eq.c
+++ b/drivers/infiniband/hw/mthca/mthca_eq.c
@@ -900,7 +900,7 @@ int __devinit mthca_init_eq_table(struct mthca_dev *dev)
                                   mthca_is_memfree(dev) ?
                                   mthca_arbel_interrupt :
                                   mthca_tavor_interrupt,
-                                  SA_SHIRQ, DRV_NAME, dev);
+                                  IRQF_SHARED, DRV_NAME, dev);
                 if (err)
                         goto err_out_cmd;
                 dev->eq_table.have_irq = 1;
diff --git a/drivers/input/keyboard/corgikbd.c b/drivers/input/keyboard/corgikbd.c
index 1f0e720267d7..1e03153b9bca 100644
--- a/drivers/input/keyboard/corgikbd.c
+++ b/drivers/input/keyboard/corgikbd.c
@@ -352,7 +352,7 @@ static int __init corgikbd_probe(struct platform_device *pdev)
         for (i = 0; i < CORGI_KEY_SENSE_NUM; i++) {
                 pxa_gpio_mode(CORGI_GPIO_KEY_SENSE(i) | GPIO_IN);
                 if (request_irq(CORGI_IRQ_GPIO_KEY_SENSE(i), corgikbd_interrupt,
-                                SA_INTERRUPT | SA_TRIGGER_RISING,
+                                IRQF_DISABLED | IRQF_TRIGGER_RISING,
                                 "corgikbd", corgikbd))
                         printk(KERN_WARNING "corgikbd: Can't get IRQ: %d!\n", i);
         }
diff --git a/drivers/input/keyboard/spitzkbd.c b/drivers/input/keyboard/spitzkbd.c
index c5d03fb77bcb..e385710233f4 100644
--- a/drivers/input/keyboard/spitzkbd.c
+++ b/drivers/input/keyboard/spitzkbd.c
@@ -410,7 +410,7 @@ static int __init spitzkbd_probe(struct platform_device *dev)
         for (i = 0; i < SPITZ_KEY_SENSE_NUM; i++) {
                 pxa_gpio_mode(spitz_senses[i] | GPIO_IN);
                 if (request_irq(IRQ_GPIO(spitz_senses[i]), spitzkbd_interrupt,
-                                SA_INTERRUPT|SA_TRIGGER_RISING,
+                                IRQF_DISABLED|IRQF_TRIGGER_RISING,
                                 "Spitzkbd Sense", spitzkbd))
                         printk(KERN_WARNING "spitzkbd: Can't get Sense IRQ: %d!\n", i);
         }
@@ -425,19 +425,19 @@ static int __init spitzkbd_probe(struct platform_device *dev)
         pxa_gpio_mode(SPITZ_GPIO_SWB | GPIO_IN);
 
         request_irq(SPITZ_IRQ_GPIO_SYNC, spitzkbd_interrupt,
-                    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                     "Spitzkbd Sync", spitzkbd);
         request_irq(SPITZ_IRQ_GPIO_ON_KEY, spitzkbd_interrupt,
-                    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                     "Spitzkbd PwrOn", spitzkbd);
         request_irq(SPITZ_IRQ_GPIO_SWA, spitzkbd_hinge_isr,
-                    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                     "Spitzkbd SWA", spitzkbd);
         request_irq(SPITZ_IRQ_GPIO_SWB, spitzkbd_hinge_isr,
-                    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                     "Spitzkbd SWB", spitzkbd);
         request_irq(SPITZ_IRQ_GPIO_AK_INT, spitzkbd_hinge_isr,
-                    SA_INTERRUPT | SA_TRIGGER_RISING | SA_TRIGGER_FALLING,
+                    IRQF_DISABLED | IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
                     "Spitzkbd HP", spitzkbd);
 
         printk(KERN_INFO "input: Spitz Keyboard Registered\n");
diff --git a/drivers/input/misc/ixp4xx-beeper.c b/drivers/input/misc/ixp4xx-beeper.c
index 3a6ae85cd69c..805b636e73d9 100644
--- a/drivers/input/misc/ixp4xx-beeper.c
+++ b/drivers/input/misc/ixp4xx-beeper.c
@@ -113,7 +113,7 @@ static int __devinit ixp4xx_spkr_probe(struct platform_device *dev)
         input_dev->event = ixp4xx_spkr_event;
 
         err = request_irq(IRQ_IXP4XX_TIMER2, &ixp4xx_spkr_interrupt,
-                          SA_INTERRUPT | SA_TIMER, "ixp4xx-beeper", (void *) dev->id);
+                          IRQF_DISABLED | IRQF_TIMER, "ixp4xx-beeper", (void *) dev->id);
         if (err)
                 goto err_free_device;
 
diff --git a/drivers/input/mouse/rpcmouse.c b/drivers/input/mouse/rpcmouse.c
index 09b6ffdb7582..872b30bf7aad 100644
--- a/drivers/input/mouse/rpcmouse.c
+++ b/drivers/input/mouse/rpcmouse.c
@@ -85,7 +85,7 @@ static int __init rpcmouse_init(void)
         rpcmouse_lastx = (short) iomd_readl(IOMD_MOUSEX);
         rpcmouse_lasty = (short) iomd_readl(IOMD_MOUSEY);
 
-        if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, SA_SHIRQ, "rpcmouse", rpcmouse_dev)) {
+        if (request_irq(IRQ_VSYNCPULSE, rpcmouse_irq, IRQF_SHARED, "rpcmouse", rpcmouse_dev)) {
                 printk(KERN_ERR "rpcmouse: unable to allocate VSYNC interrupt\n");
                 input_free_device(rpcmouse_dev);
                 return -EBUSY;
diff --git a/drivers/input/serio/gscps2.c b/drivers/input/serio/gscps2.c
index 22d02d53eb16..cde036a92168 100644
--- a/drivers/input/serio/gscps2.c
+++ b/drivers/input/serio/gscps2.c
@@ -370,7 +370,7 @@ static int __init gscps2_probe(struct parisc_device *dev)
         serio->dev.parent       = &dev->dev;
 
         ret = -EBUSY;
-        if (request_irq(dev->irq, gscps2_interrupt, SA_SHIRQ, ps2port->port->name, ps2port))
+        if (request_irq(dev->irq, gscps2_interrupt, IRQF_SHARED, ps2port->port->name, ps2port))
                 goto fail_miserably;
 
         if (ps2port->id != GSC_ID_KEYBOARD && ps2port->id != GSC_ID_MOUSE) {
diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 7fa4bc222583..06a3f25657dd 100644
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -328,7 +328,7 @@ static int i8042_open(struct serio *serio)
                         return 0;
 
         if (request_irq(port->irq, i8042_interrupt,
-                        SA_SHIRQ, "i8042", i8042_request_irq_cookie)) {
+                        IRQF_SHARED, "i8042", i8042_request_irq_cookie)) {
                 printk(KERN_ERR "i8042.c: Can't get irq %d for %s, unregistering the port.\n", port->irq, port->name);
                 goto irq_fail;
         }
@@ -610,7 +610,7 @@ static int __devinit i8042_check_aux(void)
  */
 
         if (request_irq(i8042_ports[I8042_AUX_PORT_NO].irq, i8042_interrupt,
-                        SA_SHIRQ, "i8042", &i8042_check_aux_cookie))
+                        IRQF_SHARED, "i8042", &i8042_check_aux_cookie))
                 return -1;
         free_irq(i8042_ports[I8042_AUX_PORT_NO].irq, &i8042_check_aux_cookie);
 
diff --git a/drivers/input/serio/pcips2.c b/drivers/input/serio/pcips2.c
index 1e139c5e59de..fb727c665253 100644
--- a/drivers/input/serio/pcips2.c
+++ b/drivers/input/serio/pcips2.c
@@ -107,7 +107,7 @@ static int pcips2_open(struct serio *io)
         outb(PS2_CTRL_ENABLE, ps2if->base);
         pcips2_flush_input(ps2if);
 
-        ret = request_irq(ps2if->dev->irq, pcips2_interrupt, SA_SHIRQ,
+        ret = request_irq(ps2if->dev->irq, pcips2_interrupt, IRQF_SHARED,
                           "pcips2", ps2if);
         if (ret == 0)
                 val = PS2_CTRL_ENABLE | PS2_CTRL_RXIRQ;
diff --git a/drivers/input/touchscreen/ads7846.c b/drivers/input/touchscreen/ads7846.c
index 386023c594d7..66e411badf70 100644
--- a/drivers/input/touchscreen/ads7846.c
+++ b/drivers/input/touchscreen/ads7846.c
@@ -773,7 +773,7 @@ static int __devinit ads7846_probe(struct spi_device *spi)
 
         ts->last_msg = m;
 
-        if (request_irq(spi->irq, ads7846_irq, SA_TRIGGER_FALLING,
+        if (request_irq(spi->irq, ads7846_irq, IRQF_TRIGGER_FALLING,
                         spi->dev.driver->name, ts)) {
                 dev_dbg(&spi->dev, "irq %d busy?\n", spi->irq);
                 err = -EBUSY;
diff --git a/drivers/input/touchscreen/corgi_ts.c b/drivers/input/touchscreen/corgi_ts.c
index b3eaf23b17c8..9b66271d3ba8 100644
--- a/drivers/input/touchscreen/corgi_ts.c
+++ b/drivers/input/touchscreen/corgi_ts.c
@@ -318,7 +318,7 @@ static int __init corgits_probe(struct platform_device *pdev)
         corgi_ssp_ads7846_putget((5u << ADSCTRL_ADR_SH) | ADSCTRL_STS);
         mdelay(5);
 
-        if (request_irq(corgi_ts->irq_gpio, ts_interrupt, SA_INTERRUPT, "ts", corgi_ts)) {
+        if (request_irq(corgi_ts->irq_gpio, ts_interrupt, IRQF_DISABLED, "ts", corgi_ts)) {
                 err = -EBUSY;
                 goto fail;
         }
diff --git a/drivers/input/touchscreen/h3600_ts_input.c b/drivers/input/touchscreen/h3600_ts_input.c
index 2de2139f2fed..e2b910018773 100644
--- a/drivers/input/touchscreen/h3600_ts_input.c
+++ b/drivers/input/touchscreen/h3600_ts_input.c
@@ -399,14 +399,14 @@ static int h3600ts_connect(struct serio *serio, struct serio_driver *drv)
         set_GPIO_IRQ_edge(GPIO_BITSY_NPOWER_BUTTON, GPIO_RISING_EDGE);
 
         if (request_irq(IRQ_GPIO_BITSY_ACTION_BUTTON, action_button_handler,
-                        SA_SHIRQ | SA_INTERRUPT, "h3600_action", &ts->dev)) {
+                        IRQF_SHARED | IRQF_DISABLED, "h3600_action", &ts->dev)) {
                 printk(KERN_ERR "h3600ts.c: Could not allocate Action Button IRQ!\n");
                 err = -EBUSY;
                 goto fail2;
         }
 
         if (request_irq(IRQ_GPIO_BITSY_NPOWER_BUTTON, npower_button_handler,
-                        SA_SHIRQ | SA_INTERRUPT, "h3600_suspend", &ts->dev)) {
+                        IRQF_SHARED | IRQF_DISABLED, "h3600_suspend", &ts->dev)) {
                 printk(KERN_ERR "h3600ts.c: Could not allocate Power Button IRQ!\n");
                 err = -EBUSY;
                 goto fail3;
diff --git a/drivers/input/touchscreen/hp680_ts_input.c b/drivers/input/touchscreen/hp680_ts_input.c
index 957dd5a1b15e..fa97e0f79e7e 100644
--- a/drivers/input/touchscreen/hp680_ts_input.c
+++ b/drivers/input/touchscreen/hp680_ts_input.c
@@ -109,7 +109,7 @@ static int __init hp680_ts_init(void)
         input_register_device(hp680_ts_dev);
 
         if (request_irq(HP680_TS_IRQ, hp680_ts_interrupt,
-                        SA_INTERRUPT, MODNAME, 0) < 0) {
+                        IRQF_DISABLED, MODNAME, 0) < 0) {
                 printk(KERN_ERR "hp680_touchscreen.c: Can't allocate irq %d\n",
                        HP680_TS_IRQ);
                 input_unregister_device(hp680_ts_dev);
diff --git a/drivers/isdn/hardware/avm/b1pci.c b/drivers/isdn/hardware/avm/b1pci.c
index 7edf19b32299..90e2e6643d19 100644
--- a/drivers/isdn/hardware/avm/b1pci.c
+++ b/drivers/isdn/hardware/avm/b1pci.c
@@ -97,7 +97,7 @@ static int b1pci_probe(struct capicardparams *p, struct pci_dev *pdev)
         b1_reset(card->port);
         b1_getrevision(card);
         
-        retval = request_irq(card->irq, b1_interrupt, SA_SHIRQ, card->name, card);
+        retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card);
         if (retval) {
                 printk(KERN_ERR "b1pci: unable to get IRQ %d.\n", card->irq);
                 retval = -EBUSY;
@@ -234,7 +234,7 @@ static int b1pciv4_probe(struct capicardparams *p, struct pci_dev *pdev)
         b1dma_reset(card);
         b1_getrevision(card);
 
-        retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
+        retval = request_irq(card->irq, b1dma_interrupt, IRQF_SHARED, card->name, card);
         if (retval) {
                 printk(KERN_ERR "b1pci: unable to get IRQ %d.\n",
                        card->irq);
diff --git a/drivers/isdn/hardware/avm/b1pcmcia.c b/drivers/isdn/hardware/avm/b1pcmcia.c
index ad5025155b4e..e479c0aef38d 100644
--- a/drivers/isdn/hardware/avm/b1pcmcia.c
+++ b/drivers/isdn/hardware/avm/b1pcmcia.c
@@ -82,7 +82,7 @@ static int b1pcmcia_add_card(unsigned int port, unsigned irq,
         card->irq = irq;
         card->cardtype = cardtype;
 
-        retval = request_irq(card->irq, b1_interrupt, SA_SHIRQ, card->name, card);
+        retval = request_irq(card->irq, b1_interrupt, IRQF_SHARED, card->name, card);
         if (retval) {
                 printk(KERN_ERR "b1pcmcia: unable to get IRQ %d.\n",
                        card->irq);
diff --git a/drivers/isdn/hardware/avm/c4.c b/drivers/isdn/hardware/avm/c4.c
index e7924a545d49..6c3d5f5f1f4b 100644
--- a/drivers/isdn/hardware/avm/c4.c
+++ b/drivers/isdn/hardware/avm/c4.c
@@ -1172,7 +1172,7 @@ static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
         }
         c4_reset(card);
 
-        retval = request_irq(card->irq, c4_interrupt, SA_SHIRQ, card->name, card);
+        retval = request_irq(card->irq, c4_interrupt, IRQF_SHARED, card->name, card);
         if (retval) {
                 printk(KERN_ERR "c4: unable to get IRQ %d.\n",card->irq);
                 retval = -EBUSY;
diff --git a/drivers/isdn/hardware/avm/t1pci.c b/drivers/isdn/hardware/avm/t1pci.c
index af85511600d0..d1e253c94db4 100644
--- a/drivers/isdn/hardware/avm/t1pci.c
+++ b/drivers/isdn/hardware/avm/t1pci.c
@@ -103,7 +103,7 @@ static int t1pci_add_card(struct capicardparams *p, struct pci_dev *pdev)
         }
         b1dma_reset(card);
 
-        retval = request_irq(card->irq, b1dma_interrupt, SA_SHIRQ, card->name, card);
+        retval = request_irq(card->irq, b1dma_interrupt, IRQF_SHARED, card->name, card);
         if (retval) {
                 printk(KERN_ERR "t1pci: unable to get IRQ %d.\n", card->irq);
                 retval = -EBUSY;
diff --git a/drivers/isdn/hardware/eicon/divasmain.c b/drivers/isdn/hardware/eicon/divasmain.c
index b05e35f7ccb1..b7dadba13e82 100644
--- a/drivers/isdn/hardware/eicon/divasmain.c
+++ b/drivers/isdn/hardware/eicon/divasmain.c
@@ -486,7 +486,7 @@ void __inline__ outpp(void __iomem *addr, word p)
 int diva_os_register_irq(void *context, byte irq, const char *name)
 {
         int result = request_irq(irq, diva_os_irq_wrapper,
-                                 SA_INTERRUPT | SA_SHIRQ, name, context);
+                                 IRQF_DISABLED | IRQF_SHARED, name, context);
         return (result);
 }
 
diff --git a/drivers/isdn/hisax/avm_a1p.c b/drivers/isdn/hisax/avm_a1p.c
index d643bb32ad09..574e252dfa43 100644
--- a/drivers/isdn/hisax/avm_a1p.c
+++ b/drivers/isdn/hisax/avm_a1p.c
@@ -255,7 +255,7 @@ setup_avm_a1_pcmcia(struct IsdnCard *card)
         cs->BC_Write_Reg = &WriteHSCX;
         cs->BC_Send_Data = &hscx_fill_fifo;
         cs->cardmsg = &AVM_card_msg;
-        cs->irq_flags = SA_SHIRQ;
+        cs->irq_flags = IRQF_SHARED;
         cs->irq_func = &avm_a1p_interrupt;
 
         ISACVersion(cs, "AVM A1 PCMCIA:");
diff --git a/drivers/isdn/hisax/avm_pci.c b/drivers/isdn/hisax/avm_pci.c
index 93f3a5343a74..04f5917bf5a1 100644
--- a/drivers/isdn/hisax/avm_pci.c
+++ b/drivers/isdn/hisax/avm_pci.c
@@ -808,7 +808,7 @@ setup_avm_pcipnp(struct IsdnCard *card)
                 printk(KERN_WARNING "FritzPCI: No PCI card found\n");
                 return(0);
         }
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
 #else
         printk(KERN_WARNING "FritzPCI: NO_PCI_BIOS\n");
         return (0);
diff --git a/drivers/isdn/hisax/bkm_a4t.c b/drivers/isdn/hisax/bkm_a4t.c
index de28cb54817d..3cf1f2421789 100644
--- a/drivers/isdn/hisax/bkm_a4t.c
+++ b/drivers/isdn/hisax/bkm_a4t.c
@@ -335,7 +335,7 @@ setup_bkm_a4t(struct IsdnCard *card)
         cs->BC_Send_Data = &jade_fill_fifo;
         cs->cardmsg = &BKM_card_msg;
         cs->irq_func = &bkm_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         ISACVersion(cs, "Telekom A4T:");
         /* Jade version */
         JadeVersion(cs, "Telekom A4T:");
diff --git a/drivers/isdn/hisax/bkm_a8.c b/drivers/isdn/hisax/bkm_a8.c
index 9d1abfb93dde..15681f3e73b8 100644
--- a/drivers/isdn/hisax/bkm_a8.c
+++ b/drivers/isdn/hisax/bkm_a8.c
@@ -374,7 +374,7 @@ setup_sct_quadro(struct IsdnCard *card)
         pci_ioaddr5 &= PCI_BASE_ADDRESS_IO_MASK;
         /* Take over */
         cs->irq = pci_irq;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         /* pci_ioaddr1 is unique to all subdevices */
         /* pci_ioaddr2 is for the fourth subdevice only */
         /* pci_ioaddr3 is for the third subdevice only */
diff --git a/drivers/isdn/hisax/diva.c b/drivers/isdn/hisax/diva.c
index fbb9d02e3e29..323a02ef3844 100644
--- a/drivers/isdn/hisax/diva.c
+++ b/drivers/isdn/hisax/diva.c
@@ -1076,7 +1076,7 @@ setup_diva(struct IsdnCard *card)
                         printk(KERN_WARNING "Diva: No IO-Adr for PCI card found\n");
                         return(0);
                 }
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
 #else
                 printk(KERN_WARNING "Diva: cfgreg 0 and NO_PCI_BIOS\n");
                 printk(KERN_WARNING "Diva: unable to config DIVA PCI\n");
diff --git a/drivers/isdn/hisax/elsa.c b/drivers/isdn/hisax/elsa.c
index 7a5cdb1dee1e..3b3e318f6076 100644
--- a/drivers/isdn/hisax/elsa.c
+++ b/drivers/isdn/hisax/elsa.c
@@ -85,8 +85,8 @@ static const char *ITACVer[] =
  ***                                                                    ***/
 
 /* Config-Register (Read) */
-#define ELSA_TIMER_RUN       0x02       /* Bit 1 des Config-Reg     */
-#define ELSA_TIMER_RUN_PCC8  0x01       /* Bit 0 des Config-Reg  bei PCC */
+#define ELIRQF_TIMER_RUN       0x02     /* Bit 1 des Config-Reg     */
+#define ELIRQF_TIMER_RUN_PCC8  0x01     /* Bit 0 des Config-Reg  bei PCC */
 #define ELSA_IRQ_IDX       0x38 /* Bit 3,4,5 des Config-Reg */
 #define ELSA_IRQ_IDX_PCC8  0x30 /* Bit 4,5 des Config-Reg */
 #define ELSA_IRQ_IDX_PC    0x0c /* Bit 2,3 des Config-Reg */
@@ -102,7 +102,7 @@ static const char *ITACVer[] =
 #define ELSA_S0_POWER_BAD    0x08       /* Bit 3 S0-Bus Spannung fehlt */
 
 /* Status Flags */
-#define ELSA_TIMER_AKTIV 1
+#define ELIRQF_TIMER_AKTIV 1
 #define ELSA_BAD_PWR     2
 #define ELSA_ASSIGN      4
 
@@ -259,10 +259,10 @@ TimerRun(struct IsdnCardState *cs)
 
         v = bytein(cs->hw.elsa.cfg);
         if ((cs->subtyp == ELSA_QS1000) || (cs->subtyp == ELSA_QS3000))
-                return (0 == (v & ELSA_TIMER_RUN));
+                return (0 == (v & ELIRQF_TIMER_RUN));
         else if (cs->subtyp == ELSA_PCC8)
-                return (v & ELSA_TIMER_RUN_PCC8);
-        return (v & ELSA_TIMER_RUN);
+                return (v & ELIRQF_TIMER_RUN_PCC8);
+        return (v & ELIRQF_TIMER_RUN);
 }
 /*
  * fast interrupt HSCX stuff goes here
@@ -334,7 +334,7 @@ elsa_interrupt(int intno, void *dev_id, struct pt_regs *regs)
         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK, 0xFF);
         writereg(cs->hw.elsa.ale, cs->hw.elsa.hscx, HSCX_MASK + 0x40, 0xFF);
         writereg(cs->hw.elsa.ale, cs->hw.elsa.isac, ISAC_MASK, 0xFF);
-        if (cs->hw.elsa.status & ELSA_TIMER_AKTIV) {
+        if (cs->hw.elsa.status & ELIRQF_TIMER_AKTIV) {
                 if (!TimerRun(cs)) {
                         /* Timer Restart */
                         byteout(cs->hw.elsa.timer, 0);
@@ -685,7 +685,7 @@ Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
                                 spin_lock_irqsave(&cs->lock, flags);
                                 cs->hw.elsa.counter = 0;
                                 cs->hw.elsa.ctrl_reg |= ELSA_ENA_TIMER_INT;
-                                cs->hw.elsa.status |= ELSA_TIMER_AKTIV;
+                                cs->hw.elsa.status |= ELIRQF_TIMER_AKTIV;
                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
                                 byteout(cs->hw.elsa.timer, 0);
                                 spin_unlock_irqrestore(&cs->lock, flags);
@@ -693,7 +693,7 @@ Elsa_card_msg(struct IsdnCardState *cs, int mt, void *arg)
                                 spin_lock_irqsave(&cs->lock, flags);
                                 cs->hw.elsa.ctrl_reg &= ~ELSA_ENA_TIMER_INT;
                                 byteout(cs->hw.elsa.ctrl, cs->hw.elsa.ctrl_reg);
-                                cs->hw.elsa.status &= ~ELSA_TIMER_AKTIV;
+                                cs->hw.elsa.status &= ~ELIRQF_TIMER_AKTIV;
                                 spin_unlock_irqrestore(&cs->lock, flags);
                                 printk(KERN_INFO "Elsa: %d timer tics in 110 msek\n",
                                        cs->hw.elsa.counter);
@@ -1012,7 +1012,7 @@ setup_elsa(struct IsdnCard *card)
                 cs->hw.elsa.timer = 0;
                 cs->hw.elsa.trig = 0;
                 cs->hw.elsa.ctrl = 0;
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
                 printk(KERN_INFO
                        "Elsa: %s defined at %#lx IRQ %d\n",
                        Elsa_Types[cs->subtyp],
@@ -1061,7 +1061,7 @@ setup_elsa(struct IsdnCard *card)
                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
                 cs->hw.elsa.timer = 0;
                 cs->hw.elsa.trig  = 0;
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
                 printk(KERN_INFO
                        "Elsa: %s defined at %#lx/0x%x IRQ %d\n",
                        Elsa_Types[cs->subtyp],
diff --git a/drivers/isdn/hisax/enternow_pci.c b/drivers/isdn/hisax/enternow_pci.c
index 5f4876184691..8fcbe2e7d765 100644
--- a/drivers/isdn/hisax/enternow_pci.c
+++ b/drivers/isdn/hisax/enternow_pci.c
@@ -405,7 +405,7 @@ setup_enternow_pci(struct IsdnCard *card)
         cs->BC_Send_Data = &netjet_fill_dma;
         cs->cardmsg = &enpci_card_msg;
         cs->irq_func = &enpci_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
 
         return (1);
 }
diff --git a/drivers/isdn/hisax/gazel.c b/drivers/isdn/hisax/gazel.c
index 82a1d2e86cee..3e7d92303582 100644
--- a/drivers/isdn/hisax/gazel.c
+++ b/drivers/isdn/hisax/gazel.c
@@ -592,7 +592,7 @@ setup_gazelpci(struct IsdnCardState *cs)
         cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
         cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
         cs->irq = pci_irq;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
 
         switch (seekcard) {
                 case PCI_DEVICE_ID_PLX_R685:
diff --git a/drivers/isdn/hisax/hfc4s8s_l1.c b/drivers/isdn/hisax/hfc4s8s_l1.c
index 913fd27a1f55..0f967b3df79d 100644
--- a/drivers/isdn/hisax/hfc4s8s_l1.c
+++ b/drivers/isdn/hisax/hfc4s8s_l1.c
@@ -1552,7 +1552,7 @@ setup_instance(hfc4s8s_hw * hw)
         INIT_WORK(&hw->tqueue, (void *) (void *) hfc4s8s_bh, hw);
 
         if (request_irq
-            (hw->irq, hfc4s8s_interrupt, SA_SHIRQ, hw->card_name, hw)) {
+            (hw->irq, hfc4s8s_interrupt, IRQF_SHARED, hw->card_name, hw)) {
                 printk(KERN_INFO
                        "HFC-4S/8S: unable to alloc irq %d, card ignored\n",
                        hw->irq);
diff --git a/drivers/isdn/hisax/hfc_pci.c b/drivers/isdn/hisax/hfc_pci.c
index fa9615747e26..7241e73879ba 100644
--- a/drivers/isdn/hisax/hfc_pci.c
+++ b/drivers/isdn/hisax/hfc_pci.c
@@ -1732,7 +1732,7 @@ setup_hfcpci(struct IsdnCard *card)
                 cs->BC_Read_Reg = NULL;
                 cs->BC_Write_Reg = NULL;
                 cs->irq_func = &hfcpci_interrupt;
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
                 cs->hw.hfcpci.timer.function = (void *) hfcpci_Timer;
                 cs->hw.hfcpci.timer.data = (long) cs;
                 init_timer(&cs->hw.hfcpci.timer);
diff --git a/drivers/isdn/hisax/hisax_fcpcipnp.c b/drivers/isdn/hisax/hisax_fcpcipnp.c
index dbcca287ee2c..1d7cf3bd6aa3 100644
--- a/drivers/isdn/hisax/hisax_fcpcipnp.c
+++ b/drivers/isdn/hisax/hisax_fcpcipnp.c
@@ -725,11 +725,11 @@ static int __devinit fcpcipnp_setup(struct fritz_adapter *adapter)
 
         switch (adapter->type) {
         case AVM_FRITZ_PCIV2:
-                retval = request_irq(adapter->irq, fcpci2_irq, SA_SHIRQ, 
+                retval = request_irq(adapter->irq, fcpci2_irq, IRQF_SHARED,
                                      "fcpcipnp", adapter);
                 break;
         case AVM_FRITZ_PCI:
-                retval = request_irq(adapter->irq, fcpci_irq, SA_SHIRQ,
+                retval = request_irq(adapter->irq, fcpci_irq, IRQF_SHARED,
                                      "fcpcipnp", adapter);
                 break;
         case AVM_FRITZ_PNP:
diff --git a/drivers/isdn/hisax/niccy.c b/drivers/isdn/hisax/niccy.c
index 868762cf76c6..79a97b1c3812 100644
--- a/drivers/isdn/hisax/niccy.c
+++ b/drivers/isdn/hisax/niccy.c
@@ -336,7 +336,7 @@ setup_niccy(struct IsdnCard *card)
                         printk(KERN_WARNING "Niccy: No PCI card found\n");
                         return(0);
                 }
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
                 cs->hw.niccy.isac = pci_ioaddr + ISAC_PCI_DATA;
                 cs->hw.niccy.isac_ale = pci_ioaddr + ISAC_PCI_ADDR;
                 cs->hw.niccy.hscx = pci_ioaddr + HSCX_PCI_DATA;
diff --git a/drivers/isdn/hisax/nj_s.c b/drivers/isdn/hisax/nj_s.c
index 1b3ac46df52c..e5b900a6fa0b 100644
--- a/drivers/isdn/hisax/nj_s.c
+++ b/drivers/isdn/hisax/nj_s.c
@@ -271,7 +271,7 @@ setup_netjet_s(struct IsdnCard *card)
         setup_isac(cs);
         cs->cardmsg = &NETjet_S_card_msg;
         cs->irq_func = &netjet_s_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         ISACVersion(cs, "NETjet-S:");
         return (1);
 }
diff --git a/drivers/isdn/hisax/nj_u.c b/drivers/isdn/hisax/nj_u.c
index 7a6010eac60d..7002b09936d4 100644
--- a/drivers/isdn/hisax/nj_u.c
+++ b/drivers/isdn/hisax/nj_u.c
@@ -237,7 +237,7 @@ setup_netjet_u(struct IsdnCard *card)
         cs->BC_Send_Data = &netjet_fill_dma;
         cs->cardmsg = &NETjet_U_card_msg;
         cs->irq_func = &netjet_u_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         ICCVersion(cs, "NETspider-U:");
         return (1);
 }
diff --git a/drivers/isdn/hisax/sedlbauer.c b/drivers/isdn/hisax/sedlbauer.c
index 11ea456626b6..8d8e8a299892 100644
--- a/drivers/isdn/hisax/sedlbauer.c
+++ b/drivers/isdn/hisax/sedlbauer.c
@@ -632,7 +632,7 @@ setup_sedlbauer(struct IsdnCard *card)
                         printk(KERN_WARNING "Sedlbauer: No PCI card found\n");
                         return(0);
                 }
-                cs->irq_flags |= SA_SHIRQ;
+                cs->irq_flags |= IRQF_SHARED;
                 cs->hw.sedl.bus = SEDL_BUS_PCI;
                 sub_vendor_id = dev_sedl->subsystem_vendor;
                 sub_id = dev_sedl->subsystem_device;
@@ -809,7 +809,7 @@ ready:
                                 cs->hw.sedl.hscx = cs->hw.sedl.cfg_reg + SEDL_HSCX_PCMCIA_HSCX;
                                 cs->hw.sedl.reset_on = cs->hw.sedl.cfg_reg + SEDL_HSCX_PCMCIA_RESET;
                                 cs->hw.sedl.reset_off = cs->hw.sedl.cfg_reg + SEDL_HSCX_PCMCIA_RESET;
-                                cs->irq_flags |= SA_SHIRQ;
+                                cs->irq_flags |= IRQF_SHARED;
                         } else {
                                 cs->hw.sedl.adr = cs->hw.sedl.cfg_reg + SEDL_HSCX_ISA_ADR;
                                 cs->hw.sedl.isac = cs->hw.sedl.cfg_reg + SEDL_HSCX_ISA_ISAC;
diff --git a/drivers/isdn/hisax/teles3.c b/drivers/isdn/hisax/teles3.c
index 090abd16b4bc..5cb712437da4 100644
--- a/drivers/isdn/hisax/teles3.c
+++ b/drivers/isdn/hisax/teles3.c
@@ -369,7 +369,7 @@ setup_teles3(struct IsdnCard *card)
                                cs->hw.teles3.hscx[1] + 96);
                         return (0);
                 }
-                cs->irq_flags |= SA_SHIRQ; /* cardbus can share */
+                cs->irq_flags |= IRQF_SHARED; /* cardbus can share */
         } else {
                 if (cs->hw.teles3.cfg_reg) {
                         if (cs->typ == ISDN_CTYPE_COMPAQ_ISA) {
diff --git a/drivers/isdn/hisax/telespci.c b/drivers/isdn/hisax/telespci.c
index a1bb73e28841..9382cdf04d8d 100644
--- a/drivers/isdn/hisax/telespci.c
+++ b/drivers/isdn/hisax/telespci.c
@@ -347,7 +347,7 @@ setup_telespci(struct IsdnCard *card)
         cs->BC_Send_Data = &hscx_fill_fifo;
         cs->cardmsg = &TelesPCI_card_msg;
         cs->irq_func = &telespci_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         ISACVersion(cs, "TelesPCI:");
         if (HscxVersion(cs, "TelesPCI:")) {
                 printk(KERN_WARNING
diff --git a/drivers/isdn/hisax/w6692.c b/drivers/isdn/hisax/w6692.c
index 00e4fa2aef51..6c68419c05ff 100644
--- a/drivers/isdn/hisax/w6692.c
+++ b/drivers/isdn/hisax/w6692.c
@@ -1080,7 +1080,7 @@ setup_w6692(struct IsdnCard *card)
         cs->BC_Send_Data = &W6692B_fill_fifo;
         cs->cardmsg = &w6692_card_msg;
         cs->irq_func = &W6692_interrupt;
-        cs->irq_flags |= SA_SHIRQ;
+        cs->irq_flags |= IRQF_SHARED;
         W6692Version(cs, "W6692:");
         printk(KERN_INFO "W6692 ISTA=0x%X\n", ReadW6692(cs, W_ISTA));
         printk(KERN_INFO "W6692 IMASK=0x%X\n", ReadW6692(cs, W_IMASK));
diff --git a/drivers/isdn/hysdn/boardergo.c b/drivers/isdn/hysdn/boardergo.c
index 89fd531fbce6..73afebdf80bd 100644
--- a/drivers/isdn/hysdn/boardergo.c
+++ b/drivers/isdn/hysdn/boardergo.c
@@ -435,7 +435,7 @@ ergo_inithardware(hysdn_card * card)
         }
 
         ergo_stopcard(card);    /* disable interrupts */
-        if (request_irq(card->irq, ergo_interrupt, SA_SHIRQ, "HYSDN", card)) {
+        if (request_irq(card->irq, ergo_interrupt, IRQF_SHARED, "HYSDN", card)) {
                 ergo_releasehardware(card); /* return the acquired hardware */
                 return (-1);
         }
diff --git a/drivers/isdn/sc/init.c b/drivers/isdn/sc/init.c
index 62b7acfad8a4..a627e68023f6 100644
--- a/drivers/isdn/sc/init.c
+++ b/drivers/isdn/sc/init.c
@@ -342,7 +342,7 @@ static int __init sc_init(void)
                  */
                 sc_adapter[cinst]->interrupt = irq[b];
                 if (request_irq(sc_adapter[cinst]->interrupt, interrupt_handler,
-                                SA_INTERRUPT, interface->id, NULL))
+                                IRQF_DISABLED, interface->id, NULL))
                 {
                         kfree(sc_adapter[cinst]->channel);
                         indicate_status(cinst, ISDN_STAT_UNLOAD, 0, NULL);      /* Fix me */
diff --git a/drivers/macintosh/macio_asic.c b/drivers/macintosh/macio_asic.c
index d832e109b1b1..40ae7b6a939d 100644
--- a/drivers/macintosh/macio_asic.c
+++ b/drivers/macintosh/macio_asic.c
@@ -427,10 +427,10 @@ static struct macio_dev * macio_add_one_device(struct macio_chip *chip,
 
         /* MacIO itself has a different reg, we use it's PCI base */
         if (np == chip->of_node) {
-                sprintf(dev->ofdev.dev.bus_id, "%1d.%016llx:%.*s",
+                sprintf(dev->ofdev.dev.bus_id, "%1d.%08x:%.*s",
                         chip->lbus.index,
 #ifdef CONFIG_PCI
-                        (unsigned long long)pci_resource_start(chip->lbus.pdev, 0),
+                        (unsigned int)pci_resource_start(chip->lbus.pdev, 0),
 #else
                         0, /* NuBus may want to do something better here */
 #endif
diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index 030130570e0a..ff6d9bfdc3d2 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -555,7 +555,7 @@ static int smu_late_init(void)
 
         if (smu->db_irq != NO_IRQ) {
                 if (request_irq(smu->db_irq, smu_db_intr,
-                                SA_SHIRQ, "SMU doorbell", smu) < 0) {
+                                IRQF_SHARED, "SMU doorbell", smu) < 0) {
                         printk(KERN_WARNING "SMU: can't "
                                "request interrupt %d\n",
                                smu->db_irq);
@@ -565,7 +565,7 @@ static int smu_late_init(void)
 
         if (smu->msg_irq != NO_IRQ) {
                 if (request_irq(smu->msg_irq, smu_msg_intr,
-                                SA_SHIRQ, "SMU message", smu) < 0) {
+                                IRQF_SHARED, "SMU message", smu) < 0) {
                         printk(KERN_WARNING "SMU: can't "
                                "request interrupt %d\n",
                                smu->msg_irq);
diff --git a/drivers/media/common/saa7146_core.c b/drivers/media/common/saa7146_core.c
index 8cdd4d265ffa..b88451e33c09 100644
--- a/drivers/media/common/saa7146_core.c
+++ b/drivers/media/common/saa7146_core.c
@@ -363,7 +363,7 @@ static int saa7146_init_one(struct pci_dev *pci, const struct pci_device_id *ent
         saa7146_write(dev, MC2, 0xf8000000);
 
         /* request an interrupt for the saa7146 */
-        err = request_irq(pci->irq, interrupt_hw, SA_SHIRQ | SA_INTERRUPT,
+        err = request_irq(pci->irq, interrupt_hw, IRQF_SHARED | IRQF_DISABLED,
                           dev->name, dev);
         if (err < 0) {
                 ERR(("request_irq() failed.\n"));
diff --git a/drivers/media/dvb/b2c2/flexcop-pci.c b/drivers/media/dvb/b2c2/flexcop-pci.c
index f04041702191..eb2e6432c8c2 100644
--- a/drivers/media/dvb/b2c2/flexcop-pci.c
+++ b/drivers/media/dvb/b2c2/flexcop-pci.c
@@ -294,7 +294,7 @@ static int flexcop_pci_init(struct flexcop_pci *fc_pci)
         pci_set_drvdata(fc_pci->pdev, fc_pci);
 
         if ((ret = request_irq(fc_pci->pdev->irq, flexcop_pci_isr,
-                                        SA_SHIRQ, DRIVER_NAME, fc_pci)) != 0)
+                                        IRQF_SHARED, DRIVER_NAME, fc_pci)) != 0)
                 goto err_pci_iounmap;
 
         spin_lock_init(&fc_pci->irq_lock);
diff --git a/drivers/media/dvb/bt8xx/bt878.c b/drivers/media/dvb/bt8xx/bt878.c
index 761fa6e7d762..755822ee6e9b 100644
--- a/drivers/media/dvb/bt8xx/bt878.c
+++ b/drivers/media/dvb/bt8xx/bt878.c
@@ -488,7 +488,7 @@ static int __devinit bt878_probe(struct pci_dev *dev,
         btwrite(0, BT848_INT_MASK);
 
         result = request_irq(bt->irq, bt878_irq,
-                             SA_SHIRQ | SA_INTERRUPT, "bt878",
+                             IRQF_SHARED | IRQF_DISABLED, "bt878",
                              (void *) bt);
         if (result == -EINVAL) {
                 printk(KERN_ERR "bt878(%d): Bad irq number or handler\n",
diff --git a/drivers/media/dvb/pluto2/pluto2.c b/drivers/media/dvb/pluto2/pluto2.c
index acabea0793b6..2310b2bfed4e 100644
--- a/drivers/media/dvb/pluto2/pluto2.c
+++ b/drivers/media/dvb/pluto2/pluto2.c
@@ -616,7 +616,7 @@ static int __devinit pluto2_probe(struct pci_dev *pdev,
 
         pci_set_drvdata(pdev, pluto);
 
-        ret = request_irq(pdev->irq, pluto_irq, SA_SHIRQ, DRIVER_NAME, pluto);
+        ret = request_irq(pdev->irq, pluto_irq, IRQF_SHARED, DRIVER_NAME, pluto);
         if (ret < 0)
                 goto err_pci_iounmap;
 
diff --git a/drivers/media/video/bt8xx/bttv-driver.c b/drivers/media/video/bt8xx/bttv-driver.c
index aa3203ae670c..5764a89d3562 100644
--- a/drivers/media/video/bt8xx/bttv-driver.c
+++ b/drivers/media/video/bt8xx/bttv-driver.c
@@ -4050,7 +4050,7 @@ static int __devinit bttv_probe(struct pci_dev *dev,
         /* disable irqs, register irq handler */
         btwrite(0, BT848_INT_MASK);
         result = request_irq(btv->c.pci->irq, bttv_irq,
-                             SA_SHIRQ | SA_INTERRUPT,btv->c.name,(void *)btv);
+                             IRQF_SHARED | IRQF_DISABLED,btv->c.name,(void *)btv);
         if (result < 0) {
                 printk(KERN_ERR "bttv%d: can't get IRQ %d\n",
                        bttv_num,btv->c.pci->irq);
diff --git a/drivers/media/video/cx88/cx88-alsa.c b/drivers/media/video/cx88/cx88-alsa.c
index 292a5e81eb75..f0340662e078 100644
--- a/drivers/media/video/cx88/cx88-alsa.c
+++ b/drivers/media/video/cx88/cx88-alsa.c
@@ -700,7 +700,7 @@ static int __devinit snd_cx88_create(struct snd_card *card,
 
         /* get irq */
         err = request_irq(chip->pci->irq, cx8801_irq,
-                          SA_SHIRQ | SA_INTERRUPT, chip->core->name, chip);
+                          IRQF_SHARED | IRQF_DISABLED, chip->core->name, chip);
         if (err < 0) {
                 dprintk(0, "%s: can't get IRQ %d\n",
                        chip->core->name, chip->pci->irq);
diff --git a/drivers/media/video/cx88/cx88-mpeg.c b/drivers/media/video/cx88/cx88-mpeg.c
index 2c12aca1b6a3..138a4f692501 100644
--- a/drivers/media/video/cx88/cx88-mpeg.c
+++ b/drivers/media/video/cx88/cx88-mpeg.c
@@ -438,7 +438,7 @@ int cx8802_init_common(struct cx8802_dev *dev)
 
         /* get irq */
         err = request_irq(dev->pci->irq, cx8802_irq,
-                          SA_SHIRQ | SA_INTERRUPT, dev->core->name, dev);
+                          IRQF_SHARED | IRQF_DISABLED, dev->core->name, dev);
         if (err < 0) {
                 printk(KERN_ERR "%s: can't get IRQ %d\n",
                        dev->core->name, dev->pci->irq);
diff --git a/drivers/media/video/cx88/cx88-video.c b/drivers/media/video/cx88/cx88-video.c
index c538d99ec9f6..2225d4b94140 100644
--- a/drivers/media/video/cx88/cx88-video.c
+++ b/drivers/media/video/cx88/cx88-video.c
@@ -1915,7 +1915,7 @@ static int __devinit cx8800_initdev(struct pci_dev *pci_dev,
 
         /* get irq */
         err = request_irq(pci_dev->irq, cx8800_irq,
-                          SA_SHIRQ | SA_INTERRUPT, core->name, dev);
+                          IRQF_SHARED | IRQF_DISABLED, core->name, dev);
         if (err < 0) {
                 printk(KERN_ERR "%s: can't get IRQ %d\n",
                        core->name,pci_dev->irq);
diff --git a/drivers/media/video/meye.c b/drivers/media/video/meye.c
index ddd62214bee5..e278753f8f25 100644
--- a/drivers/media/video/meye.c
+++ b/drivers/media/video/meye.c
@@ -1881,7 +1881,7 @@ static int __devinit meye_probe(struct pci_dev *pcidev,
 
         meye.mchip_irq = pcidev->irq;
         if (request_irq(meye.mchip_irq, meye_irq,
-                        SA_INTERRUPT | SA_SHIRQ, "meye", meye_irq)) {
+                        IRQF_DISABLED | IRQF_SHARED, "meye", meye_irq)) {
                 printk(KERN_ERR "meye: request_irq failed\n");
                 goto outreqirq;
         }
diff --git a/drivers/media/video/saa7134/saa7134-alsa.c b/drivers/media/video/saa7134/saa7134-alsa.c
index d77e6a8d9432..f1fd69e7f119 100644
--- a/drivers/media/video/saa7134/saa7134-alsa.c
+++ b/drivers/media/video/saa7134/saa7134-alsa.c
@@ -929,7 +929,7 @@ static int alsa_card_saa7134_create(struct saa7134_dev *dev, int devnum)
 
 
         err = request_irq(dev->pci->irq, saa7134_alsa_irq,
-                                SA_SHIRQ | SA_INTERRUPT, dev->name,
+                                IRQF_SHARED | IRQF_DISABLED, dev->name,
                                 (void*) &dev->dmasound);
 
         if (err < 0) {
diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c
index 535172f643b9..6e97cc84ba89 100644
--- a/drivers/media/video/saa7134/saa7134-core.c
+++ b/drivers/media/video/saa7134/saa7134-core.c
@@ -923,7 +923,7 @@ static int __devinit saa7134_initdev(struct pci_dev *pci_dev,
 
         /* get irq */
         err = request_irq(pci_dev->irq, saa7134_irq,
-                          SA_SHIRQ | SA_INTERRUPT, dev->name, dev);
+                          IRQF_SHARED | IRQF_DISABLED, dev->name, dev);
         if (err < 0) {
                 printk(KERN_ERR "%s: can't get IRQ %d\n",
                        dev->name,pci_dev->irq);
diff --git a/drivers/media/video/saa7134/saa7134-oss.c b/drivers/media/video/saa7134/saa7134-oss.c
index 7aa02b34e012..3895d05804ae 100644
--- a/drivers/media/video/saa7134/saa7134-oss.c
+++ b/drivers/media/video/saa7134/saa7134-oss.c
@@ -845,7 +845,7 @@ int saa7134_oss_init1(struct saa7134_dev *dev)
 {
 
         if ((request_irq(dev->pci->irq, saa7134_oss_irq,
-                         SA_SHIRQ | SA_INTERRUPT, dev->name,
+                         IRQF_SHARED | IRQF_DISABLED, dev->name,
                         (void*) &dev->dmasound)) < 0)
                 return -1;
 
diff --git a/drivers/media/video/stradis.c b/drivers/media/video/stradis.c
index c18b31d9928c..b36ba9fa3a28 100644
--- a/drivers/media/video/stradis.c
+++ b/drivers/media/video/stradis.c
@@ -1983,7 +1983,7 @@ static int __devinit configure_saa7146(struct pci_dev *pdev, int num)
         memcpy(&saa->video_dev, &saa_template, sizeof(saa_template));
         saawrite(0, SAA7146_IER);       /* turn off all interrupts */
 
-        retval = request_irq(saa->irq, saa7146_irq, SA_SHIRQ | SA_INTERRUPT,
+        retval = request_irq(saa->irq, saa7146_irq, IRQF_SHARED | IRQF_DISABLED,
                 "stradis", saa);
         if (retval == -EINVAL)
                 dev_err(&pdev->dev, "%d: Bad irq number or handler\n", num);
diff --git a/drivers/media/video/zoran_card.c b/drivers/media/video/zoran_card.c
index 33b32f3cf84e..f2249ed25273 100644
--- a/drivers/media/video/zoran_card.c
+++ b/drivers/media/video/zoran_card.c
@@ -1380,7 +1380,7 @@ find_zr36057 (void)
 
                 result = request_irq(zr->pci_dev->irq,
                                      zoran_irq,
-                                     SA_SHIRQ | SA_INTERRUPT,
+                                     IRQF_SHARED | IRQF_DISABLED,
                                      ZR_DEVNAME(zr),
                                      (void *) zr);
                 if (result < 0) {
diff --git a/drivers/media/video/zr36120.c b/drivers/media/video/zr36120.c
index 6ac3b6740089..50437383ed62 100644
--- a/drivers/media/video/zr36120.c
+++ b/drivers/media/video/zr36120.c
@@ -1858,7 +1858,7 @@ int __init find_zoran(void)
                 DEBUG(printk(KERN_DEBUG "zoran: mapped-memory at 0x%p\n",ztv->zoran_mem));
 
                 result = request_irq(dev->irq, zoran_irq,
-                        SA_SHIRQ|SA_INTERRUPT,"zoran", ztv);
+                        IRQF_SHARED|IRQF_DISABLED,"zoran", ztv);
                 if (result==-EINVAL)
                 {
                         iounmap(ztv->zoran_mem);
diff --git a/drivers/message/fusion/mptbase.c b/drivers/message/fusion/mptbase.c
index 2544fc7af0f6..57543603d6c8 100644
--- a/drivers/message/fusion/mptbase.c
+++ b/drivers/message/fusion/mptbase.c
@@ -1705,7 +1705,7 @@ mpt_do_ioc_recovery(MPT_ADAPTER *ioc, u32 reason, int sleepFlag)
                                 printk(MYIOC_s_INFO_FMT "PCI-MSI enabled\n",
                                         ioc->name);
                         rc = request_irq(ioc->pcidev->irq, mpt_interrupt,
-                                        SA_SHIRQ, ioc->name, ioc);
+                                        IRQF_SHARED, ioc->name, ioc);
                         if (rc < 0) {
                                 printk(MYIOC_s_ERR_FMT "Unable to allocate "
                                         "interrupt %d!\n", ioc->name,
diff --git a/drivers/message/i2o/pci.c b/drivers/message/i2o/pci.c
index 4f1515cae5dc..1b58444d5aaf 100644
--- a/drivers/message/i2o/pci.c
+++ b/drivers/message/i2o/pci.c
@@ -274,7 +274,7 @@ static int i2o_pci_irq_enable(struct i2o_controller *c)
         writel(0xffffffff, c->irq_mask);
 
         if (pdev->irq) {
-                rc = request_irq(pdev->irq, i2o_pci_interrupt, SA_SHIRQ,
+                rc = request_irq(pdev->irq, i2o_pci_interrupt, IRQF_SHARED,
                                  c->name, c);
                 if (rc < 0) {
                         printk(KERN_ERR "%s: unable to allocate interrupt %d."
diff --git a/drivers/mfd/ucb1x00-core.c b/drivers/mfd/ucb1x00-core.c
index 6fe2ff5a63db..632bc218c86a 100644
--- a/drivers/mfd/ucb1x00-core.c
+++ b/drivers/mfd/ucb1x00-core.c
@@ -508,7 +508,7 @@ static int ucb1x00_probe(struct mcp *mcp)
                 goto err_free;
         }
 
-        ret = request_irq(ucb->irq, ucb1x00_irq, SA_TRIGGER_RISING,
+        ret = request_irq(ucb->irq, ucb1x00_irq, IRQF_TRIGGER_RISING,
                           "UCB1x00", ucb);
         if (ret) {
                 printk(KERN_ERR "ucb1x00: unable to grab irq%d: %d\n",
diff --git a/drivers/misc/ibmasm/module.c b/drivers/misc/ibmasm/module.c
index 9706cc19134a..2f3bddfab937 100644
--- a/drivers/misc/ibmasm/module.c
+++ b/drivers/misc/ibmasm/module.c
@@ -113,7 +113,7 @@ static int __devinit ibmasm_init_one(struct pci_dev *pdev, const struct pci_devi
                 goto error_ioremap;
         }
 
-        result = request_irq(sp->irq, ibmasm_interrupt_handler, SA_SHIRQ, sp->devname, (void*)sp);
+        result = request_irq(sp->irq, ibmasm_interrupt_handler, IRQF_SHARED, sp->devname, (void*)sp);
         if (result) {
                 dev_err(sp->dev, "Failed to register interrupt handler\n");
                 goto error_request_irq;
diff --git a/drivers/mmc/at91_mci.c b/drivers/mmc/at91_mci.c
index 075a2a07924e..6b7638b84290 100644
--- a/drivers/mmc/at91_mci.c
+++ b/drivers/mmc/at91_mci.c
@@ -850,7 +850,7 @@ static int at91_mci_probe(struct platform_device *pdev)
         /*
          * Allocate the MCI interrupt
          */
-        ret = request_irq(AT91_ID_MCI, at91_mci_irq, SA_SHIRQ, DRIVER_NAME, host);
+        ret = request_irq(AT91_ID_MCI, at91_mci_irq, IRQF_SHARED, DRIVER_NAME, host);
         if (ret) {
                 printk(KERN_ERR "Failed to request MCI interrupt\n");
                 clk_disable(mci_clk);
diff --git a/drivers/mmc/au1xmmc.c b/drivers/mmc/au1xmmc.c
index 41069908f4a7..fb606165af3b 100644
--- a/drivers/mmc/au1xmmc.c
+++ b/drivers/mmc/au1xmmc.c
@@ -886,7 +886,7 @@ static int __devinit au1xmmc_probe(struct platform_device *pdev)
         int i, ret = 0;
 
         /* THe interrupt is shared among all controllers */
-        ret = request_irq(AU1100_SD_IRQ, au1xmmc_irq, SA_INTERRUPT, "MMC", 0);
+        ret = request_irq(AU1100_SD_IRQ, au1xmmc_irq, IRQF_DISABLED, "MMC", 0);
 
         if (ret) {
                 printk(DRIVER_NAME "ERROR: Couldn't get int %d: %d\n",
diff --git a/drivers/mmc/mmci.c b/drivers/mmc/mmci.c
index 9dfb34a857e3..1886562abdd4 100644
--- a/drivers/mmc/mmci.c
+++ b/drivers/mmc/mmci.c
@@ -531,11 +531,11 @@ static int mmci_probe(struct amba_device *dev, void *id)
         writel(0, host->base + MMCIMASK1);
         writel(0xfff, host->base + MMCICLEAR);
 
-        ret = request_irq(dev->irq[0], mmci_irq, SA_SHIRQ, DRIVER_NAME " (cmd)", host);
+        ret = request_irq(dev->irq[0], mmci_irq, IRQF_SHARED, DRIVER_NAME " (cmd)", host);
         if (ret)
                 goto unmap;
 
-        ret = request_irq(dev->irq[1], mmci_pio_irq, SA_SHIRQ, DRIVER_NAME " (pio)", host);
+        ret = request_irq(dev->irq[1], mmci_pio_irq, IRQF_SHARED, DRIVER_NAME " (pio)", host);
         if (ret)
                 goto irq0_free;
 
diff --git a/drivers/mmc/omap.c b/drivers/mmc/omap.c
index 7a4840ec53b7..ddf06b32c159 100644
--- a/drivers/mmc/omap.c
+++ b/drivers/mmc/omap.c
@@ -60,6 +60,7 @@ struct mmc_omap_host {
         unsigned char           id; /* 16xx chips have 2 MMC blocks */
         struct clk *            iclk;
         struct clk *            fclk;
+        struct resource         *res;
         void __iomem            *base;
         int                     irq;
         unsigned char           bus_mode;
@@ -339,8 +340,6 @@ static void
 mmc_omap_xfer_data(struct mmc_omap_host *host, int write)
 {
         int n;
-        void __iomem *reg;
-        u16 *p;
 
         if (host->buffer_bytes_left == 0) {
                 host->sg_idx++;
@@ -657,12 +656,12 @@ static void mmc_omap_dma_cb(int lch, u16 ch_status, void *data)
         struct mmc_data *mmcdat = host->data;
 
         if (unlikely(host->dma_ch < 0)) {
-                dev_err(mmc_dev(host->mmc), "DMA callback while DMA not
-                                enabled\n");
+                dev_err(mmc_dev(host->mmc),
+                        "DMA callback while DMA not enabled\n");
                 return;
         }
         /* FIXME: We really should do something to _handle_ the errors */
-        if (ch_status & OMAP_DMA_TOUT_IRQ) {
+        if (ch_status & OMAP1_DMA_TOUT_IRQ) {
                 dev_err(mmc_dev(host->mmc),"DMA timeout\n");
                 return;
         }
@@ -972,20 +971,20 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
         struct omap_mmc_conf *minfo = pdev->dev.platform_data;
         struct mmc_host *mmc;
         struct mmc_omap_host *host = NULL;
+        struct resource *r;
         int ret = 0;
+        int irq;
         
-        if (platform_get_resource(pdev, IORESOURCE_MEM, 0) ||
-                        platform_get_irq(pdev, IORESOURCE_IRQ, 0)) {
-                dev_err(&pdev->dev, "mmc_omap_probe: invalid resource type\n");
-                return -ENODEV;
-        }
+        r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        irq = platform_get_irq(pdev, 0);
+        if (!r || irq < 0)
+                return -ENXIO;
 
-        if (!request_mem_region(pdev->resource[0].start,
+        r = request_mem_region(pdev->resource[0].start,
                                 pdev->resource[0].end - pdev->resource[0].start + 1,
-                                pdev->name)) {
-                dev_dbg(&pdev->dev, "request_mem_region failed\n");
+                               pdev->name);
+        if (!r)
                 return -EBUSY;
-        }
 
         mmc = mmc_alloc_host(sizeof(struct mmc_omap_host), &pdev->dev);
         if (!mmc) {
@@ -1002,6 +1001,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
         host->dma_timer.data = (unsigned long) host;
 
         host->id = pdev->id;
+        host->res = r;
+        host->irq = irq;
 
         if (cpu_is_omap24xx()) {
                 host->iclk = clk_get(&pdev->dev, "mmc_ick");
@@ -1031,13 +1032,9 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
         host->dma_ch = -1;
 
         host->irq = pdev->resource[1].start;
-        host->base = ioremap(pdev->res.start, SZ_4K);
-        if (!host->base) {
-                ret = -ENOMEM;
-                goto out;
-        }
+        host->base = (void __iomem*)IO_ADDRESS(r->start);
 
-         if (minfo->wire4)
+        if (minfo->wire4)
                  mmc->caps |= MMC_CAP_4_BIT_DATA;
 
         mmc->ops = &mmc_omap_ops;
@@ -1056,8 +1053,8 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 
         if (host->power_pin >= 0) {
                 if ((ret = omap_request_gpio(host->power_pin)) != 0) {
-                        dev_err(mmc_dev(host->mmc), "Unable to get GPIO
-                                        pin for MMC power\n");
+                        dev_err(mmc_dev(host->mmc),
+                                "Unable to get GPIO pin for MMC power\n");
                         goto out;
                 }
                 omap_set_gpio_direction(host->power_pin, 0);
@@ -1085,7 +1082,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
 
                 omap_set_gpio_direction(host->switch_pin, 1);
                 ret = request_irq(OMAP_GPIO_IRQ(host->switch_pin),
-                                  mmc_omap_switch_irq, SA_TRIGGER_RISING, DRIVER_NAME, host);
+                                  mmc_omap_switch_irq, IRQF_TRIGGER_RISING, DRIVER_NAME, host);
                 if (ret) {
                         dev_warn(mmc_dev(host->mmc), "Unable to get IRQ for MMC cover switch\n");
                         omap_free_gpio(host->switch_pin);
@@ -1099,7 +1096,7 @@ static int __init mmc_omap_probe(struct platform_device *pdev)
                                 device_remove_file(&pdev->dev, &dev_attr_cover_switch);
                 }
                 if (ret) {
-                        dev_wan(mmc_dev(host->mmc), "Unable to create sysfs attributes\n");
+                        dev_warn(mmc_dev(host->mmc), "Unable to create sysfs attributes\n");
                         free_irq(OMAP_GPIO_IRQ(host->switch_pin), host);
                         omap_free_gpio(host->switch_pin);
                         host->switch_pin = -1;
diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
index 8e9100bd57ef..74134699ccee 100644
--- a/drivers/mmc/sdhci.c
+++ b/drivers/mmc/sdhci.c
@@ -8,12 +8,6 @@
  * published by the Free Software Foundation.
  */
 
- /*
-  * Note that PIO transfer is rather crappy atm. The buffer full/empty
-  * interrupts aren't reliable so we currently transfer the entire buffer
-  * directly. Patches to solve the problem are welcome.
-  */
-
 #include <linux/delay.h>
 #include <linux/highmem.h>
 #include <linux/pci.h>
@@ -27,13 +21,17 @@
 #include "sdhci.h"
 
 #define DRIVER_NAME "sdhci"
-#define DRIVER_VERSION "0.11"
+#define DRIVER_VERSION "0.12"
 
 #define BUGMAIL "<sdhci-devel@list.drzeus.cx>"
 
 #define DBG(f, x...) \
         pr_debug(DRIVER_NAME " [%s()]: " f, __func__,## x)
 
+static unsigned int debug_nodma = 0;
+static unsigned int debug_forcedma = 0;
+static unsigned int debug_quirks = 0;
+
 static const struct pci_device_id pci_ids[] __devinitdata = {
         /* handle any SD host controller */
         {PCI_DEVICE_CLASS((PCI_CLASS_SYSTEM_SDHCI << 8), 0xFFFF00)},
@@ -94,12 +92,27 @@ static void sdhci_dumpregs(struct sdhci_host *host)
 
 static void sdhci_reset(struct sdhci_host *host, u8 mask)
 {
+        unsigned long timeout;
+
         writeb(mask, host->ioaddr + SDHCI_SOFTWARE_RESET);
 
-        if (mask & SDHCI_RESET_ALL) {
+        if (mask & SDHCI_RESET_ALL)
                 host->clock = 0;
 
-                mdelay(50);
+        /* Wait max 100 ms */
+        timeout = 100;
+
+        /* hw clears the bit when it's done */
+        while (readb(host->ioaddr + SDHCI_SOFTWARE_RESET) & mask) {
+                if (timeout == 0) {
+                        printk(KERN_ERR "%s: Reset 0x%x never completed. "
+                                "Please report this to " BUGMAIL ".\n",
+                                mmc_hostname(host->mmc), (int)mask);
+                        sdhci_dumpregs(host);
+                        return;
+                }
+                timeout--;
+                mdelay(1);
         }
 }
 
@@ -109,13 +122,15 @@ static void sdhci_init(struct sdhci_host *host)
 
         sdhci_reset(host, SDHCI_RESET_ALL);
 
-        intmask = ~(SDHCI_INT_CARD_INT | SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL);
+        intmask = SDHCI_INT_BUS_POWER | SDHCI_INT_DATA_END_BIT |
+                SDHCI_INT_DATA_CRC | SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_INDEX |
+                SDHCI_INT_END_BIT | SDHCI_INT_CRC | SDHCI_INT_TIMEOUT |
+                SDHCI_INT_CARD_REMOVE | SDHCI_INT_CARD_INSERT |
+                SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL |
+                SDHCI_INT_DMA_END | SDHCI_INT_DATA_END | SDHCI_INT_RESPONSE;
 
         writel(intmask, host->ioaddr + SDHCI_INT_ENABLE);
         writel(intmask, host->ioaddr + SDHCI_SIGNAL_ENABLE);
-
-        /* This is unknown magic. */
-        writeb(0xE, host->ioaddr + SDHCI_TIMEOUT_CONTROL);
 }
 
 static void sdhci_activate_led(struct sdhci_host *host)
@@ -172,79 +187,96 @@ static inline int sdhci_next_sg(struct sdhci_host* host)
         return host->num_sg;
 }
 
-static void sdhci_transfer_pio(struct sdhci_host *host)
+static void sdhci_read_block_pio(struct sdhci_host *host)
 {
+        int blksize, chunk_remain;
+        u32 data;
         char *buffer;
-        u32 mask;
-        int bytes, size;
-        unsigned long max_jiffies;
-
-        BUG_ON(!host->data);
+        int size;
 
-        if (host->num_sg == 0)
-                return;
+        DBG("PIO reading\n");
 
-        bytes = 0;
-        if (host->data->flags & MMC_DATA_READ)
-                mask = SDHCI_DATA_AVAILABLE;
-        else
-                mask = SDHCI_SPACE_AVAILABLE;
+        blksize = host->data->blksz;
+        chunk_remain = 0;
+        data = 0;
 
         buffer = sdhci_kmap_sg(host) + host->offset;
 
-        /* Transfer shouldn't take more than 5 s */
-        max_jiffies = jiffies + HZ * 5;
+        while (blksize) {
+                if (chunk_remain == 0) {
+                        data = readl(host->ioaddr + SDHCI_BUFFER);
+                        chunk_remain = min(blksize, 4);
+                }
 
-        while (host->size > 0) {
-                if (time_after(jiffies, max_jiffies)) {
-                        printk(KERN_ERR "%s: PIO transfer stalled. "
-                                "Please report this to "
-                                BUGMAIL ".\n", mmc_hostname(host->mmc));
-                        sdhci_dumpregs(host);
+                size = min(host->size, host->remain);
+                size = min(size, chunk_remain);
 
-                        sdhci_kunmap_sg(host);
+                chunk_remain -= size;
+                blksize -= size;
+                host->offset += size;
+                host->remain -= size;
+                host->size -= size;
+                while (size) {
+                        *buffer = data & 0xFF;
+                        buffer++;
+                        data >>= 8;
+                        size--;
+                }
 
-                        host->data->error = MMC_ERR_FAILED;
-                        sdhci_finish_data(host);
-                        return;
+                if (host->remain == 0) {
+                        sdhci_kunmap_sg(host);
+                        if (sdhci_next_sg(host) == 0) {
+                                BUG_ON(blksize != 0);
+                                return;
+                        }
+                        buffer = sdhci_kmap_sg(host);
                 }
+        }
 
-                if (!(readl(host->ioaddr + SDHCI_PRESENT_STATE) & mask))
-                        continue;
+        sdhci_kunmap_sg(host);
+}
 
-                size = min(host->size, host->remain);
+static void sdhci_write_block_pio(struct sdhci_host *host)
+{
+        int blksize, chunk_remain;
+        u32 data;
+        char *buffer;
+        int bytes, size;
 
-                if (size >= 4) {
-                        if (host->data->flags & MMC_DATA_READ)
-                                *(u32*)buffer = readl(host->ioaddr + SDHCI_BUFFER);
-                        else
-                                writel(*(u32*)buffer, host->ioaddr + SDHCI_BUFFER);
-                        size = 4;
-                } else if (size >= 2) {
-                        if (host->data->flags & MMC_DATA_READ)
-                                *(u16*)buffer = readw(host->ioaddr + SDHCI_BUFFER);
-                        else
-                                writew(*(u16*)buffer, host->ioaddr + SDHCI_BUFFER);
-                        size = 2;
-                } else {
-                        if (host->data->flags & MMC_DATA_READ)
-                                *(u8*)buffer = readb(host->ioaddr + SDHCI_BUFFER);
-                        else
-                                writeb(*(u8*)buffer, host->ioaddr + SDHCI_BUFFER);
-                        size = 1;
-                }
+        DBG("PIO writing\n");
+
+        blksize = host->data->blksz;
+        chunk_remain = 4;
+        data = 0;
 
-                buffer += size;
+        bytes = 0;
+        buffer = sdhci_kmap_sg(host) + host->offset;
+
+        while (blksize) {
+                size = min(host->size, host->remain);
+                size = min(size, chunk_remain);
+
+                chunk_remain -= size;
+                blksize -= size;
                 host->offset += size;
                 host->remain -= size;
-
-                bytes += size;
                 host->size -= size;
+                while (size) {
+                        data >>= 8;
+                        data |= (u32)*buffer << 24;
+                        buffer++;
+                        size--;
+                }
+
+                if (chunk_remain == 0) {
+                        writel(data, host->ioaddr + SDHCI_BUFFER);
+                        chunk_remain = min(blksize, 4);
+                }
 
                 if (host->remain == 0) {
                         sdhci_kunmap_sg(host);
                         if (sdhci_next_sg(host) == 0) {
-                                DBG("PIO transfer: %d bytes\n", bytes);
+                                BUG_ON(blksize != 0);
                                 return;
                         }
                         buffer = sdhci_kmap_sg(host);
@@ -252,38 +284,87 @@ static void sdhci_transfer_pio(struct sdhci_host *host)
         }
 
         sdhci_kunmap_sg(host);
+}
+
+static void sdhci_transfer_pio(struct sdhci_host *host)
+{
+        u32 mask;
+
+        BUG_ON(!host->data);
+
+        if (host->size == 0)
+                return;
+
+        if (host->data->flags & MMC_DATA_READ)
+                mask = SDHCI_DATA_AVAILABLE;
+        else
+                mask = SDHCI_SPACE_AVAILABLE;
+
+        while (readl(host->ioaddr + SDHCI_PRESENT_STATE) & mask) {
+                if (host->data->flags & MMC_DATA_READ)
+                        sdhci_read_block_pio(host);
+                else
+                        sdhci_write_block_pio(host);
 
-        DBG("PIO transfer: %d bytes\n", bytes);
+                if (host->size == 0)
+                        break;
+
+                BUG_ON(host->num_sg == 0);
+        }
+
+        DBG("PIO transfer complete.\n");
 }
 
 static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
 {
-        u16 mode;
+        u8 count;
+        unsigned target_timeout, current_timeout;
 
         WARN_ON(host->data);
 
-        if (data == NULL) {
-                writew(0, host->ioaddr + SDHCI_TRANSFER_MODE);
+        if (data == NULL)
                 return;
-        }
 
         DBG("blksz %04x blks %04x flags %08x\n",
                 data->blksz, data->blocks, data->flags);
         DBG("tsac %d ms nsac %d clk\n",
                 data->timeout_ns / 1000000, data->timeout_clks);
 
-        mode = SDHCI_TRNS_BLK_CNT_EN;
-        if (data->blocks > 1)
-                mode |= SDHCI_TRNS_MULTI;
-        if (data->flags & MMC_DATA_READ)
-                mode |= SDHCI_TRNS_READ;
-        if (host->flags & SDHCI_USE_DMA)
-                mode |= SDHCI_TRNS_DMA;
+        /* Sanity checks */
+        BUG_ON(data->blksz * data->blocks > 524288);
+        BUG_ON(data->blksz > host->max_block);
+        BUG_ON(data->blocks > 65535);
 
-        writew(mode, host->ioaddr + SDHCI_TRANSFER_MODE);
+        /* timeout in us */
+        target_timeout = data->timeout_ns / 1000 +
+                data->timeout_clks / host->clock;
 
-        writew(data->blksz, host->ioaddr + SDHCI_BLOCK_SIZE);
-        writew(data->blocks, host->ioaddr + SDHCI_BLOCK_COUNT);
+        /*
+         * Figure out needed cycles.
+         * We do this in steps in order to fit inside a 32 bit int.
+         * The first step is the minimum timeout, which will have a
+         * minimum resolution of 6 bits:
+         * (1) 2^13*1000 > 2^22,
+         * (2) host->timeout_clk < 2^16
+         *     =>
+         *     (1) / (2) > 2^6
+         */
+        count = 0;
+        current_timeout = (1 << 13) * 1000 / host->timeout_clk;
+        while (current_timeout < target_timeout) {
+                count++;
+                current_timeout <<= 1;
+                if (count >= 0xF)
+                        break;
+        }
+
+        if (count >= 0xF) {
+                printk(KERN_WARNING "%s: Too large timeout requested!\n",
+                        mmc_hostname(host->mmc));
+                count = 0xE;
+        }
+
+        writeb(count, host->ioaddr + SDHCI_TIMEOUT_CONTROL);
 
         if (host->flags & SDHCI_USE_DMA) {
                 int count;
@@ -302,12 +383,37 @@ static void sdhci_prepare_data(struct sdhci_host *host, struct mmc_data *data)
                 host->offset = 0;
                 host->remain = host->cur_sg->length;
         }
+
+        /* We do not handle DMA boundaries, so set it to max (512 KiB) */
+        writew(SDHCI_MAKE_BLKSZ(7, data->blksz),
+                host->ioaddr + SDHCI_BLOCK_SIZE);
+        writew(data->blocks, host->ioaddr + SDHCI_BLOCK_COUNT);
+}
+
+static void sdhci_set_transfer_mode(struct sdhci_host *host,
+        struct mmc_data *data)
+{
+        u16 mode;
+
+        WARN_ON(host->data);
+
+        if (data == NULL)
+                return;
+
+        mode = SDHCI_TRNS_BLK_CNT_EN;
+        if (data->blocks > 1)
+                mode |= SDHCI_TRNS_MULTI;
+        if (data->flags & MMC_DATA_READ)
+                mode |= SDHCI_TRNS_READ;
+        if (host->flags & SDHCI_USE_DMA)
+                mode |= SDHCI_TRNS_DMA;
+
+        writew(mode, host->ioaddr + SDHCI_TRANSFER_MODE);
 }
 
 static void sdhci_finish_data(struct sdhci_host *host)
 {
         struct mmc_data *data;
-        u32 intmask;
         u16 blocks;
 
         BUG_ON(!host->data);
@@ -318,14 +424,6 @@ static void sdhci_finish_data(struct sdhci_host *host)
         if (host->flags & SDHCI_USE_DMA) {
                 pci_unmap_sg(host->chip->pdev, data->sg, data->sg_len,
                         (data->flags & MMC_DATA_READ)?PCI_DMA_FROMDEVICE:PCI_DMA_TODEVICE);
-        } else {
-                intmask = readl(host->ioaddr + SDHCI_SIGNAL_ENABLE);
-                intmask &= ~(SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL);
-                writel(intmask, host->ioaddr + SDHCI_SIGNAL_ENABLE);
-
-                intmask = readl(host->ioaddr + SDHCI_INT_ENABLE);
-                intmask &= ~(SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL);
-                writel(intmask, host->ioaddr + SDHCI_INT_ENABLE);
         }
 
         /*
@@ -371,27 +469,38 @@ static void sdhci_finish_data(struct sdhci_host *host)
 static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 {
         int flags;
-        u32 present;
-        unsigned long max_jiffies;
+        u32 mask;
+        unsigned long timeout;
 
         WARN_ON(host->cmd);
 
         DBG("Sending cmd (%x)\n", cmd->opcode);
 
         /* Wait max 10 ms */
-        max_jiffies = jiffies + (HZ + 99)/100;
-        do {
-                if (time_after(jiffies, max_jiffies)) {
+        timeout = 10;
+
+        mask = SDHCI_CMD_INHIBIT;
+        if ((cmd->data != NULL) || (cmd->flags & MMC_RSP_BUSY))
+                mask |= SDHCI_DATA_INHIBIT;
+
+        /* We shouldn't wait for data inihibit for stop commands, even
+           though they might use busy signaling */
+        if (host->mrq->data && (cmd == host->mrq->data->stop))
+                mask &= ~SDHCI_DATA_INHIBIT;
+
+        while (readl(host->ioaddr + SDHCI_PRESENT_STATE) & mask) {
+                if (timeout == 0) {
                         printk(KERN_ERR "%s: Controller never released "
-                                "inhibit bits. Please report this to "
+                                "inhibit bit(s). Please report this to "
                                 BUGMAIL ".\n", mmc_hostname(host->mmc));
                         sdhci_dumpregs(host);
                         cmd->error = MMC_ERR_FAILED;
                         tasklet_schedule(&host->finish_tasklet);
                         return;
                 }
-                present = readl(host->ioaddr + SDHCI_PRESENT_STATE);
-        } while (present & (SDHCI_CMD_INHIBIT | SDHCI_DATA_INHIBIT));
+                timeout--;
+                mdelay(1);
+        }
 
         mod_timer(&host->timer, jiffies + 10 * HZ);
 
@@ -401,6 +510,8 @@ static void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
 
         writel(cmd->arg, host->ioaddr + SDHCI_ARGUMENT);
 
+        sdhci_set_transfer_mode(host, cmd->data);
+
         if ((cmd->flags & MMC_RSP_136) && (cmd->flags & MMC_RSP_BUSY)) {
                 printk(KERN_ERR "%s: Unsupported response type! "
                         "Please report this to " BUGMAIL ".\n",
@@ -456,31 +567,9 @@ static void sdhci_finish_command(struct sdhci_host *host)
 
         DBG("Ending cmd (%x)\n", host->cmd->opcode);
 
-        if (host->cmd->data) {
-                u32 intmask;
-
+        if (host->cmd->data)
                 host->data = host->cmd->data;
-
-                if (!(host->flags & SDHCI_USE_DMA)) {
-                        /*
-                         * Don't enable the interrupts until now to make sure we
-                         * get stable handling of the FIFO.
-                         */
-                        intmask = readl(host->ioaddr + SDHCI_INT_ENABLE);
-                        intmask |= SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL;
-                        writel(intmask, host->ioaddr + SDHCI_INT_ENABLE);
-
-                        intmask = readl(host->ioaddr + SDHCI_SIGNAL_ENABLE);
-                        intmask |= SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL;
-                        writel(intmask, host->ioaddr + SDHCI_SIGNAL_ENABLE);
-
-                        /*
-                         * The buffer interrupts are to unreliable so we
-                         * start the transfer immediatly.
-                         */
-                        sdhci_transfer_pio(host);
-                }
-        } else
+        else
                 tasklet_schedule(&host->finish_tasklet);
 
         host->cmd = NULL;
@@ -490,7 +579,7 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 {
         int div;
         u16 clk;
-        unsigned long max_jiffies;
+        unsigned long timeout;
 
         if (clock == host->clock)
                 return;
@@ -511,17 +600,19 @@ static void sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
         writew(clk, host->ioaddr + SDHCI_CLOCK_CONTROL);
 
         /* Wait max 10 ms */
-        max_jiffies = jiffies + (HZ + 99)/100;
-        do {
-                if (time_after(jiffies, max_jiffies)) {
+        timeout = 10;
+        while (!((clk = readw(host->ioaddr + SDHCI_CLOCK_CONTROL))
+                & SDHCI_CLOCK_INT_STABLE)) {
+                if (timeout == 0) {
                         printk(KERN_ERR "%s: Internal clock never stabilised. "
                                 "Please report this to " BUGMAIL ".\n",
                                 mmc_hostname(host->mmc));
                         sdhci_dumpregs(host);
                         return;
                 }
-                clk = readw(host->ioaddr + SDHCI_CLOCK_CONTROL);
-        } while (!(clk & SDHCI_CLOCK_INT_STABLE));
+                timeout--;
+                mdelay(1);
+        }
 
         clk |= SDHCI_CLOCK_CARD_EN;
         writew(clk, host->ioaddr + SDHCI_CLOCK_CONTROL);
@@ -530,6 +621,46 @@ out:
         host->clock = clock;
 }
 
+static void sdhci_set_power(struct sdhci_host *host, unsigned short power)
+{
+        u8 pwr;
+
+        if (host->power == power)
+                return;
+
+        writeb(0, host->ioaddr + SDHCI_POWER_CONTROL);
+
+        if (power == (unsigned short)-1)
+                goto out;
+
+        pwr = SDHCI_POWER_ON;
+
+        switch (power) {
+        case MMC_VDD_170:
+        case MMC_VDD_180:
+        case MMC_VDD_190:
+                pwr |= SDHCI_POWER_180;
+                break;
+        case MMC_VDD_290:
+        case MMC_VDD_300:
+        case MMC_VDD_310:
+                pwr |= SDHCI_POWER_300;
+                break;
+        case MMC_VDD_320:
+        case MMC_VDD_330:
+        case MMC_VDD_340:
+                pwr |= SDHCI_POWER_330;
+                break;
+        default:
+                BUG();
+        }
+
+        writeb(pwr, host->ioaddr + SDHCI_POWER_CONTROL);
+
+out:
+        host->power = power;
+}
+
 /*****************************************************************************\
  *                                                                           *
  * MMC callbacks                                                             *
@@ -576,17 +707,15 @@ static void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
          */
         if (ios->power_mode == MMC_POWER_OFF) {
                 writel(0, host->ioaddr + SDHCI_SIGNAL_ENABLE);
-                spin_unlock_irqrestore(&host->lock, flags);
                 sdhci_init(host);
-                spin_lock_irqsave(&host->lock, flags);
         }
 
         sdhci_set_clock(host, ios->clock);
 
         if (ios->power_mode == MMC_POWER_OFF)
-                writeb(0, host->ioaddr + SDHCI_POWER_CONTROL);
+                sdhci_set_power(host, -1);
         else
-                writeb(0xFF, host->ioaddr + SDHCI_POWER_CONTROL);
+                sdhci_set_power(host, ios->vdd);
 
         ctrl = readb(host->ioaddr + SDHCI_HOST_CONTROL);
         if (ios->bus_width == MMC_BUS_WIDTH_4)
@@ -793,7 +922,7 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
         if (host->data->error != MMC_ERR_NONE)
                 sdhci_finish_data(host);
         else {
-                if (intmask & (SDHCI_INT_BUF_FULL | SDHCI_INT_BUF_EMPTY))
+                if (intmask & (SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL))
                         sdhci_transfer_pio(host);
 
                 if (intmask & SDHCI_INT_DATA_END)
@@ -818,50 +947,44 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id, struct pt_regs *regs)
 
         DBG("*** %s got interrupt: 0x%08x\n", host->slot_descr, intmask);
 
-        if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE))
+        if (intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE)) {
+                writel(intmask & (SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE),
+                        host->ioaddr + SDHCI_INT_STATUS);
                 tasklet_schedule(&host->card_tasklet);
+        }
 
-        if (intmask & SDHCI_INT_CMD_MASK) {
-                sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
+        intmask &= ~(SDHCI_INT_CARD_INSERT | SDHCI_INT_CARD_REMOVE);
 
+        if (intmask & SDHCI_INT_CMD_MASK) {
                 writel(intmask & SDHCI_INT_CMD_MASK,
                         host->ioaddr + SDHCI_INT_STATUS);
+                sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
         }
 
         if (intmask & SDHCI_INT_DATA_MASK) {
-                sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
-
                 writel(intmask & SDHCI_INT_DATA_MASK,
                         host->ioaddr + SDHCI_INT_STATUS);
+                sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
         }
 
         intmask &= ~(SDHCI_INT_CMD_MASK | SDHCI_INT_DATA_MASK);
 
-        if (intmask & SDHCI_INT_CARD_INT) {
-                printk(KERN_ERR "%s: Unexpected card interrupt. Please "
-                        "report this to " BUGMAIL ".\n",
-                        mmc_hostname(host->mmc));
-                sdhci_dumpregs(host);
-        }
-
         if (intmask & SDHCI_INT_BUS_POWER) {
-                printk(KERN_ERR "%s: Unexpected bus power interrupt. Please "
-                        "report this to " BUGMAIL ".\n",
+                printk(KERN_ERR "%s: Card is consuming too much power!\n",
                         mmc_hostname(host->mmc));
-                sdhci_dumpregs(host);
+                writel(SDHCI_INT_BUS_POWER, host->ioaddr + SDHCI_INT_STATUS);
         }
 
-        if (intmask & SDHCI_INT_ACMD12ERR) {
-                printk(KERN_ERR "%s: Unexpected auto CMD12 error. Please "
+        intmask &= SDHCI_INT_BUS_POWER;
+
+        if (intmask) {
+                printk(KERN_ERR "%s: Unexpected interrupt 0x%08x. Please "
                         "report this to " BUGMAIL ".\n",
-                        mmc_hostname(host->mmc));
+                        mmc_hostname(host->mmc), intmask);
                 sdhci_dumpregs(host);
 
-                writew(~0, host->ioaddr + SDHCI_ACMD12_ERR);
-        }
-
-        if (intmask)
                 writel(intmask, host->ioaddr + SDHCI_INT_STATUS);
+        }
 
         result = IRQ_HANDLED;
 
@@ -954,6 +1077,7 @@ static int sdhci_resume (struct pci_dev *pdev)
 static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 {
         int ret;
+        unsigned int version;
         struct sdhci_chip *chip;
         struct mmc_host *mmc;
         struct sdhci_host *host;
@@ -985,6 +1109,16 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
                 return -ENODEV;
         }
 
+        if ((pdev->class & 0x0000FF) == PCI_SDHCI_IFVENDOR) {
+                printk(KERN_ERR DRIVER_NAME ": Vendor specific interface. Aborting.\n");
+                return -ENODEV;
+        }
+
+        if ((pdev->class & 0x0000FF) > PCI_SDHCI_IFVENDOR) {
+                printk(KERN_ERR DRIVER_NAME ": Unknown interface. Aborting.\n");
+                return -ENODEV;
+        }
+
         mmc = mmc_alloc_host(sizeof(struct sdhci_host), &pdev->dev);
         if (!mmc)
                 return -ENOMEM;
@@ -1012,9 +1146,30 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
                 goto release;
         }
 
+        sdhci_reset(host, SDHCI_RESET_ALL);
+
+        version = readw(host->ioaddr + SDHCI_HOST_VERSION);
+        version = (version & SDHCI_SPEC_VER_MASK) >> SDHCI_SPEC_VER_SHIFT;
+        if (version != 0) {
+                printk(KERN_ERR "%s: Unknown controller version (%d). "
+                        "Cowardly refusing to continue.\n", host->slot_descr,
+                        version);
+                ret = -ENODEV;
+                goto unmap;
+        }
+
         caps = readl(host->ioaddr + SDHCI_CAPABILITIES);
 
-        if ((caps & SDHCI_CAN_DO_DMA) && ((pdev->class & 0x0000FF) == 0x01))
+        if (debug_nodma)
+                DBG("DMA forced off\n");
+        else if (debug_forcedma) {
+                DBG("DMA forced on\n");
+                host->flags |= SDHCI_USE_DMA;
+        } else if ((pdev->class & 0x0000FF) != PCI_SDHCI_IFDMA)
+                DBG("Controller doesn't have DMA interface\n");
+        else if (!(caps & SDHCI_CAN_DO_DMA))
+                DBG("Controller doesn't have DMA capability\n");
+        else
                 host->flags |= SDHCI_USE_DMA;
 
         if (host->flags & SDHCI_USE_DMA) {
@@ -1030,18 +1185,59 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
         else /* XXX: Hack to get MMC layer to avoid highmem */
                 pdev->dma_mask = 0;
 
-        host->max_clk = (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
+        host->max_clk =
+                (caps & SDHCI_CLOCK_BASE_MASK) >> SDHCI_CLOCK_BASE_SHIFT;
+        if (host->max_clk == 0) {
+                printk(KERN_ERR "%s: Hardware doesn't specify base clock "
+                        "frequency.\n", host->slot_descr);
+                ret = -ENODEV;
+                goto unmap;
+        }
         host->max_clk *= 1000000;
 
+        host->timeout_clk =
+                (caps & SDHCI_TIMEOUT_CLK_MASK) >> SDHCI_TIMEOUT_CLK_SHIFT;
+        if (host->timeout_clk == 0) {
+                printk(KERN_ERR "%s: Hardware doesn't specify timeout clock "
+                        "frequency.\n", host->slot_descr);
+                ret = -ENODEV;
+                goto unmap;
+        }
+        if (caps & SDHCI_TIMEOUT_CLK_UNIT)
+                host->timeout_clk *= 1000;
+
+        host->max_block = (caps & SDHCI_MAX_BLOCK_MASK) >> SDHCI_MAX_BLOCK_SHIFT;
+        if (host->max_block >= 3) {
+                printk(KERN_ERR "%s: Invalid maximum block size.\n",
+                        host->slot_descr);
+                ret = -ENODEV;
+                goto unmap;
+        }
+        host->max_block = 512 << host->max_block;
+
         /*
          * Set host parameters.
          */
         mmc->ops = &sdhci_ops;
         mmc->f_min = host->max_clk / 256;
         mmc->f_max = host->max_clk;
-        mmc->ocr_avail = MMC_VDD_32_33|MMC_VDD_33_34;
         mmc->caps = MMC_CAP_4_BIT_DATA;
 
+        mmc->ocr_avail = 0;
+        if (caps & SDHCI_CAN_VDD_330)
+                mmc->ocr_avail |= MMC_VDD_32_33|MMC_VDD_33_34;
+        else if (caps & SDHCI_CAN_VDD_300)
+                mmc->ocr_avail |= MMC_VDD_29_30|MMC_VDD_30_31;
+        else if (caps & SDHCI_CAN_VDD_180)
+                mmc->ocr_avail |= MMC_VDD_17_18|MMC_VDD_18_19;
+
+        if (mmc->ocr_avail == 0) {
+                printk(KERN_ERR "%s: Hardware doesn't report any "
+                        "support voltages.\n", host->slot_descr);
+                ret = -ENODEV;
+                goto unmap;
+        }
+
         spin_lock_init(&host->lock);
 
         /*
@@ -1054,10 +1250,10 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
         mmc->max_phys_segs = 16;
 
         /*
-         * Maximum number of sectors in one transfer. Limited by sector
-         * count register.
+         * Maximum number of sectors in one transfer. Limited by DMA boundary
+         * size (512KiB), which means (512 KiB/512=) 1024 entries.
          */
-        mmc->max_sectors = 0x3FFF;
+        mmc->max_sectors = 1024;
 
         /*
          * Maximum segment size. Could be one segment with the maximum number
@@ -1075,10 +1271,10 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 
         setup_timer(&host->timer, sdhci_timeout_timer, (long)host);
 
-        ret = request_irq(host->irq, sdhci_irq, SA_SHIRQ,
+        ret = request_irq(host->irq, sdhci_irq, IRQF_SHARED,
                 host->slot_descr, host);
         if (ret)
-                goto unmap;
+                goto untasklet;
 
         sdhci_init(host);
 
@@ -1097,10 +1293,10 @@ static int __devinit sdhci_probe_slot(struct pci_dev *pdev, int slot)
 
         return 0;
 
-unmap:
+untasklet:
         tasklet_kill(&host->card_tasklet);
         tasklet_kill(&host->finish_tasklet);
-
+unmap:
         iounmap(host->ioaddr);
 release:
         pci_release_region(pdev, host->bar);
@@ -1144,13 +1340,18 @@ static int __devinit sdhci_probe(struct pci_dev *pdev,
         const struct pci_device_id *ent)
 {
         int ret, i;
-        u8 slots;
+        u8 slots, rev;
         struct sdhci_chip *chip;
 
         BUG_ON(pdev == NULL);
         BUG_ON(ent == NULL);
 
-        DBG("found at %s\n", pci_name(pdev));
+        pci_read_config_byte(pdev, PCI_CLASS_REVISION, &rev);
+
+        printk(KERN_INFO DRIVER_NAME
+                ": SDHCI controller found at %s [%04x:%04x] (rev %x)\n",
+                pci_name(pdev), (int)pdev->vendor, (int)pdev->device,
+                (int)rev);
 
         ret = pci_read_config_byte(pdev, PCI_SLOT_INFO, &slots);
         if (ret)
@@ -1173,6 +1374,10 @@ static int __devinit sdhci_probe(struct pci_dev *pdev,
         }
 
         chip->pdev = pdev;
+        chip->quirks = ent->driver_data;
+
+        if (debug_quirks)
+                chip->quirks = debug_quirks;
 
         chip->num_slots = slots;
         pci_set_drvdata(pdev, chip);
@@ -1251,7 +1456,15 @@ static void __exit sdhci_drv_exit(void)
 module_init(sdhci_drv_init);
 module_exit(sdhci_drv_exit);
 
+module_param(debug_nodma, uint, 0444);
+module_param(debug_forcedma, uint, 0444);
+module_param(debug_quirks, uint, 0444);
+
 MODULE_AUTHOR("Pierre Ossman <drzeus@drzeus.cx>");
 MODULE_DESCRIPTION("Secure Digital Host Controller Interface driver");
 MODULE_VERSION(DRIVER_VERSION);
 MODULE_LICENSE("GPL");
+
+MODULE_PARM_DESC(debug_nodma, "Forcefully disable DMA transfers. (default 0)");
+MODULE_PARM_DESC(debug_forcedma, "Forcefully enable DMA transfers. (default 0)");
+MODULE_PARM_DESC(debug_quirks, "Force certain quirks.");
diff --git a/drivers/mmc/sdhci.h b/drivers/mmc/sdhci.h
index 3b270ef486b4..f2453343f783 100644
--- a/drivers/mmc/sdhci.h
+++ b/drivers/mmc/sdhci.h
@@ -12,6 +12,10 @@
  * PCI registers
  */
 
+#define PCI_SDHCI_IFPIO                 0x00
+#define PCI_SDHCI_IFDMA                 0x01
+#define PCI_SDHCI_IFVENDOR              0x02
+
 #define PCI_SLOT_INFO                   0x40    /* 8 bits */
 #define  PCI_SLOT_INFO_SLOTS(x)         ((x >> 4) & 7)
 #define  PCI_SLOT_INFO_FIRST_BAR_MASK   0x07
@@ -23,6 +27,7 @@
 #define SDHCI_DMA_ADDRESS       0x00
 
 #define SDHCI_BLOCK_SIZE        0x04
+#define  SDHCI_MAKE_BLKSZ(dma, blksz) (((dma & 0x7) << 12) | (blksz & 0xFFF))
 
 #define SDHCI_BLOCK_COUNT       0x06
 
@@ -67,6 +72,10 @@
 #define  SDHCI_CTRL_4BITBUS     0x02
 
 #define SDHCI_POWER_CONTROL     0x29
+#define  SDHCI_POWER_ON         0x01
+#define  SDHCI_POWER_180        0x0A
+#define  SDHCI_POWER_300        0x0C
+#define  SDHCI_POWER_330        0x0E
 
 #define SDHCI_BLOCK_GAP_CONTROL 0x2A
 
@@ -91,8 +100,8 @@
 #define  SDHCI_INT_RESPONSE     0x00000001
 #define  SDHCI_INT_DATA_END     0x00000002
 #define  SDHCI_INT_DMA_END      0x00000008
-#define  SDHCI_INT_BUF_EMPTY    0x00000010
-#define  SDHCI_INT_BUF_FULL     0x00000020
+#define  SDHCI_INT_SPACE_AVAIL  0x00000010
+#define  SDHCI_INT_DATA_AVAIL   0x00000020
 #define  SDHCI_INT_CARD_INSERT  0x00000040
 #define  SDHCI_INT_CARD_REMOVE  0x00000080
 #define  SDHCI_INT_CARD_INT     0x00000100
@@ -112,7 +121,7 @@
 #define  SDHCI_INT_CMD_MASK     (SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \
                 SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)
 #define  SDHCI_INT_DATA_MASK    (SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
-                SDHCI_INT_BUF_EMPTY | SDHCI_INT_BUF_FULL | \
+                SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
                 SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
                 SDHCI_INT_DATA_END_BIT)
 
@@ -121,9 +130,17 @@
 /* 3E-3F reserved */
 
 #define SDHCI_CAPABILITIES      0x40
-#define  SDHCI_CAN_DO_DMA       0x00400000
+#define  SDHCI_TIMEOUT_CLK_MASK 0x0000003F
+#define  SDHCI_TIMEOUT_CLK_SHIFT 0
+#define  SDHCI_TIMEOUT_CLK_UNIT 0x00000080
 #define  SDHCI_CLOCK_BASE_MASK  0x00003F00
 #define  SDHCI_CLOCK_BASE_SHIFT 8
+#define  SDHCI_MAX_BLOCK_MASK   0x00030000
+#define  SDHCI_MAX_BLOCK_SHIFT  16
+#define  SDHCI_CAN_DO_DMA       0x00400000
+#define  SDHCI_CAN_VDD_330      0x01000000
+#define  SDHCI_CAN_VDD_300      0x02000000
+#define  SDHCI_CAN_VDD_180      0x04000000
 
 /* 44-47 reserved for more caps */
 
@@ -136,6 +153,10 @@
 #define SDHCI_SLOT_INT_STATUS   0xFC
 
 #define SDHCI_HOST_VERSION      0xFE
+#define  SDHCI_VENDOR_VER_MASK  0xFF00
+#define  SDHCI_VENDOR_VER_SHIFT 8
+#define  SDHCI_SPEC_VER_MASK    0x00FF
+#define  SDHCI_SPEC_VER_SHIFT   0
 
 struct sdhci_chip;
 
@@ -149,8 +170,11 @@ struct sdhci_host {
 #define SDHCI_USE_DMA           (1<<0)
 
         unsigned int            max_clk;        /* Max possible freq (MHz) */
+        unsigned int            timeout_clk;    /* Timeout freq (KHz) */
+        unsigned int            max_block;      /* Max block size (bytes) */
 
         unsigned int            clock;          /* Current clock (MHz) */
+        unsigned short          power;          /* Current voltage */
 
         struct mmc_request      *mrq;           /* Current request */
         struct mmc_command      *cmd;           /* Current command */
@@ -180,6 +204,8 @@ struct sdhci_host {
 struct sdhci_chip {
         struct pci_dev          *pdev;
 
+        unsigned long           quirks;
+
         int                     num_slots;      /* Slots on controller */
         struct sdhci_host       *hosts[0];      /* Pointers to hosts */
 };
diff --git a/drivers/mmc/wbsd.c b/drivers/mmc/wbsd.c
index 3fcd86c08ebd..8a30ef3ae419 100644
--- a/drivers/mmc/wbsd.c
+++ b/drivers/mmc/wbsd.c
@@ -1553,7 +1553,7 @@ static int __devinit wbsd_request_irq(struct wbsd_host *host, int irq)
          * Allocate interrupt.
          */
 
-        ret = request_irq(irq, wbsd_irq, SA_SHIRQ, DRIVER_NAME, host);
+        ret = request_irq(irq, wbsd_irq, IRQF_SHARED, DRIVER_NAME, host);
         if (ret)
                 return ret;
 
diff --git a/drivers/net/3c515.c b/drivers/net/3c515.c
index ac60f3f62db8..4532b17e40ea 100644
--- a/drivers/net/3c515.c
+++ b/drivers/net/3c515.c
@@ -760,7 +760,7 @@ static int corkscrew_open(struct net_device *dev)
                                    vp->product_name, dev)) return -EAGAIN;
                 enable_dma(dev->dma);
                 set_dma_mode(dev->dma, DMA_MODE_CASCADE);
-        } else if (request_irq(dev->irq, &corkscrew_interrupt, SA_SHIRQ,
+        } else if (request_irq(dev->irq, &corkscrew_interrupt, IRQF_SHARED,
                                vp->product_name, dev)) {
                 return -EAGAIN;
         }
diff --git a/drivers/net/3c523.c b/drivers/net/3c523.c
index 4bf8510655c5..5dfd97f0ba9e 100644
--- a/drivers/net/3c523.c
+++ b/drivers/net/3c523.c
@@ -289,7 +289,7 @@ static int elmc_open(struct net_device *dev)
 
         elmc_id_attn586();      /* disable interrupts */
 
-        ret = request_irq(dev->irq, &elmc_interrupt, SA_SHIRQ | SA_SAMPLE_RANDOM,
+        ret = request_irq(dev->irq, &elmc_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                           dev->name, dev);
         if (ret) {
                 printk(KERN_ERR "%s: couldn't get irq %d\n", dev->name, dev->irq);
diff --git a/drivers/net/3c527.c b/drivers/net/3c527.c
index 157eda573925..03c0f7176fc9 100644
--- a/drivers/net/3c527.c
+++ b/drivers/net/3c527.c
@@ -435,7 +435,7 @@ static int __init mc32_probe1(struct net_device *dev, int slot)
          *      Grab the IRQ
          */
 
-        err = request_irq(dev->irq, &mc32_interrupt, SA_SHIRQ | SA_SAMPLE_RANDOM, DRV_NAME, dev);
+        err = request_irq(dev->irq, &mc32_interrupt, IRQF_SHARED | IRQF_SAMPLE_RANDOM, DRV_NAME, dev);
         if (err) {
                 release_region(dev->base_addr, MC32_IO_EXTENT);
                 printk(KERN_ERR "%s: unable to get IRQ %d.\n", DRV_NAME, dev->irq);
diff --git a/drivers/net/3c59x.c b/drivers/net/3c59x.c
index 45125db44177..8ab03b4a885e 100644
--- a/drivers/net/3c59x.c
+++ b/drivers/net/3c59x.c
@@ -996,7 +996,7 @@ static int vortex_resume(struct pci_dev *pdev)
                 pci_enable_device(pdev);
                 pci_set_master(pdev);
                 if (request_irq(dev->irq, vp->full_bus_master_rx ?
-                                &boomerang_interrupt : &vortex_interrupt, SA_SHIRQ, dev->name, dev)) {
+                                &boomerang_interrupt : &vortex_interrupt, IRQF_SHARED, dev->name, dev)) {
                         printk(KERN_WARNING "%s: Could not reserve IRQ %d\n", dev->name, dev->irq);
                         pci_disable_device(pdev);
                         return -EBUSY;
@@ -1833,7 +1833,7 @@ vortex_open(struct net_device *dev)
 
         /* Use the now-standard shared IRQ implementation. */
         if ((retval = request_irq(dev->irq, vp->full_bus_master_rx ?
-                                &boomerang_interrupt : &vortex_interrupt, SA_SHIRQ, dev->name, dev))) {
+                                &boomerang_interrupt : &vortex_interrupt, IRQF_SHARED, dev->name, dev))) {
                 printk(KERN_ERR "%s: Could not reserve IRQ %d\n", dev->name, dev->irq);
                 goto out;
         }
diff --git a/drivers/net/8139cp.c b/drivers/net/8139cp.c
index 1d7af760c2b1..1959654cbec8 100644
--- a/drivers/net/8139cp.c
+++ b/drivers/net/8139cp.c
@@ -1203,7 +1203,7 @@ static int cp_open (struct net_device *dev)
 
         cp_init_hw(cp);
 
-        rc = request_irq(dev->irq, cp_interrupt, SA_SHIRQ, dev->name, dev);
+        rc = request_irq(dev->irq, cp_interrupt, IRQF_SHARED, dev->name, dev);
         if (rc)
                 goto err_out_hw;
 
diff --git a/drivers/net/8139too.c b/drivers/net/8139too.c
index d21e98f5adbc..717506b2b13a 100644
--- a/drivers/net/8139too.c
+++ b/drivers/net/8139too.c
@@ -1310,7 +1310,7 @@ static int rtl8139_open (struct net_device *dev)
         int retval;
         void __iomem *ioaddr = tp->mmio_addr;
 
-        retval = request_irq (dev->irq, rtl8139_interrupt, SA_SHIRQ, dev->name, dev);
+        retval = request_irq (dev->irq, rtl8139_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval)
                 return retval;
 
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index 519390c033c3..f4ea62641acd 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -495,7 +495,7 @@ static int lance_open (struct net_device *dev)
         ll->rdp = LE_C0_STOP;
 
         /* Install the Interrupt handler */
-        ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, SA_SHIRQ,
+        ret = request_irq(IRQ_AMIGA_PORTS, lance_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (ret) return ret;
 
diff --git a/drivers/net/acenic.c b/drivers/net/acenic.c
index c290b5ae63b2..1c01e9b3d07c 100644
--- a/drivers/net/acenic.c
+++ b/drivers/net/acenic.c
@@ -1194,7 +1194,7 @@ static int __devinit ace_init(struct net_device *dev)
                 goto init_error;
         }
 
-        ecode = request_irq(pdev->irq, ace_interrupt, SA_SHIRQ,
+        ecode = request_irq(pdev->irq, ace_interrupt, IRQF_SHARED,
                             DRV_NAME, dev);
         if (ecode) {
                 printk(KERN_WARNING "%s: Requested IRQ %d is busy\n",
diff --git a/drivers/net/amd8111e.c b/drivers/net/amd8111e.c
index c017c4f6b3b5..ed322a76980d 100644
--- a/drivers/net/amd8111e.c
+++ b/drivers/net/amd8111e.c
@@ -1376,7 +1376,7 @@ static int amd8111e_open(struct net_device * dev )
 {
         struct amd8111e_priv *lp = netdev_priv(dev);
 
-        if(dev->irq ==0 || request_irq(dev->irq, amd8111e_interrupt, SA_SHIRQ,
+        if(dev->irq ==0 || request_irq(dev->irq, amd8111e_interrupt, IRQF_SHARED,
                                          dev->name, dev)) 
                 return -EAGAIN;
 
diff --git a/drivers/net/apne.c b/drivers/net/apne.c
index b9820b86cdcc..9cc13a0250d6 100644
--- a/drivers/net/apne.c
+++ b/drivers/net/apne.c
@@ -313,7 +313,7 @@ static int __init apne_probe1(struct net_device *dev, int ioaddr)
     dev->base_addr = ioaddr;
 
     /* Install the Interrupt handler */
-    i = request_irq(IRQ_AMIGA_PORTS, apne_interrupt, SA_SHIRQ, DRV_NAME, dev);
+    i = request_irq(IRQ_AMIGA_PORTS, apne_interrupt, IRQF_SHARED, DRV_NAME, dev);
     if (i) return i;
 
     for(i = 0; i < ETHER_ADDR_LEN; i++) {
diff --git a/drivers/net/arcnet/com20020-pci.c b/drivers/net/arcnet/com20020-pci.c
index 96636ca8754e..979a33df0a8c 100644
--- a/drivers/net/arcnet/com20020-pci.c
+++ b/drivers/net/arcnet/com20020-pci.c
@@ -120,7 +120,7 @@ static int __devinit com20020pci_probe(struct pci_dev *pdev, const struct pci_de
                 goto out_port;
         }
 
-        if ((err = com20020_found(dev, SA_SHIRQ)) != 0)
+        if ((err = com20020_found(dev, IRQF_SHARED)) != 0)
                 goto out_port;
 
         return 0;
diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c
index a9bb7a4aff98..cc721addd576 100644
--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -320,7 +320,7 @@ static int ariadne_open(struct net_device *dev)
 
     netif_start_queue(dev);
 
-    i = request_irq(IRQ_AMIGA_PORTS, ariadne_interrupt, SA_SHIRQ,
+    i = request_irq(IRQ_AMIGA_PORTS, ariadne_interrupt, IRQF_SHARED,
                     dev->name, dev);
     if (i) return i;
 
diff --git a/drivers/net/b44.c b/drivers/net/b44.c
index a7e4ba5a580f..cd98d31dee8c 100644
--- a/drivers/net/b44.c
+++ b/drivers/net/b44.c
@@ -1421,7 +1421,7 @@ static int b44_open(struct net_device *dev)
 
         b44_check_phy(bp);
 
-        err = request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev);
+        err = request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev);
         if (unlikely(err < 0)) {
                 b44_chip_reset(bp);
                 b44_free_rings(bp);
@@ -2322,7 +2322,7 @@ static int b44_resume(struct pci_dev *pdev)
         if (!netif_running(dev))
                 return 0;
 
-        if (request_irq(dev->irq, b44_interrupt, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, b44_interrupt, IRQF_SHARED, dev->name, dev))
                 printk(KERN_ERR PFX "%s: request_irq failed\n", dev->name);
 
         spin_lock_irq(&bp->lock);
diff --git a/drivers/net/bnx2.c b/drivers/net/bnx2.c
index 7e32d4ea71e2..4f4db5ae503b 100644
--- a/drivers/net/bnx2.c
+++ b/drivers/net/bnx2.c
@@ -4260,11 +4260,11 @@ bnx2_open(struct net_device *dev)
                 }
                 else {
                         rc = request_irq(bp->pdev->irq, bnx2_interrupt,
-                                        SA_SHIRQ, dev->name, dev);
+                                        IRQF_SHARED, dev->name, dev);
                 }
         }
         else {
-                rc = request_irq(bp->pdev->irq, bnx2_interrupt, SA_SHIRQ,
+                rc = request_irq(bp->pdev->irq, bnx2_interrupt, IRQF_SHARED,
                                 dev->name, dev);
         }
         if (rc) {
@@ -4311,7 +4311,7 @@ bnx2_open(struct net_device *dev)
 
                         if (!rc) {
                                 rc = request_irq(bp->pdev->irq, bnx2_interrupt,
-                                        SA_SHIRQ, dev->name, dev);
+                                        IRQF_SHARED, dev->name, dev);
                         }
                         if (rc) {
                                 bnx2_free_skbs(bp);
diff --git a/drivers/net/cassini.c b/drivers/net/cassini.c
index b89c7bb2c591..d33130f64700 100644
--- a/drivers/net/cassini.c
+++ b/drivers/net/cassini.c
@@ -4349,7 +4349,7 @@ static int cas_open(struct net_device *dev)
          * mapping to expose them
          */
         if (request_irq(cp->pdev->irq, cas_interrupt,
-                        SA_SHIRQ, dev->name, (void *) dev)) {
+                        IRQF_SHARED, dev->name, (void *) dev)) {
                 printk(KERN_ERR "%s: failed to request irq !\n", 
                        cp->dev->name);
                 err = -EAGAIN;
diff --git a/drivers/net/chelsio/cxgb2.c b/drivers/net/chelsio/cxgb2.c
index c490a862e79c..e67872433e92 100644
--- a/drivers/net/chelsio/cxgb2.c
+++ b/drivers/net/chelsio/cxgb2.c
@@ -218,7 +218,7 @@ static int cxgb_up(struct adapter *adapter)
 
         t1_interrupts_clear(adapter);
         if ((err = request_irq(adapter->pdev->irq,
-                               t1_select_intr_handler(adapter), SA_SHIRQ,
+                               t1_select_intr_handler(adapter), IRQF_SHARED,
                                adapter->name, adapter))) {
                 goto out_err;
         }
diff --git a/drivers/net/cris/eth_v10.c b/drivers/net/cris/eth_v10.c
index d3654fd71604..0eb1f8787ed7 100644
--- a/drivers/net/cris/eth_v10.c
+++ b/drivers/net/cris/eth_v10.c
@@ -671,7 +671,7 @@ e100_open(struct net_device *dev)
         /* allocate the irq corresponding to the receiving DMA */
 
         if (request_irq(NETWORK_DMA_RX_IRQ_NBR, e100rxtx_interrupt,
-                        SA_SAMPLE_RANDOM, cardname, (void *)dev)) {
+                        IRQF_SAMPLE_RANDOM, cardname, (void *)dev)) {
                 goto grace_exit0;
         }
 
diff --git a/drivers/net/defxx.c b/drivers/net/defxx.c
index 5acd35c312ac..91cc8cbdd440 100644
--- a/drivers/net/defxx.c
+++ b/drivers/net/defxx.c
@@ -1228,7 +1228,7 @@ static int dfx_open(struct net_device *dev)
         
         /* Register IRQ - support shared interrupts by passing device ptr */
 
-        ret = request_irq(dev->irq, dfx_interrupt, SA_SHIRQ, dev->name, dev);
+        ret = request_irq(dev->irq, dfx_interrupt, IRQF_SHARED, dev->name, dev);
         if (ret) {
                 printk(KERN_ERR "%s: Requested IRQ %d is busy\n", dev->name, dev->irq);
                 return ret;
diff --git a/drivers/net/dgrs.c b/drivers/net/dgrs.c
index e175d4876682..fa4f09432975 100644
--- a/drivers/net/dgrs.c
+++ b/drivers/net/dgrs.c
@@ -1191,7 +1191,7 @@ dgrs_probe1(struct net_device *dev)
         if (priv->plxreg)
                 OUTL(dev->base_addr + PLX_LCL2PCI_DOORBELL, 1);
         
-        rc = request_irq(dev->irq, &dgrs_intr, SA_SHIRQ, "RightSwitch", dev);
+        rc = request_irq(dev->irq, &dgrs_intr, IRQF_SHARED, "RightSwitch", dev);
         if (rc)
                 goto err_out;
 
diff --git a/drivers/net/dl2k.c b/drivers/net/dl2k.c
index 29778055223b..4b6ddb70f921 100644
--- a/drivers/net/dl2k.c
+++ b/drivers/net/dl2k.c
@@ -440,7 +440,7 @@ rio_open (struct net_device *dev)
         int i;
         u16 macctrl;
         
-        i = request_irq (dev->irq, &rio_interrupt, SA_SHIRQ, dev->name, dev);
+        i = request_irq (dev->irq, &rio_interrupt, IRQF_SHARED, dev->name, dev);
         if (i)
                 return i;
         
diff --git a/drivers/net/dm9000.c b/drivers/net/dm9000.c
index 7965a9b08e79..1b758b707134 100644
--- a/drivers/net/dm9000.c
+++ b/drivers/net/dm9000.c
@@ -603,7 +603,7 @@ dm9000_open(struct net_device *dev)
 
         PRINTK2("entering dm9000_open\n");
 
-        if (request_irq(dev->irq, &dm9000_interrupt, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, &dm9000_interrupt, IRQF_SHARED, dev->name, dev))
                 return -EAGAIN;
 
         /* Initialize DM9000 board */
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index a1d676a0df7c..91ef5f2fd768 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -2063,7 +2063,7 @@ static int e100_up(struct nic *nic)
         e100_set_multicast_list(nic->netdev);
         e100_start_receiver(nic, NULL);
         mod_timer(&nic->watchdog, jiffies);
-        if((err = request_irq(nic->pdev->irq, e100_intr, SA_SHIRQ,
+        if((err = request_irq(nic->pdev->irq, e100_intr, IRQF_SHARED,
                 nic->netdev->name, nic->netdev)))
                 goto err_no_irq;
         netif_wake_queue(nic->netdev);
diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index 6ed7f599eba3..d19664891768 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -871,10 +871,10 @@ e1000_intr_test(struct e1000_adapter *adapter, uint64_t *data)
         *data = 0;
 
         /* Hook up test interrupt handler just for this test */
-        if (!request_irq(irq, &e1000_test_intr, SA_PROBEIRQ, netdev->name,
-                         netdev)) {
+        if (!request_irq(irq, &e1000_test_intr, IRQF_PROBE_SHARED,
+                         netdev->name, netdev)) {
                 shared_int = FALSE;
-        } else if (request_irq(irq, &e1000_test_intr, SA_SHIRQ,
+        } else if (request_irq(irq, &e1000_test_intr, IRQF_SHARED,
                               netdev->name, netdev)){
                 *data = 1;
                 return -1;
diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
index 32b7d444b374..f77624f5f17b 100644
--- a/drivers/net/e1000/e1000_main.c
+++ b/drivers/net/e1000/e1000_main.c
@@ -426,7 +426,7 @@ e1000_up(struct e1000_adapter *adapter)
         }
 #endif
         if ((err = request_irq(adapter->pdev->irq, &e1000_intr,
-                              SA_SHIRQ | SA_SAMPLE_RANDOM,
+                              IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                               netdev->name, netdev))) {
                 DPRINTK(PROBE, ERR,
                     "Unable to allocate interrupt Error: %d\n", err);
diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c
index e70f172699db..20d31430c74f 100644
--- a/drivers/net/eepro.c
+++ b/drivers/net/eepro.c
@@ -920,7 +920,7 @@ static int	eepro_grab_irq(struct net_device *dev)
 
                 eepro_sw2bank0(ioaddr); /* Switch back to Bank 0 */
 
-                if (request_irq (*irqp, NULL, SA_SHIRQ, "bogus", dev) != EBUSY) {
+                if (request_irq (*irqp, NULL, IRQF_SHARED, "bogus", dev) != EBUSY) {
                         unsigned long irq_mask;
                         /* Twinkle the interrupt, and check if it's seen */
                         irq_mask = probe_irq_on();
diff --git a/drivers/net/eepro100.c b/drivers/net/eepro100.c
index 1e2fbbbb966e..2ad327542927 100644
--- a/drivers/net/eepro100.c
+++ b/drivers/net/eepro100.c
@@ -977,7 +977,7 @@ speedo_open(struct net_device *dev)
         sp->in_interrupt = 0;
 
         /* .. we can safely take handler calls during init. */
-        retval = request_irq(dev->irq, &speedo_interrupt, SA_SHIRQ, dev->name, dev);
+        retval = request_irq(dev->irq, &speedo_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval) {
                 return retval;
         }
diff --git a/drivers/net/epic100.c b/drivers/net/epic100.c
index b160abed8dd7..9f3e09a3d88c 100644
--- a/drivers/net/epic100.c
+++ b/drivers/net/epic100.c
@@ -713,7 +713,7 @@ static int epic_open(struct net_device *dev)
         /* Soft reset the chip. */
         outl(0x4001, ioaddr + GENCTL);
 
-        if ((retval = request_irq(dev->irq, &epic_interrupt, SA_SHIRQ, dev->name, dev)))
+        if ((retval = request_irq(dev->irq, &epic_interrupt, IRQF_SHARED, dev->name, dev)))
                 return retval;
 
         epic_init_ring(dev);
diff --git a/drivers/net/fealnx.c b/drivers/net/fealnx.c
index 13eca7ede2af..c701951dcd6f 100644
--- a/drivers/net/fealnx.c
+++ b/drivers/net/fealnx.c
@@ -834,7 +834,7 @@ static int netdev_open(struct net_device *dev)
 
         iowrite32(0x00000001, ioaddr + BCR);    /* Reset */
 
-        if (request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev))
                 return -EAGAIN;
 
         for (i = 0; i < 3; i++)
diff --git a/drivers/net/forcedeth.c b/drivers/net/forcedeth.c
index 21be4fa071b5..3c90003f4230 100644
--- a/drivers/net/forcedeth.c
+++ b/drivers/net/forcedeth.c
@@ -2622,21 +2622,21 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
                         np->msi_flags |= NV_MSI_X_ENABLED;
                         if (optimization_mode == NV_OPTIMIZATION_MODE_THROUGHPUT && !intr_test) {
                                 /* Request irq for rx handling */
-                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, SA_SHIRQ, dev->name, dev) != 0) {
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_RX].vector, &nv_nic_irq_rx, IRQF_SHARED, dev->name, dev) != 0) {
                                         printk(KERN_INFO "forcedeth: request_irq failed for rx %d\n", ret);
                                         pci_disable_msix(np->pci_dev);
                                         np->msi_flags &= ~NV_MSI_X_ENABLED;
                                         goto out_err;
                                 }
                                 /* Request irq for tx handling */
-                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, SA_SHIRQ, dev->name, dev) != 0) {
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_TX].vector, &nv_nic_irq_tx, IRQF_SHARED, dev->name, dev) != 0) {
                                         printk(KERN_INFO "forcedeth: request_irq failed for tx %d\n", ret);
                                         pci_disable_msix(np->pci_dev);
                                         np->msi_flags &= ~NV_MSI_X_ENABLED;
                                         goto out_free_rx;
                                 }
                                 /* Request irq for link and timer handling */
-                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, SA_SHIRQ, dev->name, dev) != 0) {
+                                if (request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_OTHER].vector, &nv_nic_irq_other, IRQF_SHARED, dev->name, dev) != 0) {
                                         printk(KERN_INFO "forcedeth: request_irq failed for link %d\n", ret);
                                         pci_disable_msix(np->pci_dev);
                                         np->msi_flags &= ~NV_MSI_X_ENABLED;
@@ -2651,9 +2651,9 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
                         } else {
                                 /* Request irq for all interrupts */
                                 if ((!intr_test &&
-                                     request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) ||
+                                     request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) ||
                                     (intr_test &&
-                                     request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0)) {
+                                     request_irq(np->msi_x_entry[NV_MSI_X_VECTOR_ALL].vector, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0)) {
                                         printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
                                         pci_disable_msix(np->pci_dev);
                                         np->msi_flags &= ~NV_MSI_X_ENABLED;
@@ -2669,8 +2669,8 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
         if (ret != 0 && np->msi_flags & NV_MSI_CAPABLE) {
                 if ((ret = pci_enable_msi(np->pci_dev)) == 0) {
                         np->msi_flags |= NV_MSI_ENABLED;
-                        if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) ||
-                            (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0)) {
+                        if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) ||
+                            (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0)) {
                                 printk(KERN_INFO "forcedeth: request_irq failed %d\n", ret);
                                 pci_disable_msi(np->pci_dev);
                                 np->msi_flags &= ~NV_MSI_ENABLED;
@@ -2685,8 +2685,8 @@ static int nv_request_irq(struct net_device *dev, int intr_test)
                 }
         }
         if (ret != 0) {
-                if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, SA_SHIRQ, dev->name, dev) != 0) ||
-                    (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, SA_SHIRQ, dev->name, dev) != 0))
+                if ((!intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq, IRQF_SHARED, dev->name, dev) != 0) ||
+                    (intr_test && request_irq(np->pci_dev->irq, &nv_nic_irq_test, IRQF_SHARED, dev->name, dev) != 0))
                         goto out_err;
 
         }
diff --git a/drivers/net/fs_enet/fs_enet-main.c b/drivers/net/fs_enet/fs_enet-main.c
index e96a93c94941..f6abff5846b3 100644
--- a/drivers/net/fs_enet/fs_enet-main.c
+++ b/drivers/net/fs_enet/fs_enet-main.c
@@ -671,7 +671,7 @@ static int fs_request_irq(struct net_device *dev, int irq, const char *name,
         struct fs_enet_private *fep = netdev_priv(dev);
 
         (*fep->ops->pre_request_irq)(dev, irq);
-        return request_irq(irq, irqf, SA_SHIRQ, name, dev);
+        return request_irq(irq, irqf, IRQF_SHARED, name, dev);
 }
 
 static void fs_free_irq(struct net_device *dev, int irq)
diff --git a/drivers/net/gt96100eth.c b/drivers/net/gt96100eth.c
index 2d2435404614..49dacc6e35aa 100644
--- a/drivers/net/gt96100eth.c
+++ b/drivers/net/gt96100eth.c
@@ -1030,7 +1030,7 @@ gt96100_open(struct net_device *dev)
         }
 
         if ((retval = request_irq(dev->irq, &gt96100_interrupt,
-                                  SA_SHIRQ, dev->name, dev))) {
+                                  IRQF_SHARED, dev->name, dev))) {
                 err("unable to get IRQ %d\n", dev->irq);
                 return retval;
         }
diff --git a/drivers/net/hamachi.c b/drivers/net/hamachi.c
index 0ea4cb4a0d80..7bcd939c6edd 100644
--- a/drivers/net/hamachi.c
+++ b/drivers/net/hamachi.c
@@ -871,7 +871,7 @@ static int hamachi_open(struct net_device *dev)
         u32 rx_int_var, tx_int_var;
         u16 fifo_info;
 
-        i = request_irq(dev->irq, &hamachi_interrupt, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &hamachi_interrupt, IRQF_SHARED, dev->name, dev);
         if (i)
                 return i;
 
diff --git a/drivers/net/hamradio/baycom_ser_fdx.c b/drivers/net/hamradio/baycom_ser_fdx.c
index 232793d2ce6b..55906c7b4bb1 100644
--- a/drivers/net/hamradio/baycom_ser_fdx.c
+++ b/drivers/net/hamradio/baycom_ser_fdx.c
@@ -434,7 +434,7 @@ static int ser12_open(struct net_device *dev)
         outb(0, FCR(dev->base_addr));  /* disable FIFOs */
         outb(0x0d, MCR(dev->base_addr));
         outb(0, IER(dev->base_addr));
-        if (request_irq(dev->irq, ser12_interrupt, SA_INTERRUPT | SA_SHIRQ,
+        if (request_irq(dev->irq, ser12_interrupt, IRQF_DISABLED | IRQF_SHARED,
                         "baycom_ser_fdx", dev)) {
                 release_region(dev->base_addr, SER12_EXTENT);
                 return -EBUSY;
diff --git a/drivers/net/hamradio/baycom_ser_hdx.c b/drivers/net/hamradio/baycom_ser_hdx.c
index be596a3eb3fd..de95de8983da 100644
--- a/drivers/net/hamradio/baycom_ser_hdx.c
+++ b/drivers/net/hamradio/baycom_ser_hdx.c
@@ -488,7 +488,7 @@ static int ser12_open(struct net_device *dev)
         outb(0, FCR(dev->base_addr));  /* disable FIFOs */
         outb(0x0d, MCR(dev->base_addr));
         outb(0, IER(dev->base_addr));
-        if (request_irq(dev->irq, ser12_interrupt, SA_INTERRUPT | SA_SHIRQ,
+        if (request_irq(dev->irq, ser12_interrupt, IRQF_DISABLED | IRQF_SHARED,
                         "baycom_ser12", dev)) {
                 release_region(dev->base_addr, SER12_EXTENT);       
                 return -EBUSY;
diff --git a/drivers/net/hamradio/scc.c b/drivers/net/hamradio/scc.c
index b9b10caa031c..df4b68142ac7 100644
--- a/drivers/net/hamradio/scc.c
+++ b/drivers/net/hamradio/scc.c
@@ -1736,7 +1736,7 @@ static int scc_net_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
                                 
                         if (!Ivec[hwcfg.irq].used && hwcfg.irq)
                         {
-                                if (request_irq(hwcfg.irq, scc_isr, SA_INTERRUPT, "AX.25 SCC", NULL))
+                                if (request_irq(hwcfg.irq, scc_isr, IRQF_DISABLED, "AX.25 SCC", NULL))
                                         printk(KERN_WARNING "z8530drv: warning, cannot get IRQ %d\n", hwcfg.irq);
                                 else
                                         Ivec[hwcfg.irq].used = 1;
diff --git a/drivers/net/hamradio/yam.c b/drivers/net/hamradio/yam.c
index dd2f11c98530..f98f5777dfbb 100644
--- a/drivers/net/hamradio/yam.c
+++ b/drivers/net/hamradio/yam.c
@@ -873,7 +873,7 @@ static int yam_open(struct net_device *dev)
                 goto out_release_base;
         }
         outb(0, IER(dev->base_addr));
-        if (request_irq(dev->irq, yam_interrupt, SA_INTERRUPT | SA_SHIRQ, dev->name, dev)) {
+        if (request_irq(dev->irq, yam_interrupt, IRQF_DISABLED | IRQF_SHARED, dev->name, dev)) {
                 printk(KERN_ERR "%s: irq %d busy\n", dev->name, dev->irq);
                 ret = -EBUSY;
                 goto out_release_base;
diff --git a/drivers/net/hp100.c b/drivers/net/hp100.c
index dd1dc32dc98d..e7d9bf330287 100644
--- a/drivers/net/hp100.c
+++ b/drivers/net/hp100.c
@@ -1079,7 +1079,7 @@ static int hp100_open(struct net_device *dev)
         /* New: if bus is PCI or EISA, interrupts might be shared interrupts */
         if (request_irq(dev->irq, hp100_interrupt,
                         lp->bus == HP100_BUS_PCI || lp->bus ==
-                        HP100_BUS_EISA ? SA_SHIRQ : SA_INTERRUPT,
+                        HP100_BUS_EISA ? IRQF_SHARED : IRQF_DISABLED,
                         "hp100", dev)) {
                 printk("hp100: %s: unable to get IRQ %d\n", dev->name, dev->irq);
                 return -EAGAIN;
diff --git a/drivers/net/hydra.c b/drivers/net/hydra.c
index d9fb8e74e631..91326ea3e12b 100644
--- a/drivers/net/hydra.c
+++ b/drivers/net/hydra.c
@@ -117,7 +117,7 @@ static int __devinit hydra_init(struct zorro_dev *z)
     dev->irq = IRQ_AMIGA_PORTS;
 
     /* Install the Interrupt handler */
-    if (request_irq(IRQ_AMIGA_PORTS, ei_interrupt, SA_SHIRQ, "Hydra Ethernet",
+    if (request_irq(IRQ_AMIGA_PORTS, ei_interrupt, IRQF_SHARED, "Hydra Ethernet",
                     dev)) {
         free_netdev(dev);
         return -EAGAIN;
diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c
index 51fd51609ea9..2a95d72fa593 100644
--- a/drivers/net/ibmlana.c
+++ b/drivers/net/ibmlana.c
@@ -782,7 +782,7 @@ static int ibmlana_open(struct net_device *dev)
 
         /* register resources - only necessary for IRQ */
 
-        result = request_irq(priv->realirq, irq_handler, SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+        result = request_irq(priv->realirq, irq_handler, IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
         if (result != 0) {
                 printk(KERN_ERR "%s: failed to register irq %d\n", dev->name, dev->irq);
                 return result;
diff --git a/drivers/net/ioc3-eth.c b/drivers/net/ioc3-eth.c
index dbf67750d899..68d8af7df08e 100644
--- a/drivers/net/ioc3-eth.c
+++ b/drivers/net/ioc3-eth.c
@@ -1063,7 +1063,7 @@ static int ioc3_open(struct net_device *dev)
 {
         struct ioc3_private *ip = netdev_priv(dev);
 
-        if (request_irq(dev->irq, ioc3_interrupt, SA_SHIRQ, ioc3_str, dev)) {
+        if (request_irq(dev->irq, ioc3_interrupt, IRQF_SHARED, ioc3_str, dev)) {
                 printk(KERN_ERR "%s: Can't get irq %d\n", dev->name, dev->irq);
 
                 return -EAGAIN;
diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c
index 910c0cab35b0..33c07d5275da 100644
--- a/drivers/net/irda/donauboe.c
+++ b/drivers/net/irda/donauboe.c
@@ -1372,7 +1372,7 @@ toshoboe_net_open (struct net_device *dev)
     return 0;
 
   if (request_irq (self->io.irq, toshoboe_interrupt,
-                   SA_SHIRQ | SA_INTERRUPT, dev->name, (void *) self))
+                   IRQF_SHARED | IRQF_DISABLED, dev->name, (void *) self))
     {
       return -EAGAIN;
     }
@@ -1573,7 +1573,7 @@ toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid)
   self->io.fir_base = self->base;
   self->io.fir_ext = OBOE_IO_EXTENT;
   self->io.irq = pci_dev->irq;
-  self->io.irqflags = SA_SHIRQ | SA_INTERRUPT;
+  self->io.irqflags = IRQF_SHARED | IRQF_DISABLED;
 
   self->speed = self->io.speed = 9600;
   self->async = 0;
diff --git a/drivers/net/irda/vlsi_ir.c b/drivers/net/irda/vlsi_ir.c
index b9f28b14b3ae..92d646cc9edc 100644
--- a/drivers/net/irda/vlsi_ir.c
+++ b/drivers/net/irda/vlsi_ir.c
@@ -1517,7 +1517,7 @@ static int vlsi_open(struct net_device *ndev)
 
         outb(IRINTR_INT_MASK, ndev->base_addr+VLSI_PIO_IRINTR);
 
-        if (request_irq(ndev->irq, vlsi_interrupt, SA_SHIRQ,
+        if (request_irq(ndev->irq, vlsi_interrupt, IRQF_SHARED,
                         drivername, ndev)) {
                 IRDA_WARNING("%s: couldn't get IRQ: %d\n",
                              __FUNCTION__, ndev->irq);
diff --git a/drivers/net/ixgb/ixgb_main.c b/drivers/net/ixgb/ixgb_main.c
index 8bb32f946993..b91e082483f6 100644
--- a/drivers/net/ixgb/ixgb_main.c
+++ b/drivers/net/ixgb/ixgb_main.c
@@ -253,7 +253,7 @@ ixgb_up(struct ixgb_adapter *adapter)
 
 #endif
         if((err = request_irq(adapter->pdev->irq, &ixgb_intr,
-                                  SA_SHIRQ | SA_SAMPLE_RANDOM,
+                                  IRQF_SHARED | IRQF_SAMPLE_RANDOM,
                                   netdev->name, netdev))) {
                 DPRINTK(PROBE, ERR,
                  "Unable to allocate interrupt Error: %d\n", err);
diff --git a/drivers/net/ixp2000/ixpdev.c b/drivers/net/ixp2000/ixpdev.c
index 99229a0456d9..6eeb965b4d72 100644
--- a/drivers/net/ixp2000/ixpdev.c
+++ b/drivers/net/ixp2000/ixpdev.c
@@ -235,7 +235,7 @@ static int ixpdev_open(struct net_device *dev)
 
         if (!nds_open++) {
                 err = request_irq(IRQ_IXP2000_THDA0, ixpdev_interrupt,
-                                        SA_SHIRQ, "ixp2000_eth", nds);
+                                        IRQF_SHARED, "ixp2000_eth", nds);
                 if (err) {
                         nds_open--;
                         return err;
diff --git a/drivers/net/jazzsonic.c b/drivers/net/jazzsonic.c
index 272d331d29cd..661d75b4cad2 100644
--- a/drivers/net/jazzsonic.c
+++ b/drivers/net/jazzsonic.c
@@ -260,7 +260,7 @@ MODULE_DESCRIPTION("Jazz SONIC ethernet driver");
 module_param(sonic_debug, int, 0);
 MODULE_PARM_DESC(sonic_debug, "jazzsonic debug level (1-4)");
 
-#define SONIC_IRQ_FLAG SA_INTERRUPT
+#define SONIC_IRQ_FLAG IRQF_DISABLED
 
 #include "sonic.c"
 
diff --git a/drivers/net/lp486e.c b/drivers/net/lp486e.c
index bf3f343ae715..b783a6984abc 100644
--- a/drivers/net/lp486e.c
+++ b/drivers/net/lp486e.c
@@ -851,7 +851,7 @@ static int i596_open(struct net_device *dev)
 {
         int i;
 
-        i = request_irq(dev->irq, &i596_interrupt, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &i596_interrupt, IRQF_SHARED, dev->name, dev);
         if (i) {
                 printk(KERN_ERR "%s: IRQ %d not free\n", dev->name, dev->irq);
                 return i;
diff --git a/drivers/net/mipsnet.c b/drivers/net/mipsnet.c
index bbffb585b3b3..07e58f4a2916 100644
--- a/drivers/net/mipsnet.c
+++ b/drivers/net/mipsnet.c
@@ -179,7 +179,7 @@ static int mipsnet_open(struct net_device *dev)
         pr_debug("%s: mipsnet_open\n", dev->name);
 
         err = request_irq(dev->irq, &mipsnet_interrupt,
-                          SA_SHIRQ, dev->name, (void *) dev);
+                          IRQF_SHARED, dev->name, (void *) dev);
 
         if (err) {
                 pr_debug("%s: %s(): can't get irq %d\n",
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c
index 625ff61c9988..760c61b98867 100644
--- a/drivers/net/mv643xx_eth.c
+++ b/drivers/net/mv643xx_eth.c
@@ -778,7 +778,7 @@ static int mv643xx_eth_open(struct net_device *dev)
         int err;
 
         err = request_irq(dev->irq, mv643xx_eth_int_handler,
-                        SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+                        IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
         if (err) {
                 printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n",
                                                                 port_num);
diff --git a/drivers/net/myri10ge/myri10ge.c b/drivers/net/myri10ge/myri10ge.c
index dbdf189436fa..72aad42db7b4 100644
--- a/drivers/net/myri10ge/myri10ge.c
+++ b/drivers/net/myri10ge/myri10ge.c
@@ -2413,7 +2413,7 @@ static int myri10ge_resume(struct pci_dev *pdev)
         pci_enable_device(pdev);
         pci_set_master(pdev);
 
-        status = request_irq(pdev->irq, myri10ge_intr, SA_SHIRQ,
+        status = request_irq(pdev->irq, myri10ge_intr, IRQF_SHARED,
                              netdev->name, mgp);
         if (status != 0) {
                 dev_err(&pdev->dev, "failed to allocate IRQ\n");
@@ -2694,7 +2694,7 @@ static int myri10ge_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
                         mgp->msi_enabled = 1;
         }
 
-        status = request_irq(pdev->irq, myri10ge_intr, SA_SHIRQ,
+        status = request_irq(pdev->irq, myri10ge_intr, IRQF_SHARED,
                              netdev->name, mgp);
         if (status != 0) {
                 dev_err(&pdev->dev, "failed to allocate IRQ\n");
diff --git a/drivers/net/myri_sbus.c b/drivers/net/myri_sbus.c
index 19981065efb4..1b965a2b56e4 100644
--- a/drivers/net/myri_sbus.c
+++ b/drivers/net/myri_sbus.c
@@ -1069,7 +1069,7 @@ static int __init myri_ether_init(struct sbus_dev *sdev)
         /* Register interrupt handler now. */
         DET(("Requesting MYRIcom IRQ line.\n"));
         if (request_irq(dev->irq, &myri_interrupt,
-                        SA_SHIRQ, "MyriCOM Ethernet", (void *) dev)) {
+                        IRQF_SHARED, "MyriCOM Ethernet", (void *) dev)) {
                 printk("MyriCOM: Cannot register interrupt handler.\n");
                 goto err;
         }
diff --git a/drivers/net/natsemi.c b/drivers/net/natsemi.c
index 438c63f940b9..9df2628be1e7 100644
--- a/drivers/net/natsemi.c
+++ b/drivers/net/natsemi.c
@@ -1574,7 +1574,7 @@ static int netdev_open(struct net_device *dev)
         /* Reset the chip, just in case. */
         natsemi_reset(dev);
 
-        i = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
         if (i) return i;
 
         if (netif_msg_ifup(np))
diff --git a/drivers/net/ne2k-pci.c b/drivers/net/ne2k-pci.c
index ced9fdb8335c..fa50eb889408 100644
--- a/drivers/net/ne2k-pci.c
+++ b/drivers/net/ne2k-pci.c
@@ -420,7 +420,7 @@ static int ne2k_pci_set_fdx(struct net_device *dev)
 
 static int ne2k_pci_open(struct net_device *dev)
 {
-        int ret = request_irq(dev->irq, ei_interrupt, SA_SHIRQ, dev->name, dev);
+        int ret = request_irq(dev->irq, ei_interrupt, IRQF_SHARED, dev->name, dev);
         if (ret)
                 return ret;
 
diff --git a/drivers/net/netx-eth.c b/drivers/net/netx-eth.c
index b92430c4e3ac..b1311ae82675 100644
--- a/drivers/net/netx-eth.c
+++ b/drivers/net/netx-eth.c
@@ -223,7 +223,7 @@ static int netx_eth_open(struct net_device *ndev)
         struct netx_eth_priv *priv = netdev_priv(ndev);
 
         if (request_irq
-            (ndev->irq, &netx_eth_interrupt, SA_SHIRQ, ndev->name, ndev))
+            (ndev->irq, &netx_eth_interrupt, IRQF_SHARED, ndev->name, ndev))
                 return -EAGAIN;
 
         writel(ndev->dev_addr[0] |
diff --git a/drivers/net/ns83820.c b/drivers/net/ns83820.c
index deedd7b2af5d..70429108c40d 100644
--- a/drivers/net/ns83820.c
+++ b/drivers/net/ns83820.c
@@ -1881,7 +1881,7 @@ static int __devinit ns83820_init_one(struct pci_dev *pci_dev, const struct pci_
 
         dev->IMR_cache = 0;
 
-        err = request_irq(pci_dev->irq, ns83820_irq, SA_SHIRQ,
+        err = request_irq(pci_dev->irq, ns83820_irq, IRQF_SHARED,
                           DRV_NAME, ndev);
         if (err) {
                 printk(KERN_INFO "ns83820: unable to register irq %d\n",
diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c
index 978b95afc721..3388ee1313ea 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -1075,7 +1075,7 @@ static int netdrv_open (struct net_device *dev)
 
         DPRINTK ("ENTER\n");
 
-        retval = request_irq (dev->irq, netdrv_interrupt, SA_SHIRQ, dev->name, dev);
+        retval = request_irq (dev->irq, netdrv_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval) {
                 DPRINTK ("EXIT, returning %d\n", retval);
                 return retval;
diff --git a/drivers/net/pcmcia/axnet_cs.c b/drivers/net/pcmcia/axnet_cs.c
index 2ea66aca648b..297e9f805366 100644
--- a/drivers/net/pcmcia/axnet_cs.c
+++ b/drivers/net/pcmcia/axnet_cs.c
@@ -535,7 +535,7 @@ static int axnet_open(struct net_device *dev)
 
     link->open++;
 
-    request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, "axnet_cs", dev);
+    request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, "axnet_cs", dev);
 
     info->link_status = 0x00;
     init_timer(&info->watchdog);
diff --git a/drivers/net/pcmcia/pcnet_cs.c b/drivers/net/pcmcia/pcnet_cs.c
index 661bfe54ff5d..0ecebfc31f07 100644
--- a/drivers/net/pcmcia/pcnet_cs.c
+++ b/drivers/net/pcmcia/pcnet_cs.c
@@ -998,7 +998,7 @@ static int pcnet_open(struct net_device *dev)
     link->open++;
 
     set_misc_reg(dev);
-    request_irq(dev->irq, ei_irq_wrapper, SA_SHIRQ, dev_info, dev);
+    request_irq(dev->irq, ei_irq_wrapper, IRQF_SHARED, dev_info, dev);
 
     info->phy_id = info->eth_phy;
     info->link_status = 0x00;
diff --git a/drivers/net/pcnet32.c b/drivers/net/pcnet32.c
index 0e01c75da429..d768f3d1ac28 100644
--- a/drivers/net/pcnet32.c
+++ b/drivers/net/pcnet32.c
@@ -1541,7 +1541,7 @@ static int pcnet32_open(struct net_device *dev)
         unsigned long flags;
 
         if (request_irq(dev->irq, &pcnet32_interrupt,
-                        lp->shared_irq ? SA_SHIRQ : 0, dev->name,
+                        lp->shared_irq ? IRQF_SHARED : 0, dev->name,
                         (void *)dev)) {
                 return -EAGAIN;
         }
diff --git a/drivers/net/phy/phy.c b/drivers/net/phy/phy.c
index 44bcd3eb2b83..7d5c2233c252 100644
--- a/drivers/net/phy/phy.c
+++ b/drivers/net/phy/phy.c
@@ -556,7 +556,7 @@ int phy_start_interrupts(struct phy_device *phydev)
         INIT_WORK(&phydev->phy_queue, phy_change, phydev);
 
         if (request_irq(phydev->irq, phy_interrupt,
-                                SA_SHIRQ,
+                                IRQF_SHARED,
                                 "phy_interrupt",
                                 phydev) < 0) {
                 printk(KERN_WARNING "%s: Can't get IRQ %d (PHY)\n",
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 12d1cb289bb0..16a0ef1b1369 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -1726,7 +1726,7 @@ static int rtl8169_open(struct net_device *dev)
         rtl8169_set_rxbufsize(tp, dev);
 
         retval =
-            request_irq(dev->irq, rtl8169_interrupt, SA_SHIRQ, dev->name, dev);
+            request_irq(dev->irq, rtl8169_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval < 0)
                 goto out;
 
diff --git a/drivers/net/rrunner.c b/drivers/net/rrunner.c
index 757c542ac40a..c3ed734cbe39 100644
--- a/drivers/net/rrunner.c
+++ b/drivers/net/rrunner.c
@@ -1252,7 +1252,7 @@ static int rr_open(struct net_device *dev)
         readl(&regs->HostCtrl);
         spin_unlock_irqrestore(&rrpriv->lock, flags);
 
-        if (request_irq(dev->irq, rr_interrupt, SA_SHIRQ, dev->name, dev)) {
+        if (request_irq(dev->irq, rr_interrupt, IRQF_SHARED, dev->name, dev)) {
                 printk(KERN_WARNING "%s: Requested IRQ %d is busy\n",
                        dev->name, dev->irq);
                 ecode = -EAGAIN;
diff --git a/drivers/net/s2io.c b/drivers/net/s2io.c
index 001344c0763e..c6b77acb35ef 100644
--- a/drivers/net/s2io.c
+++ b/drivers/net/s2io.c
@@ -3761,7 +3761,7 @@ static int s2io_open(struct net_device *dev)
         /* After proper initialization of H/W, register ISR */
         if (sp->intr_type == MSI) {
                 err = request_irq((int) sp->pdev->irq, s2io_msi_handle, 
-                        SA_SHIRQ, sp->name, dev);
+                        IRQF_SHARED, sp->name, dev);
                 if (err) {
                         DBG_PRINT(ERR_DBG, "%s: MSI registration \
 failed\n", dev->name);
@@ -3799,7 +3799,7 @@ failed\n", dev->name, i);
                 }
         }
         if (sp->intr_type == INTA) {
-                err = request_irq((int) sp->pdev->irq, s2io_isr, SA_SHIRQ,
+                err = request_irq((int) sp->pdev->irq, s2io_isr, IRQF_SHARED,
                                 sp->name, dev);
                 if (err) {
                         DBG_PRINT(ERR_DBG, "%s: ISR registration failed\n",
diff --git a/drivers/net/sb1250-mac.c b/drivers/net/sb1250-mac.c
index c7b5f0004e54..9ab1618e82a4 100644
--- a/drivers/net/sb1250-mac.c
+++ b/drivers/net/sb1250-mac.c
@@ -2450,7 +2450,7 @@ static int sbmac_open(struct net_device *dev)
          */
 
         __raw_readq(sc->sbm_isr);
-        if (request_irq(dev->irq, &sbmac_intr, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, &sbmac_intr, IRQF_SHARED, dev->name, dev))
                 return -EBUSY;
 
         /*
diff --git a/drivers/net/sis190.c b/drivers/net/sis190.c
index df39f3447655..df0cbebb3277 100644
--- a/drivers/net/sis190.c
+++ b/drivers/net/sis190.c
@@ -1054,7 +1054,7 @@ static int sis190_open(struct net_device *dev)
 
         sis190_request_timer(dev);
 
-        rc = request_irq(dev->irq, sis190_interrupt, SA_SHIRQ, dev->name, dev);
+        rc = request_irq(dev->irq, sis190_interrupt, IRQF_SHARED, dev->name, dev);
         if (rc < 0)
                 goto err_release_timer_2;
 
diff --git a/drivers/net/sis900.c b/drivers/net/sis900.c
index d05874172209..29ee7ffedfff 100644
--- a/drivers/net/sis900.c
+++ b/drivers/net/sis900.c
@@ -1013,7 +1013,7 @@ sis900_open(struct net_device *net_dev)
         /* Equalizer workaround Rule */
         sis630_set_eq(net_dev, sis_priv->chipset_rev);
 
-        ret = request_irq(net_dev->irq, &sis900_interrupt, SA_SHIRQ,
+        ret = request_irq(net_dev->irq, &sis900_interrupt, IRQF_SHARED,
                                                 net_dev->name, net_dev);
         if (ret)
                 return ret;
diff --git a/drivers/net/sk98lin/skge.c b/drivers/net/sk98lin/skge.c
index f3efbd177ae7..ee62845d3ac9 100644
--- a/drivers/net/sk98lin/skge.c
+++ b/drivers/net/sk98lin/skge.c
@@ -570,9 +570,9 @@ SK_BOOL	DualNet;
         spin_unlock_irqrestore(&pAC->SlowPathLock, Flags);
 
         if (pAC->GIni.GIMacsFound == 2) {
-                 Ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev);
+                 Ret = request_irq(dev->irq, SkGeIsr, IRQF_SHARED, "sk98lin", dev);
         } else if (pAC->GIni.GIMacsFound == 1) {
-                Ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ,
+                Ret = request_irq(dev->irq, SkGeIsrOnePort, IRQF_SHARED,
                         "sk98lin", dev);
         } else {
                 printk(KERN_WARNING "sk98lin: Illegal number of ports: %d\n",
@@ -5073,9 +5073,9 @@ static int skge_resume(struct pci_dev *pdev)
         pci_enable_device(pdev);
         pci_set_master(pdev);
         if (pAC->GIni.GIMacsFound == 2)
-                ret = request_irq(dev->irq, SkGeIsr, SA_SHIRQ, "sk98lin", dev);
+                ret = request_irq(dev->irq, SkGeIsr, IRQF_SHARED, "sk98lin", dev);
         else
-                ret = request_irq(dev->irq, SkGeIsrOnePort, SA_SHIRQ, "sk98lin", dev);
+                ret = request_irq(dev->irq, SkGeIsrOnePort, IRQF_SHARED, "sk98lin", dev);
         if (ret) {
                 printk(KERN_WARNING "sk98lin: unable to acquire IRQ %d\n", dev->irq);
                 pAC->AllocFlag &= ~SK_ALLOC_IRQ;
diff --git a/drivers/net/sk_mca.c b/drivers/net/sk_mca.c
index e5d6d95960c7..799e09801934 100644
--- a/drivers/net/sk_mca.c
+++ b/drivers/net/sk_mca.c
@@ -824,7 +824,7 @@ static int skmca_open(struct net_device *dev)
         /* register resources - only necessary for IRQ */
         result =
             request_irq(priv->realirq, irq_handler,
-                        SA_SHIRQ | SA_SAMPLE_RANDOM, "sk_mca", dev);
+                        IRQF_SHARED | IRQF_SAMPLE_RANDOM, "sk_mca", dev);
         if (result != 0) {
                 printk("%s: failed to register irq %d\n", dev->name,
                        dev->irq);
diff --git a/drivers/net/skfp/skfddi.c b/drivers/net/skfp/skfddi.c
index c7fb6133047e..b5714a60237d 100644
--- a/drivers/net/skfp/skfddi.c
+++ b/drivers/net/skfp/skfddi.c
@@ -497,7 +497,7 @@ static int skfp_open(struct net_device *dev)
 
         PRINTK(KERN_INFO "entering skfp_open\n");
         /* Register IRQ - support shared interrupts by passing device ptr */
-        err = request_irq(dev->irq, (void *) skfp_interrupt, SA_SHIRQ,
+        err = request_irq(dev->irq, (void *) skfp_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err)
                 return err;
diff --git a/drivers/net/skge.c b/drivers/net/skge.c
index 82df13be3d40..82200bfaa8ed 100644
--- a/drivers/net/skge.c
+++ b/drivers/net/skge.c
@@ -3341,7 +3341,7 @@ static int __devinit skge_probe(struct pci_dev *pdev,
                 goto err_out_free_hw;
         }
 
-        err = request_irq(pdev->irq, skge_intr, SA_SHIRQ, DRV_NAME, hw);
+        err = request_irq(pdev->irq, skge_intr, IRQF_SHARED, DRV_NAME, hw);
         if (err) {
                 printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
                        pci_name(pdev), pdev->irq);
diff --git a/drivers/net/sky2.c b/drivers/net/sky2.c
index 3f1b0fef13e7..418f169a6a31 100644
--- a/drivers/net/sky2.c
+++ b/drivers/net/sky2.c
@@ -3188,7 +3188,7 @@ static int __devinit sky2_test_msi(struct sky2_hw *hw)
 
         sky2_write32(hw, B0_IMSK, Y2_IS_IRQ_SW);
 
-        err = request_irq(pdev->irq, sky2_test_intr, SA_SHIRQ, DRV_NAME, hw);
+        err = request_irq(pdev->irq, sky2_test_intr, IRQF_SHARED, DRV_NAME, hw);
         if (err) {
                 printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
                        pci_name(pdev), pdev->irq);
@@ -3348,7 +3348,7 @@ static int __devinit sky2_probe(struct pci_dev *pdev,
                         goto err_out_unregister;
         }
 
-        err = request_irq(pdev->irq,  sky2_intr, SA_SHIRQ, DRV_NAME, hw);
+        err = request_irq(pdev->irq,  sky2_intr, IRQF_SHARED, DRV_NAME, hw);
         if (err) {
                 printk(KERN_ERR PFX "%s: cannot assign irq %d\n",
                        pci_name(pdev), pdev->irq);
diff --git a/drivers/net/smc-ultra32.c b/drivers/net/smc-ultra32.c
index ff9bd97746dc..85be22a05973 100644
--- a/drivers/net/smc-ultra32.c
+++ b/drivers/net/smc-ultra32.c
@@ -290,7 +290,7 @@ out:
 static int ultra32_open(struct net_device *dev)
 {
         int ioaddr = dev->base_addr - ULTRA32_NIC_OFFSET; /* ASIC addr */
-        int irq_flags = (inb(ioaddr + ULTRA32_CFG5) & 0x08) ? 0 : SA_SHIRQ;
+        int irq_flags = (inb(ioaddr + ULTRA32_CFG5) & 0x08) ? 0 : IRQF_SHARED;
         int retval;
 
         retval = request_irq(dev->irq, ei_interrupt, irq_flags, dev->name, dev);
diff --git a/drivers/net/smc911x.c b/drivers/net/smc911x.c
index bdd8702ead54..d37bd860b336 100644
--- a/drivers/net/smc911x.c
+++ b/drivers/net/smc911x.c
@@ -2081,7 +2081,7 @@ static int __init smc911x_probe(struct net_device *dev, unsigned long ioaddr)
         lp->ctl_rspeed = 100;
 
         /* Grab the IRQ */
-        retval = request_irq(dev->irq, &smc911x_interrupt, SA_SHIRQ, dev->name, dev);
+        retval = request_irq(dev->irq, &smc911x_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval)
                 goto err_out;
 
diff --git a/drivers/net/smc91x.h b/drivers/net/smc91x.h
index bf776125ca38..b4028049ed76 100644
--- a/drivers/net/smc91x.h
+++ b/drivers/net/smc91x.h
@@ -207,7 +207,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
                    machine_is_omap_h2() \
                 || machine_is_omap_h3() \
                 || (machine_is_omap_innovator() && !cpu_is_omap1510()) \
-        ) ? SA_TRIGGER_FALLING : SA_TRIGGER_RISING)
+        ) ? IRQF_TRIGGER_FALLING : IRQF_TRIGGER_RISING)
 
 
 #elif   defined(CONFIG_SH_SH4202_MICRODEV)
@@ -540,7 +540,7 @@ smc_pxa_dma_irq(int dma, void *dummy, struct pt_regs *regs)
 #endif
 
 #ifndef SMC_IRQ_FLAGS
-#define SMC_IRQ_FLAGS           SA_TRIGGER_RISING
+#define SMC_IRQ_FLAGS           IRQF_TRIGGER_RISING
 #endif
 
 #ifndef SMC_INTERRUPT_PREAMBLE
diff --git a/drivers/net/spider_net.c b/drivers/net/spider_net.c
index e0b72676922c..fb1d5a8a45cf 100644
--- a/drivers/net/spider_net.c
+++ b/drivers/net/spider_net.c
@@ -1744,7 +1744,7 @@ spider_net_open(struct net_device *netdev)
 
         result = -EBUSY;
         if (request_irq(netdev->irq, spider_net_interrupt,
-                             SA_SHIRQ, netdev->name, netdev))
+                             IRQF_SHARED, netdev->name, netdev))
                 goto register_int_failed;
 
         spider_net_enable_card(card);
diff --git a/drivers/net/starfire.c b/drivers/net/starfire.c
index f91be95356a4..ed1f59901ff4 100644
--- a/drivers/net/starfire.c
+++ b/drivers/net/starfire.c
@@ -1070,7 +1070,7 @@ static int netdev_open(struct net_device *dev)
 
         /* Do we ever need to reset the chip??? */
 
-        retval = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
+        retval = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
         if (retval)
                 return retval;
 
diff --git a/drivers/net/sun3lance.c b/drivers/net/sun3lance.c
index a2fad50437e6..2dcadb169a22 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -341,7 +341,7 @@ static int __init lance_probe( struct net_device *dev)
 
         REGA(CSR0) = CSR0_STOP; 
 
-        request_irq(LANCE_IRQ, lance_interrupt, SA_INTERRUPT, "SUN3 Lance", dev);
+        request_irq(LANCE_IRQ, lance_interrupt, IRQF_DISABLED, "SUN3 Lance", dev);
         dev->irq = (unsigned short)LANCE_IRQ;
 
 
diff --git a/drivers/net/sunbmac.c b/drivers/net/sunbmac.c
index 7127f0f36f0e..d46891510767 100644
--- a/drivers/net/sunbmac.c
+++ b/drivers/net/sunbmac.c
@@ -918,7 +918,7 @@ static int bigmac_open(struct net_device *dev)
         struct bigmac *bp = (struct bigmac *) dev->priv;
         int ret;
 
-        ret = request_irq(dev->irq, &bigmac_interrupt, SA_SHIRQ, dev->name, bp);
+        ret = request_irq(dev->irq, &bigmac_interrupt, IRQF_SHARED, dev->name, bp);
         if (ret) {
                 printk(KERN_ERR "BIGMAC: Can't order irq %d to go.\n", dev->irq);
                 return ret;
diff --git a/drivers/net/sundance.c b/drivers/net/sundance.c
index f13b2a195c70..643fceae3db5 100644
--- a/drivers/net/sundance.c
+++ b/drivers/net/sundance.c
@@ -870,7 +870,7 @@ static int netdev_open(struct net_device *dev)
 
         /* Do we need to reset the chip??? */
 
-        i = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
         if (i)
                 return i;
 
diff --git a/drivers/net/sungem.c b/drivers/net/sungem.c
index 5248670d29f7..b70bbd748978 100644
--- a/drivers/net/sungem.c
+++ b/drivers/net/sungem.c
@@ -2220,7 +2220,7 @@ static int gem_do_start(struct net_device *dev)
         spin_unlock_irqrestore(&gp->lock, flags);
 
         if (request_irq(gp->pdev->irq, gem_interrupt,
-                                   SA_SHIRQ, dev->name, (void *)dev)) {
+                                   IRQF_SHARED, dev->name, (void *)dev)) {
                 printk(KERN_ERR "%s: failed to request irq !\n", gp->dev->name);
 
                 spin_lock_irqsave(&gp->lock, flags);
diff --git a/drivers/net/sunhme.c b/drivers/net/sunhme.c
index d85b83204f6b..8673fd4c08c7 100644
--- a/drivers/net/sunhme.c
+++ b/drivers/net/sunhme.c
@@ -2194,7 +2194,7 @@ static int happy_meal_open(struct net_device *dev)
          */
         if ((hp->happy_flags & (HFLAG_QUATTRO|HFLAG_PCI)) != HFLAG_QUATTRO) {
                 if (request_irq(dev->irq, &happy_meal_interrupt,
-                                SA_SHIRQ, dev->name, (void *)dev)) {
+                                IRQF_SHARED, dev->name, (void *)dev)) {
                         HMD(("EAGAIN\n"));
                         printk(KERN_ERR "happy_meal(SBUS): Can't order irq %d to go.\n",
                                dev->irq);
@@ -2608,7 +2608,7 @@ static void __init quattro_sbus_register_irqs(void)
 
                 err = request_irq(sdev->irqs[0],
                                   quattro_sbus_interrupt,
-                                  SA_SHIRQ, "Quattro",
+                                  IRQF_SHARED, "Quattro",
                                   qp);
                 if (err != 0) {
                         printk(KERN_ERR "Quattro: Fatal IRQ registery error %d.\n", err);
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 5b0b60f4d20e..1ef9fd39a79a 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -930,7 +930,7 @@ static int lance_open(struct net_device *dev)
 
         STOP_LANCE(lp);
 
-        if (request_irq(dev->irq, &lance_interrupt, SA_SHIRQ,
+        if (request_irq(dev->irq, &lance_interrupt, IRQF_SHARED,
                         lancestr, (void *) dev)) {
                 printk(KERN_ERR "Lance: Can't get irq %d\n", dev->irq);
                 return -EAGAIN;
diff --git a/drivers/net/sunqe.c b/drivers/net/sunqe.c
index 9da6d5b87173..817a40b66638 100644
--- a/drivers/net/sunqe.c
+++ b/drivers/net/sunqe.c
@@ -811,7 +811,7 @@ static struct sunqec * __init get_qec(struct sbus_dev *child_sdev)
                         qec_init_once(qecp, qec_sdev);
 
                         if (request_irq(qec_sdev->irqs[0], &qec_interrupt,
-                                        SA_SHIRQ, "qec", (void *) qecp)) {
+                                        IRQF_SHARED, "qec", (void *) qecp)) {
                                 printk(KERN_ERR "qec: Can't register irq.\n");
                                 goto fail;
                         }
diff --git a/drivers/net/tc35815.c b/drivers/net/tc35815.c
index c2ec9fd8c31d..8b53ded66d37 100644
--- a/drivers/net/tc35815.c
+++ b/drivers/net/tc35815.c
@@ -880,7 +880,7 @@ tc35815_open(struct net_device *dev)
          */
 
         if (dev->irq == 0  ||
-            request_irq(dev->irq, &tc35815_interrupt, SA_SHIRQ, cardname, dev)) {
+            request_irq(dev->irq, &tc35815_interrupt, IRQF_SHARED, cardname, dev)) {
                 return -EAGAIN;
         }
 
diff --git a/drivers/net/tg3.c b/drivers/net/tg3.c
index 953255e92633..e5e1b2962936 100644
--- a/drivers/net/tg3.c
+++ b/drivers/net/tg3.c
@@ -6702,12 +6702,12 @@ static int tg3_request_irq(struct tg3 *tp)
                 fn = tg3_msi;
                 if (tp->tg3_flags2 & TG3_FLG2_1SHOT_MSI)
                         fn = tg3_msi_1shot;
-                flags = SA_SAMPLE_RANDOM;
+                flags = IRQF_SAMPLE_RANDOM;
         } else {
                 fn = tg3_interrupt;
                 if (tp->tg3_flags & TG3_FLAG_TAGGED_STATUS)
                         fn = tg3_interrupt_tagged;
-                flags = SA_SHIRQ | SA_SAMPLE_RANDOM;
+                flags = IRQF_SHARED | IRQF_SAMPLE_RANDOM;
         }
         return (request_irq(tp->pdev->irq, fn, flags, dev->name, dev));
 }
@@ -6726,7 +6726,7 @@ static int tg3_test_interrupt(struct tg3 *tp)
         free_irq(tp->pdev->irq, dev);
 
         err = request_irq(tp->pdev->irq, tg3_test_isr,
-                          SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev);
+                          IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev);
         if (err)
                 return err;
 
diff --git a/drivers/net/tlan.c b/drivers/net/tlan.c
index 12076f8f942c..23c0017f25a9 100644
--- a/drivers/net/tlan.c
+++ b/drivers/net/tlan.c
@@ -943,7 +943,7 @@ static int TLan_Open( struct net_device *dev )
         int             err;
         
         priv->tlanRev = TLan_DioRead8( dev->base_addr, TLAN_DEF_REVISION );
-        err = request_irq( dev->irq, TLan_HandleInterrupt, SA_SHIRQ, TLanSignature, dev );
+        err = request_irq( dev->irq, TLan_HandleInterrupt, IRQF_SHARED, TLanSignature, dev );
         
         if ( err ) {
                 printk(KERN_ERR "TLAN:  Cannot open %s because IRQ %d is already in use.\n", dev->name, dev->irq );
diff --git a/drivers/net/tokenring/3c359.c b/drivers/net/tokenring/3c359.c
index 77bb298129d7..465921e3874c 100644
--- a/drivers/net/tokenring/3c359.c
+++ b/drivers/net/tokenring/3c359.c
@@ -576,7 +576,7 @@ static int xl_open(struct net_device *dev)
 
         u16 switchsettings, switchsettings_eeprom  ;
  
-        if(request_irq(dev->irq, &xl_interrupt, SA_SHIRQ , "3c359", dev)) {
+        if(request_irq(dev->irq, &xl_interrupt, IRQF_SHARED , "3c359", dev)) {
                 return -EAGAIN;
         }
 
diff --git a/drivers/net/tokenring/abyss.c b/drivers/net/tokenring/abyss.c
index 649d8ea354f5..1bdd3beefbe5 100644
--- a/drivers/net/tokenring/abyss.c
+++ b/drivers/net/tokenring/abyss.c
@@ -123,7 +123,7 @@ static int __devinit abyss_attach(struct pci_dev *pdev, const struct pci_device_
                 goto err_out_trdev;
         }
                 
-        ret = request_irq(pdev->irq, tms380tr_interrupt, SA_SHIRQ,
+        ret = request_irq(pdev->irq, tms380tr_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (ret)
                 goto err_out_region;
diff --git a/drivers/net/tokenring/lanstreamer.c b/drivers/net/tokenring/lanstreamer.c
index 30dcdaebf41a..28d968ffd5d0 100644
--- a/drivers/net/tokenring/lanstreamer.c
+++ b/drivers/net/tokenring/lanstreamer.c
@@ -601,7 +601,7 @@ static int streamer_open(struct net_device *dev)
                 rc=streamer_reset(dev);
         }
 
-        if (request_irq(dev->irq, &streamer_interrupt, SA_SHIRQ, "lanstreamer", dev)) {
+        if (request_irq(dev->irq, &streamer_interrupt, IRQF_SHARED, "lanstreamer", dev)) {
                 return -EAGAIN;
         }
 #if STREAMER_DEBUG
diff --git a/drivers/net/tokenring/madgemc.c b/drivers/net/tokenring/madgemc.c
index 19e6f4dfd69c..666bbaaae82f 100644
--- a/drivers/net/tokenring/madgemc.c
+++ b/drivers/net/tokenring/madgemc.c
@@ -311,7 +311,7 @@ static int __devinit madgemc_probe(struct device *device)
          */ 
         outb(0, dev->base_addr + MC_CONTROL_REG0); /* sanity */
         madgemc_setsifsel(dev, 1);
-        if (request_irq(dev->irq, madgemc_interrupt, SA_SHIRQ,
+        if (request_irq(dev->irq, madgemc_interrupt, IRQF_SHARED,
                        "madgemc", dev)) {
                 ret = -EBUSY;
                 goto getout3;
diff --git a/drivers/net/tokenring/olympic.c b/drivers/net/tokenring/olympic.c
index d7a30d99ae8f..85831484bc40 100644
--- a/drivers/net/tokenring/olympic.c
+++ b/drivers/net/tokenring/olympic.c
@@ -445,7 +445,7 @@ static int olympic_open(struct net_device *dev)
 
         olympic_init(dev);
 
-        if(request_irq(dev->irq, &olympic_interrupt, SA_SHIRQ , "olympic", dev)) {
+        if(request_irq(dev->irq, &olympic_interrupt, IRQF_SHARED , "olympic", dev)) {
                 return -EAGAIN;
         }
 
diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c
index f2807ab5a2be..cd2e0251e2bc 100644
--- a/drivers/net/tokenring/smctr.c
+++ b/drivers/net/tokenring/smctr.c
@@ -531,7 +531,7 @@ static int __init smctr_chk_mca(struct net_device *dev)
                         dev->irq = 15;
                         break;
         }
-        if (request_irq(dev->irq, smctr_interrupt, SA_SHIRQ, smctr_name, dev)) {
+        if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev)) {
                 release_region(dev->base_addr, SMCTR_IO_EXTENT);
                 return -ENODEV;
         }
@@ -1061,7 +1061,7 @@ static int __init smctr_chk_isa(struct net_device *dev)
                         goto out2;
          }
 
-        if (request_irq(dev->irq, smctr_interrupt, SA_SHIRQ, smctr_name, dev))
+        if (request_irq(dev->irq, smctr_interrupt, IRQF_SHARED, smctr_name, dev))
                 goto out2;
 
         /* Get 58x Rom Base */
diff --git a/drivers/net/tokenring/tmspci.c b/drivers/net/tokenring/tmspci.c
index ab47c0547a3b..7d3e270c4f45 100644
--- a/drivers/net/tokenring/tmspci.c
+++ b/drivers/net/tokenring/tmspci.c
@@ -122,7 +122,7 @@ static int __devinit tms_pci_attach(struct pci_dev *pdev, const struct pci_devic
                 goto err_out_trdev;
         }
 
-        ret = request_irq(pdev->irq, tms380tr_interrupt, SA_SHIRQ,
+        ret = request_irq(pdev->irq, tms380tr_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (ret)
                 goto err_out_region;
diff --git a/drivers/net/tulip/de2104x.c b/drivers/net/tulip/de2104x.c
index 354294c6271e..d05c5aa254ee 100644
--- a/drivers/net/tulip/de2104x.c
+++ b/drivers/net/tulip/de2104x.c
@@ -1371,7 +1371,7 @@ static int de_open (struct net_device *dev)
 
         dw32(IntrMask, 0);
 
-        rc = request_irq(dev->irq, de_interrupt, SA_SHIRQ, dev->name, dev);
+        rc = request_irq(dev->irq, de_interrupt, IRQF_SHARED, dev->name, dev);
         if (rc) {
                 printk(KERN_ERR "%s: IRQ %d request failure, err=%d\n",
                        dev->name, dev->irq, rc);
diff --git a/drivers/net/tulip/de4x5.c b/drivers/net/tulip/de4x5.c
index 2647a5bc5211..75ff14a55239 100644
--- a/drivers/net/tulip/de4x5.c
+++ b/drivers/net/tulip/de4x5.c
@@ -292,7 +292,7 @@
       0.41    21-Mar-96   Don't check for get_hw_addr checksum unless DEC card
                           only <niles@axp745gsfc.nasa.gov>
                           Fix for multiple PCI cards reported by <jos@xos.nl>
-                          Duh, put the SA_SHIRQ flag into request_interrupt().
+                          Duh, put the IRQF_SHARED flag into request_interrupt().
                           Fix SMC ethernet address in enet_det[].
                           Print chip name instead of "UNKNOWN" during boot.
       0.42    26-Apr-96   Fix MII write TA bit error.
@@ -353,7 +353,7 @@
                            infoblocks.
                           Added DC21142 and DC21143 functions.
                           Added byte counters from <phil@tazenda.demon.co.uk>
-                          Added SA_INTERRUPT temporary fix from
+                          Added IRQF_DISABLED temporary fix from
                            <mjacob@feral.com>.
       0.53   12-Nov-97    Fix the *_probe() to include 'eth??' name during
                            module load: bug reported by
@@ -1319,10 +1319,10 @@ de4x5_open(struct net_device *dev)
     lp->state = OPEN;
     de4x5_dbg_open(dev);
 
-    if (request_irq(dev->irq, (void *)de4x5_interrupt, SA_SHIRQ,
+    if (request_irq(dev->irq, (void *)de4x5_interrupt, IRQF_SHARED,
                                                      lp->adapter_name, dev)) {
         printk("de4x5_open(): Requested IRQ%d is busy - attemping FAST/SHARE...", dev->irq);
-        if (request_irq(dev->irq, de4x5_interrupt, SA_INTERRUPT | SA_SHIRQ,
+        if (request_irq(dev->irq, de4x5_interrupt, IRQF_DISABLED | IRQF_SHARED,
                                                      lp->adapter_name, dev)) {
             printk("\n              Cannot get IRQ- reconfigure your hardware.\n");
             disable_ast(dev);
diff --git a/drivers/net/tulip/dmfe.c b/drivers/net/tulip/dmfe.c
index ba5b112093f4..4e5b0f2acc39 100644
--- a/drivers/net/tulip/dmfe.c
+++ b/drivers/net/tulip/dmfe.c
@@ -506,7 +506,7 @@ static int dmfe_open(struct DEVICE *dev)
 
         DMFE_DBUG(0, "dmfe_open", 0);
 
-        ret = request_irq(dev->irq, &dmfe_interrupt, SA_SHIRQ, dev->name, dev);
+        ret = request_irq(dev->irq, &dmfe_interrupt, IRQF_SHARED, dev->name, dev);
         if (ret)
                 return ret;
 
diff --git a/drivers/net/tulip/tulip_core.c b/drivers/net/tulip/tulip_core.c
index 8f4f4840fc12..7351831f57ce 100644
--- a/drivers/net/tulip/tulip_core.c
+++ b/drivers/net/tulip/tulip_core.c
@@ -489,7 +489,7 @@ tulip_open(struct net_device *dev)
 {
         int retval;
 
-        if ((retval = request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev)))
+        if ((retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev)))
                 return retval;
 
         tulip_init_ring (dev);
@@ -1770,7 +1770,7 @@ static int tulip_resume(struct pci_dev *pdev)
 
         pci_enable_device(pdev);
 
-        if ((retval = request_irq(dev->irq, &tulip_interrupt, SA_SHIRQ, dev->name, dev))) {
+        if ((retval = request_irq(dev->irq, &tulip_interrupt, IRQF_SHARED, dev->name, dev))) {
                 printk (KERN_ERR "tulip: request_irq failed in resume\n");
                 return retval;
         }
diff --git a/drivers/net/tulip/uli526x.c b/drivers/net/tulip/uli526x.c
index 8b3a28f53c3d..fd64b2b3e99c 100644
--- a/drivers/net/tulip/uli526x.c
+++ b/drivers/net/tulip/uli526x.c
@@ -436,7 +436,7 @@ static int uli526x_open(struct net_device *dev)
 
         ULI526X_DBUG(0, "uli526x_open", 0);
 
-        ret = request_irq(dev->irq, &uli526x_interrupt, SA_SHIRQ, dev->name, dev);
+        ret = request_irq(dev->irq, &uli526x_interrupt, IRQF_SHARED, dev->name, dev);
         if (ret)
                 return ret;
 
diff --git a/drivers/net/tulip/winbond-840.c b/drivers/net/tulip/winbond-840.c
index 602a6e5002a0..b4c0d101a7d7 100644
--- a/drivers/net/tulip/winbond-840.c
+++ b/drivers/net/tulip/winbond-840.c
@@ -658,7 +658,7 @@ static int netdev_open(struct net_device *dev)
         iowrite32(0x00000001, ioaddr + PCIBusCfg);              /* Reset */
 
         netif_device_detach(dev);
-        i = request_irq(dev->irq, &intr_handler, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &intr_handler, IRQF_SHARED, dev->name, dev);
         if (i)
                 goto out_err;
 
diff --git a/drivers/net/tulip/xircom_cb.c b/drivers/net/tulip/xircom_cb.c
index 63c2175ed138..f874e4f6ccf6 100644
--- a/drivers/net/tulip/xircom_cb.c
+++ b/drivers/net/tulip/xircom_cb.c
@@ -457,7 +457,7 @@ static int xircom_open(struct net_device *dev)
         int retval;
         enter("xircom_open");
         printk(KERN_INFO "xircom cardbus adaptor found, registering as %s, using irq %i \n",dev->name,dev->irq);
-        retval = request_irq(dev->irq, &xircom_interrupt, SA_SHIRQ, dev->name, dev);
+        retval = request_irq(dev->irq, &xircom_interrupt, IRQF_SHARED, dev->name, dev);
         if (retval) {
                 leave("xircom_open - No IRQ");
                 return retval;
diff --git a/drivers/net/tulip/xircom_tulip_cb.c b/drivers/net/tulip/xircom_tulip_cb.c
index aecafdabbc91..091ebb7a62f6 100644
--- a/drivers/net/tulip/xircom_tulip_cb.c
+++ b/drivers/net/tulip/xircom_tulip_cb.c
@@ -807,7 +807,7 @@ xircom_open(struct net_device *dev)
 {
         struct xircom_private *tp = netdev_priv(dev);
 
-        if (request_irq(dev->irq, &xircom_interrupt, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, &xircom_interrupt, IRQF_SHARED, dev->name, dev))
                 return -EAGAIN;
 
         xircom_up(dev);
diff --git a/drivers/net/typhoon.c b/drivers/net/typhoon.c
index e24d2dafcf6c..063816f2b11e 100644
--- a/drivers/net/typhoon.c
+++ b/drivers/net/typhoon.c
@@ -2131,7 +2131,7 @@ typhoon_open(struct net_device *dev)
                 goto out_sleep;
         }
 
-        err = request_irq(dev->irq, &typhoon_interrupt, SA_SHIRQ,
+        err = request_irq(dev->irq, &typhoon_interrupt, IRQF_SHARED,
                                 dev->name, dev);
         if(err < 0)
                 goto out_sleep;
diff --git a/drivers/net/via-rhine.c b/drivers/net/via-rhine.c
index c80a4f1d5f7a..98b6f3207d3d 100644
--- a/drivers/net/via-rhine.c
+++ b/drivers/net/via-rhine.c
@@ -1210,7 +1210,7 @@ static int rhine_open(struct net_device *dev)
         void __iomem *ioaddr = rp->base;
         int rc;
 
-        rc = request_irq(rp->pdev->irq, &rhine_interrupt, SA_SHIRQ, dev->name,
+        rc = request_irq(rp->pdev->irq, &rhine_interrupt, IRQF_SHARED, dev->name,
                         dev);
         if (rc)
                 return rc;
@@ -1999,7 +1999,7 @@ static int rhine_resume(struct pci_dev *pdev)
         if (!netif_running(dev))
                 return 0;
 
-        if (request_irq(dev->irq, rhine_interrupt, SA_SHIRQ, dev->name, dev))
+        if (request_irq(dev->irq, rhine_interrupt, IRQF_SHARED, dev->name, dev))
                 printk(KERN_ERR "via-rhine %s: request_irq failed\n", dev->name);
 
         ret = pci_set_power_state(pdev, PCI_D0);
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index 857d71c3c017..ba2972ba3757 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1750,7 +1750,7 @@ static int velocity_open(struct net_device *dev)
         
         velocity_init_registers(vptr, VELOCITY_INIT_COLD);
 
-        ret = request_irq(vptr->pdev->irq, &velocity_intr, SA_SHIRQ,
+        ret = request_irq(vptr->pdev->irq, &velocity_intr, IRQF_SHARED,
                           dev->name, dev);
         if (ret < 0) {
                 /* Power down the chip */
diff --git a/drivers/net/wan/dscc4.c b/drivers/net/wan/dscc4.c
index 04a376ec0ed8..684af4316ffd 100644
--- a/drivers/net/wan/dscc4.c
+++ b/drivers/net/wan/dscc4.c
@@ -752,7 +752,7 @@ static int __devinit dscc4_init_one(struct pci_dev *pdev,
 
         priv = pci_get_drvdata(pdev);
 
-        rc = request_irq(pdev->irq, dscc4_irq, SA_SHIRQ, DRV_NAME, priv->root);
+        rc = request_irq(pdev->irq, dscc4_irq, IRQF_SHARED, DRV_NAME, priv->root);
         if (rc < 0) {
                 printk(KERN_WARNING "%s: IRQ %d busy\n", DRV_NAME, pdev->irq);
                 goto err_release_4;
diff --git a/drivers/net/wan/farsync.c b/drivers/net/wan/farsync.c
index 7981a2c7906e..3705db04a343 100644
--- a/drivers/net/wan/farsync.c
+++ b/drivers/net/wan/farsync.c
@@ -2519,7 +2519,7 @@ fst_add_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         dbg(DBG_PCI, "kernel mem %p, ctlmem %p\n", card->mem, card->ctlmem);
 
         /* Register the interrupt handler */
-        if (request_irq(pdev->irq, fst_intr, SA_SHIRQ, FST_DEV_NAME, card)) {
+        if (request_irq(pdev->irq, fst_intr, IRQF_SHARED, FST_DEV_NAME, card)) {
                 printk_err("Unable to register interrupt %d\n", card->irq);
                 pci_release_regions(pdev);
                 pci_disable_device(pdev);
diff --git a/drivers/net/wan/hostess_sv11.c b/drivers/net/wan/hostess_sv11.c
index cf5c805452a3..a4f735723c41 100644
--- a/drivers/net/wan/hostess_sv11.c
+++ b/drivers/net/wan/hostess_sv11.c
@@ -264,7 +264,7 @@ static struct sv11_device *sv11_init(int iobase, int irq)
         /* We want a fast IRQ for this device. Actually we'd like an even faster
            IRQ ;) - This is one driver RtLinux is made for */
            
-        if(request_irq(irq, &z8530_interrupt, SA_INTERRUPT, "Hostess SV11", dev)<0)
+        if(request_irq(irq, &z8530_interrupt, IRQF_DISABLED, "Hostess SV11", dev)<0)
         {
                 printk(KERN_WARNING "hostess: IRQ %d already in use.\n", irq);
                 goto fail1;
diff --git a/drivers/net/wan/lmc/lmc_main.c b/drivers/net/wan/lmc/lmc_main.c
index 40926d779161..39f44241a728 100644
--- a/drivers/net/wan/lmc/lmc_main.c
+++ b/drivers/net/wan/lmc/lmc_main.c
@@ -1058,7 +1058,7 @@ static int lmc_open (struct net_device *dev) /*fold00*/
     lmc_softreset (sc);
 
     /* Since we have to use PCI bus, this should work on x86,alpha,ppc */
-    if (request_irq (dev->irq, &lmc_interrupt, SA_SHIRQ, dev->name, dev)){
+    if (request_irq (dev->irq, &lmc_interrupt, IRQF_SHARED, dev->name, dev)){
         printk(KERN_WARNING "%s: could not get irq: %d\n", dev->name, dev->irq);
         lmc_trace(dev, "lmc_open irq failed out");
         return -EAGAIN;
diff --git a/drivers/net/wan/pc300_drv.c b/drivers/net/wan/pc300_drv.c
index d7897ae89f90..567effff4a3e 100644
--- a/drivers/net/wan/pc300_drv.c
+++ b/drivers/net/wan/pc300_drv.c
@@ -3600,7 +3600,7 @@ cpc_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         /* Allocate IRQ */
-        if (request_irq(card->hw.irq, cpc_intr, SA_SHIRQ, "Cyclades-PC300", card)) {
+        if (request_irq(card->hw.irq, cpc_intr, IRQF_SHARED, "Cyclades-PC300", card)) {
                 printk ("PC300 found at RAM 0x%08x, but could not allocate IRQ%d.\n",
                          card->hw.ramphys, card->hw.irq);
                 goto err_io_unmap;
diff --git a/drivers/net/wan/pci200syn.c b/drivers/net/wan/pci200syn.c
index 24c3c57c13c9..4df61fa3214b 100644
--- a/drivers/net/wan/pci200syn.c
+++ b/drivers/net/wan/pci200syn.c
@@ -402,7 +402,7 @@ static int __devinit pci200_pci_init_one(struct pci_dev *pdev,
         writew(readw(p) | 0x0040, p);
 
         /* Allocate IRQ */
-        if (request_irq(pdev->irq, sca_intr, SA_SHIRQ, devname, card)) {
+        if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, devname, card)) {
                 printk(KERN_WARNING "pci200syn: could not allocate IRQ%d.\n",
                        pdev->irq);
                 pci200_pci_remove_one(pdev);
diff --git a/drivers/net/wan/sbni.c b/drivers/net/wan/sbni.c
index f2d071272cee..fc75bec19029 100644
--- a/drivers/net/wan/sbni.c
+++ b/drivers/net/wan/sbni.c
@@ -1192,7 +1192,7 @@ sbni_open( struct net_device  *dev )
                         }
         }
 
-        if( request_irq(dev->irq, sbni_interrupt, SA_SHIRQ, dev->name, dev) ) {
+        if( request_irq(dev->irq, sbni_interrupt, IRQF_SHARED, dev->name, dev) ) {
                 printk( KERN_ERR "%s: unable to get IRQ %d.\n",
                         dev->name, dev->irq );
                 return  -EAGAIN;
diff --git a/drivers/net/wan/sealevel.c b/drivers/net/wan/sealevel.c
index 050e854e7774..70fb1b98b1dd 100644
--- a/drivers/net/wan/sealevel.c
+++ b/drivers/net/wan/sealevel.c
@@ -322,7 +322,7 @@ static __init struct slvl_board *slvl_init(int iobase, int irq,
         /* We want a fast IRQ for this device. Actually we'd like an even faster
            IRQ ;) - This is one driver RtLinux is made for */
    
-        if(request_irq(irq, &z8530_interrupt, SA_INTERRUPT, "SeaLevel", dev)<0)
+        if(request_irq(irq, &z8530_interrupt, IRQF_DISABLED, "SeaLevel", dev)<0)
         {
                 printk(KERN_WARNING "sealevel: IRQ %d already in use.\n", irq);
                 goto fail1_1;
diff --git a/drivers/net/wan/wanxl.c b/drivers/net/wan/wanxl.c
index 437e0e938e38..d564224cdca9 100644
--- a/drivers/net/wan/wanxl.c
+++ b/drivers/net/wan/wanxl.c
@@ -755,7 +755,7 @@ static int __devinit wanxl_pci_init_one(struct pci_dev *pdev,
                pci_name(pdev), plx_phy, ramsize / 1024, mem_phy, pdev->irq);
 
         /* Allocate IRQ */
-        if (request_irq(pdev->irq, wanxl_intr, SA_SHIRQ, "wanXL", card)) {
+        if (request_irq(pdev->irq, wanxl_intr, IRQF_SHARED, "wanXL", card)) {
                 printk(KERN_WARNING "wanXL %s: could not allocate IRQ%i.\n",
                        pci_name(pdev), pdev->irq);
                 wanxl_pci_remove_one(pdev);
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index 89328d119efa..a4dd13942714 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -2848,7 +2848,7 @@ static struct net_device *_init_airo_card( unsigned short irq, int port,
         reset_card (dev, 1);
         msleep(400);
 
-        rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
+        rc = request_irq( dev->irq, airo_interrupt, IRQF_SHARED, dev->name, dev );
         if (rc) {
                 airo_print_err(dev->name, "register interrupt %d failed, rc %d",
                                 irq, rc);
diff --git a/drivers/net/wireless/atmel.c b/drivers/net/wireless/atmel.c
index 54e31fa2d402..995c7bea5897 100644
--- a/drivers/net/wireless/atmel.c
+++ b/drivers/net/wireless/atmel.c
@@ -1577,7 +1577,7 @@ struct net_device *init_atmel_card(unsigned short irq, unsigned long port,
 
         SET_NETDEV_DEV(dev, sys_dev);
 
-        if ((rc = request_irq(dev->irq, service_interrupt, SA_SHIRQ, dev->name, dev))) {
+        if ((rc = request_irq(dev->irq, service_interrupt, IRQF_SHARED, dev->name, dev))) {
                 printk(KERN_ERR "%s: register interrupt %d failed, rc %d\n", dev->name, irq, rc);
                 goto err_out_free;
         }
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_main.c b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
index 27bcf47228e2..d8f5600578b4 100644
--- a/drivers/net/wireless/bcm43xx/bcm43xx_main.c
+++ b/drivers/net/wireless/bcm43xx/bcm43xx_main.c
@@ -2175,7 +2175,7 @@ static int bcm43xx_initialize_irq(struct bcm43xx_private *bcm)
         }
 #endif
         res = request_irq(bcm->irq, bcm43xx_interrupt_handler,
-                          SA_SHIRQ, KBUILD_MODNAME, bcm);
+                          IRQF_SHARED, KBUILD_MODNAME, bcm);
         if (res) {
                 printk(KERN_ERR PFX "Cannot register IRQ%d\n", bcm->irq);
                 return -ENODEV;
diff --git a/drivers/net/wireless/hostap/hostap_pci.c b/drivers/net/wireless/hostap/hostap_pci.c
index 5ea8ac835857..c2fa011be291 100644
--- a/drivers/net/wireless/hostap/hostap_pci.c
+++ b/drivers/net/wireless/hostap/hostap_pci.c
@@ -337,7 +337,7 @@ static int prism2_pci_probe(struct pci_dev *pdev,
 
         pci_set_drvdata(pdev, dev);
 
-        if (request_irq(dev->irq, prism2_interrupt, SA_SHIRQ, dev->name,
+        if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name,
                         dev)) {
                 printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
                 goto fail;
diff --git a/drivers/net/wireless/hostap/hostap_plx.c b/drivers/net/wireless/hostap/hostap_plx.c
index 4ee6abbc65ec..49860fa61c30 100644
--- a/drivers/net/wireless/hostap/hostap_plx.c
+++ b/drivers/net/wireless/hostap/hostap_plx.c
@@ -550,7 +550,7 @@ static int prism2_plx_probe(struct pci_dev *pdev,
 
         pci_set_drvdata(pdev, dev);
 
-        if (request_irq(dev->irq, prism2_interrupt, SA_SHIRQ, dev->name,
+        if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name,
                         dev)) {
                 printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
                 goto fail;
diff --git a/drivers/net/wireless/ipw2100.c b/drivers/net/wireless/ipw2100.c
index 27f744e43095..e955db435b30 100644
--- a/drivers/net/wireless/ipw2100.c
+++ b/drivers/net/wireless/ipw2100.c
@@ -6229,7 +6229,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
         ipw2100_queues_initialize(priv);
 
         err = request_irq(pci_dev->irq,
-                          ipw2100_interrupt, SA_SHIRQ, dev->name, priv);
+                          ipw2100_interrupt, IRQF_SHARED, dev->name, priv);
         if (err) {
                 printk(KERN_WARNING DRV_NAME
                        "Error calling request_irq: %d.\n", pci_dev->irq);
diff --git a/drivers/net/wireless/ipw2200.c b/drivers/net/wireless/ipw2200.c
index a8a8f975432f..b3300ffe4eec 100644
--- a/drivers/net/wireless/ipw2200.c
+++ b/drivers/net/wireless/ipw2200.c
@@ -11545,7 +11545,7 @@ static int ipw_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 
         ipw_sw_reset(priv, 1);
 
-        err = request_irq(pdev->irq, ipw_isr, SA_SHIRQ, DRV_NAME, priv);
+        err = request_irq(pdev->irq, ipw_isr, IRQF_SHARED, DRV_NAME, priv);
         if (err) {
                 IPW_ERROR("Error allocating IRQ %d\n", pdev->irq);
                 goto out_destroy_workqueue;
diff --git a/drivers/net/wireless/orinoco_nortel.c b/drivers/net/wireless/orinoco_nortel.c
index 4597fe1d1979..bf05b907747e 100644
--- a/drivers/net/wireless/orinoco_nortel.c
+++ b/drivers/net/wireless/orinoco_nortel.c
@@ -198,7 +198,7 @@ static int orinoco_nortel_init_one(struct pci_dev *pdev,
 
         hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING);
 
-        err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+        err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err) {
                 printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq);
diff --git a/drivers/net/wireless/orinoco_pci.c b/drivers/net/wireless/orinoco_pci.c
index de3eae082a0d..1759c543fbee 100644
--- a/drivers/net/wireless/orinoco_pci.c
+++ b/drivers/net/wireless/orinoco_pci.c
@@ -153,7 +153,7 @@ static int orinoco_pci_init_one(struct pci_dev *pdev,
 
         hermes_struct_init(&priv->hw, hermes_io, HERMES_32BIT_REGSPACING);
 
-        err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+        err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err) {
                 printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq);
diff --git a/drivers/net/wireless/orinoco_pci.h b/drivers/net/wireless/orinoco_pci.h
index 7eb1e08113e0..be1abea4b64f 100644
--- a/drivers/net/wireless/orinoco_pci.h
+++ b/drivers/net/wireless/orinoco_pci.h
@@ -63,7 +63,7 @@ static int orinoco_pci_resume(struct pci_dev *pdev)
         pci_enable_device(pdev);
         pci_restore_state(pdev);
 
-        err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+        err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err) {
                 printk(KERN_ERR "%s: cannot re-allocate IRQ on resume\n",
diff --git a/drivers/net/wireless/orinoco_plx.c b/drivers/net/wireless/orinoco_plx.c
index 3f928b8939f0..7f006f624171 100644
--- a/drivers/net/wireless/orinoco_plx.c
+++ b/drivers/net/wireless/orinoco_plx.c
@@ -237,7 +237,7 @@ static int orinoco_plx_init_one(struct pci_dev *pdev,
 
         hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING);
 
-        err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+        err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err) {
                 printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq);
diff --git a/drivers/net/wireless/orinoco_tmd.c b/drivers/net/wireless/orinoco_tmd.c
index 160a642185f0..0831721e4d6c 100644
--- a/drivers/net/wireless/orinoco_tmd.c
+++ b/drivers/net/wireless/orinoco_tmd.c
@@ -139,7 +139,7 @@ static int orinoco_tmd_init_one(struct pci_dev *pdev,
 
         hermes_struct_init(&priv->hw, hermes_io, HERMES_16BIT_REGSPACING);
 
-        err = request_irq(pdev->irq, orinoco_interrupt, SA_SHIRQ,
+        err = request_irq(pdev->irq, orinoco_interrupt, IRQF_SHARED,
                           dev->name, dev);
         if (err) {
                 printk(KERN_ERR PFX "Cannot allocate IRQ %d\n", pdev->irq);
diff --git a/drivers/net/wireless/prism54/islpci_hotplug.c b/drivers/net/wireless/prism54/islpci_hotplug.c
index bfa0cc319a09..09fc17a0f029 100644
--- a/drivers/net/wireless/prism54/islpci_hotplug.c
+++ b/drivers/net/wireless/prism54/islpci_hotplug.c
@@ -189,7 +189,7 @@ prism54_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 
         /* request for the interrupt before uploading the firmware */
         rvalue = request_irq(pdev->irq, &islpci_interrupt,
-                             SA_SHIRQ, ndev->name, priv);
+                             IRQF_SHARED, ndev->name, priv);
 
         if (rvalue) {
                 /* error, could not hook the handler to the irq */
diff --git a/drivers/net/yellowfin.c b/drivers/net/yellowfin.c
index 569305f57561..bbbf7e274a2a 100644
--- a/drivers/net/yellowfin.c
+++ b/drivers/net/yellowfin.c
@@ -602,7 +602,7 @@ static int yellowfin_open(struct net_device *dev)
         /* Reset the chip. */
         iowrite32(0x80000000, ioaddr + DMACtrl);
 
-        i = request_irq(dev->irq, &yellowfin_interrupt, SA_SHIRQ, dev->name, dev);
+        i = request_irq(dev->irq, &yellowfin_interrupt, IRQF_SHARED, dev->name, dev);
         if (i) return i;
 
         if (yellowfin_debug > 1)
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 8037e5806d0a..df04e050c647 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -201,7 +201,7 @@ static int __devinit zorro8390_init(struct net_device *dev,
     dev->irq = IRQ_AMIGA_PORTS;
 
     /* Install the Interrupt handler */
-    i = request_irq(IRQ_AMIGA_PORTS, ei_interrupt, SA_SHIRQ, DRV_NAME, dev);
+    i = request_irq(IRQ_AMIGA_PORTS, ei_interrupt, IRQF_SHARED, DRV_NAME, dev);
     if (i) return i;
 
     for(i = 0; i < ETHER_ADDR_LEN; i++) {
diff --git a/drivers/parisc/eisa.c b/drivers/parisc/eisa.c
index 58f0ce8d78e0..884965cedec9 100644
--- a/drivers/parisc/eisa.c
+++ b/drivers/parisc/eisa.c
@@ -340,7 +340,7 @@ static int __devinit eisa_probe(struct parisc_device *dev)
         }
         pcibios_register_hba(&eisa_dev.hba);
 
-        result = request_irq(dev->irq, eisa_irq, SA_SHIRQ, "EISA", &eisa_dev);
+        result = request_irq(dev->irq, eisa_irq, IRQF_SHARED, "EISA", &eisa_dev);
         if (result) {
                 printk(KERN_ERR "EISA: request_irq failed!\n");
                 return result;
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index a988dc7a9abd..4ee26a6d9e25 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -271,7 +271,7 @@ superio_init(struct pci_dev *pcidev)
         else
                 printk(KERN_ERR PFX "USB regulator not initialized!\n");
 
-        if (request_irq(pdev->irq, superio_interrupt, SA_INTERRUPT,
+        if (request_irq(pdev->irq, superio_interrupt, IRQF_DISABLED,
                         SUPERIO, (void *)sio)) {
 
                 printk(KERN_ERR PFX "could not get irq\n");
diff --git a/drivers/parport/parport_ax88796.c b/drivers/parport/parport_ax88796.c
index 4baa719439a2..1850632590fd 100644
--- a/drivers/parport/parport_ax88796.c
+++ b/drivers/parport/parport_ax88796.c
@@ -345,7 +345,7 @@ static int parport_ax88796_probe(struct platform_device *pdev)
         if (irq >= 0) {
                 /* request irq */
                 ret = request_irq(irq, parport_ax88796_interrupt,
-                                  SA_TRIGGER_FALLING, pdev->name, pp);
+                                  IRQF_TRIGGER_FALLING, pdev->name, pp);
 
                 if (ret < 0)
                         goto exit_port;
diff --git a/drivers/parport/parport_mfc3.c b/drivers/parport/parport_mfc3.c
index c85364765ef8..b2b8092a2b39 100644
--- a/drivers/parport/parport_mfc3.c
+++ b/drivers/parport/parport_mfc3.c
@@ -353,7 +353,7 @@ static int __init parport_mfc3_init(void)
 
                 if (p->irq != PARPORT_IRQ_NONE) {
                         if (use_cnt++ == 0)
-                                if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, SA_SHIRQ, p->name, &pp_mfc3_ops))
+                                if (request_irq(IRQ_AMIGA_PORTS, mfc3_interrupt, IRQF_SHARED, p->name, &pp_mfc3_ops))
                                         goto out_irq;
                 }
 
diff --git a/drivers/parport/parport_sunbpp.c b/drivers/parport/parport_sunbpp.c
index 7c43c5392bed..fac333b279bf 100644
--- a/drivers/parport/parport_sunbpp.c
+++ b/drivers/parport/parport_sunbpp.c
@@ -322,7 +322,7 @@ static int __devinit init_one_port(struct sbus_dev *sdev)
         p->size = size;
 
         if ((err = request_irq(p->irq, parport_sunbpp_interrupt,
-                               SA_SHIRQ, p->name, p)) != 0) {
+                               IRQF_SHARED, p->name, p)) != 0) {
                 goto out_put_port;
         }
 
diff --git a/drivers/pci/hotplug/cpci_hotplug_core.c b/drivers/pci/hotplug/cpci_hotplug_core.c
index 30d87143b5d9..d5df5871cfa2 100644
--- a/drivers/pci/hotplug/cpci_hotplug_core.c
+++ b/drivers/pci/hotplug/cpci_hotplug_core.c
@@ -347,7 +347,7 @@ cpci_hp_intr(int irq, void *data, struct pt_regs *regs)
         dbg("entered cpci_hp_intr");
 
         /* Check to see if it was our interrupt */
-        if ((controller->irq_flags & SA_SHIRQ) &&
+        if ((controller->irq_flags & IRQF_SHARED) &&
             !controller->ops->check_irq(controller->dev_id)) {
                 dbg("exited cpci_hp_intr, not our interrupt");
                 return IRQ_NONE;
diff --git a/drivers/pci/hotplug/cpcihp_zt5550.c b/drivers/pci/hotplug/cpcihp_zt5550.c
index 584f8538da13..1c12e9171097 100644
--- a/drivers/pci/hotplug/cpcihp_zt5550.c
+++ b/drivers/pci/hotplug/cpcihp_zt5550.c
@@ -35,7 +35,8 @@
 #include <linux/init.h>
 #include <linux/errno.h>
 #include <linux/pci.h>
-#include <linux/signal.h>       /* SA_SHIRQ */
+#include <linux/interrupt.h>
+#include <linux/signal.h>       /* IRQF_SHARED */
 #include "cpci_hotplug.h"
 #include "cpcihp_zt5550.h"
 
@@ -219,7 +220,7 @@ static int zt5550_hc_init_one (struct pci_dev *pdev, const struct pci_device_id
         zt5550_hpc.ops = &zt5550_hpc_ops;
         if(!poll) {
                 zt5550_hpc.irq = hc_dev->irq;
-                zt5550_hpc.irq_flags = SA_SHIRQ;
+                zt5550_hpc.irq_flags = IRQF_SHARED;
                 zt5550_hpc.dev_id = hc_dev;
 
                 zt5550_hpc_ops.enable_irq = zt5550_hc_enable_irq;
diff --git a/drivers/pci/hotplug/cpqphp_core.c b/drivers/pci/hotplug/cpqphp_core.c
index e6e171f77c34..1fc259913b68 100644
--- a/drivers/pci/hotplug/cpqphp_core.c
+++ b/drivers/pci/hotplug/cpqphp_core.c
@@ -1188,7 +1188,7 @@ static int cpqhpc_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
         /* set up the interrupt */
         dbg("HPC interrupt = %d \n", ctrl->interrupt);
         if (request_irq(ctrl->interrupt, cpqhp_ctrl_intr,
-                        SA_SHIRQ, MY_NAME, ctrl)) {
+                        IRQF_SHARED, MY_NAME, ctrl)) {
                 err("Can't get irq %d for the hotplug pci controller\n",
                         ctrl->interrupt);
                 rc = -ENODEV;
diff --git a/drivers/pci/hotplug/pciehp_hpc.c b/drivers/pci/hotplug/pciehp_hpc.c
index 11f7858f0064..0d8fb6e607a1 100644
--- a/drivers/pci/hotplug/pciehp_hpc.c
+++ b/drivers/pci/hotplug/pciehp_hpc.c
@@ -1458,7 +1458,7 @@ int pcie_init(struct controller * ctrl, struct pcie_device *dev)
                 start_int_poll_timer( php_ctlr, 10 );   /* start with 10 second delay */
         } else {
                 /* Installs the interrupt handler */
-                rc = request_irq(php_ctlr->irq, pcie_isr, SA_SHIRQ, MY_NAME, (void *) ctrl);
+                rc = request_irq(php_ctlr->irq, pcie_isr, IRQF_SHARED, MY_NAME, (void *) ctrl);
                 dbg("%s: request_irq %d for hpc%d (returns %d)\n", __FUNCTION__, php_ctlr->irq, ctlr_seq_num, rc);
                 if (rc) {
                         err("Can't get irq %d for the hotplug controller\n", php_ctlr->irq);
diff --git a/drivers/pci/hotplug/shpchp_hpc.c b/drivers/pci/hotplug/shpchp_hpc.c
index 45facaad39bd..0f9798df4704 100644
--- a/drivers/pci/hotplug/shpchp_hpc.c
+++ b/drivers/pci/hotplug/shpchp_hpc.c
@@ -1246,7 +1246,7 @@ int shpc_init(struct controller * ctrl, struct pci_dev * pdev)
                 } else
                         php_ctlr->irq = pdev->irq;
                 
-                rc = request_irq(php_ctlr->irq, shpc_isr, SA_SHIRQ, MY_NAME, (void *) ctrl);
+                rc = request_irq(php_ctlr->irq, shpc_isr, IRQF_SHARED, MY_NAME, (void *) ctrl);
                 dbg("%s: request_irq %d for hpc%d (returns %d)\n", __FUNCTION__, php_ctlr->irq, ctlr_seq_num, rc);
                 if (rc) {
                         err("Can't get irq %d for the hotplug controller\n", php_ctlr->irq);
diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index 5256342e8532..40569f40e90e 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -267,7 +267,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
 
         /* must be a GPIO; ergo must trigger on both edges */
         status = request_irq(board->det_pin, at91_cf_irq,
-                        SA_SAMPLE_RANDOM, driver_name, cf);
+                        IRQF_SAMPLE_RANDOM, driver_name, cf);
         if (status < 0)
                 goto fail0;
         device_init_wakeup(&pdev->dev, 1);
@@ -280,7 +280,7 @@ static int __init at91_cf_probe(struct platform_device *pdev)
          */
         if (board->irq_pin) {
                 status = request_irq(board->irq_pin, at91_cf_irq,
-                                SA_SHIRQ, driver_name, cf);
+                                IRQF_SHARED, driver_name, cf);
                 if (status < 0)
                         goto fail0a;
                 cf->socket.pci_irq = board->irq_pin;
diff --git a/drivers/pcmcia/hd64465_ss.c b/drivers/pcmcia/hd64465_ss.c
index c662e4f89d46..ad02629c8be2 100644
--- a/drivers/pcmcia/hd64465_ss.c
+++ b/drivers/pcmcia/hd64465_ss.c
@@ -761,7 +761,7 @@ static int hs_init_socket(hs_socket_t *sp, int irq, unsigned long mem_base,
         
         hd64465_register_irq_demux(sp->irq, hs_irq_demux, sp);
         
-        if ((err = request_irq(sp->irq, hs_interrupt, SA_INTERRUPT, MODNAME, sp)) < 0)
+        if ((err = request_irq(sp->irq, hs_interrupt, IRQF_DISABLED, MODNAME, sp)) < 0)
             return err;
         if (request_mem_region(sp->mem_base, sp->mem_length, MODNAME) == 0) {
             sp->mem_base = 0;
diff --git a/drivers/pcmcia/i82092.c b/drivers/pcmcia/i82092.c
index d5f03a338c6c..2163aa75a257 100644
--- a/drivers/pcmcia/i82092.c
+++ b/drivers/pcmcia/i82092.c
@@ -149,7 +149,7 @@ static int __devinit i82092aa_pci_probe(struct pci_dev *dev, const struct pci_de
 
         /* Register the interrupt handler */
         dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
-        if ((ret = request_irq(dev->irq, i82092aa_interrupt, SA_SHIRQ, "i82092aa", i82092aa_interrupt))) {
+        if ((ret = request_irq(dev->irq, i82092aa_interrupt, IRQF_SHARED, "i82092aa", i82092aa_interrupt))) {
                 printk(KERN_ERR "i82092aa: Failed to register IRQ %d, aborting\n", dev->irq);
                 goto err_out_free_res;
         }
diff --git a/drivers/pcmcia/i82365.c b/drivers/pcmcia/i82365.c
index ff51a65d9433..1cc2682394b1 100644
--- a/drivers/pcmcia/i82365.c
+++ b/drivers/pcmcia/i82365.c
@@ -509,7 +509,7 @@ static irqreturn_t i365_count_irq(int irq, void *dev, struct pt_regs *regs)
 static u_int __init test_irq(u_short sock, int irq)
 {
     debug(2, "  testing ISA irq %d\n", irq);
-    if (request_irq(irq, i365_count_irq, SA_PROBEIRQ, "scan",
+    if (request_irq(irq, i365_count_irq, IRQF_PROBE_SHARED, "scan",
                         i365_count_irq) != 0)
         return 1;
     irq_hits = 0; irq_sock = sock;
@@ -562,7 +562,7 @@ static u_int __init isa_scan(u_short sock, u_int mask0)
     } else {
         /* Fallback: just find interrupts that aren't in use */
         for (i = 0; i < 16; i++)
-            if ((mask0 & (1 << i)) && (_check_irq(i, SA_PROBEIRQ) == 0))
+            if ((mask0 & (1 << i)) && (_check_irq(i, IRQF_PROBE_SHARED) == 0))
                 mask1 |= (1 << i);
         printk("default");
         /* If scan failed, default to polled status */
@@ -726,7 +726,7 @@ static void __init add_pcic(int ns, int type)
         u_int cs_mask = mask & ((cs_irq) ? (1<<cs_irq) : ~(1<<12));
         for (cs_irq = 15; cs_irq > 0; cs_irq--)
             if ((cs_mask & (1 << cs_irq)) &&
-                (_check_irq(cs_irq, SA_PROBEIRQ) == 0))
+                (_check_irq(cs_irq, IRQF_PROBE_SHARED) == 0))
                 break;
         if (cs_irq) {
             grab_irq = 1;
diff --git a/drivers/pcmcia/omap_cf.c b/drivers/pcmcia/omap_cf.c
index 2c23d7584399..420e10aec0ae 100644
--- a/drivers/pcmcia/omap_cf.c
+++ b/drivers/pcmcia/omap_cf.c
@@ -232,7 +232,7 @@ static int __init omap_cf_probe(struct device *dev)
         dev_set_drvdata(dev, cf);
 
         /* this primarily just shuts up irq handling noise */
-        status = request_irq(irq, omap_cf_irq, SA_SHIRQ,
+        status = request_irq(irq, omap_cf_irq, IRQF_SHARED,
                         driver_name, cf);
         if (status < 0)
                 goto fail0;
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 3281e519e714..7bf25b88ea31 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -801,9 +801,9 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
         /* Decide what type of interrupt we are registering */
         type = 0;
         if (s->functions > 1)           /* All of this ought to be handled higher up */
-                type = SA_SHIRQ;
+                type = IRQF_SHARED;
         if (req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)
-                type = SA_SHIRQ;
+                type = IRQF_SHARED;
 
 #ifdef CONFIG_PCMCIA_PROBE
         if (s->irq.AssignedIRQ != 0) {
@@ -845,7 +845,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
         if (ret && !s->irq.AssignedIRQ) {
                 if (!s->pci_irq)
                         return ret;
-                type = SA_SHIRQ;
+                type = IRQF_SHARED;
                 irq = s->pci_irq;
         }
 
@@ -855,7 +855,7 @@ int pcmcia_request_irq(struct pcmcia_device *p_dev, irq_req_t *req)
         }
 
         /* Make sure the fact the request type was overridden is passed back */
-        if (type == SA_SHIRQ && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) {
+        if (type == IRQF_SHARED && !(req->Attributes & IRQ_TYPE_DYNAMIC_SHARING)) {
                 req->Attributes |= IRQ_TYPE_DYNAMIC_SHARING;
                 printk(KERN_WARNING "pcmcia: request for exclusive IRQ could not be fulfilled.\n");
                 printk(KERN_WARNING "pcmcia: the driver needs updating to supported shared IRQ lines.\n");
diff --git a/drivers/pcmcia/pd6729.c b/drivers/pcmcia/pd6729.c
index 9ee26c1b8635..22c5e7427ddd 100644
--- a/drivers/pcmcia/pd6729.c
+++ b/drivers/pcmcia/pd6729.c
@@ -689,7 +689,7 @@ static int __devinit pd6729_pci_probe(struct pci_dev *dev,
         pci_set_drvdata(dev, socket);
         if (irq_mode == 1) {
                 /* Register the interrupt handler */
-                if ((ret = request_irq(dev->irq, pd6729_interrupt, SA_SHIRQ,
+                if ((ret = request_irq(dev->irq, pd6729_interrupt, IRQF_SHARED,
                                                         "pd6729", socket))) {
                         printk(KERN_ERR "pd6729: Failed to register irq %d, "
                                                         "aborting\n", dev->irq);
diff --git a/drivers/pcmcia/soc_common.c b/drivers/pcmcia/soc_common.c
index 8ef3f91310d2..ecaa132fa592 100644
--- a/drivers/pcmcia/soc_common.c
+++ b/drivers/pcmcia/soc_common.c
@@ -523,7 +523,7 @@ int soc_pcmcia_request_irqs(struct soc_pcmcia_socket *skt,
                 if (irqs[i].sock != skt->nr)
                         continue;
                 res = request_irq(irqs[i].irq, soc_common_pcmcia_interrupt,
-                                  SA_INTERRUPT, irqs[i].str, skt);
+                                  IRQF_DISABLED, irqs[i].str, skt);
                 if (res)
                         break;
                 set_irq_type(irqs[i].irq, IRQT_NOEDGE);
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
index 459e6e1946fd..e076a13db555 100644
--- a/drivers/pcmcia/vrc4171_card.c
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -730,7 +730,7 @@ static int __devinit vrc4171_card_init(void)
 
         retval = vrc4171_add_sockets();
         if (retval == 0)
-                retval = request_irq(vrc4171_irq, pccard_interrupt, SA_SHIRQ,
+                retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED,
                                      vrc4171_card_name, vrc4171_sockets);
 
         if (retval < 0) {
diff --git a/drivers/pcmcia/vrc4173_cardu.c b/drivers/pcmcia/vrc4173_cardu.c
index 6004196f7cc1..d19a9138135f 100644
--- a/drivers/pcmcia/vrc4173_cardu.c
+++ b/drivers/pcmcia/vrc4173_cardu.c
@@ -500,7 +500,7 @@ static int __devinit vrc4173_cardu_probe(struct pci_dev *dev,
                 return -ENOMEM;
         }
 
-        if (request_irq(dev->irq, cardu_interrupt, SA_SHIRQ, socket->name, socket) < 0) {
+        if (request_irq(dev->irq, cardu_interrupt, IRQF_SHARED, socket->name, socket) < 0) {
                 pcmcia_unregister_socket(socket->pcmcia_socket);
                 socket->pcmcia_socket = NULL;
                 iounmap(socket->base);
diff --git a/drivers/pcmcia/yenta_socket.c b/drivers/pcmcia/yenta_socket.c
index 47e57602d5ea..1344746381e8 100644
--- a/drivers/pcmcia/yenta_socket.c
+++ b/drivers/pcmcia/yenta_socket.c
@@ -923,7 +923,7 @@ static int yenta_probe_cb_irq(struct yenta_socket *socket)
 
         socket->probe_status = 0;
 
-        if (request_irq(socket->cb_irq, yenta_probe_handler, SA_SHIRQ, "yenta", socket)) {
+        if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
                 printk(KERN_WARNING "Yenta: request_irq() in yenta_probe_cb_irq() failed!\n");
                 return -1;
         }
@@ -1172,7 +1172,7 @@ static int __devinit yenta_probe (struct pci_dev *dev, const struct pci_device_i
 
         /* We must finish initialization here */
 
-        if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, SA_SHIRQ, "yenta", socket)) {
+        if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
                 /* No IRQ or request_irq failed. Poll */
                 socket->cb_irq = 0; /* But zero is a valid IRQ number. */
                 init_timer(&socket->poll_timer);
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index e7cf6bec737e..5c8ec21e1086 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -395,7 +395,8 @@ int pnp_check_irq(struct pnp_dev * dev, int idx)
         /* check if the resource is already in use, skip if the
          * device is active because it itself may be in use */
         if(!dev->active) {
-                if (request_irq(*irq, pnp_test_handler, SA_INTERRUPT, "pnp", NULL))
+                if (request_irq(*irq, pnp_test_handler,
+                                IRQF_DISABLED|IRQF_PROBE_SHARED, "pnp", NULL))
                         return 0;
                 free_irq(*irq, NULL);
         }
diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
index d51afbe014e5..f5b9f187a930 100644
--- a/drivers/rtc/Kconfig
+++ b/drivers/rtc/Kconfig
@@ -182,6 +182,22 @@ config RTC_DRV_RS5C372
           This driver can also be built as a module. If so, the module
           will be called rtc-rs5c372.
 
+config RTC_DRV_S3C
+        tristate "Samsung S3C series SoC RTC"
+        depends on RTC_CLASS && ARCH_S3C2410
+        help
+          RTC (Realtime Clock) driver for the clock inbuilt into the
+          Samsung S3C24XX series of SoCs. This can provide periodic
+          interrupt rates from 1Hz to 64Hz for user programs, and
+          wakeup from Alarm.
+
+          The driver currently supports the common features on all the
+          S3C24XX range, such as the S3C2410, S3C2412, S3C2413, S3C2440
+          and S3C2442.
+
+          This driver can also be build as a module. If so, the module
+          will be called rtc-s3c.
+
 config RTC_DRV_M48T86
         tristate "ST M48T86/Dallas DS12887"
         depends on RTC_CLASS
diff --git a/drivers/rtc/Makefile b/drivers/rtc/Makefile
index da5e38774e13..54220714ff49 100644
--- a/drivers/rtc/Makefile
+++ b/drivers/rtc/Makefile
@@ -19,6 +19,7 @@ obj-$(CONFIG_RTC_DRV_DS1742)	+= rtc-ds1742.o
 obj-$(CONFIG_RTC_DRV_PCF8563)   += rtc-pcf8563.o
 obj-$(CONFIG_RTC_DRV_PCF8583)   += rtc-pcf8583.o
 obj-$(CONFIG_RTC_DRV_RS5C372)   += rtc-rs5c372.o
+obj-$(CONFIG_RTC_DRV_S3C)       += rtc-s3c.o
 obj-$(CONFIG_RTC_DRV_RS5C348)   += rtc-rs5c348.o
 obj-$(CONFIG_RTC_DRV_M48T86)    += rtc-m48t86.o
 obj-$(CONFIG_RTC_DRV_DS1553)    += rtc-ds1553.o
diff --git a/drivers/rtc/rtc-at91.c b/drivers/rtc/rtc-at91.c
index b676f443c17e..dfd0ce86f6a0 100644
--- a/drivers/rtc/rtc-at91.c
+++ b/drivers/rtc/rtc-at91.c
@@ -293,7 +293,7 @@ static int __init at91_rtc_probe(struct platform_device *pdev)
                                         AT91_RTC_CALEV);
 
         ret = request_irq(AT91_ID_SYS, at91_rtc_interrupt,
-                                SA_SHIRQ, "at91_rtc", pdev);
+                                IRQF_SHARED, "at91_rtc", pdev);
         if (ret) {
                 printk(KERN_ERR "at91_rtc: IRQ %d already in use.\n",
                                 AT91_ID_SYS);
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index 762521a1419c..209001495474 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -341,7 +341,7 @@ static int __init ds1553_rtc_probe(struct platform_device *pdev)
 
         if (pdata->irq >= 0) {
                 writeb(0, ioaddr + RTC_INTERRUPTS);
-                if (request_irq(pdata->irq, ds1553_rtc_interrupt, SA_SHIRQ,
+                if (request_irq(pdata->irq, ds1553_rtc_interrupt, IRQF_SHARED,
                                 pdev->name, pdev) < 0) {
                         dev_warn(&pdev->dev, "interrupt not available.\n");
                         pdata->irq = -1;
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index ee538632660b..d6d1c5726b0e 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -173,7 +173,7 @@ static int pl031_probe(struct amba_device *adev, void *id)
                 goto out_no_remap;
         }
 
-        if (request_irq(adev->irq[0], pl031_interrupt, SA_INTERRUPT,
+        if (request_irq(adev->irq[0], pl031_interrupt, IRQF_DISABLED,
                         "rtc-pl031", ldata->rtc)) {
                 ret = -EIO;
                 goto out_no_irq;
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
new file mode 100644
index 000000000000..d6d1bff52b8e
--- /dev/null
+++ b/drivers/rtc/rtc-s3c.c
@@ -0,0 +1,607 @@
+/* drivers/rtc/rtc-s3c.c
+ *
+ * Copyright (c) 2004,2006 Simtec Electronics
+ *      Ben Dooks, <ben@simtec.co.uk>
+ *      http://armlinux.simtec.co.uk/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * S3C2410/S3C2440/S3C24XX Internal RTC Driver
+*/
+
+#include <linux/module.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/rtc.h>
+#include <linux/bcd.h>
+#include <linux/clk.h>
+
+#include <asm/hardware.h>
+#include <asm/uaccess.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/rtc.h>
+
+#include <asm/mach/time.h>
+
+#include <asm/arch/regs-rtc.h>
+
+/* I have yet to find an S3C implementation with more than one
+ * of these rtc blocks in */
+
+static struct resource *s3c_rtc_mem;
+
+static void __iomem *s3c_rtc_base;
+static int s3c_rtc_alarmno = NO_IRQ;
+static int s3c_rtc_tickno  = NO_IRQ;
+static int s3c_rtc_freq    = 1;
+
+static DEFINE_SPINLOCK(s3c_rtc_pie_lock);
+static unsigned int tick_count;
+
+/* IRQ Handlers */
+
+static irqreturn_t s3c_rtc_alarmirq(int irq, void *id, struct pt_regs *r)
+{
+        struct rtc_device *rdev = id;
+
+        rtc_update_irq(&rdev->class_dev, 1, RTC_AF | RTC_IRQF);
+        return IRQ_HANDLED;
+}
+
+static irqreturn_t s3c_rtc_tickirq(int irq, void *id, struct pt_regs *r)
+{
+        struct rtc_device *rdev = id;
+
+        rtc_update_irq(&rdev->class_dev, tick_count++, RTC_PF | RTC_IRQF);
+        return IRQ_HANDLED;
+}
+
+/* Update control registers */
+static void s3c_rtc_setaie(int to)
+{
+        unsigned int tmp;
+
+        pr_debug("%s: aie=%d\n", __FUNCTION__, to);
+
+        tmp = readb(S3C2410_RTCALM) & ~S3C2410_RTCALM_ALMEN;
+
+        if (to)
+                tmp |= S3C2410_RTCALM_ALMEN;
+
+        writeb(tmp, S3C2410_RTCALM);
+}
+
+static void s3c_rtc_setpie(int to)
+{
+        unsigned int tmp;
+
+        pr_debug("%s: pie=%d\n", __FUNCTION__, to);
+
+        spin_lock_irq(&s3c_rtc_pie_lock);
+        tmp = readb(S3C2410_TICNT) & ~S3C2410_TICNT_ENABLE;
+
+        if (to)
+                tmp |= S3C2410_TICNT_ENABLE;
+
+        writeb(tmp, S3C2410_TICNT);
+        spin_unlock_irq(&s3c_rtc_pie_lock);
+}
+
+static void s3c_rtc_setfreq(int freq)
+{
+        unsigned int tmp;
+
+        spin_lock_irq(&s3c_rtc_pie_lock);
+        tmp = readb(S3C2410_TICNT) & S3C2410_TICNT_ENABLE;
+
+        s3c_rtc_freq = freq;
+
+        tmp |= (128 / freq)-1;
+
+        writeb(tmp, S3C2410_TICNT);
+        spin_unlock_irq(&s3c_rtc_pie_lock);
+}
+
+/* Time read/write */
+
+static int s3c_rtc_gettime(struct device *dev, struct rtc_time *rtc_tm)
+{
+        unsigned int have_retried = 0;
+
+ retry_get_time:
+        rtc_tm->tm_min  = readb(S3C2410_RTCMIN);
+        rtc_tm->tm_hour = readb(S3C2410_RTCHOUR);
+        rtc_tm->tm_mday = readb(S3C2410_RTCDATE);
+        rtc_tm->tm_mon  = readb(S3C2410_RTCMON);
+        rtc_tm->tm_year = readb(S3C2410_RTCYEAR);
+        rtc_tm->tm_sec  = readb(S3C2410_RTCSEC);
+
+        /* the only way to work out wether the system was mid-update
+         * when we read it is to check the second counter, and if it
+         * is zero, then we re-try the entire read
+         */
+
+        if (rtc_tm->tm_sec == 0 && !have_retried) {
+                have_retried = 1;
+                goto retry_get_time;
+        }
+
+        pr_debug("read time %02x.%02x.%02x %02x/%02x/%02x\n",
+                 rtc_tm->tm_year, rtc_tm->tm_mon, rtc_tm->tm_mday,
+                 rtc_tm->tm_hour, rtc_tm->tm_min, rtc_tm->tm_sec);
+
+        BCD_TO_BIN(rtc_tm->tm_sec);
+        BCD_TO_BIN(rtc_tm->tm_min);
+        BCD_TO_BIN(rtc_tm->tm_hour);
+        BCD_TO_BIN(rtc_tm->tm_mday);
+        BCD_TO_BIN(rtc_tm->tm_mon);
+        BCD_TO_BIN(rtc_tm->tm_year);
+
+        rtc_tm->tm_year += 100;
+        rtc_tm->tm_mon -= 1;
+
+        return 0;
+}
+
+static int s3c_rtc_settime(struct device *dev, struct rtc_time *tm)
+{
+        /* the rtc gets round the y2k problem by just not supporting it */
+
+        if (tm->tm_year < 100)
+                return -EINVAL;
+
+        writeb(BIN2BCD(tm->tm_sec),  S3C2410_RTCSEC);
+        writeb(BIN2BCD(tm->tm_min),  S3C2410_RTCMIN);
+        writeb(BIN2BCD(tm->tm_hour), S3C2410_RTCHOUR);
+        writeb(BIN2BCD(tm->tm_mday), S3C2410_RTCDATE);
+        writeb(BIN2BCD(tm->tm_mon + 1), S3C2410_RTCMON);
+        writeb(BIN2BCD(tm->tm_year - 100), S3C2410_RTCYEAR);
+
+        return 0;
+}
+
+static int s3c_rtc_getalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+        struct rtc_time *alm_tm = &alrm->time;
+        unsigned int alm_en;
+
+        alm_tm->tm_sec  = readb(S3C2410_ALMSEC);
+        alm_tm->tm_min  = readb(S3C2410_ALMMIN);
+        alm_tm->tm_hour = readb(S3C2410_ALMHOUR);
+        alm_tm->tm_mon  = readb(S3C2410_ALMMON);
+        alm_tm->tm_mday = readb(S3C2410_ALMDATE);
+        alm_tm->tm_year = readb(S3C2410_ALMYEAR);
+
+        alm_en = readb(S3C2410_RTCALM);
+
+        pr_debug("read alarm %02x %02x.%02x.%02x %02x/%02x/%02x\n",
+                 alm_en,
+                 alm_tm->tm_year, alm_tm->tm_mon, alm_tm->tm_mday,
+                 alm_tm->tm_hour, alm_tm->tm_min, alm_tm->tm_sec);
+
+
+        /* decode the alarm enable field */
+
+        if (alm_en & S3C2410_RTCALM_SECEN)
+                BCD_TO_BIN(alm_tm->tm_sec);
+        else
+                alm_tm->tm_sec = 0xff;
+
+        if (alm_en & S3C2410_RTCALM_MINEN)
+                BCD_TO_BIN(alm_tm->tm_min);
+        else
+                alm_tm->tm_min = 0xff;
+
+        if (alm_en & S3C2410_RTCALM_HOUREN)
+                BCD_TO_BIN(alm_tm->tm_hour);
+        else
+                alm_tm->tm_hour = 0xff;
+
+        if (alm_en & S3C2410_RTCALM_DAYEN)
+                BCD_TO_BIN(alm_tm->tm_mday);
+        else
+                alm_tm->tm_mday = 0xff;
+
+        if (alm_en & S3C2410_RTCALM_MONEN) {
+                BCD_TO_BIN(alm_tm->tm_mon);
+                alm_tm->tm_mon -= 1;
+        } else {
+                alm_tm->tm_mon = 0xff;
+        }
+
+        if (alm_en & S3C2410_RTCALM_YEAREN)
+                BCD_TO_BIN(alm_tm->tm_year);
+        else
+                alm_tm->tm_year = 0xffff;
+
+        return 0;
+}
+
+static int s3c_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
+{
+        struct rtc_time *tm = &alrm->time;
+        unsigned int alrm_en;
+
+        pr_debug("s3c_rtc_setalarm: %d, %02x/%02x/%02x %02x.%02x.%02x\n",
+                 alrm->enabled,
+                 tm->tm_mday & 0xff, tm->tm_mon & 0xff, tm->tm_year & 0xff,
+                 tm->tm_hour & 0xff, tm->tm_min & 0xff, tm->tm_sec);
+
+
+        alrm_en = readb(S3C2410_RTCALM) & S3C2410_RTCALM_ALMEN;
+        writeb(0x00, S3C2410_RTCALM);
+
+        if (tm->tm_sec < 60 && tm->tm_sec >= 0) {
+                alrm_en |= S3C2410_RTCALM_SECEN;
+                writeb(BIN2BCD(tm->tm_sec), S3C2410_ALMSEC);
+        }
+
+        if (tm->tm_min < 60 && tm->tm_min >= 0) {
+                alrm_en |= S3C2410_RTCALM_MINEN;
+                writeb(BIN2BCD(tm->tm_min), S3C2410_ALMMIN);
+        }
+
+        if (tm->tm_hour < 24 && tm->tm_hour >= 0) {
+                alrm_en |= S3C2410_RTCALM_HOUREN;
+                writeb(BIN2BCD(tm->tm_hour), S3C2410_ALMHOUR);
+        }
+
+        pr_debug("setting S3C2410_RTCALM to %08x\n", alrm_en);
+
+        writeb(alrm_en, S3C2410_RTCALM);
+
+        if (0) {
+                alrm_en = readb(S3C2410_RTCALM);
+                alrm_en &= ~S3C2410_RTCALM_ALMEN;
+                writeb(alrm_en, S3C2410_RTCALM);
+                disable_irq_wake(s3c_rtc_alarmno);
+        }
+
+        if (alrm->enabled)
+                enable_irq_wake(s3c_rtc_alarmno);
+        else
+                disable_irq_wake(s3c_rtc_alarmno);
+
+        return 0;
+}
+
+static int s3c_rtc_ioctl(struct device *dev,
+                         unsigned int cmd, unsigned long arg)
+{
+        unsigned int ret = -ENOIOCTLCMD;
+
+        switch (cmd) {
+        case RTC_AIE_OFF:
+        case RTC_AIE_ON:
+                s3c_rtc_setaie((cmd == RTC_AIE_ON) ? 1 : 0);
+                ret = 0;
+                break;
+
+        case RTC_PIE_OFF:
+        case RTC_PIE_ON:
+                tick_count = 0;
+                s3c_rtc_setpie((cmd == RTC_PIE_ON) ? 1 : 0);
+                ret = 0;
+                break;
+
+        case RTC_IRQP_READ:
+                ret = put_user(s3c_rtc_freq, (unsigned long __user *)arg);
+                break;
+
+        case RTC_IRQP_SET:
+                /* check for power of 2 */
+
+                if ((arg & (arg-1)) != 0 || arg < 1) {
+                        ret = -EINVAL;
+                        goto exit;
+                }
+
+                pr_debug("s3c2410_rtc: setting frequency %ld\n", arg);
+
+                s3c_rtc_setfreq(arg);
+                ret = 0;
+                break;
+
+        case RTC_UIE_ON:
+        case RTC_UIE_OFF:
+                ret = -EINVAL;
+        }
+
+ exit:
+        return ret;
+}
+
+static int s3c_rtc_proc(struct device *dev, struct seq_file *seq)
+{
+        unsigned int rtcalm = readb(S3C2410_RTCALM);
+        unsigned int ticnt = readb (S3C2410_TICNT);
+
+        seq_printf(seq, "alarm_IRQ\t: %s\n",
+                   (rtcalm & S3C2410_RTCALM_ALMEN) ? "yes" : "no" );
+
+        seq_printf(seq, "periodic_IRQ\t: %s\n",
+                     (ticnt & S3C2410_TICNT_ENABLE) ? "yes" : "no" );
+
+        seq_printf(seq, "periodic_freq\t: %d\n", s3c_rtc_freq);
+
+        return 0;
+}
+
+static int s3c_rtc_open(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
+        int ret;
+
+        ret = request_irq(s3c_rtc_alarmno, s3c_rtc_alarmirq,
+                          SA_INTERRUPT,  "s3c2410-rtc alarm", rtc_dev);
+
+        if (ret) {
+                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_alarmno, ret);
+                return ret;
+        }
+
+        ret = request_irq(s3c_rtc_tickno, s3c_rtc_tickirq,
+                          SA_INTERRUPT,  "s3c2410-rtc tick", rtc_dev);
+
+        if (ret) {
+                dev_err(dev, "IRQ%d error %d\n", s3c_rtc_tickno, ret);
+                goto tick_err;
+        }
+
+        return ret;
+
+ tick_err:
+        free_irq(s3c_rtc_alarmno, rtc_dev);
+        return ret;
+}
+
+static void s3c_rtc_release(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct rtc_device *rtc_dev = platform_get_drvdata(pdev);
+
+        /* do not clear AIE here, it may be needed for wake */
+
+        s3c_rtc_setpie(0);
+        free_irq(s3c_rtc_alarmno, rtc_dev);
+        free_irq(s3c_rtc_tickno, rtc_dev);
+}
+
+static struct rtc_class_ops s3c_rtcops = {
+        .open           = s3c_rtc_open,
+        .release        = s3c_rtc_release,
+        .ioctl          = s3c_rtc_ioctl,
+        .read_time      = s3c_rtc_gettime,
+        .set_time       = s3c_rtc_settime,
+        .read_alarm     = s3c_rtc_getalarm,
+        .set_alarm      = s3c_rtc_setalarm,
+        .proc           = s3c_rtc_proc,
+};
+
+static void s3c_rtc_enable(struct platform_device *pdev, int en)
+{
+        unsigned int tmp;
+
+        if (s3c_rtc_base == NULL)
+                return;
+
+        if (!en) {
+                tmp = readb(S3C2410_RTCCON);
+                writeb(tmp & ~S3C2410_RTCCON_RTCEN, S3C2410_RTCCON);
+
+                tmp = readb(S3C2410_TICNT);
+                writeb(tmp & ~S3C2410_TICNT_ENABLE, S3C2410_TICNT);
+        } else {
+                /* re-enable the device, and check it is ok */
+
+                if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_RTCEN) == 0){
+                        dev_info(&pdev->dev, "rtc disabled, re-enabling\n");
+
+                        tmp = readb(S3C2410_RTCCON);
+                        writeb(tmp | S3C2410_RTCCON_RTCEN , S3C2410_RTCCON);
+                }
+
+                if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CNTSEL)){
+                        dev_info(&pdev->dev, "removing RTCCON_CNTSEL\n");
+
+                        tmp = readb(S3C2410_RTCCON);
+                        writeb(tmp& ~S3C2410_RTCCON_CNTSEL , S3C2410_RTCCON);
+                }
+
+                if ((readb(S3C2410_RTCCON) & S3C2410_RTCCON_CLKRST)){
+                        dev_info(&pdev->dev, "removing RTCCON_CLKRST\n");
+
+                        tmp = readb(S3C2410_RTCCON);
+                        writeb(tmp & ~S3C2410_RTCCON_CLKRST, S3C2410_RTCCON);
+                }
+        }
+}
+
+static int s3c_rtc_remove(struct platform_device *dev)
+{
+        struct rtc_device *rtc = platform_get_drvdata(dev);
+
+        platform_set_drvdata(dev, NULL);
+        rtc_device_unregister(rtc);
+
+        s3c_rtc_setpie(0);
+        s3c_rtc_setaie(0);
+
+        iounmap(s3c_rtc_base);
+        release_resource(s3c_rtc_mem);
+        kfree(s3c_rtc_mem);
+
+        return 0;
+}
+
+static int s3c_rtc_probe(struct platform_device *pdev)
+{
+        struct rtc_device *rtc;
+        struct resource *res;
+        int ret;
+
+        pr_debug("%s: probe=%p\n", __FUNCTION__, pdev);
+
+        /* find the IRQs */
+
+        s3c_rtc_tickno = platform_get_irq(pdev, 1);
+        if (s3c_rtc_tickno < 0) {
+                dev_err(&pdev->dev, "no irq for rtc tick\n");
+                return -ENOENT;
+        }
+
+        s3c_rtc_alarmno = platform_get_irq(pdev, 0);
+        if (s3c_rtc_alarmno < 0) {
+                dev_err(&pdev->dev, "no irq for alarm\n");
+                return -ENOENT;
+        }
+
+        pr_debug("s3c2410_rtc: tick irq %d, alarm irq %d\n",
+                 s3c_rtc_tickno, s3c_rtc_alarmno);
+
+        /* get the memory region */
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (res == NULL) {
+                dev_err(&pdev->dev, "failed to get memory region resource\n");
+                return -ENOENT;
+        }
+
+        s3c_rtc_mem = request_mem_region(res->start,
+                                             res->end-res->start+1,
+                                             pdev->name);
+
+        if (s3c_rtc_mem == NULL) {
+                dev_err(&pdev->dev, "failed to reserve memory region\n");
+                ret = -ENOENT;
+                goto err_nores;
+        }
+
+        s3c_rtc_base = ioremap(res->start, res->end - res->start + 1);
+        if (s3c_rtc_base == NULL) {
+                dev_err(&pdev->dev, "failed ioremap()\n");
+                ret = -EINVAL;
+                goto err_nomap;
+        }
+
+        /* check to see if everything is setup correctly */
+
+        s3c_rtc_enable(pdev, 1);
+
+        pr_debug("s3c2410_rtc: RTCCON=%02x\n", readb(S3C2410_RTCCON));
+
+        s3c_rtc_setfreq(s3c_rtc_freq);
+
+        /* register RTC and exit */
+
+        rtc = rtc_device_register("s3c", &pdev->dev, &s3c_rtcops,
+                                  THIS_MODULE);
+
+        if (IS_ERR(rtc)) {
+                dev_err(&pdev->dev, "cannot attach rtc\n");
+                ret = PTR_ERR(rtc);
+                goto err_nortc;
+        }
+
+        rtc->max_user_freq = 128;
+
+        platform_set_drvdata(pdev, rtc);
+        return 0;
+
+ err_nortc:
+        s3c_rtc_enable(pdev, 0);
+        iounmap(s3c_rtc_base);
+
+ err_nomap:
+        release_resource(s3c_rtc_mem);
+
+ err_nores:
+        return ret;
+}
+
+#ifdef CONFIG_PM
+
+/* RTC Power management control */
+
+static struct timespec s3c_rtc_delta;
+
+static int ticnt_save;
+
+static int s3c_rtc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+        struct rtc_time tm;
+        struct timespec time;
+
+        time.tv_nsec = 0;
+
+        /* save TICNT for anyone using periodic interrupts */
+
+        ticnt_save = readb(S3C2410_TICNT);
+
+        /* calculate time delta for suspend */
+
+        s3c_rtc_gettime(&pdev->dev, &tm);
+        rtc_tm_to_time(&tm, &time.tv_sec);
+        save_time_delta(&s3c_rtc_delta, &time);
+        s3c_rtc_enable(pdev, 0);
+
+        return 0;
+}
+
+static int s3c_rtc_resume(struct platform_device *pdev)
+{
+        struct rtc_time tm;
+        struct timespec time;
+
+        time.tv_nsec = 0;
+
+        s3c_rtc_enable(pdev, 1);
+        s3c_rtc_gettime(&pdev->dev, &tm);
+        rtc_tm_to_time(&tm, &time.tv_sec);
+        restore_time_delta(&s3c_rtc_delta, &time);
+
+        writeb(ticnt_save, S3C2410_TICNT);
+        return 0;
+}
+#else
+#define s3c_rtc_suspend NULL
+#define s3c_rtc_resume  NULL
+#endif
+
+static struct platform_driver s3c2410_rtcdrv = {
+        .probe          = s3c_rtc_probe,
+        .remove         = s3c_rtc_remove,
+        .suspend        = s3c_rtc_suspend,
+        .resume         = s3c_rtc_resume,
+        .driver         = {
+                .name   = "s3c2410-rtc",
+                .owner  = THIS_MODULE,
+        },
+};
+
+static char __initdata banner[] = "S3C24XX RTC, (c) 2004,2006 Simtec Electronics\n";
+
+static int __init s3c_rtc_init(void)
+{
+        printk(banner);
+        return platform_driver_register(&s3c2410_rtcdrv);
+}
+
+static void __exit s3c_rtc_exit(void)
+{
+        platform_driver_unregister(&s3c2410_rtcdrv);
+}
+
+module_init(s3c_rtc_init);
+module_exit(s3c_rtc_exit);
+
+MODULE_DESCRIPTION("Samsung S3C RTC Driver");
+MODULE_AUTHOR("Ben Dooks <ben@simtec.co.uk>");
+MODULE_LICENSE("GPL");
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 9cd1cb304bb2..ee4b61ee67b0 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -157,19 +157,19 @@ static int sa1100_rtc_open(struct device *dev)
 {
         int ret;
 
-        ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, SA_INTERRUPT,
+        ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED,
                                 "rtc 1Hz", dev);
         if (ret) {
                 dev_err(dev, "IRQ %d already in use.\n", IRQ_RTC1Hz);
                 goto fail_ui;
         }
-        ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, SA_INTERRUPT,
+        ret = request_irq(IRQ_RTCAlrm, sa1100_rtc_interrupt, IRQF_DISABLED,
                                 "rtc Alrm", dev);
         if (ret) {
                 dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm);
                 goto fail_ai;
         }
-        ret = request_irq(IRQ_OST1, timer1_interrupt, SA_INTERRUPT,
+        ret = request_irq(IRQ_OST1, timer1_interrupt, IRQF_DISABLED,
                                 "rtc timer", dev);
         if (ret) {
                 dev_err(dev, "IRQ %d already in use.\n", IRQ_OST1);
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 4b9291dd4443..bb6d5ff24fd0 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -345,11 +345,11 @@ static int __devinit rtc_probe(struct platform_device *pdev)
         spin_unlock_irq(&rtc_lock);
 
         irq = ELAPSEDTIME_IRQ;
-        retval = request_irq(irq, elapsedtime_interrupt, SA_INTERRUPT,
+        retval = request_irq(irq, elapsedtime_interrupt, IRQF_DISABLED,
                              "elapsed_time", pdev);
         if (retval == 0) {
                 irq = RTCLONG1_IRQ;
-                retval = request_irq(irq, rtclong1_interrupt, SA_INTERRUPT,
+                retval = request_irq(irq, rtclong1_interrupt, IRQF_DISABLED,
                                      "rtclong1", pdev);
         }
 
diff --git a/drivers/sbus/char/aurora.c b/drivers/sbus/char/aurora.c
index 015db40ad8a4..4fdb2c932210 100644
--- a/drivers/sbus/char/aurora.c
+++ b/drivers/sbus/char/aurora.c
@@ -337,19 +337,19 @@ static int aurora_probe(void)
                                 printk("intr pri %d\n", grrr);
 #endif
                                 if ((bp->irq=irqs[bn]) && valid_irq(bp->irq) &&
-                                    !request_irq(bp->irq|0x30, aurora_interrupt, SA_SHIRQ, "sio16", bp)) {
+                                    !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) {
                                         free_irq(bp->irq|0x30, bp);
                                 } else
                                 if ((bp->irq=prom_getint(sdev->prom_node, "bintr")) && valid_irq(bp->irq) &&
-                                    !request_irq(bp->irq|0x30, aurora_interrupt, SA_SHIRQ, "sio16", bp)) {
+                                    !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) {
                                         free_irq(bp->irq|0x30, bp);
                                 } else
                                 if ((bp->irq=prom_getint(sdev->prom_node, "intr")) && valid_irq(bp->irq) &&
-                                    !request_irq(bp->irq|0x30, aurora_interrupt, SA_SHIRQ, "sio16", bp)) {
+                                    !request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) {
                                         free_irq(bp->irq|0x30, bp);
                                 } else
                                 for(grrr=0;grrr<TYPE_1_IRQS;grrr++) {
-                                        if ((bp->irq=type_1_irq[grrr])&&!request_irq(bp->irq|0x30, aurora_interrupt, SA_SHIRQ, "sio16", bp)) {
+                                        if ((bp->irq=type_1_irq[grrr])&&!request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED, "sio16", bp)) {
                                                 free_irq(bp->irq|0x30, bp);
                                                 break;
                                         } else {
@@ -909,14 +909,14 @@ static int aurora_setup_board(struct Aurora_board * bp)
 #ifdef AURORA_ALLIRQ
         int i;
         for (i = 0; i < AURORA_ALLIRQ; i++) {
-                error = request_irq(allirq[i]|0x30, aurora_interrupt, SA_SHIRQ,
+                error = request_irq(allirq[i]|0x30, aurora_interrupt, IRQF_SHARED,
                                     "sio16", bp);
                 if (error)
                         printk(KERN_ERR "IRQ%d request error %d\n",
                                allirq[i], error);
         }
 #else
-        error = request_irq(bp->irq|0x30, aurora_interrupt, SA_SHIRQ,
+        error = request_irq(bp->irq|0x30, aurora_interrupt, IRQF_SHARED,
                             "sio16", bp);
         if (error) {
                 printk(KERN_ERR "IRQ request error %d\n", error);
diff --git a/drivers/sbus/char/bbc_i2c.c b/drivers/sbus/char/bbc_i2c.c
index 73634371393b..7186235594f9 100644
--- a/drivers/sbus/char/bbc_i2c.c
+++ b/drivers/sbus/char/bbc_i2c.c
@@ -377,7 +377,7 @@ static int __init attach_one_i2c(struct linux_ebus_device *edev, int index)
         bp->waiting = 0;
         init_waitqueue_head(&bp->wq);
         if (request_irq(edev->irqs[0], bbc_i2c_interrupt,
-                        SA_SHIRQ, "bbc_i2c", bp))
+                        IRQF_SHARED, "bbc_i2c", bp))
                 goto fail;
 
         bp->index = index;
diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index 21737b7e86a1..836a58bb0305 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -301,7 +301,7 @@ static int wd_open(struct inode *inode, struct file *f)
         {       
                 if (request_irq(wd_dev.irq, 
                                                 &wd_interrupt, 
-                                                SA_SHIRQ,
+                                                IRQF_SHARED,
                                                 WD_OBPNAME,
                                                 (void *)wd_dev.regs)) {
                         printk("%s: Cannot register IRQ %d\n", 
diff --git a/drivers/scsi/3w-9xxx.c b/drivers/scsi/3w-9xxx.c
index b003baf8d404..5a9475e56d0e 100644
--- a/drivers/scsi/3w-9xxx.c
+++ b/drivers/scsi/3w-9xxx.c
@@ -2122,7 +2122,7 @@ static int __devinit twa_probe(struct pci_dev *pdev, const struct pci_device_id
                                      TW_PARAM_PORTCOUNT, TW_PARAM_PORTCOUNT_LENGTH)));
 
         /* Now setup the interrupt handler */
-        retval = request_irq(pdev->irq, twa_interrupt, SA_SHIRQ, "3w-9xxx", tw_dev);
+        retval = request_irq(pdev->irq, twa_interrupt, IRQF_SHARED, "3w-9xxx", tw_dev);
         if (retval) {
                 TW_PRINTK(tw_dev->host, TW_DRIVER, 0x30, "Error requesting IRQ");
                 goto out_remove_host;
diff --git a/drivers/scsi/3w-xxxx.c b/drivers/scsi/3w-xxxx.c
index 17dbd4ac8692..f3a5f422a8e4 100644
--- a/drivers/scsi/3w-xxxx.c
+++ b/drivers/scsi/3w-xxxx.c
@@ -2397,7 +2397,7 @@ static int __devinit tw_probe(struct pci_dev *pdev, const struct pci_device_id *
         printk(KERN_WARNING "3w-xxxx: scsi%d: Found a 3ware Storage Controller at 0x%x, IRQ: %d.\n", host->host_no, tw_dev->base_addr, pdev->irq);
 
         /* Now setup the interrupt handler */
-        retval = request_irq(pdev->irq, tw_interrupt, SA_SHIRQ, "3w-xxxx", tw_dev);
+        retval = request_irq(pdev->irq, tw_interrupt, IRQF_SHARED, "3w-xxxx", tw_dev);
         if (retval) {
                 printk(KERN_WARNING "3w-xxxx: Error requesting IRQ.");
                 goto out_remove_host;
diff --git a/drivers/scsi/53c7xx.c b/drivers/scsi/53c7xx.c
index c9bd0335995d..c690c2b89e41 100644
--- a/drivers/scsi/53c7xx.c
+++ b/drivers/scsi/53c7xx.c
@@ -1070,7 +1070,7 @@ NCR53c7x0_init (struct Scsi_Host *host) {
 
     NCR53c7x0_driver_init (host);
 
-    if (request_irq(host->irq, NCR53c7x0_intr, SA_SHIRQ, "53c7xx", host))
+    if (request_irq(host->irq, NCR53c7x0_intr, IRQF_SHARED, "53c7xx", host))
     {
         printk("scsi%d : IRQ%d not free, detaching\n",
                 host->host_no, host->irq);
@@ -4232,7 +4232,7 @@ restart:
  * Purpose : handle NCR53c7x0 interrupts for all NCR devices sharing
  *      the same IRQ line.  
  * 
- * Inputs : Since we're using the SA_INTERRUPT interrupt handler
+ * Inputs : Since we're using the IRQF_DISABLED interrupt handler
  *      semantics, irq indicates the interrupt which invoked 
  *      this handler.  
  *
diff --git a/drivers/scsi/BusLogic.c b/drivers/scsi/BusLogic.c
index 259b47ec4f54..16a12a3b7b2b 100644
--- a/drivers/scsi/BusLogic.c
+++ b/drivers/scsi/BusLogic.c
@@ -1844,7 +1844,7 @@ static boolean __init BusLogic_AcquireResources(struct BusLogic_HostAdapter *Hos
         /*
            Acquire shared access to the IRQ Channel.
          */
-        if (request_irq(HostAdapter->IRQ_Channel, BusLogic_InterruptHandler, SA_SHIRQ, HostAdapter->FullModelName, HostAdapter) < 0) {
+        if (request_irq(HostAdapter->IRQ_Channel, BusLogic_InterruptHandler, IRQF_SHARED, HostAdapter->FullModelName, HostAdapter) < 0) {
                 BusLogic_Error("UNABLE TO ACQUIRE IRQ CHANNEL %d - DETACHING\n", HostAdapter, HostAdapter->IRQ_Channel);
                 return false;
         }
diff --git a/drivers/scsi/NCR5380.c b/drivers/scsi/NCR5380.c
index 75f2f7ae2a8e..616810ad17d8 100644
--- a/drivers/scsi/NCR5380.c
+++ b/drivers/scsi/NCR5380.c
@@ -585,7 +585,7 @@ static int __init NCR5380_probe_irq(struct Scsi_Host *instance, int possible)
         NCR5380_setup(instance);
 
         for (trying_irqs = i = 0, mask = 1; i < 16; ++i, mask <<= 1)
-                if ((mask & possible) && (request_irq(i, &probe_intr, SA_INTERRUPT, "NCR-probe", NULL) == 0))
+                if ((mask & possible) && (request_irq(i, &probe_intr, IRQF_DISABLED, "NCR-probe", NULL) == 0))
                         trying_irqs |= mask;
 
         timeout = jiffies + (250 * HZ / 1000);
diff --git a/drivers/scsi/NCR_D700.c b/drivers/scsi/NCR_D700.c
index 577e63499778..a06f547e87f7 100644
--- a/drivers/scsi/NCR_D700.c
+++ b/drivers/scsi/NCR_D700.c
@@ -320,7 +320,7 @@ NCR_D700_probe(struct device *dev)
         memset(p, '\0', sizeof(*p));
         p->dev = dev;
         snprintf(p->name, sizeof(p->name), "D700(%s)", dev->bus_id);
-        if (request_irq(irq, NCR_D700_intr, SA_SHIRQ, p->name, p)) {
+        if (request_irq(irq, NCR_D700_intr, IRQF_SHARED, p->name, p)) {
                 printk(KERN_ERR "D700: request_irq failed\n");
                 kfree(p);
                 return -EBUSY;
diff --git a/drivers/scsi/NCR_Q720.c b/drivers/scsi/NCR_Q720.c
index 9d18ec90510f..c39ffbb86e39 100644
--- a/drivers/scsi/NCR_Q720.c
+++ b/drivers/scsi/NCR_Q720.c
@@ -265,7 +265,7 @@ NCR_Q720_probe(struct device *dev)
         p->irq = irq;
         p->siops = siops;
 
-        if (request_irq(irq, NCR_Q720_intr, SA_SHIRQ, "NCR_Q720", p)) {
+        if (request_irq(irq, NCR_Q720_intr, IRQF_SHARED, "NCR_Q720", p)) {
                 printk(KERN_ERR "NCR_Q720: request irq %d failed\n", irq);
                 goto out_release;
         }
diff --git a/drivers/scsi/a100u2w.c b/drivers/scsi/a100u2w.c
index 3dce21c78737..d7e9fab54c60 100644
--- a/drivers/scsi/a100u2w.c
+++ b/drivers/scsi/a100u2w.c
@@ -1120,7 +1120,7 @@ static int __devinit inia100_probe_one(struct pci_dev *pdev,
         shost->sg_tablesize = TOTAL_SG_ENTRY;
 
         /* Initial orc chip           */
-        error = request_irq(pdev->irq, inia100_intr, SA_SHIRQ,
+        error = request_irq(pdev->irq, inia100_intr, IRQF_SHARED,
                         "inia100", shost);
         if (error < 0) {
                 printk(KERN_WARNING "inia100: unable to get irq %d\n",
diff --git a/drivers/scsi/a2091.c b/drivers/scsi/a2091.c
index 54996eaae979..fddfa2ebcd70 100644
--- a/drivers/scsi/a2091.c
+++ b/drivers/scsi/a2091.c
@@ -208,7 +208,7 @@ int __init a2091_detect(struct scsi_host_template *tpnt)
         regs.SASR = &(DMA(instance)->SASR);
         regs.SCMD = &(DMA(instance)->SCMD);
         wd33c93_init(instance, regs, dma_setup, dma_stop, WD33C93_FS_8_10);
-        request_irq(IRQ_AMIGA_PORTS, a2091_intr, SA_SHIRQ, "A2091 SCSI",
+        request_irq(IRQ_AMIGA_PORTS, a2091_intr, IRQF_SHARED, "A2091 SCSI",
                     instance);
         DMA(instance)->CNTR = CNTR_PDMD | CNTR_INTEN;
         num_a2091++;
diff --git a/drivers/scsi/a3000.c b/drivers/scsi/a3000.c
index f425d424bf08..ae9ab4b136ac 100644
--- a/drivers/scsi/a3000.c
+++ b/drivers/scsi/a3000.c
@@ -190,7 +190,7 @@ int __init a3000_detect(struct scsi_host_template *tpnt)
     regs.SASR = &(DMA(a3000_host)->SASR);
     regs.SCMD = &(DMA(a3000_host)->SCMD);
     wd33c93_init(a3000_host, regs, dma_setup, dma_stop, WD33C93_FS_12_15);
-    if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, SA_SHIRQ, "A3000 SCSI",
+    if (request_irq(IRQ_AMIGA_PORTS, a3000_intr, IRQF_SHARED, "A3000 SCSI",
                     a3000_intr))
         goto fail_irq;
     DMA(a3000_host)->CNTR = CNTR_PDMD | CNTR_INTEN;
diff --git a/drivers/scsi/aacraid/rkt.c b/drivers/scsi/aacraid/rkt.c
index 5b52966bbbf3..458ea897fd72 100644
--- a/drivers/scsi/aacraid/rkt.c
+++ b/drivers/scsi/aacraid/rkt.c
@@ -453,7 +453,7 @@ int aac_rkt_init(struct aac_dev *dev)
                 }
                 msleep(1);
         }
-        if (request_irq(dev->scsi_host_ptr->irq, aac_rkt_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0) 
+        if (request_irq(dev->scsi_host_ptr->irq, aac_rkt_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev)<0)
         {
                 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", name, instance);
                 goto error_iounmap;
diff --git a/drivers/scsi/aacraid/rx.c b/drivers/scsi/aacraid/rx.c
index 9dadfb28b3f1..035018db69b1 100644
--- a/drivers/scsi/aacraid/rx.c
+++ b/drivers/scsi/aacraid/rx.c
@@ -453,7 +453,7 @@ int aac_rx_init(struct aac_dev *dev)
                 }
                 msleep(1);
         }
-        if (request_irq(dev->scsi_host_ptr->irq, aac_rx_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev)<0) 
+        if (request_irq(dev->scsi_host_ptr->irq, aac_rx_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev)<0)
         {
                 printk(KERN_ERR "%s%d: Interrupt unavailable.\n", name, instance);
                 goto error_iounmap;
diff --git a/drivers/scsi/aacraid/sa.c b/drivers/scsi/aacraid/sa.c
index 88d400fccc94..cd586cc8f9be 100644
--- a/drivers/scsi/aacraid/sa.c
+++ b/drivers/scsi/aacraid/sa.c
@@ -327,7 +327,7 @@ int aac_sa_init(struct aac_dev *dev)
                 msleep(1);
         }
 
-        if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, SA_SHIRQ|SA_INTERRUPT, "aacraid", (void *)dev ) < 0) {
+        if (request_irq(dev->scsi_host_ptr->irq, aac_sa_intr, IRQF_SHARED|IRQF_DISABLED, "aacraid", (void *)dev ) < 0) {
                 printk(KERN_WARNING "%s%d: Interrupt unavailable.\n", name, instance);
                 goto error_iounmap;
         }
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 537136457ea0..e32b4ab2f8fb 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -371,7 +371,7 @@
 
      1.5 (8/8/96):
          1. Add support for ABP-940U (PCI Ultra) adapter.
-         2. Add support for IRQ sharing by setting the SA_SHIRQ flag for
+         2. Add support for IRQ sharing by setting the IRQF_SHARED flag for
             request_irq and supplying a dev_id pointer to both request_irq()
             and free_irq().
          3. In AscSearchIOPortAddr11() restore a call to check_region() which
@@ -504,9 +504,9 @@
          3. For v2.1.93 and newer kernels use CONFIG_PCI and new PCI BIOS
             access functions.
          4. Update board serial number printing.
-         5. Try allocating an IRQ both with and without the SA_INTERRUPT
+         5. Try allocating an IRQ both with and without the IRQF_DISABLED
             flag set to allow IRQ sharing with drivers that do not set
-            the SA_INTERRUPT flag. Also display a more descriptive error
+            the IRQF_DISABLED flag. Also display a more descriptive error
             message if request_irq() fails.
          6. Update to latest Asc and Adv Libraries.
 
@@ -5202,19 +5202,19 @@ advansys_detect(struct scsi_host_template *tpnt)
             /* Register IRQ Number. */
             ASC_DBG1(2, "advansys_detect: request_irq() %d\n", shp->irq);
            /*
-            * If request_irq() fails with the SA_INTERRUPT flag set,
-            * then try again without the SA_INTERRUPT flag set. This
+            * If request_irq() fails with the IRQF_DISABLED flag set,
+            * then try again without the IRQF_DISABLED flag set. This
             * allows IRQ sharing to work even with other drivers that
-            * do not set the SA_INTERRUPT flag.
+            * do not set the IRQF_DISABLED flag.
             *
-            * If SA_INTERRUPT is not set, then interrupts are enabled
+            * If IRQF_DISABLED is not set, then interrupts are enabled
             * before the driver interrupt function is called.
             */
             if (((ret = request_irq(shp->irq, advansys_interrupt,
-                            SA_INTERRUPT | (share_irq == TRUE ? SA_SHIRQ : 0),
+                            IRQF_DISABLED | (share_irq == TRUE ? IRQF_SHARED : 0),
                             "advansys", boardp)) != 0) &&
                 ((ret = request_irq(shp->irq, advansys_interrupt,
-                            (share_irq == TRUE ? SA_SHIRQ : 0),
+                            (share_irq == TRUE ? IRQF_SHARED : 0),
                             "advansys", boardp)) != 0))
             {
                 if (ret == -EBUSY) {
diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index de80cdfb5b9d..36e63f82d9f8 100644
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -855,7 +855,7 @@ struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *setup)
         SETPORT(SIMODE0, 0);
         SETPORT(SIMODE1, 0);
 
-        if( request_irq(shpnt->irq, swintr, SA_INTERRUPT|SA_SHIRQ, "aha152x", shpnt) ) {
+        if( request_irq(shpnt->irq, swintr, IRQF_DISABLED|IRQF_SHARED, "aha152x", shpnt) ) {
                 printk(KERN_ERR "aha152x%d: irq %d busy.\n", shpnt->host_no, shpnt->irq);
                 goto out_host_put;
         }
@@ -889,7 +889,7 @@ struct Scsi_Host *aha152x_probe_one(struct aha152x_setup *setup)
         SETPORT(SSTAT0, 0x7f);
         SETPORT(SSTAT1, 0xef);
 
-        if ( request_irq(shpnt->irq, intr, SA_INTERRUPT|SA_SHIRQ, "aha152x", shpnt) ) {
+        if ( request_irq(shpnt->irq, intr, IRQF_DISABLED|IRQF_SHARED, "aha152x", shpnt) ) {
                 printk(KERN_ERR "aha152x%d: failed to reassign irq %d.\n", shpnt->host_no, shpnt->irq);
                 goto out_host_put;
         }
diff --git a/drivers/scsi/aha1740.c b/drivers/scsi/aha1740.c
index 4b8c6a543925..0e4a7ebe300a 100644
--- a/drivers/scsi/aha1740.c
+++ b/drivers/scsi/aha1740.c
@@ -634,7 +634,7 @@ static int aha1740_probe (struct device *dev)
         }
         
         DEB(printk("aha1740_probe: enable interrupt channel %d\n",irq_level));
-        if (request_irq(irq_level,aha1740_intr_handle,irq_type ? 0 : SA_SHIRQ,
+        if (request_irq(irq_level,aha1740_intr_handle,irq_type ? 0 : IRQF_SHARED,
                         "aha1740",shpnt)) {
                 printk(KERN_ERR "aha1740_probe: Unable to allocate IRQ %d.\n",
                        irq_level);
diff --git a/drivers/scsi/ahci.c b/drivers/scsi/ahci.c
index f05946777718..15f6cd4279b7 100644
--- a/drivers/scsi/ahci.c
+++ b/drivers/scsi/ahci.c
@@ -1371,7 +1371,7 @@ static int ahci_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         probe_ent->port_ops     = ahci_port_info[board_idx].port_ops;
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
         probe_ent->private_data = hpriv;
 
diff --git a/drivers/scsi/aic7xxx/aic7770_osm.c b/drivers/scsi/aic7xxx/aic7770_osm.c
index d754b3267863..867cbe23579b 100644
--- a/drivers/scsi/aic7xxx/aic7770_osm.c
+++ b/drivers/scsi/aic7xxx/aic7770_osm.c
@@ -65,7 +65,7 @@ aic7770_map_int(struct ahc_softc *ahc, u_int irq)
 
         shared = 0;
         if ((ahc->flags & AHC_EDGE_INTERRUPT) == 0)
-                shared = SA_SHIRQ;
+                shared = IRQF_SHARED;
 
         error = request_irq(irq, ahc_linux_isr, shared, "aic7xxx", ahc);
         if (error == 0)
diff --git a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
index ebbf7e4ff4cc..50a41eda580e 100644
--- a/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic79xx_osm_pci.c
@@ -342,7 +342,7 @@ ahd_pci_map_int(struct ahd_softc *ahd)
         int error;
 
         error = request_irq(ahd->dev_softc->irq, ahd_linux_isr,
-                            SA_SHIRQ, "aic79xx", ahd);
+                            IRQF_SHARED, "aic79xx", ahd);
         if (!error)
                 ahd->platform_data->irq = ahd->dev_softc->irq;
         
diff --git a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
index 0c9c2f400bf6..7e42f07a27f3 100644
--- a/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
+++ b/drivers/scsi/aic7xxx/aic7xxx_osm_pci.c
@@ -375,7 +375,7 @@ ahc_pci_map_int(struct ahc_softc *ahc)
         int error;
 
         error = request_irq(ahc->dev_softc->irq, ahc_linux_isr,
-                            SA_SHIRQ, "aic7xxx", ahc);
+                            IRQF_SHARED, "aic7xxx", ahc);
         if (error == 0)
                 ahc->platform_data->irq = ahc->dev_softc->irq;
         
diff --git a/drivers/scsi/aic7xxx_old.c b/drivers/scsi/aic7xxx_old.c
index 5dba1c63122e..3f85b5e978f1 100644
--- a/drivers/scsi/aic7xxx_old.c
+++ b/drivers/scsi/aic7xxx_old.c
@@ -8322,11 +8322,11 @@ aic7xxx_register(struct scsi_host_template *template, struct aic7xxx_host *p,
   }
   else
   {
-    result = (request_irq(p->irq, do_aic7xxx_isr, SA_SHIRQ,
+    result = (request_irq(p->irq, do_aic7xxx_isr, IRQF_SHARED,
               "aic7xxx", p));
     if (result < 0)
     {
-      result = (request_irq(p->irq, do_aic7xxx_isr, SA_INTERRUPT | SA_SHIRQ,
+      result = (request_irq(p->irq, do_aic7xxx_isr, IRQF_DISABLED | IRQF_SHARED,
               "aic7xxx", p));
     }
   }
diff --git a/drivers/scsi/arm/acornscsi.c b/drivers/scsi/arm/acornscsi.c
index 1b9900b58956..7621e3fa37b1 100644
--- a/drivers/scsi/arm/acornscsi.c
+++ b/drivers/scsi/arm/acornscsi.c
@@ -3030,7 +3030,7 @@ acornscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
         if (!request_region(host->io_port, 2048, "acornscsi(ram)"))
                 goto err_5;
 
-        ret = request_irq(host->irq, acornscsi_intr, SA_INTERRUPT, "acornscsi", ashost);
+        ret = request_irq(host->irq, acornscsi_intr, IRQF_DISABLED, "acornscsi", ashost);
         if (ret) {
                 printk(KERN_CRIT "scsi%d: IRQ%d not free: %d\n",
                         host->host_no, ashost->scsi.irq, ret);
diff --git a/drivers/scsi/arm/cumana_1.c b/drivers/scsi/arm/cumana_1.c
index e6c9491dc5c0..3bdfc36481ae 100644
--- a/drivers/scsi/arm/cumana_1.c
+++ b/drivers/scsi/arm/cumana_1.c
@@ -277,7 +277,7 @@ cumanascsi1_probe(struct expansion_card *ec, const struct ecard_id *id)
         ((struct NCR5380_hostdata *)host->hostdata)->ctrl = 0;
         outb(0x00, host->io_port - 577);
 
-        ret = request_irq(host->irq, cumanascsi_intr, SA_INTERRUPT,
+        ret = request_irq(host->irq, cumanascsi_intr, IRQF_DISABLED,
                           "CumanaSCSI-1", host);
         if (ret) {
                 printk("scsi%d: IRQ%d not free: %d\n",
diff --git a/drivers/scsi/arm/cumana_2.c b/drivers/scsi/arm/cumana_2.c
index fad2109268bb..719af0dcc0e5 100644
--- a/drivers/scsi/arm/cumana_2.c
+++ b/drivers/scsi/arm/cumana_2.c
@@ -460,7 +460,7 @@ cumanascsi2_probe(struct expansion_card *ec, const struct ecard_id *id)
                 goto out_free;
 
         ret = request_irq(ec->irq, cumanascsi_2_intr,
-                          SA_INTERRUPT, "cumanascsi2", info);
+                          IRQF_DISABLED, "cumanascsi2", info);
         if (ret) {
                 printk("scsi%d: IRQ%d not free: %d\n",
                        host->host_no, ec->irq, ret);
diff --git a/drivers/scsi/arm/powertec.c b/drivers/scsi/arm/powertec.c
index 3d69f6c45a6b..b2c346a47052 100644
--- a/drivers/scsi/arm/powertec.c
+++ b/drivers/scsi/arm/powertec.c
@@ -373,7 +373,7 @@ powertecscsi_probe(struct expansion_card *ec, const struct ecard_id *id)
                 goto out_free;
 
         ret = request_irq(ec->irq, powertecscsi_intr,
-                          SA_INTERRUPT, "powertec", info);
+                          IRQF_DISABLED, "powertec", info);
         if (ret) {
                 printk("scsi%d: IRQ%d not free: %d\n",
                        host->host_no, ec->irq, ret);
diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c
index 3ee4d4d3f445..412f8301b757 100644
--- a/drivers/scsi/atp870u.c
+++ b/drivers/scsi/atp870u.c
@@ -2751,7 +2751,7 @@ flash_ok_880:
                         goto unregister;
                 }
 
-                if (request_irq(pdev->irq, atp870u_intr_handle, SA_SHIRQ, "atp880i", shpnt)) {
+                if (request_irq(pdev->irq, atp870u_intr_handle, IRQF_SHARED, "atp880i", shpnt)) {
                         printk(KERN_ERR "Unable to allocate IRQ%d for Acard controller.\n", pdev->irq);
                         goto free_tables;
                 }
@@ -2822,7 +2822,7 @@ flash_ok_880:
 #ifdef ED_DBGP          
         printk("request_irq() shpnt %p hostdata %p\n", shpnt, p);
 #endif          
-                if (request_irq(pdev->irq, atp870u_intr_handle, SA_SHIRQ, "atp870u", shpnt)) {
+                if (request_irq(pdev->irq, atp870u_intr_handle, IRQF_SHARED, "atp870u", shpnt)) {
                                 printk(KERN_ERR "Unable to allocate IRQ for Acard controller.\n");
                         goto free_tables;
                 }
@@ -3004,7 +3004,7 @@ flash_ok_885:
                 if (atp870u_init_tables(shpnt) < 0)
                         goto unregister;
 
-                if (request_irq(pdev->irq, atp870u_intr_handle, SA_SHIRQ, "atp870i", shpnt)) {
+                if (request_irq(pdev->irq, atp870u_intr_handle, IRQF_SHARED, "atp870i", shpnt)) {
                         printk(KERN_ERR "Unable to allocate IRQ%d for Acard controller.\n", pdev->irq);
                         goto free_tables;
                 }
diff --git a/drivers/scsi/blz1230.c b/drivers/scsi/blz1230.c
index 3867ac2de4c2..329a8f297b31 100644
--- a/drivers/scsi/blz1230.c
+++ b/drivers/scsi/blz1230.c
@@ -172,7 +172,7 @@ int __init blz1230_esp_detect(struct scsi_host_template *tpnt)
 
                 esp->irq = IRQ_AMIGA_PORTS;
                 esp->slot = board+REAL_BLZ1230_ESP_ADDR;
-                if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                if (request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                                  "Blizzard 1230 SCSI IV", esp->ehost))
                         goto err_out;
 
diff --git a/drivers/scsi/blz2060.c b/drivers/scsi/blz2060.c
index 4ebe69e32756..b6c137b97350 100644
--- a/drivers/scsi/blz2060.c
+++ b/drivers/scsi/blz2060.c
@@ -146,7 +146,7 @@ int __init blz2060_esp_detect(struct scsi_host_template *tpnt)
                 esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);
 
                 esp->irq = IRQ_AMIGA_PORTS;
-                request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                             "Blizzard 2060 SCSI", esp->ehost);
 
                 /* Figure out our scsi ID on the bus */
diff --git a/drivers/scsi/cyberstorm.c b/drivers/scsi/cyberstorm.c
index a4a4fac5c0a1..7c7cfb54e897 100644
--- a/drivers/scsi/cyberstorm.c
+++ b/drivers/scsi/cyberstorm.c
@@ -172,7 +172,7 @@ int __init cyber_esp_detect(struct scsi_host_template *tpnt)
                 esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);
 
                 esp->irq = IRQ_AMIGA_PORTS;
-                request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                             "CyberStorm SCSI", esp->ehost);
                 /* Figure out our scsi ID on the bus */
                 /* The DMA cond flag contains a hardcoded jumper bit
diff --git a/drivers/scsi/cyberstormII.c b/drivers/scsi/cyberstormII.c
index 3a803d73bc5f..d88cb9cf091e 100644
--- a/drivers/scsi/cyberstormII.c
+++ b/drivers/scsi/cyberstormII.c
@@ -153,7 +153,7 @@ int __init cyberII_esp_detect(struct scsi_host_template *tpnt)
                 esp->esp_command_dvma = virt_to_bus((void *)cmd_buffer);
 
                 esp->irq = IRQ_AMIGA_PORTS;
-                request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                             "CyberStorm SCSI Mk II", esp->ehost);
 
                 /* Figure out our scsi ID on the bus */
diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c
index 58b0748045ee..ff2b1796fa34 100644
--- a/drivers/scsi/dc395x.c
+++ b/drivers/scsi/dc395x.c
@@ -4562,7 +4562,7 @@ static int __devinit adapter_init(struct AdapterCtlBlk *acb,
         acb->io_port_base = io_port;
         acb->io_port_len = io_port_len;
         
-        if (request_irq(irq, dc395x_interrupt, SA_SHIRQ, DC395X_NAME, acb)) {
+        if (request_irq(irq, dc395x_interrupt, IRQF_SHARED, DC395X_NAME, acb)) {
                 /* release the region we just claimed */
                 dprintkl(KERN_INFO, "Failed to register IRQ\n");
                 goto failed;
diff --git a/drivers/scsi/dec_esp.c b/drivers/scsi/dec_esp.c
index a35ee43a48df..eb32062f7e68 100644
--- a/drivers/scsi/dec_esp.c
+++ b/drivers/scsi/dec_esp.c
@@ -202,19 +202,19 @@ static int dec_esp_detect(struct scsi_host_template * tpnt)
 
                 esp_initialize(esp);
 
-                if (request_irq(esp->irq, esp_intr, SA_INTERRUPT,
+                if (request_irq(esp->irq, esp_intr, IRQF_DISABLED,
                                 "ncr53c94", esp->ehost))
                         goto err_dealloc;
                 if (request_irq(dec_interrupt[DEC_IRQ_ASC_MERR],
-                                scsi_dma_merr_int, SA_INTERRUPT,
+                                scsi_dma_merr_int, IRQF_DISABLED,
                                 "ncr53c94 error", esp->ehost))
                         goto err_free_irq;
                 if (request_irq(dec_interrupt[DEC_IRQ_ASC_ERR],
-                                scsi_dma_err_int, SA_INTERRUPT,
+                                scsi_dma_err_int, IRQF_DISABLED,
                                 "ncr53c94 overrun", esp->ehost))
                         goto err_free_irq_merr;
                 if (request_irq(dec_interrupt[DEC_IRQ_ASC_DMA],
-                                scsi_dma_int, SA_INTERRUPT,
+                                scsi_dma_int, IRQF_DISABLED,
                                 "ncr53c94 dma", esp->ehost))
                         goto err_free_irq_err;
 
@@ -276,7 +276,7 @@ static int dec_esp_detect(struct scsi_host_template * tpnt)
                         esp->dma_mmu_release_scsi_sgl = 0;
                         esp->dma_advance_sg = 0;
 
-                        if (request_irq(esp->irq, esp_intr, SA_INTERRUPT,
+                        if (request_irq(esp->irq, esp_intr, IRQF_DISABLED,
                                          "PMAZ_AA", esp->ehost)) {
                                 esp_deallocate(esp);
                                 release_tc_card(slot);
diff --git a/drivers/scsi/dmx3191d.c b/drivers/scsi/dmx3191d.c
index 38e4010eff96..879a26657676 100644
--- a/drivers/scsi/dmx3191d.c
+++ b/drivers/scsi/dmx3191d.c
@@ -94,7 +94,7 @@ static int __devinit dmx3191d_probe_one(struct pci_dev *pdev,
 
         NCR5380_init(shost, FLAG_NO_PSEUDO_DMA | FLAG_DTC3181E);
 
-        if (request_irq(pdev->irq, NCR5380_intr, SA_SHIRQ,
+        if (request_irq(pdev->irq, NCR5380_intr, IRQF_SHARED,
                                 DMX3191D_DRIVER_NAME, shost)) {
                 /*
                  * Steam powered scsi controllers run without an IRQ anyway
diff --git a/drivers/scsi/dpt_i2o.c b/drivers/scsi/dpt_i2o.c
index b1b704a42efd..e1337339cacc 100644
--- a/drivers/scsi/dpt_i2o.c
+++ b/drivers/scsi/dpt_i2o.c
@@ -1009,7 +1009,7 @@ static int adpt_install_hba(struct scsi_host_template* sht, struct pci_dev* pDev
                 printk(KERN_INFO"     BAR1 %p - size= %x\n",msg_addr_virt,hba_map1_area_size);
         }
 
-        if (request_irq (pDev->irq, adpt_isr, SA_SHIRQ, pHba->name, pHba)) {
+        if (request_irq (pDev->irq, adpt_isr, IRQF_SHARED, pHba->name, pHba)) {
                 printk(KERN_ERR"%s: Couldn't register IRQ %d\n", pHba->name, pDev->irq);
                 adpt_i2o_delete_hba(pHba);
                 return -EINVAL;
diff --git a/drivers/scsi/dtc.c b/drivers/scsi/dtc.c
index c5108c8c887b..0d5713dfa204 100644
--- a/drivers/scsi/dtc.c
+++ b/drivers/scsi/dtc.c
@@ -280,7 +280,7 @@ found:
                 /* With interrupts enabled, it will sometimes hang when doing heavy
                  * reads. So better not enable them until I finger it out. */
                 if (instance->irq != SCSI_IRQ_NONE)
-                        if (request_irq(instance->irq, dtc_intr, SA_INTERRUPT, "dtc", instance)) {
+                        if (request_irq(instance->irq, dtc_intr, IRQF_DISABLED, "dtc", instance)) {
                                 printk(KERN_ERR "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
                                 instance->irq = SCSI_IRQ_NONE;
                         }
diff --git a/drivers/scsi/eata.c b/drivers/scsi/eata.c
index 67c419402d8a..a5ff43b1b263 100644
--- a/drivers/scsi/eata.c
+++ b/drivers/scsi/eata.c
@@ -1221,7 +1221,7 @@ static int port_detect(unsigned long port_base, unsigned int j,
 
         /* Board detected, allocate its IRQ */
         if (request_irq(irq, do_interrupt_handler,
-                        SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
+                        IRQF_DISABLED | ((subversion == ESA) ? IRQF_SHARED : 0),
                         driver_name, (void *)&sha[j])) {
                 printk("%s: unable to allocate IRQ %u, detaching.\n", name,
                        irq);
diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index d8c9ec21e0ef..771b01984cbc 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -731,7 +731,7 @@ static int register_pio_HBA(long base, struct get_conf *gc)
                 return 0;
 
         if (!reg_IRQ[gc->IRQ]) {        /* Interrupt already registered ? */
-                if (!request_irq(gc->IRQ, do_eata_pio_int_handler, SA_INTERRUPT, "EATA-PIO", sh)) {
+                if (!request_irq(gc->IRQ, do_eata_pio_int_handler, IRQF_DISABLED, "EATA-PIO", sh)) {
                         reg_IRQ[gc->IRQ]++;
                         if (!gc->IRQ_TR)
                                 reg_IRQL[gc->IRQ] = 1;  /* IRQ is edge triggered */
@@ -965,7 +965,7 @@ static int eata_pio_detect(struct scsi_host_template *tpnt)
 
         for (i = 0; i <= MAXIRQ; i++)
                 if (reg_IRQ[i])
-                        request_irq(i, do_eata_pio_int_handler, SA_INTERRUPT, "EATA-PIO", NULL);
+                        request_irq(i, do_eata_pio_int_handler, IRQF_DISABLED, "EATA-PIO", NULL);
 
         HBA_ptr = first_HBA;
 
diff --git a/drivers/scsi/esp.c b/drivers/scsi/esp.c
index 36c50b61f94d..10573c24a50b 100644
--- a/drivers/scsi/esp.c
+++ b/drivers/scsi/esp.c
@@ -778,7 +778,7 @@ static int __init esp_register_irq(struct esp *esp)
          * sanely maintain.
          */
         if (request_irq(esp->ehost->irq, esp_intr,
-                        SA_SHIRQ, "ESP SCSI", esp)) {
+                        IRQF_SHARED, "ESP SCSI", esp)) {
                 printk("esp%d: Cannot acquire irq line\n",
                        esp->esp_id);
                 return -1;
diff --git a/drivers/scsi/fastlane.c b/drivers/scsi/fastlane.c
index 8ae9c406a83b..2a1c5c22b9e0 100644
--- a/drivers/scsi/fastlane.c
+++ b/drivers/scsi/fastlane.c
@@ -210,7 +210,7 @@ int __init fastlane_esp_detect(struct scsi_host_template *tpnt)
 
                 esp->irq = IRQ_AMIGA_PORTS;
                 esp->slot = board+FASTLANE_ESP_ADDR;
-                if (request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                if (request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                                 "Fastlane SCSI", esp->ehost)) {
                         printk(KERN_WARNING "Fastlane: Could not get IRQ%d, aborting.\n", IRQ_AMIGA_PORTS);
                         goto err_unmap;
diff --git a/drivers/scsi/fd_mcs.c b/drivers/scsi/fd_mcs.c
index 70a1606bd580..dde3edf35c03 100644
--- a/drivers/scsi/fd_mcs.c
+++ b/drivers/scsi/fd_mcs.c
@@ -400,7 +400,7 @@ static int fd_mcs_detect(struct scsi_host_template * tpnt)
                                 mca_set_adapter_name(slot - 1, fd_mcs_adapters[loop].name);
 
                                 /* check irq/region */
-                                if (request_irq(irq, fd_mcs_intr, SA_SHIRQ, "fd_mcs", hosts)) {
+                                if (request_irq(irq, fd_mcs_intr, IRQF_SHARED, "fd_mcs", hosts)) {
                                         printk(KERN_ERR "fd_mcs: interrupt is not available, skipping...\n");
                                         continue;
                                 }
diff --git a/drivers/scsi/fdomain.c b/drivers/scsi/fdomain.c
index 03356887202d..b0694dcce246 100644
--- a/drivers/scsi/fdomain.c
+++ b/drivers/scsi/fdomain.c
@@ -949,7 +949,7 @@ struct Scsi_Host *__fdomain_16x0_detect(struct scsi_host_template *tpnt )
       /* Register the IRQ with the kernel */
 
       retcode = request_irq( interrupt_level,
-                             do_fdomain_16x0_intr, pdev?SA_SHIRQ:0, "fdomain", shpnt);
+                             do_fdomain_16x0_intr, pdev?IRQF_SHARED:0, "fdomain", shpnt);
 
       if (retcode < 0) {
          if (retcode == -EINVAL) {
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index fbc8e16c8d15..67f1100f3103 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -461,7 +461,7 @@ int __init generic_NCR5380_detect(struct scsi_host_template * tpnt)
                         instance->irq = NCR5380_probe_irq(instance, 0xffff);
 
                 if (instance->irq != SCSI_IRQ_NONE)
-                        if (request_irq(instance->irq, generic_NCR5380_intr, SA_INTERRUPT, "NCR5380", instance)) {
+                        if (request_irq(instance->irq, generic_NCR5380_intr, IRQF_DISABLED, "NCR5380", instance)) {
                                 printk(KERN_WARNING "scsi%d : IRQ%d not free, interrupts disabled\n", instance->host_no, instance->irq);
                                 instance->irq = SCSI_IRQ_NONE;
                         }
diff --git a/drivers/scsi/gdth.c b/drivers/scsi/gdth.c
index 76071a158306..43afd476e606 100644
--- a/drivers/scsi/gdth.c
+++ b/drivers/scsi/gdth.c
@@ -4350,7 +4350,7 @@ static int __init gdth_detect(Scsi_Host_Template *shtp)
                 printk("Configuring GDT-ISA HA at BIOS 0x%05X IRQ %u DRQ %u\n",
                        isa_bios,ha->irq,ha->drq);
 
-                if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) {
+                if (request_irq(ha->irq,gdth_interrupt,IRQF_DISABLED,"gdth",ha)) {
                     printk("GDT-ISA: Unable to allocate IRQ\n");
                     scsi_unregister(shp);
                     continue;
@@ -4476,7 +4476,7 @@ static int __init gdth_detect(Scsi_Host_Template *shtp)
                 printk("Configuring GDT-EISA HA at Slot %d IRQ %u\n",
                        eisa_slot>>12,ha->irq);
 
-                if (request_irq(ha->irq,gdth_interrupt,SA_INTERRUPT,"gdth",ha)) {
+                if (request_irq(ha->irq,gdth_interrupt,IRQF_DISABLED,"gdth",ha)) {
                     printk("GDT-EISA: Unable to allocate IRQ\n");
                     scsi_unregister(shp);
                     continue;
@@ -4603,7 +4603,7 @@ static int __init gdth_detect(Scsi_Host_Template *shtp)
                pcistr[ctr].bus,PCI_SLOT(pcistr[ctr].device_fn),ha->irq);
 
         if (request_irq(ha->irq, gdth_interrupt,
-                        SA_INTERRUPT|SA_SHIRQ, "gdth", ha))
+                        IRQF_DISABLED|IRQF_SHARED, "gdth", ha))
         {
             printk("GDT-PCI: Unable to allocate IRQ\n");
             scsi_unregister(shp);
diff --git a/drivers/scsi/gvp11.c b/drivers/scsi/gvp11.c
index 5b154498056d..a0d831b1bada 100644
--- a/drivers/scsi/gvp11.c
+++ b/drivers/scsi/gvp11.c
@@ -328,7 +328,7 @@ int __init gvp11_detect(struct scsi_host_template *tpnt)
                      (epc & GVP_SCSICLKMASK) ? WD33C93_FS_8_10
                                              : WD33C93_FS_12_15);
 
-        request_irq(IRQ_AMIGA_PORTS, gvp11_intr, SA_SHIRQ, "GVP11 SCSI",
+        request_irq(IRQ_AMIGA_PORTS, gvp11_intr, IRQF_SHARED, "GVP11 SCSI",
                     instance);
         DMA(instance)->CNTR = GVP11_DMAC_INT_ENABLE;
         num_gvp11++;
diff --git a/drivers/scsi/hptiop.c b/drivers/scsi/hptiop.c
index f77808329e7c..ab2f8b267908 100644
--- a/drivers/scsi/hptiop.c
+++ b/drivers/scsi/hptiop.c
@@ -1304,7 +1304,7 @@ static int __devinit hptiop_probe(struct pci_dev *pcidev,
 
         pci_set_drvdata(pcidev, host);
 
-        if (request_irq(pcidev->irq, hptiop_intr, SA_SHIRQ,
+        if (request_irq(pcidev->irq, hptiop_intr, IRQF_SHARED,
                                         driver_name, hba)) {
                 printk(KERN_ERR "scsi%d: request irq %d failed\n",
                                         hba->host->host_no, pcidev->irq);
diff --git a/drivers/scsi/ibmmca.c b/drivers/scsi/ibmmca.c
index 1cbc94842cc6..2be1dc5d852a 100644
--- a/drivers/scsi/ibmmca.c
+++ b/drivers/scsi/ibmmca.c
@@ -1510,7 +1510,7 @@ int ibmmca_detect(struct scsi_host_template * scsi_template)
 #endif
 
         /* get interrupt request level */
-        if (request_irq(IM_IRQ, interrupt_handler, SA_SHIRQ, "ibmmcascsi", hosts)) {
+        if (request_irq(IM_IRQ, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts)) {
                 printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ);
                 return 0;
         } else
@@ -1635,7 +1635,7 @@ int ibmmca_detect(struct scsi_host_template * scsi_template)
                                 /* IRQ11 is used by SCSI-2 F/W Adapter/A */
                                 printk(KERN_DEBUG "IBM MCA SCSI: SCSI-2 F/W adapter needs IRQ 11.\n");
                                 /* get interrupt request level */
-                                if (request_irq(IM_IRQ_FW, interrupt_handler, SA_SHIRQ, "ibmmcascsi", hosts)) {
+                                if (request_irq(IM_IRQ_FW, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts)) {
                                         printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ_FW);
                                 } else
                                         IRQ11_registered++;
@@ -1696,7 +1696,7 @@ int ibmmca_detect(struct scsi_host_template * scsi_template)
                                 /* IRQ11 is used by SCSI-2 F/W Adapter/A */
                                 printk(KERN_DEBUG  "IBM MCA SCSI: SCSI-2 F/W adapter needs IRQ 11.\n");
                                 /* get interrupt request level */
-                                if (request_irq(IM_IRQ_FW, interrupt_handler, SA_SHIRQ, "ibmmcascsi", hosts))
+                                if (request_irq(IM_IRQ_FW, interrupt_handler, IRQF_SHARED, "ibmmcascsi", hosts))
                                         printk(KERN_ERR "IBM MCA SCSI: Unable to get shared IRQ %d.\n", IM_IRQ_FW);
                                 else
                                         IRQ11_registered++;
diff --git a/drivers/scsi/in2000.c b/drivers/scsi/in2000.c
index 883bc92b4d9a..59a4097f1254 100644
--- a/drivers/scsi/in2000.c
+++ b/drivers/scsi/in2000.c
@@ -2015,7 +2015,7 @@ static int __init in2000_detect(struct scsi_host_template * tpnt)
                 write1_io(0, IO_FIFO_READ);     /* start fifo out in read mode */
                 write1_io(0, IO_INTR_MASK);     /* allow all ints */
                 x = int_tab[(switches & (SW_INT0 | SW_INT1)) >> SW_INT_SHIFT];
-                if (request_irq(x, in2000_intr, SA_INTERRUPT, "in2000", instance)) {
+                if (request_irq(x, in2000_intr, IRQF_DISABLED, "in2000", instance)) {
                         printk("in2000_detect: Unable to allocate IRQ.\n");
                         detect_count--;
                         continue;
diff --git a/drivers/scsi/initio.c b/drivers/scsi/initio.c
index 43acb1fe90b4..9e10dac61cfd 100644
--- a/drivers/scsi/initio.c
+++ b/drivers/scsi/initio.c
@@ -2867,7 +2867,7 @@ static int i91u_detect(struct scsi_host_template * tpnt)
                 hreg->sg_tablesize = TOTAL_SG_ENTRY;    /* Maximun support is 32 */
 
                 /* Initial tulip chip           */
-                ok = request_irq(pHCB->HCS_Intr, i91u_intr, SA_INTERRUPT | SA_SHIRQ, "i91u", hreg);
+                ok = request_irq(pHCB->HCS_Intr, i91u_intr, IRQF_DISABLED | IRQF_SHARED, "i91u", hreg);
                 if (ok < 0) {
                         printk(KERN_WARNING "i91u: unable to request IRQ %d\n\n", pHCB->HCS_Intr);
                         return 0;
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index e19bf690cdf1..01080b3acf5e 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6428,7 +6428,7 @@ static int __devinit ipr_probe_ioa(struct pci_dev *pdev,
                 ioa_cfg->needs_hard_reset = 1;
 
         ipr_mask_and_clear_interrupts(ioa_cfg, ~IPR_PCII_IOA_TRANS_TO_OPER);
-        rc = request_irq(pdev->irq, ipr_isr, SA_SHIRQ, IPR_NAME, ioa_cfg);
+        rc = request_irq(pdev->irq, ipr_isr, IRQF_SHARED, IPR_NAME, ioa_cfg);
 
         if (rc) {
                 dev_err(&pdev->dev, "Couldn't register IRQ %d! rc=%d\n",
diff --git a/drivers/scsi/ips.c b/drivers/scsi/ips.c
index 7436793c3ad3..3c639286ec1e 100644
--- a/drivers/scsi/ips.c
+++ b/drivers/scsi/ips.c
@@ -7007,7 +7007,7 @@ ips_register_scsi(int index)
         memcpy(ha, oldha, sizeof (ips_ha_t));
         free_irq(oldha->irq, oldha);
         /* Install the interrupt handler with the new ha */
-        if (request_irq(ha->irq, do_ipsintr, SA_SHIRQ, ips_name, ha)) {
+        if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
                            "Unable to install interrupt handler\n");
                 scsi_host_put(sh);
@@ -7419,7 +7419,7 @@ ips_init_phase2(int index)
         }
 
         /* Install the interrupt handler */
-        if (request_irq(ha->irq, do_ipsintr, SA_SHIRQ, ips_name, ha)) {
+        if (request_irq(ha->irq, do_ipsintr, IRQF_SHARED, ips_name, ha)) {
                 IPS_PRINTK(KERN_WARNING, ha->pcidev,
                            "Unable to install interrupt handler\n");
                 return ips_abort_init(ha, index);
diff --git a/drivers/scsi/jazz_esp.c b/drivers/scsi/jazz_esp.c
index fc031c76dade..3fd8a96f2af3 100644
--- a/drivers/scsi/jazz_esp.c
+++ b/drivers/scsi/jazz_esp.c
@@ -131,7 +131,7 @@ static int jazz_esp_detect(struct scsi_host_template *tpnt)
         esp->esp_command_dvma = vdma_alloc(CPHYSADDR(cmd_buffer), sizeof (cmd_buffer));
         
         esp->irq = JAZZ_SCSI_IRQ;
-        request_irq(JAZZ_SCSI_IRQ, esp_intr, SA_INTERRUPT, "JAZZ SCSI",
+        request_irq(JAZZ_SCSI_IRQ, esp_intr, IRQF_DISABLED, "JAZZ SCSI",
                     esp->ehost);
 
         /*
diff --git a/drivers/scsi/lasi700.c b/drivers/scsi/lasi700.c
index eb7bd310cc82..f0871c3ac3d9 100644
--- a/drivers/scsi/lasi700.c
+++ b/drivers/scsi/lasi700.c
@@ -131,7 +131,7 @@ lasi700_probe(struct parisc_device *dev)
         host->this_id = 7;
         host->base = base;
         host->irq = dev->irq;
-        if(request_irq(dev->irq, NCR_700_intr, SA_SHIRQ, "lasi700", host)) {
+        if(request_irq(dev->irq, NCR_700_intr, IRQF_SHARED, "lasi700", host)) {
                 printk(KERN_ERR "lasi700: request_irq failed!\n");
                 goto out_put_host;
         }
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c
index 38bfebf4fe8f..9ce221f25954 100644
--- a/drivers/scsi/libata-bmdma.c
+++ b/drivers/scsi/libata-bmdma.c
@@ -853,7 +853,7 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int
                 return NULL;
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->private_data = port[0]->private_data;
 
         if (ports & ATA_PORT_PRIMARY) {
diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 908d0f27706f..5a28d9bf8e4d 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -1620,7 +1620,7 @@ lpfc_pci_probe_one(struct pci_dev *pdev, const struct pci_device_id *pid)
         if (error)
                 goto out_remove_host;
 
-        error = request_irq(phba->pcidev->irq, lpfc_intr_handler, SA_SHIRQ,
+        error = request_irq(phba->pcidev->irq, lpfc_intr_handler, IRQF_SHARED,
                                                         LPFC_DRIVER_NAME, phba);
         if (error) {
                 lpfc_printf_log(phba, KERN_ERR, LOG_INIT,
diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 5d2cefb5e52d..76edbb639d37 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -4714,7 +4714,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
 
         if (request_irq(irq, (adapter->flag & BOARD_MEMMAP) ?
                                 megaraid_isr_memmapped : megaraid_isr_iomapped,
-                                        SA_SHIRQ, "megaraid", adapter)) {
+                                        IRQF_SHARED, "megaraid", adapter)) {
                 printk(KERN_WARNING
                         "megaraid: Couldn't register IRQ %d!\n", irq);
                 goto out_free_scb_list;
diff --git a/drivers/scsi/megaraid/megaraid_mbox.c b/drivers/scsi/megaraid/megaraid_mbox.c
index b7caf60638e8..92715130ac09 100644
--- a/drivers/scsi/megaraid/megaraid_mbox.c
+++ b/drivers/scsi/megaraid/megaraid_mbox.c
@@ -767,7 +767,7 @@ megaraid_init_mbox(adapter_t *adapter)
         //
 
         // request IRQ and register the interrupt service routine
-        if (request_irq(adapter->irq, megaraid_isr, SA_SHIRQ, "megaraid",
+        if (request_irq(adapter->irq, megaraid_isr, IRQF_SHARED, "megaraid",
                 adapter)) {
 
                 con_log(CL_ANN, (KERN_WARNING
diff --git a/drivers/scsi/megaraid/megaraid_sas.c b/drivers/scsi/megaraid/megaraid_sas.c
index 0c9516ff636f..e5c017ccda59 100644
--- a/drivers/scsi/megaraid/megaraid_sas.c
+++ b/drivers/scsi/megaraid/megaraid_sas.c
@@ -2191,7 +2191,7 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         /*
          * Register IRQ
          */
-        if (request_irq(pdev->irq, megasas_isr, SA_SHIRQ, "megasas", instance)) {
+        if (request_irq(pdev->irq, megasas_isr, IRQF_SHARED, "megasas", instance)) {
                 printk(KERN_DEBUG "megasas: Failed to register IRQ\n");
                 goto fail_irq;
         }
diff --git a/drivers/scsi/nsp32.c b/drivers/scsi/nsp32.c
index 5c55e152e718..bd337a914298 100644
--- a/drivers/scsi/nsp32.c
+++ b/drivers/scsi/nsp32.c
@@ -2867,7 +2867,7 @@ static int nsp32_detect(struct scsi_host_template *sht)
         nsp32_do_bus_reset(data);
 
         ret = request_irq(host->irq, do_nsp32_isr,
-                          SA_SHIRQ | SA_SAMPLE_RANDOM, "nsp32", data);
+                          IRQF_SHARED | IRQF_SAMPLE_RANDOM, "nsp32", data);
         if (ret < 0) {
                 nsp32_msg(KERN_ERR, "Unable to allocate IRQ for NinjaSCSI32 "
                           "SCSI PCI controller. Interrupt: %d", host->irq);
diff --git a/drivers/scsi/oktagon_esp.c b/drivers/scsi/oktagon_esp.c
index d7a0bcc6c670..dd67a68c5c23 100644
--- a/drivers/scsi/oktagon_esp.c
+++ b/drivers/scsi/oktagon_esp.c
@@ -197,7 +197,7 @@ int oktagon_esp_detect(struct scsi_host_template *tpnt)
                 esp->esp_command_dvma = (__u32) cmd_buffer;
 
                 esp->irq = IRQ_AMIGA_PORTS;
-                request_irq(IRQ_AMIGA_PORTS, esp_intr, SA_SHIRQ,
+                request_irq(IRQ_AMIGA_PORTS, esp_intr, IRQF_SHARED,
                             "BSC Oktagon SCSI", esp->ehost);
 
                 /* Figure out our scsi ID on the bus */
diff --git a/drivers/scsi/pas16.c b/drivers/scsi/pas16.c
index 1bf96ed8f935..1434209a8ac5 100644
--- a/drivers/scsi/pas16.c
+++ b/drivers/scsi/pas16.c
@@ -454,7 +454,7 @@ int __init pas16_detect(struct scsi_host_template * tpnt)
             instance->irq = NCR5380_probe_irq(instance, PAS16_IRQS);
 
         if (instance->irq != SCSI_IRQ_NONE) 
-            if (request_irq(instance->irq, pas16_intr, SA_INTERRUPT, "pas16", instance)) {
+            if (request_irq(instance->irq, pas16_intr, IRQF_DISABLED, "pas16", instance)) {
                 printk("scsi%d : IRQ%d not free, interrupts disabled\n", 
                     instance->host_no, instance->irq);
                 instance->irq = SCSI_IRQ_NONE;
diff --git a/drivers/scsi/pcmcia/nsp_cs.c b/drivers/scsi/pcmcia/nsp_cs.c
index 231f9c311c69..7ff5851c040b 100644
--- a/drivers/scsi/pcmcia/nsp_cs.c
+++ b/drivers/scsi/pcmcia/nsp_cs.c
@@ -1623,7 +1623,7 @@ static int nsp_cs_probe(struct pcmcia_device *link)
         /* Interrupt handler */
         link->irq.Handler        = &nspintr;
         link->irq.Instance       = info;
-        link->irq.Attributes     |= (SA_SHIRQ | SA_SAMPLE_RANDOM);
+        link->irq.Attributes     |= (IRQF_SHARED | IRQF_SAMPLE_RANDOM);
 
         /* General socket configuration */
         link->conf.Attributes    = CONF_ENABLE_IRQ;
diff --git a/drivers/scsi/pcmcia/sym53c500_cs.c b/drivers/scsi/pcmcia/sym53c500_cs.c
index 9f59827707f0..0b65099acb1a 100644
--- a/drivers/scsi/pcmcia/sym53c500_cs.c
+++ b/drivers/scsi/pcmcia/sym53c500_cs.c
@@ -799,7 +799,7 @@ next_entry:
         data = (struct sym53c500_data *)host->hostdata;
 
         if (irq_level > 0) {
-                if (request_irq(irq_level, SYM53C500_intr, SA_SHIRQ, "SYM53C500", host)) {
+                if (request_irq(irq_level, SYM53C500_intr, IRQF_SHARED, "SYM53C500", host)) {
                         printk("SYM53C500: unable to allocate IRQ %d\n", irq_level);
                         goto err_free_scsi;
                 }
diff --git a/drivers/scsi/pdc_adma.c b/drivers/scsi/pdc_adma.c
index 7ebe8e03aa96..d1f38c32aa15 100644
--- a/drivers/scsi/pdc_adma.c
+++ b/drivers/scsi/pdc_adma.c
@@ -690,7 +690,7 @@ static int adma_ata_init_one(struct pci_dev *pdev,
         probe_ent->port_ops     = adma_port_info[board_idx].port_ops;
 
         probe_ent->irq          = pdev->irq;
-        probe_ent->irq_flags    = SA_SHIRQ;
+        probe_ent->irq_flags    = IRQF_SHARED;
         probe_ent->mmio_base    = mmio_base;
         probe_ent->n_ports      = ADMA_PORTS;
 
diff --git a/drivers/scsi/qla1280.c b/drivers/scsi/qla1280.c
index a7e4183462b8..b818b9bfe678 100644
--- a/drivers/scsi/qla1280.c
+++ b/drivers/scsi/qla1280.c
@@ -192,7 +192,7 @@
         - Don't walk the entire list in qla1280_putq_t() just to directly
           grab the pointer to the last element afterwards
     Rev  3.23.5 Beta August 9, 2001, Jes Sorensen
-        - Don't use SA_INTERRUPT, it's use is deprecated for this kinda driver
+        - Don't use IRQF_DISABLED, it's use is deprecated for this kinda driver
     Rev  3.23.4 Beta August 8, 2001, Jes Sorensen
         - Set dev->max_sectors to 1024
     Rev  3.23.3 Beta August 6, 2001, Jes Sorensen
@@ -4369,7 +4369,7 @@ qla1280_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         /* Disable ISP interrupts. */
         qla1280_disable_intrs(ha);
 
-        if (request_irq(pdev->irq, qla1280_intr_handler, SA_SHIRQ,
+        if (request_irq(pdev->irq, qla1280_intr_handler, IRQF_SHARED,
                                 "qla1280", ha)) {
                 printk("qla1280 : Failed to reserve interrupt %d already "
                        "in use\n", pdev->irq);
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index ccaad0b08d35..93062593ebe7 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -1541,7 +1541,7 @@ static int qla2x00_probe_one(struct pci_dev *pdev)
         host->transportt = qla2xxx_transport_template;
 
         ret = request_irq(pdev->irq, ha->isp_ops.intr_handler,
-            SA_INTERRUPT|SA_SHIRQ, QLA2XXX_DRIVER_NAME, ha);
+            IRQF_DISABLED|IRQF_SHARED, QLA2XXX_DRIVER_NAME, ha);
         if (ret) {
                 qla_printk(KERN_WARNING, ha,
                     "Failed to reserve interrupt %d already in use.\n",
diff --git a/drivers/scsi/qlogicpti.c b/drivers/scsi/qlogicpti.c
index 329ead263714..69e0551a81d2 100644
--- a/drivers/scsi/qlogicpti.c
+++ b/drivers/scsi/qlogicpti.c
@@ -718,7 +718,7 @@ static int __init qpti_register_irq(struct qlogicpti *qpti)
          * sanely maintain.
          */
         if (request_irq(qpti->irq, qpti_intr,
-                        SA_SHIRQ, "Qlogic/PTI", qpti))
+                        IRQF_SHARED, "Qlogic/PTI", qpti))
                 goto fail;
 
         printk("qpti%d: IRQ %d ", qpti->qpti_id, qpti->irq);
diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 4a71578df3c1..1053c7c76b7d 100644
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -2395,7 +2395,7 @@ static int mv_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         probe_ent->port_ops = mv_port_info[board_idx].port_ops;
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
         probe_ent->private_data = hpriv;
 
diff --git a/drivers/scsi/sata_promise.c b/drivers/scsi/sata_promise.c
index b2b6ed5216e0..64631bd38952 100644
--- a/drivers/scsi/sata_promise.c
+++ b/drivers/scsi/sata_promise.c
@@ -743,7 +743,7 @@ static int pdc_ata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         probe_ent->port_ops     = pdc_port_info[board_idx].port_ops;
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
 
         pdc_ata_setup_port(&probe_ent->port[0], base + 0x200);
diff --git a/drivers/scsi/sata_qstor.c b/drivers/scsi/sata_qstor.c
index 98ddc25655f0..d374c1db0cf3 100644
--- a/drivers/scsi/sata_qstor.c
+++ b/drivers/scsi/sata_qstor.c
@@ -680,7 +680,7 @@ static int qs_ata_init_one(struct pci_dev *pdev,
         probe_ent->port_ops     = qs_port_info[board_idx].port_ops;
 
         probe_ent->irq          = pdev->irq;
-        probe_ent->irq_flags    = SA_SHIRQ;
+        probe_ent->irq_flags    = IRQF_SHARED;
         probe_ent->mmio_base    = mmio_base;
         probe_ent->n_ports      = QS_PORTS;
 
diff --git a/drivers/scsi/sata_sil.c b/drivers/scsi/sata_sil.c
index 51d86d750e84..7aabb45c35e5 100644
--- a/drivers/scsi/sata_sil.c
+++ b/drivers/scsi/sata_sil.c
@@ -608,7 +608,7 @@ static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
         probe_ent->mwdma_mask = sil_port_info[ent->driver_data].mwdma_mask;
         probe_ent->udma_mask = sil_port_info[ent->driver_data].udma_mask;
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->host_flags = sil_port_info[ent->driver_data].host_flags;
 
         mmio_base = pci_iomap(pdev, 5, 0);
diff --git a/drivers/scsi/sata_sil24.c b/drivers/scsi/sata_sil24.c
index b5f8fa955679..07a1c6a8a414 100644
--- a/drivers/scsi/sata_sil24.c
+++ b/drivers/scsi/sata_sil24.c
@@ -1041,7 +1041,7 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         probe_ent->n_ports      = SIL24_FLAG2NPORTS(pinfo->host_flags);
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = port_base;
         probe_ent->private_data = hpriv;
 
diff --git a/drivers/scsi/sata_svw.c b/drivers/scsi/sata_svw.c
index a958b45e597c..7d0858095e1f 100644
--- a/drivers/scsi/sata_svw.c
+++ b/drivers/scsi/sata_svw.c
@@ -428,7 +428,7 @@ static int k2_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *e
         probe_ent->port_ops = &k2_sata_ops;
         probe_ent->n_ports = 4;
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
 
         /* We don't care much about the PIO/UDMA masks, but the core won't like us
diff --git a/drivers/scsi/sata_sx4.c b/drivers/scsi/sata_sx4.c
index 7f864410f7c2..ccc8cad24f7d 100644
--- a/drivers/scsi/sata_sx4.c
+++ b/drivers/scsi/sata_sx4.c
@@ -1436,7 +1436,7 @@ static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *
         probe_ent->port_ops     = pdc_port_info[board_idx].port_ops;
 
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
 
         probe_ent->private_data = hpriv;
diff --git a/drivers/scsi/sata_via.c b/drivers/scsi/sata_via.c
index 501ce1791782..03baec2191bf 100644
--- a/drivers/scsi/sata_via.c
+++ b/drivers/scsi/sata_via.c
@@ -242,7 +242,7 @@ static struct ata_probe_ent *vt6421_init_probe_ent(struct pci_dev *pdev)
         probe_ent->port_ops     = &svia_sata_ops;
         probe_ent->n_ports      = N_PORTS;
         probe_ent->irq          = pdev->irq;
-        probe_ent->irq_flags    = SA_SHIRQ;
+        probe_ent->irq_flags    = IRQF_SHARED;
         probe_ent->pio_mask     = 0x1f;
         probe_ent->mwdma_mask   = 0x07;
         probe_ent->udma_mask    = 0x7f;
diff --git a/drivers/scsi/sata_vsc.c b/drivers/scsi/sata_vsc.c
index 616fd9634b4b..916fe6fba756 100644
--- a/drivers/scsi/sata_vsc.c
+++ b/drivers/scsi/sata_vsc.c
@@ -400,7 +400,7 @@ static int __devinit vsc_sata_init_one (struct pci_dev *pdev, const struct pci_d
         probe_ent->port_ops = &vsc_sata_ops;
         probe_ent->n_ports = 4;
         probe_ent->irq = pdev->irq;
-        probe_ent->irq_flags = SA_SHIRQ;
+        probe_ent->irq_flags = IRQF_SHARED;
         probe_ent->mmio_base = mmio_base;
 
         /* We don't care much about the PIO/UDMA masks, but the core won't like us
diff --git a/drivers/scsi/seagate.c b/drivers/scsi/seagate.c
index 7fa4da4ea64f..3f312a84c6a7 100644
--- a/drivers/scsi/seagate.c
+++ b/drivers/scsi/seagate.c
@@ -497,7 +497,7 @@ int __init seagate_st0x_detect (struct scsi_host_template * tpnt)
                 return 0;
 
         hostno = instance->host_no;
-        if (request_irq (irq, do_seagate_reconnect_intr, SA_INTERRUPT, (controller_type == SEAGATE) ? "seagate" : "tmc-8xx", instance)) {
+        if (request_irq (irq, do_seagate_reconnect_intr, IRQF_DISABLED, (controller_type == SEAGATE) ? "seagate" : "tmc-8xx", instance)) {
                 printk(KERN_ERR "scsi%d : unable to allocate IRQ%d\n", hostno, irq);
                 return 0;
         }
diff --git a/drivers/scsi/sim710.c b/drivers/scsi/sim710.c
index 2b2789345c13..b27e85428daa 100644
--- a/drivers/scsi/sim710.c
+++ b/drivers/scsi/sim710.c
@@ -133,7 +133,7 @@ sim710_probe_common(struct device *dev, unsigned long base_addr,
         host->this_id = scsi_id;
         host->base = base_addr;
         host->irq = irq;
-        if (request_irq(irq, NCR_700_intr, SA_SHIRQ, "sim710", host)) {
+        if (request_irq(irq, NCR_700_intr, IRQF_SHARED, "sim710", host)) {
                 printk(KERN_ERR "sim710: request_irq failed\n");
                 goto out_put_host;
         }
diff --git a/drivers/scsi/sun3x_esp.c b/drivers/scsi/sun3x_esp.c
index 2e2c1eb15636..1f328cae5c05 100644
--- a/drivers/scsi/sun3x_esp.c
+++ b/drivers/scsi/sun3x_esp.c
@@ -97,7 +97,7 @@ int sun3x_esp_detect(struct scsi_host_template *tpnt)
         esp->esp_command_dvma = dvma_vtob((unsigned long)esp->esp_command);
 
         esp->irq = 2;
-        if (request_irq(esp->irq, esp_intr, SA_INTERRUPT, 
+        if (request_irq(esp->irq, esp_intr, IRQF_DISABLED,
                         "SUN3X SCSI", esp->ehost)) {
                 esp_deallocate(esp);
                 return 0;
diff --git a/drivers/scsi/sym53c8xx_2/sym_glue.c b/drivers/scsi/sym53c8xx_2/sym_glue.c
index ea82d3df63af..8c505076c0eb 100644
--- a/drivers/scsi/sym53c8xx_2/sym_glue.c
+++ b/drivers/scsi/sym53c8xx_2/sym_glue.c
@@ -1547,7 +1547,7 @@ static struct Scsi_Host * __devinit sym_attach(struct scsi_host_template *tpnt,
          *  If we synchonize the C code with SCRIPTS on interrupt, 
          *  we do not want to share the INTR line at all.
          */
-        if (request_irq(pdev->irq, sym53c8xx_intr, SA_SHIRQ, NAME53C8XX, np)) {
+        if (request_irq(pdev->irq, sym53c8xx_intr, IRQF_SHARED, NAME53C8XX, np)) {
                 printf_err("%s: request irq %d failure\n",
                         sym_name(np), pdev->irq);
                 goto attach_failed;
diff --git a/drivers/scsi/t128.c b/drivers/scsi/t128.c
index a24f661b0270..2df6747cb76f 100644
--- a/drivers/scsi/t128.c
+++ b/drivers/scsi/t128.c
@@ -260,7 +260,7 @@ found:
             instance->irq = NCR5380_probe_irq(instance, T128_IRQS);
 
         if (instance->irq != SCSI_IRQ_NONE) 
-            if (request_irq(instance->irq, t128_intr, SA_INTERRUPT, "t128", instance)) {
+            if (request_irq(instance->irq, t128_intr, IRQF_DISABLED, "t128", instance)) {
                 printk("scsi%d : IRQ%d not free, interrupts disabled\n", 
                     instance->host_no, instance->irq);
                 instance->irq = SCSI_IRQ_NONE;
diff --git a/drivers/scsi/tmscsim.c b/drivers/scsi/tmscsim.c
index 7540f6a7529f..9404ff3d4c79 100644
--- a/drivers/scsi/tmscsim.c
+++ b/drivers/scsi/tmscsim.c
@@ -2584,7 +2584,7 @@ static int __devinit dc390_probe_one(struct pci_dev *pdev,
         /* Reset Pending INT */
         DC390_read8_(INT_Status, io_port);
 
-        if (request_irq(pdev->irq, do_DC390_Interrupt, SA_SHIRQ,
+        if (request_irq(pdev->irq, do_DC390_Interrupt, IRQF_SHARED,
                                 "tmscsim", pACB)) {
                 printk(KERN_ERR "DC390: register IRQ error!\n");
                 goto out_release_region;
diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c
index 35c043e38ed4..57449611e714 100644
--- a/drivers/scsi/u14-34f.c
+++ b/drivers/scsi/u14-34f.c
@@ -872,7 +872,7 @@ static int port_detect \
 
    /* Board detected, allocate its IRQ */
    if (request_irq(irq, do_interrupt_handler,
-             SA_INTERRUPT | ((subversion == ESA) ? SA_SHIRQ : 0),
+             IRQF_DISABLED | ((subversion == ESA) ? IRQF_SHARED : 0),
              driver_name, (void *) &sha[j])) {
       printk("%s: unable to allocate IRQ %u, detaching.\n", name, irq);
       goto freelock;
diff --git a/drivers/scsi/wd7000.c b/drivers/scsi/wd7000.c
index 574955b78a24..a0b61af48f1c 100644
--- a/drivers/scsi/wd7000.c
+++ b/drivers/scsi/wd7000.c
@@ -1250,7 +1250,7 @@ static int wd7000_init(Adapter * host)
                 return 0;
 
 
-        if (request_irq(host->irq, wd7000_intr, SA_INTERRUPT, "wd7000", host)) {
+        if (request_irq(host->irq, wd7000_intr, IRQF_DISABLED, "wd7000", host)) {
                 printk("wd7000_init: can't get IRQ %d.\n", host->irq);
                 return (0);
         }
diff --git a/drivers/scsi/zalon.c b/drivers/scsi/zalon.c
index a6cfbb3b361c..4b5f908d35c3 100644
--- a/drivers/scsi/zalon.c
+++ b/drivers/scsi/zalon.c
@@ -136,7 +136,7 @@ zalon_probe(struct parisc_device *dev)
         if (!host)
                 goto fail;
 
-        if (request_irq(dev->irq, ncr53c8xx_intr, SA_SHIRQ, "zalon", host)) {
+        if (request_irq(dev->irq, ncr53c8xx_intr, IRQF_SHARED, "zalon", host)) {
                 printk(KERN_ERR "%s: irq problem with %d, detaching\n ",
                         dev->dev.bus_id, dev->irq);
                 goto fail;
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 9c5d36f50140..0995430e4cf1 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -48,7 +48,7 @@
 
 /*
  * Configuration:
- *   share_irqs - whether we pass SA_SHIRQ to request_irq().  This option
+ *   share_irqs - whether we pass IRQF_SHARED to request_irq().  This option
  *                is unsafe when used on edge-triggered interrupts.
  */
 static unsigned int share_irqs = SERIAL8250_SHARE_IRQS;
@@ -1400,7 +1400,7 @@ static void serial_do_unlink(struct irq_info *i, struct uart_8250_port *up)
 static int serial_link_irq_chain(struct uart_8250_port *up)
 {
         struct irq_info *i = irq_lists + up->port.irq;
-        int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? SA_SHIRQ : 0;
+        int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
 
         spin_lock_irq(&i->lock);
 
diff --git a/drivers/serial/at91_serial.c b/drivers/serial/at91_serial.c
index 7b3b3f3d5101..a7d664383dae 100644
--- a/drivers/serial/at91_serial.c
+++ b/drivers/serial/at91_serial.c
@@ -387,7 +387,7 @@ static int at91_startup(struct uart_port *port)
         /*
          * Allocate the IRQ
          */
-        retval = request_irq(port->irq, at91_interrupt, SA_SHIRQ, "at91_serial", port);
+        retval = request_irq(port->irq, at91_interrupt, IRQF_SHARED, "at91_serial", port);
         if (retval) {
                 printk("at91_serial: at91_startup - Can't get irq\n");
                 return retval;
diff --git a/drivers/serial/crisv10.c b/drivers/serial/crisv10.c
index 901be3483455..cabd048c8636 100644
--- a/drivers/serial/crisv10.c
+++ b/drivers/serial/crisv10.c
@@ -415,7 +415,7 @@
  * Fixed DEF_TX value that caused the serial transmitter pin (txd) to go to 0 when
  * closing the last filehandle, NASTY!.
  * Added break generation, not tested though!
- * Use SA_SHIRQ when request_irq() for ser2 and ser3 (shared with) par0 and par1.
+ * Use IRQF_SHARED when request_irq() for ser2 and ser3 (shared with) par0 and par1.
  * You can't use them at the same time (yet..), but you can hopefully switch
  * between ser2/par0, ser3/par1 with the same kernel config.
  * Replaced some magic constants with defines
@@ -4942,55 +4942,55 @@ rs_init(void)
         /* Not needed in simulator.  May only complicate stuff. */
         /* hook the irq's for DMA channel 6 and 7, serial output and input, and some more... */
 
-        if (request_irq(SERIAL_IRQ_NBR, ser_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial ", NULL))
+        if (request_irq(SERIAL_IRQ_NBR, ser_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial ", NULL))
                 panic("irq8");
 
 #ifdef CONFIG_ETRAX_SERIAL_PORT0
 #ifdef CONFIG_ETRAX_SERIAL_PORT0_DMA6_OUT
-        if (request_irq(SER0_DMA_TX_IRQ_NBR, tr_interrupt, SA_INTERRUPT, "serial 0 dma tr", NULL))
+        if (request_irq(SER0_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_DISABLED, "serial 0 dma tr", NULL))
                 panic("irq22");
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT0_DMA7_IN
-        if (request_irq(SER0_DMA_RX_IRQ_NBR, rec_interrupt, SA_INTERRUPT, "serial 0 dma rec", NULL))
+        if (request_irq(SER0_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_DISABLED, "serial 0 dma rec", NULL))
                 panic("irq23");
 #endif
 #endif
 
 #ifdef CONFIG_ETRAX_SERIAL_PORT1
 #ifdef CONFIG_ETRAX_SERIAL_PORT1_DMA8_OUT
-        if (request_irq(SER1_DMA_TX_IRQ_NBR, tr_interrupt, SA_INTERRUPT, "serial 1 dma tr", NULL))
+        if (request_irq(SER1_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_DISABLED, "serial 1 dma tr", NULL))
                 panic("irq24");
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT1_DMA9_IN
-        if (request_irq(SER1_DMA_RX_IRQ_NBR, rec_interrupt, SA_INTERRUPT, "serial 1 dma rec", NULL))
+        if (request_irq(SER1_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_DISABLED, "serial 1 dma rec", NULL))
                 panic("irq25");
 #endif
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT2
         /* DMA Shared with par0 (and SCSI0 and ATA) */
 #ifdef CONFIG_ETRAX_SERIAL_PORT2_DMA2_OUT
-        if (request_irq(SER2_DMA_TX_IRQ_NBR, tr_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 2 dma tr", NULL))
+        if (request_irq(SER2_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 2 dma tr", NULL))
                 panic("irq18");
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT2_DMA3_IN
-        if (request_irq(SER2_DMA_RX_IRQ_NBR, rec_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 2 dma rec", NULL))
+        if (request_irq(SER2_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 2 dma rec", NULL))
                 panic("irq19");
 #endif
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT3
         /* DMA Shared with par1 (and SCSI1 and Extern DMA 0) */
 #ifdef CONFIG_ETRAX_SERIAL_PORT3_DMA4_OUT
-        if (request_irq(SER3_DMA_TX_IRQ_NBR, tr_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 3 dma tr", NULL))
+        if (request_irq(SER3_DMA_TX_IRQ_NBR, tr_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 3 dma tr", NULL))
                 panic("irq20");
 #endif
 #ifdef CONFIG_ETRAX_SERIAL_PORT3_DMA5_IN
-        if (request_irq(SER3_DMA_RX_IRQ_NBR, rec_interrupt, SA_SHIRQ | SA_INTERRUPT, "serial 3 dma rec", NULL))
+        if (request_irq(SER3_DMA_RX_IRQ_NBR, rec_interrupt, IRQF_SHARED | IRQF_DISABLED, "serial 3 dma rec", NULL))
                 panic("irq21");
 #endif
 #endif
 
 #ifdef CONFIG_ETRAX_SERIAL_FLUSH_DMA_FAST
-        if (request_irq(TIMER1_IRQ_NBR, timeout_interrupt, SA_SHIRQ | SA_INTERRUPT,
+        if (request_irq(TIMER1_IRQ_NBR, timeout_interrupt, IRQF_SHARED | IRQF_DISABLED,
                        "fast serial dma timeout", NULL)) {
                 printk(KERN_CRIT "err: timer1 irq\n");
         }
diff --git a/drivers/serial/dz.c b/drivers/serial/dz.c
index ecf824bd2d4e..d119c8296a78 100644
--- a/drivers/serial/dz.c
+++ b/drivers/serial/dz.c
@@ -797,7 +797,7 @@ int __init dz_init(void)
         restore_flags(flags);
 
         if (request_irq(dz_ports[0].port.irq, dz_interrupt,
-                        SA_INTERRUPT, "DZ", &dz_ports[0]))
+                        IRQF_DISABLED, "DZ", &dz_ports[0]))
                 panic("Unable to register DZ interrupt");
 
         ret = uart_register_driver(&dz_reg);
diff --git a/drivers/serial/icom.c b/drivers/serial/icom.c
index ad1e753cbc53..a3c00a252149 100644
--- a/drivers/serial/icom.c
+++ b/drivers/serial/icom.c
@@ -1563,7 +1563,7 @@ static int __devinit icom_probe(struct pci_dev *dev,
 
          /* save off irq and request irq line */
          if ( (retval = request_irq(dev->irq, icom_interrupt,
-                                   SA_INTERRUPT | SA_SHIRQ, ICOM_DRIVER_NAME,
+                                   IRQF_DISABLED | IRQF_SHARED, ICOM_DRIVER_NAME,
                                    (void *) icom_adapter))) {
                   goto probe_exit2;
          }
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 0b5f39d038b9..4a142d6b8f38 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -404,7 +404,7 @@ static int imx_startup(struct uart_port *port)
         if (retval) goto error_out2;
 
         retval = request_irq(sport->rtsirq, imx_rtsint,
-                             SA_TRIGGER_FALLING | SA_TRIGGER_RISING,
+                             IRQF_TRIGGER_FALLING | IRQF_TRIGGER_RISING,
                              DRIVER_NAME, sport);
         if (retval) goto error_out3;
 
diff --git a/drivers/serial/ioc4_serial.c b/drivers/serial/ioc4_serial.c
index 717e47bbd784..576ca1eaa2b6 100644
--- a/drivers/serial/ioc4_serial.c
+++ b/drivers/serial/ioc4_serial.c
@@ -2855,7 +2855,7 @@ ioc4_serial_attach_one(struct ioc4_driver_data *idd)
         control->ic_soft = soft;
 
         /* Hook up interrupt handler */
-        if (!request_irq(idd->idd_pdev->irq, ioc4_intr, SA_SHIRQ,
+        if (!request_irq(idd->idd_pdev->irq, ioc4_intr, IRQF_SHARED,
                                 "sgi-ioc4serial", soft)) {
                 control->ic_irq = idd->idd_pdev->irq;
         } else {
diff --git a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
index b3e1f71be4da..244f63be3a03 100644
--- a/drivers/serial/jsm/jsm_driver.c
+++ b/drivers/serial/jsm/jsm_driver.c
@@ -121,7 +121,7 @@ static int jsm_probe_one(struct pci_dev *pdev, const struct pci_device_id *ent)
         }
 
         rc = request_irq(brd->irq, brd->bd_ops->intr,
-                        SA_INTERRUPT|SA_SHIRQ, "JSM", brd);
+                        IRQF_DISABLED|IRQF_SHARED, "JSM", brd);
         if (rc) {
                 printk(KERN_WARNING "Failed to hook IRQ %d\n",brd->irq);
                 goto out_iounmap;
diff --git a/drivers/serial/m32r_sio.c b/drivers/serial/m32r_sio.c
index fbaae96f4c93..e7fe4bb46eca 100644
--- a/drivers/serial/m32r_sio.c
+++ b/drivers/serial/m32r_sio.c
@@ -542,7 +542,7 @@ static void serial_do_unlink(struct irq_info *i, struct uart_sio_port *up)
 static int serial_link_irq_chain(struct uart_sio_port *up)
 {
         struct irq_info *i = irq_lists + up->port.irq;
-        int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? SA_SHIRQ : 0;
+        int ret, irq_flags = up->port.flags & UPF_SHARE_IRQ ? IRQF_SHARED : 0;
 
         spin_lock_irq(&i->lock);
 
diff --git a/drivers/serial/mcfserial.c b/drivers/serial/mcfserial.c
index 29c0630e3e64..832abd3c4706 100644
--- a/drivers/serial/mcfserial.c
+++ b/drivers/serial/mcfserial.c
@@ -1596,7 +1596,7 @@ static void mcfrs_irqinit(struct mcf_serial *info)
         /* Clear mask, so no surprise interrupts. */
         uartp[MCFUART_UIMR] = 0;
 
-        if (request_irq(info->irq, mcfrs_interrupt, SA_INTERRUPT,
+        if (request_irq(info->irq, mcfrs_interrupt, IRQF_DISABLED,
             "ColdFire UART", NULL)) {
                 printk("MCFRS: Unable to attach ColdFire UART %d interrupt "
                         "vector=%d\n", info->line, info->irq);
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index 1b8e554f674f..48eb22d3a63e 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -190,7 +190,7 @@ mpc52xx_uart_startup(struct uart_port *port)
 
         /* Request IRQ */
         ret = request_irq(port->irq, mpc52xx_uart_int,
-                SA_INTERRUPT | SA_SAMPLE_RANDOM, "mpc52xx_psc_uart", port);
+                IRQF_DISABLED | IRQF_SAMPLE_RANDOM, "mpc52xx_psc_uart", port);
         if (ret)
                 return ret;
 
diff --git a/drivers/serial/mpsc.c b/drivers/serial/mpsc.c
index 8c498f785e21..63d2a66e563b 100644
--- a/drivers/serial/mpsc.c
+++ b/drivers/serial/mpsc.c
@@ -1412,7 +1412,7 @@ mpsc_startup(struct uart_port *port)
 
                 /* If irq's are shared, need to set flag */
                 if (mpsc_ports[0].port.irq == mpsc_ports[1].port.irq)
-                        flag = SA_SHIRQ;
+                        flag = IRQF_SHARED;
 
                 if (request_irq(pi->port.irq, mpsc_sdma_intr, flag,
                                 "mpsc-sdma", pi))
diff --git a/drivers/serial/pmac_zilog.c b/drivers/serial/pmac_zilog.c
index 4d9435451f4a..459c0231aef3 100644
--- a/drivers/serial/pmac_zilog.c
+++ b/drivers/serial/pmac_zilog.c
@@ -934,7 +934,7 @@ static int pmz_startup(struct uart_port *port)
         }       
 
         pmz_get_port_A(uap)->flags |= PMACZILOG_FLAG_IS_IRQ_ON;
-        if (request_irq(uap->port.irq, pmz_interrupt, SA_SHIRQ, "PowerMac Zilog", uap)) {
+        if (request_irq(uap->port.irq, pmz_interrupt, IRQF_SHARED, "PowerMac Zilog", uap)) {
                 dev_err(&uap->dev->ofdev.dev,
                         "Unable to register zs interrupt handler.\n");
                 pmz_set_scc_power(uap, 0);
diff --git a/drivers/serial/serial_txx9.c b/drivers/serial/serial_txx9.c
index 28c1881a6691..b361669f85a1 100644
--- a/drivers/serial/serial_txx9.c
+++ b/drivers/serial/serial_txx9.c
@@ -495,7 +495,7 @@ static int serial_txx9_startup(struct uart_port *port)
         sio_out(up, TXX9_SIDISR, 0);
 
         retval = request_irq(up->port.irq, serial_txx9_interrupt,
-                             SA_SHIRQ, "serial_txx9", up);
+                             IRQF_SHARED, "serial_txx9", up);
         if (retval)
                 return retval;
 
diff --git a/drivers/serial/sh-sci.c b/drivers/serial/sh-sci.c
index 2509c3237e87..301573373c30 100644
--- a/drivers/serial/sh-sci.c
+++ b/drivers/serial/sh-sci.c
@@ -841,7 +841,7 @@ static int sci_request_irq(struct sci_port *port)
                         printk(KERN_ERR "sci: Cannot allocate irq.(IRQ=0)\n");
                         return -ENODEV;
                 }
-                if (request_irq(port->irqs[0], sci_mpxed_interrupt, SA_INTERRUPT,
+                if (request_irq(port->irqs[0], sci_mpxed_interrupt, IRQF_DISABLED,
                                 "sci", port)) {
                         printk(KERN_ERR "sci: Cannot allocate irq.\n");
                         return -ENODEV;
@@ -850,7 +850,7 @@ static int sci_request_irq(struct sci_port *port)
                 for (i = 0; i < ARRAY_SIZE(handlers); i++) {
                         if (!port->irqs[i])
                                 continue;
-                        if (request_irq(port->irqs[i], handlers[i], SA_INTERRUPT,
+                        if (request_irq(port->irqs[i], handlers[i], IRQF_DISABLED,
                                         desc[i], port)) {
                                 printk(KERN_ERR "sci: Cannot allocate irq.\n");
                                 return -ENODEV;
diff --git a/drivers/serial/sn_console.c b/drivers/serial/sn_console.c
index 4b0afc8f12b9..2f148e5b9255 100644
--- a/drivers/serial/sn_console.c
+++ b/drivers/serial/sn_console.c
@@ -648,7 +648,7 @@ static irqreturn_t sn_sal_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static int sn_sal_connect_interrupt(struct sn_cons_port *port)
 {
         if (request_irq(SGI_UART_VECTOR, sn_sal_interrupt,
-                        SA_INTERRUPT | SA_SHIRQ,
+                        IRQF_DISABLED | IRQF_SHARED,
                         "SAL console driver", port) >= 0) {
                 return SGI_UART_VECTOR;
         }
diff --git a/drivers/serial/sunsab.c b/drivers/serial/sunsab.c
index 20a48697727c..0dbd4df44c05 100644
--- a/drivers/serial/sunsab.c
+++ b/drivers/serial/sunsab.c
@@ -1027,7 +1027,7 @@ static int __devinit sunsab_init_one(struct uart_sunsab_port *up,
                 int err;
 
                 err = request_irq(up->port.irq, sunsab_interrupt,
-                                  SA_SHIRQ, "sab", up);
+                                  IRQF_SHARED, "sab", up);
                 if (err) {
                         of_iounmap(up->port.membase,
                                    sizeof(union sab82532_async_regs));
diff --git a/drivers/serial/sunsu.c b/drivers/serial/sunsu.c
index eabf477fee95..f9013baba05b 100644
--- a/drivers/serial/sunsu.c
+++ b/drivers/serial/sunsu.c
@@ -667,10 +667,10 @@ static int sunsu_startup(struct uart_port *port)
 
         if (up->su_type != SU_PORT_PORT) {
                 retval = request_irq(up->port.irq, sunsu_kbd_ms_interrupt,
-                                     SA_SHIRQ, su_typev[up->su_type], up);
+                                     IRQF_SHARED, su_typev[up->su_type], up);
         } else {
                 retval = request_irq(up->port.irq, sunsu_serial_interrupt,
-                                     SA_SHIRQ, su_typev[up->su_type], up);
+                                     IRQF_SHARED, su_typev[up->su_type], up);
         }
         if (retval) {
                 printk("su: Cannot register IRQ %d\n", up->port.irq);
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c
index 9ee7f3af9ae2..a1456d9352cb 100644
--- a/drivers/serial/sunzilog.c
+++ b/drivers/serial/sunzilog.c
@@ -1354,7 +1354,7 @@ static int __devinit zs_probe(struct of_device *dev, const struct of_device_id *
 
         if (zilog_irq == -1) {
                 zilog_irq = op->irqs[0];
-                err = request_irq(zilog_irq, sunzilog_interrupt, SA_SHIRQ,
+                err = request_irq(zilog_irq, sunzilog_interrupt, IRQF_SHARED,
                                   "zs", sunzilog_irq_chain);
                 if (err) {
                         of_iounmap(rp, sizeof(struct zilog_layout));
diff --git a/drivers/serial/v850e_uart.c b/drivers/serial/v850e_uart.c
index a0da2aaf71c4..f802867c95c5 100644
--- a/drivers/serial/v850e_uart.c
+++ b/drivers/serial/v850e_uart.c
@@ -372,13 +372,13 @@ static int v850e_uart_startup (struct uart_port *port)
 
         /* Alloc RX irq.  */
         err = request_irq (V850E_UART_RX_IRQ (port->line), v850e_uart_rx_irq,
-                           SA_INTERRUPT, "v850e_uart", port);
+                           IRQF_DISABLED, "v850e_uart", port);
         if (err)
                 return err;
 
         /* Alloc TX irq.  */
         err = request_irq (V850E_UART_TX_IRQ (port->line), v850e_uart_tx_irq,
-                           SA_INTERRUPT, "v850e_uart", port);
+                           IRQF_DISABLED, "v850e_uart", port);
         if (err) {
                 free_irq (V850E_UART_RX_IRQ (port->line), port);
                 return err;
diff --git a/drivers/sn/ioc3.c b/drivers/sn/ioc3.c
index 0040f10c9e39..6c7e0352d561 100644
--- a/drivers/sn/ioc3.c
+++ b/drivers/sn/ioc3.c
@@ -706,7 +706,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
                 writel(~0, &idd->vma->eisr);
 
                 idd->dual_irq = 1;
-                if (!request_irq(pdev->irq, ioc3_intr_eth, SA_SHIRQ,
+                if (!request_irq(pdev->irq, ioc3_intr_eth, IRQF_SHARED,
                                  "ioc3-eth", (void *)idd)) {
                         idd->irq_eth = pdev->irq;
                 } else {
@@ -714,7 +714,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
                                "%s : request_irq fails for IRQ 0x%x\n ",
                                __FUNCTION__, pdev->irq);
                 }
-                if (!request_irq(pdev->irq+2, ioc3_intr_io, SA_SHIRQ,
+                if (!request_irq(pdev->irq+2, ioc3_intr_io, IRQF_SHARED,
                                  "ioc3-io", (void *)idd)) {
                         idd->irq_io = pdev->irq+2;
                 } else {
@@ -723,7 +723,7 @@ static int ioc3_probe(struct pci_dev *pdev, const struct pci_device_id *pci_id)
                                __FUNCTION__, pdev->irq+2);
                 }
         } else {
-                if (!request_irq(pdev->irq, ioc3_intr_io, SA_SHIRQ,
+                if (!request_irq(pdev->irq, ioc3_intr_io, IRQF_SHARED,
                                  "ioc3", (void *)idd)) {
                         idd->irq_io = pdev->irq;
                 } else {
diff --git a/drivers/tc/zs.c b/drivers/tc/zs.c
index 93bc90b8ff92..5e8a27620f6f 100644
--- a/drivers/tc/zs.c
+++ b/drivers/tc/zs.c
@@ -1791,7 +1791,7 @@ int __init zs_init(void)
                 zs_soft[channel].clk_divisor = 16;
                 zs_soft[channel].zs_baud = get_zsbaud(&zs_soft[channel]);
 
-                if (request_irq(zs_soft[channel].irq, rs_interrupt, SA_SHIRQ,
+                if (request_irq(zs_soft[channel].irq, rs_interrupt, IRQF_SHARED,
                                 "scc", &zs_soft[channel]))
                         printk(KERN_ERR "decserial: can't get irq %d\n",
                                zs_soft[channel].irq);
diff --git a/drivers/usb/core/hcd-pci.c b/drivers/usb/core/hcd-pci.c
index 9d16716d166e..5078fb3375e3 100644
--- a/drivers/usb/core/hcd-pci.c
+++ b/drivers/usb/core/hcd-pci.c
@@ -125,7 +125,7 @@ int usb_hcd_pci_probe (struct pci_dev *dev, const struct pci_device_id *id)
 
         pci_set_master (dev);
 
-        retval = usb_add_hcd (hcd, dev->irq, SA_SHIRQ);
+        retval = usb_add_hcd (hcd, dev->irq, IRQF_SHARED);
         if (retval != 0)
                 goto err4;
         return retval;
diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c
index acb3c3d2e888..1c459ff037ce 100644
--- a/drivers/usb/gadget/at91_udc.c
+++ b/drivers/usb/gadget/at91_udc.c
@@ -1653,13 +1653,13 @@ static int __devinit at91udc_probe(struct platform_device *pdev)
         pullup(udc, 0);
 
         /* request UDC and maybe VBUS irqs */
-        if (request_irq(AT91_ID_UDP, at91_udc_irq, SA_INTERRUPT, driver_name, udc)) {
+        if (request_irq(AT91_ID_UDP, at91_udc_irq, IRQF_DISABLED, driver_name, udc)) {
                 DBG("request irq %d failed\n", AT91_ID_UDP);
                 retval = -EBUSY;
                 goto fail1;
         }
         if (udc->board.vbus_pin > 0) {
-                if (request_irq(udc->board.vbus_pin, at91_vbus_irq, SA_INTERRUPT, driver_name, udc)) {
+                if (request_irq(udc->board.vbus_pin, at91_vbus_irq, IRQF_DISABLED, driver_name, udc)) {
                         DBG("request vbus irq %d failed\n", udc->board.vbus_pin);
                         free_irq(AT91_ID_UDP, udc);
                         retval = -EBUSY;
diff --git a/drivers/usb/gadget/goku_udc.c b/drivers/usb/gadget/goku_udc.c
index 3f827ded8cdf..7cf2999e8616 100644
--- a/drivers/usb/gadget/goku_udc.c
+++ b/drivers/usb/gadget/goku_udc.c
@@ -1916,7 +1916,7 @@ static int goku_probe(struct pci_dev *pdev, const struct pci_device_id *id)
         /* init to known state, then setup irqs */
         udc_reset(dev);
         udc_reinit (dev);
-        if (request_irq(pdev->irq, goku_irq, SA_SHIRQ/*|SA_SAMPLE_RANDOM*/,
+        if (request_irq(pdev->irq, goku_irq, IRQF_SHARED/*|IRQF_SAMPLE_RANDOM*/,
                         driver_name, dev) != 0) {
                 DBG(dev, "request interrupt %d failed\n", pdev->irq);
                 retval = -EBUSY;
diff --git a/drivers/usb/gadget/lh7a40x_udc.c b/drivers/usb/gadget/lh7a40x_udc.c
index 0d3424eda038..bb22b7e82877 100644
--- a/drivers/usb/gadget/lh7a40x_udc.c
+++ b/drivers/usb/gadget/lh7a40x_udc.c
@@ -2107,7 +2107,7 @@ static int lh7a40x_udc_probe(struct platform_device *pdev)
 
         /* irq setup after old hardware state is cleaned up */
         retval =
-            request_irq(IRQ_USBINTR, lh7a40x_udc_irq, SA_INTERRUPT, driver_name,
+            request_irq(IRQ_USBINTR, lh7a40x_udc_irq, IRQF_DISABLED, driver_name,
                         dev);
         if (retval != 0) {
                 DEBUG(KERN_ERR "%s: can't get irq %i, err %d\n", driver_name,
diff --git a/drivers/usb/gadget/net2280.c b/drivers/usb/gadget/net2280.c
index 570996d7eb34..09243239d948 100644
--- a/drivers/usb/gadget/net2280.c
+++ b/drivers/usb/gadget/net2280.c
@@ -2895,7 +2895,7 @@ static int net2280_probe (struct pci_dev *pdev, const struct pci_device_id *id)
                 goto done;
         }
 
-        if (request_irq (pdev->irq, net2280_irq, SA_SHIRQ, driver_name, dev)
+        if (request_irq (pdev->irq, net2280_irq, IRQF_SHARED, driver_name, dev)
                         != 0) {
                 ERROR (dev, "request interrupt %d failed\n", pdev->irq);
                 retval = -EBUSY;
diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
index 0d642ac70055..2de9748ee673 100644
--- a/drivers/usb/gadget/omap_udc.c
+++ b/drivers/usb/gadget/omap_udc.c
@@ -772,7 +772,7 @@ static void dma_error(int lch, u16 ch_status, void *data)
         struct omap_ep  *ep = data;
 
         /* if ch_status & OMAP_DMA_DROP_IRQ ... */
-        /* if ch_status & OMAP_DMA_TOUT_IRQ ... */
+        /* if ch_status & OMAP1_DMA_TOUT_IRQ ... */
         ERR("%s dma error, lch %d status %02x\n", ep->ep.name, lch, ch_status);
 
         /* complete current transfer ... */
@@ -2818,7 +2818,7 @@ bad_on_1710:
 
         /* USB general purpose IRQ:  ep0, state changes, dma, etc */
         status = request_irq(pdev->resource[1].start, omap_udc_irq,
-                        SA_SAMPLE_RANDOM, driver_name, udc);
+                        IRQF_SAMPLE_RANDOM, driver_name, udc);
         if (status != 0) {
                 ERR( "can't get irq %ld, err %d\n",
                         pdev->resource[1].start, status);
@@ -2827,7 +2827,7 @@ bad_on_1710:
 
         /* USB "non-iso" IRQ (PIO for all but ep0) */
         status = request_irq(pdev->resource[2].start, omap_udc_pio_irq,
-                        SA_SAMPLE_RANDOM, "omap_udc pio", udc);
+                        IRQF_SAMPLE_RANDOM, "omap_udc pio", udc);
         if (status != 0) {
                 ERR( "can't get irq %ld, err %d\n",
                         pdev->resource[2].start, status);
@@ -2835,7 +2835,7 @@ bad_on_1710:
         }
 #ifdef  USE_ISO
         status = request_irq(pdev->resource[3].start, omap_udc_iso_irq,
-                        SA_INTERRUPT, "omap_udc iso", udc);
+                        IRQF_DISABLED, "omap_udc iso", udc);
         if (status != 0) {
                 ERR("can't get irq %ld, err %d\n",
                         pdev->resource[3].start, status);
diff --git a/drivers/usb/gadget/pxa2xx_udc.c b/drivers/usb/gadget/pxa2xx_udc.c
index c88650dffdeb..fff027d30a09 100644
--- a/drivers/usb/gadget/pxa2xx_udc.c
+++ b/drivers/usb/gadget/pxa2xx_udc.c
@@ -2521,7 +2521,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
 
         /* irq setup after old hardware state is cleaned up */
         retval = request_irq(IRQ_USB, pxa2xx_udc_irq,
-                        SA_INTERRUPT, driver_name, dev);
+                        IRQF_DISABLED, driver_name, dev);
         if (retval != 0) {
                 printk(KERN_ERR "%s: can't get irq %i, err %d\n",
                         driver_name, IRQ_USB, retval);
@@ -2533,7 +2533,7 @@ static int __init pxa2xx_udc_probe(struct platform_device *pdev)
         if (machine_is_lubbock()) {
                 retval = request_irq(LUBBOCK_USB_DISC_IRQ,
                                 lubbock_vbus_irq,
-                                SA_INTERRUPT | SA_SAMPLE_RANDOM,
+                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                                 driver_name, dev);
                 if (retval != 0) {
                         printk(KERN_ERR "%s: can't get irq %i, err %d\n",
@@ -2544,7 +2544,7 @@ lubbock_fail0:
                 }
                 retval = request_irq(LUBBOCK_USB_IRQ,
                                 lubbock_vbus_irq,
-                                SA_INTERRUPT | SA_SAMPLE_RANDOM,
+                                IRQF_DISABLED | IRQF_SAMPLE_RANDOM,
                                 driver_name, dev);
                 if (retval != 0) {
                         printk(KERN_ERR "%s: can't get irq %i, err %d\n",
diff --git a/drivers/usb/host/ehci-au1xxx.c b/drivers/usb/host/ehci-au1xxx.c
index 9b4697add313..d66867aa527e 100644
--- a/drivers/usb/host/ehci-au1xxx.c
+++ b/drivers/usb/host/ehci-au1xxx.c
@@ -148,7 +148,7 @@ int usb_ehci_au1xxx_probe(const struct hc_driver *driver,
         /* ehci_hcd_init(hcd_to_ehci(hcd)); */
 
         retval =
-            usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT | SA_SHIRQ);
+            usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED | IRQF_SHARED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index a49a689bf423..d030516edfb9 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -121,7 +121,7 @@ int usb_hcd_fsl_probe(const struct hc_driver *driver,
         temp = in_le32(hcd->regs + 0x1a8);
         out_le32(hcd->regs + 0x1a8, temp | 0x3);
 
-        retval = usb_add_hcd(hcd, irq, SA_SHIRQ);
+        retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
         if (retval != 0)
                 goto err4;
         return retval;
diff --git a/drivers/usb/host/isp116x-hcd.c b/drivers/usb/host/isp116x-hcd.c
index 14386254c870..5147ed4a6662 100644
--- a/drivers/usb/host/isp116x-hcd.c
+++ b/drivers/usb/host/isp116x-hcd.c
@@ -1653,7 +1653,7 @@ static int __init isp116x_probe(struct platform_device *pdev)
                 goto err6;
         }
 
-        ret = usb_add_hcd(hcd, irq, SA_INTERRUPT);
+        ret = usb_add_hcd(hcd, irq, IRQF_DISABLED);
         if (ret)
                 goto err6;
 
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 6b7350b52419..cdbafb710000 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -125,7 +125,7 @@ int usb_hcd_at91_probe (const struct hc_driver *driver, struct platform_device *
         at91_start_hc(pdev);
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-au1xxx.c b/drivers/usb/host/ohci-au1xxx.c
index a1c8b3b2fcc7..689261e44018 100644
--- a/drivers/usb/host/ohci-au1xxx.c
+++ b/drivers/usb/host/ohci-au1xxx.c
@@ -191,7 +191,7 @@ static int usb_ohci_au1xxx_probe(const struct hc_driver *driver,
         au1xxx_start_ohc(dev);
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT | SA_SHIRQ);
+        retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED | IRQF_SHARED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-lh7a404.c b/drivers/usb/host/ohci-lh7a404.c
index 0020ed7a39d0..5602da9bd52c 100644
--- a/drivers/usb/host/ohci-lh7a404.c
+++ b/drivers/usb/host/ohci-lh7a404.c
@@ -100,7 +100,7 @@ int usb_hcd_lh7a404_probe (const struct hc_driver *driver,
         lh7a404_start_hc(dev);
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index ca19abe01c53..c4c4babd4767 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -14,7 +14,7 @@
  * This file is licenced under the GPL.
  */
 
-#include <linux/signal.h>       /* SA_INTERRUPT */
+#include <linux/signal.h>       /* IRQF_DISABLED */
 #include <linux/jiffies.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
@@ -334,7 +334,7 @@ int usb_hcd_omap_probe (const struct hc_driver *driver,
                 retval = -ENXIO;
                 goto err2;
         }
-        retval = usb_add_hcd(hcd, irq, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-ppc-soc.c b/drivers/usb/host/ohci-ppc-soc.c
index b2a8dfa48870..9fe56ff1615d 100644
--- a/drivers/usb/host/ohci-ppc-soc.c
+++ b/drivers/usb/host/ohci-ppc-soc.c
@@ -75,7 +75,7 @@ static int usb_hcd_ppc_soc_probe(const struct hc_driver *driver,
         ohci->flags |= OHCI_BIG_ENDIAN;
         ohci_hcd_init(ohci);
 
-        retval = usb_add_hcd(hcd, irq, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, irq, IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-pxa27x.c b/drivers/usb/host/ohci-pxa27x.c
index fafe7c1265b3..6f559e102789 100644
--- a/drivers/usb/host/ohci-pxa27x.c
+++ b/drivers/usb/host/ohci-pxa27x.c
@@ -190,7 +190,7 @@ int usb_hcd_pxa27x_probe (const struct hc_driver *driver, struct platform_device
 
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, pdev->resource[1].start, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, pdev->resource[1].start, IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index 1da5de573a6f..d2fc6969a9f7 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -388,7 +388,7 @@ static int usb_hcd_s3c2410_probe (const struct hc_driver *driver,
 
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, dev->resource[1].start, SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, dev->resource[1].start, IRQF_DISABLED);
         if (retval != 0)
                 goto err_ioremap;
 
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index fb3221ebbb29..ce3de106cadc 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -143,7 +143,7 @@ int usb_hcd_sa1111_probe (const struct hc_driver *driver,
         sa1111_start_hc(dev);
         ohci_hcd_init(hcd_to_ohci(hcd));
 
-        retval = usb_add_hcd(hcd, dev->irq[1], SA_INTERRUPT);
+        retval = usb_add_hcd(hcd, dev->irq[1], IRQF_DISABLED);
         if (retval == 0)
                 return retval;
 
diff --git a/drivers/usb/host/sl811-hcd.c b/drivers/usb/host/sl811-hcd.c
index c327168255cd..fa34092bbcde 100644
--- a/drivers/usb/host/sl811-hcd.c
+++ b/drivers/usb/host/sl811-hcd.c
@@ -1749,7 +1749,7 @@ sl811h_probe(struct platform_device *dev)
          * was on a system with single edge triggering, so most sorts of
          * triggering arrangement should work.
          */
-        retval = usb_add_hcd(hcd, irq, SA_INTERRUPT | SA_SHIRQ);
+        retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
         if (retval != 0)
                 goto err6;
 
diff --git a/drivers/video/arcfb.c b/drivers/video/arcfb.c
index 466042808daf..fd95c2dbd4f7 100644
--- a/drivers/video/arcfb.c
+++ b/drivers/video/arcfb.c
@@ -561,7 +561,7 @@ static int __init arcfb_probe(struct platform_device *dev)
         platform_set_drvdata(dev, info);
         if (irq) {
                 par->irq = irq;
-                if (request_irq(par->irq, &arcfb_interrupt, SA_SHIRQ,
+                if (request_irq(par->irq, &arcfb_interrupt, IRQF_SHARED,
                                 "arcfb", info)) {
                         printk(KERN_INFO
                                 "arcfb: Failed req IRQ %d\n", par->irq);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 85fcd22e6ed5..0c9706746d79 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -1567,7 +1567,7 @@ static int aty_enable_irq(struct atyfb_par *par, int reenable)
         u32 int_cntl;
 
         if (!test_and_set_bit(0, &par->irq_flags)) {
-                if (request_irq(par->irq, aty_irq, SA_SHIRQ, "atyfb", par)) {
+                if (request_irq(par->irq, aty_irq, IRQF_SHARED, "atyfb", par)) {
                         clear_bit(0, &par->irq_flags);
                         return -EINVAL;
                 }
diff --git a/drivers/video/au1200fb.c b/drivers/video/au1200fb.c
index 600d3e0e08b7..c6a5f0ccc107 100644
--- a/drivers/video/au1200fb.c
+++ b/drivers/video/au1200fb.c
@@ -1694,7 +1694,7 @@ static int au1200fb_drv_probe(struct device *dev)
 
         /* Now hook interrupt too */
         if ((ret = request_irq(AU1200_LCD_INT, au1200fb_handle_irq,
-                          SA_INTERRUPT | SA_SHIRQ, "lcd", (void *)dev)) < 0) {
+                          IRQF_DISABLED | IRQF_SHARED, "lcd", (void *)dev)) < 0) {
                 print_err("fail to request interrupt line %d (err: %d)",
                           AU1200_LCD_INT, ret);
                 goto failed;
diff --git a/drivers/video/matrox/matroxfb_base.c b/drivers/video/matrox/matroxfb_base.c
index 8b5bf7972ee3..4a57dabb77d4 100644
--- a/drivers/video/matrox/matroxfb_base.c
+++ b/drivers/video/matrox/matroxfb_base.c
@@ -233,7 +233,7 @@ int matroxfb_enable_irq(WPMINFO int reenable) {
 
         if (!test_and_set_bit(0, &ACCESS_FBINFO(irq_flags))) {
                 if (request_irq(ACCESS_FBINFO(pcidev)->irq, matrox_irq,
-                                SA_SHIRQ, "matroxfb", MINFO)) {
+                                IRQF_SHARED, "matroxfb", MINFO)) {
                         clear_bit(0, &ACCESS_FBINFO(irq_flags));
                         return -EINVAL;
                 }
diff --git a/drivers/video/pxafb.c b/drivers/video/pxafb.c
index 54663a9baf43..bbb07106cd54 100644
--- a/drivers/video/pxafb.c
+++ b/drivers/video/pxafb.c
@@ -1334,7 +1334,7 @@ int __init pxafb_probe(struct platform_device *dev)
                 goto failed;
         }
 
-        ret = request_irq(IRQ_LCD, pxafb_handle_irq, SA_INTERRUPT, "LCD", fbi);
+        ret = request_irq(IRQ_LCD, pxafb_handle_irq, IRQF_DISABLED, "LCD", fbi);
         if (ret) {
                 dev_err(&dev->dev, "request_irq failed: %d\n", ret);
                 ret = -EBUSY;
diff --git a/drivers/video/s3c2410fb.c b/drivers/video/s3c2410fb.c
index fbc411850686..f461eb10cc79 100644
--- a/drivers/video/s3c2410fb.c
+++ b/drivers/video/s3c2410fb.c
@@ -735,7 +735,7 @@ static int __init s3c2410fb_probe(struct platform_device *pdev)
 
         dprintk("got LCD region\n");
 
-        ret = request_irq(irq, s3c2410fb_irq, SA_INTERRUPT, pdev->name, info);
+        ret = request_irq(irq, s3c2410fb_irq, IRQF_DISABLED, pdev->name, info);
         if (ret) {
                 dev_err(&pdev->dev, "cannot get irq %d - err %d\n", irq, ret);
                 ret = -EBUSY;
diff --git a/drivers/video/sa1100fb.c b/drivers/video/sa1100fb.c
index 553fd84af44f..a2e6e7205d7e 100644
--- a/drivers/video/sa1100fb.c
+++ b/drivers/video/sa1100fb.c
@@ -1472,7 +1472,7 @@ static int __init sa1100fb_probe(struct platform_device *pdev)
         if (ret)
                 goto failed;
 
-        ret = request_irq(irq, sa1100fb_handle_irq, SA_INTERRUPT,
+        ret = request_irq(irq, sa1100fb_handle_irq, IRQF_DISABLED,
                           "LCD", fbi);
         if (ret) {
                 printk(KERN_ERR "sa1100fb: request_irq failed: %d\n", ret);