119 files changed, 2216 insertions, 1649 deletions

diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 5eb25eb3ea4..3b5c3189fd9 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -274,7 +274,7 @@ acpi_table_parse_srat(enum acpi_srat_type id,
 
 int __init acpi_numa_init(void)
 {
-        int ret = 0;
+        int cnt = 0;
 
         /*
          * Should not limit number with cpu num that is from NR_CPUS or nr_cpus=
@@ -288,7 +288,7 @@ int __init acpi_numa_init(void)
                                      acpi_parse_x2apic_affinity, 0);
                 acpi_table_parse_srat(ACPI_SRAT_TYPE_CPU_AFFINITY,
                                      acpi_parse_processor_affinity, 0);
-                ret = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
+                cnt = acpi_table_parse_srat(ACPI_SRAT_TYPE_MEMORY_AFFINITY,
                                             acpi_parse_memory_affinity,
                                             NR_NODE_MEMBLKS);
         }
@@ -297,7 +297,10 @@ int __init acpi_numa_init(void)
         acpi_table_parse(ACPI_SIG_SLIT, acpi_parse_slit);
 
         acpi_numa_arch_fixup();
-        return ret;
+
+        if (cnt <= 0)
+                return cnt ?: -ENOENT;
+        return 0;
 }
 
 int acpi_get_pxm(acpi_handle h)
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index c90c76aa7f8..4a6753009d7 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1589,9 +1589,9 @@ acpi_status __init acpi_os_initialize(void)
 
 acpi_status __init acpi_os_initialize1(void)
 {
-        kacpid_wq = create_workqueue("kacpid");
-        kacpi_notify_wq = create_workqueue("kacpi_notify");
-        kacpi_hotplug_wq = create_workqueue("kacpi_hotplug");
+        kacpid_wq = alloc_workqueue("kacpid", 0, 1);
+        kacpi_notify_wq = alloc_workqueue("kacpi_notify", 0, 1);
+        kacpi_hotplug_wq = alloc_workqueue("kacpi_hotplug", 0, 1);
         BUG_ON(!kacpid_wq);
         BUG_ON(!kacpi_notify_wq);
         BUG_ON(!kacpi_hotplug_wq);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index c2328aed083..75afa75a515 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -202,6 +202,18 @@ config SATA_DWC
 
           If unsure, say N.
 
+config SATA_DWC_DEBUG
+        bool "Debugging driver version"
+        depends on SATA_DWC
+        help
+          This option enables debugging output in the driver.
+
+config SATA_DWC_VDEBUG
+        bool "Verbose debug output"
+        depends on SATA_DWC_DEBUG
+        help
+          This option enables the taskfile dumping and NCQ debugging.
+
 config SATA_MV
         tristate "Marvell SATA support"
         help
@@ -299,6 +311,12 @@ config PATA_AMD
 
           If unsure, say N.
 
+config PATA_ARASAN_CF
+        tristate "ARASAN CompactFlash PATA Controller Support"
+        select DMA_ENGINE
+        help
+          Say Y here to support the ARASAN CompactFlash PATA controller
+
 config PATA_ARTOP
         tristate "ARTOP 6210/6260 PATA support"
         depends on PCI
diff --git a/drivers/ata/Makefile b/drivers/ata/Makefile
index 27291aad6ca..8ac64e1aa05 100644
--- a/drivers/ata/Makefile
+++ b/drivers/ata/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_SATA_DWC)		+= sata_dwc_460ex.o
 
 # SFF w/ custom DMA
 obj-$(CONFIG_PDC_ADMA)          += pdc_adma.o
+obj-$(CONFIG_PATA_ARASAN_CF)    += pata_arasan_cf.o
 obj-$(CONFIG_PATA_OCTEON_CF)    += pata_octeon_cf.o
 obj-$(CONFIG_SATA_QSTOR)        += sata_qstor.o
 obj-$(CONFIG_SATA_SX4)          += sata_sx4.o
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index b8d96ce37fc..e62f693be8e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -175,8 +175,7 @@ static const struct ata_port_info ahci_port_info[] = {
         {
                 AHCI_HFLAGS     (AHCI_HFLAG_NO_NCQ | AHCI_HFLAG_NO_MSI |
                                  AHCI_HFLAG_MV_PATA | AHCI_HFLAG_NO_PMP),
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
                 .pio_mask       = ATA_PIO4,
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &ahci_ops,
@@ -260,6 +259,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
         { PCI_VDEVICE(INTEL, 0x1d02), board_ahci }, /* PBG AHCI */
         { PCI_VDEVICE(INTEL, 0x1d04), board_ahci }, /* PBG RAID */
         { PCI_VDEVICE(INTEL, 0x1d06), board_ahci }, /* PBG RAID */
+        { PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* PBG RAID */
         { PCI_VDEVICE(INTEL, 0x2323), board_ahci }, /* DH89xxCC AHCI */
 
         /* JMicron 360/1/3/5/6, match class to avoid IDE function */
@@ -383,6 +383,10 @@ static const struct pci_device_id ahci_pci_tbl[] = {
           .class = PCI_CLASS_STORAGE_SATA_AHCI,
           .class_mask = 0xffffff,
           .driver_data = board_ahci_yes_fbs },                  /* 88se9128 */
+        { PCI_DEVICE(0x1b4b, 0x9125),
+          .driver_data = board_ahci_yes_fbs },                  /* 88se9125 */
+        { PCI_DEVICE(0x1b4b, 0x91a3),
+          .driver_data = board_ahci_yes_fbs },
 
         /* Promise */
         { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci },   /* PDC42819 */
diff --git a/drivers/ata/ahci.h b/drivers/ata/ahci.h
index 3e606c34f57..ccaf0812205 100644
--- a/drivers/ata/ahci.h
+++ b/drivers/ata/ahci.h
@@ -213,10 +213,8 @@ enum {
 
         /* ap->flags bits */
 
-        AHCI_FLAG_COMMON                = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                          ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
-                                          ATA_FLAG_ACPI_SATA | ATA_FLAG_AN |
-                                          ATA_FLAG_LPM,
+        AHCI_FLAG_COMMON                = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
+                                          ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
 
         ICH_MAP                         = 0x90, /* ICH MAP register */
 
diff --git a/drivers/ata/ata_generic.c b/drivers/ata/ata_generic.c
index 6981f7680a0..721d38bfa33 100644
--- a/drivers/ata/ata_generic.c
+++ b/drivers/ata/ata_generic.c
@@ -237,7 +237,7 @@ static struct pci_device_id ata_generic[] = {
 #endif
         /* Intel, IDE class device */
         { PCI_VENDOR_ID_INTEL, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
-          PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL, 
+          PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL,
           .driver_data = ATA_GEN_INTEL_IDER },
         /* Must come last. If you add entries adjust this table appropriately */
         { PCI_DEVICE_CLASS(PCI_CLASS_STORAGE_IDE << 8, 0xFFFFFF00UL),
diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c
index 6cb14ca8ee8..cdec4ab3b15 100644
--- a/drivers/ata/ata_piix.c
+++ b/drivers/ata/ata_piix.c
@@ -230,7 +230,7 @@ static const struct pci_device_id piix_pci_tbl[] = {
         { 0x8086, 0x2850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich_pata_100 },
 
         /* SATA ports */
-        
+
         /* 82801EB (ICH5) */
         { 0x8086, 0x24d1, PCI_ANY_ID, PCI_ANY_ID, 0, 0, ich5_sata },
         /* 82801EB (ICH5) */
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 8b5ea399a4f..a791b8ce629 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -660,8 +660,7 @@ static int ata_acpi_filter_tf(struct ata_device *dev,
  * @dev: target ATA device
  * @gtf: raw ATA taskfile register set (0x1f1 - 0x1f7)
  *
- * Outputs ATA taskfile to standard ATA host controller using MMIO
- * or PIO as indicated by the ATA_FLAG_MMIO flag.
+ * Outputs ATA taskfile to standard ATA host controller.
  * Writes the control, feature, nsect, lbal, lbam, and lbah registers.
  * Optionally (ATA_TFLAG_LBA48) writes hob_feature, hob_nsect,
  * hob_lbal, hob_lbam, and hob_lbah.
diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index d4e52e21485..b91e19cab10 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -4210,7 +4210,7 @@ static int glob_match (const char *text, const char *pattern)
                 return 0;  /* End of both strings: match */
         return 1;  /* No match */
 }
- 
+
 static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
 {
         unsigned char model_num[ATA_ID_PROD_LEN + 1];
@@ -5479,7 +5479,7 @@ struct ata_port *ata_port_alloc(struct ata_host *host)
         ap = kzalloc(sizeof(*ap), GFP_KERNEL);
         if (!ap)
                 return NULL;
-        
+
         ap->pflags |= ATA_PFLAG_INITIALIZING;
         ap->lock = &host->lock;
         ap->print_id = -1;
@@ -5887,21 +5887,9 @@ void ata_host_init(struct ata_host *host, struct device *dev,
         host->ops = ops;
 }
 
-
-static void async_port_probe(void *data, async_cookie_t cookie)
+int ata_port_probe(struct ata_port *ap)
 {
-        int rc;
-        struct ata_port *ap = data;
-
-        /*
-         * If we're not allowed to scan this host in parallel,
-         * we need to wait until all previous scans have completed
-         * before going further.
-         * Jeff Garzik says this is only within a controller, so we
-         * don't need to wait for port 0, only for later ports.
-         */
-        if (!(ap->host->flags & ATA_HOST_PARALLEL_SCAN) && ap->port_no != 0)
-                async_synchronize_cookie(cookie);
+        int rc = 0;
 
         /* probe */
         if (ap->ops->error_handler) {
@@ -5927,23 +5915,33 @@ static void async_port_probe(void *data, async_cookie_t cookie)
                 DPRINTK("ata%u: bus probe begin\n", ap->print_id);
                 rc = ata_bus_probe(ap);
                 DPRINTK("ata%u: bus probe end\n", ap->print_id);
-
-                if (rc) {
-                        /* FIXME: do something useful here?
-                         * Current libata behavior will
-                         * tear down everything when
-                         * the module is removed
-                         * or the h/w is unplugged.
-                         */
-                }
         }
+        return rc;
+}
+
+
+static void async_port_probe(void *data, async_cookie_t cookie)
+{
+        struct ata_port *ap = data;
+
+        /*
+         * If we're not allowed to scan this host in parallel,
+         * we need to wait until all previous scans have completed
+         * before going further.
+         * Jeff Garzik says this is only within a controller, so we
+         * don't need to wait for port 0, only for later ports.
+         */
+        if (!(ap->host->flags & ATA_HOST_PARALLEL_SCAN) && ap->port_no != 0)
+                async_synchronize_cookie(cookie);
+
+        (void)ata_port_probe(ap);
 
         /* in order to keep device order, we need to synchronize at this point */
         async_synchronize_cookie(cookie);
 
         ata_scsi_scan_host(ap, 1);
-
 }
+
 /**
  *      ata_host_register - register initialized ATA host
  *      @host: ATA host to register
@@ -5983,7 +5981,7 @@ int ata_host_register(struct ata_host *host, struct scsi_host_template *sht)
         for (i = 0; i < host->n_ports; i++)
                 host->ports[i]->print_id = ata_print_id++;
 
-        
+
         /* Create associated sysfs transport objects  */
         for (i = 0; i < host->n_ports; i++) {
                 rc = ata_tport_add(host->dev,host->ports[i]);
@@ -6471,7 +6469,7 @@ static int __init ata_init(void)
                 ata_sff_exit();
                 rc = -ENOMEM;
                 goto err_out;
-        }               
+        }
 
         printk(KERN_DEBUG "libata version " DRV_VERSION " loaded.\n");
         return 0;
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 17a637877d0..df3f3140c9c 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -587,11 +587,43 @@ static void ata_eh_unload(struct ata_port *ap)
 void ata_scsi_error(struct Scsi_Host *host)
 {
         struct ata_port *ap = ata_shost_to_port(host);
-        int i;
         unsigned long flags;
+        LIST_HEAD(eh_work_q);
 
         DPRINTK("ENTER\n");
 
+        spin_lock_irqsave(host->host_lock, flags);
+        list_splice_init(&host->eh_cmd_q, &eh_work_q);
+        spin_unlock_irqrestore(host->host_lock, flags);
+
+        ata_scsi_cmd_error_handler(host, ap, &eh_work_q);
+
+        /* If we timed raced normal completion and there is nothing to
+           recover nr_timedout == 0 why exactly are we doing error recovery ? */
+        ata_scsi_port_error_handler(host, ap);
+
+        /* finish or retry handled scmd's and clean up */
+        WARN_ON(host->host_failed || !list_empty(&eh_work_q));
+
+        DPRINTK("EXIT\n");
+}
+
+/**
+ * ata_scsi_cmd_error_handler - error callback for a list of commands
+ * @host:       scsi host containing the port
+ * @ap:         ATA port within the host
+ * @eh_work_q:  list of commands to process
+ *
+ * process the given list of commands and return those finished to the
+ * ap->eh_done_q.  This function is the first part of the libata error
+ * handler which processes a given list of failed commands.
+ */
+void ata_scsi_cmd_error_handler(struct Scsi_Host *host, struct ata_port *ap,
+                                struct list_head *eh_work_q)
+{
+        int i;
+        unsigned long flags;
+
         /* make sure sff pio task is not running */
         ata_sff_flush_pio_task(ap);
 
@@ -627,7 +659,7 @@ void ata_scsi_error(struct Scsi_Host *host)
                 if (ap->ops->lost_interrupt)
                         ap->ops->lost_interrupt(ap);
 
-                list_for_each_entry_safe(scmd, tmp, &host->eh_cmd_q, eh_entry) {
+                list_for_each_entry_safe(scmd, tmp, eh_work_q, eh_entry) {
                         struct ata_queued_cmd *qc;
 
                         for (i = 0; i < ATA_MAX_QUEUE; i++) {
@@ -671,8 +703,20 @@ void ata_scsi_error(struct Scsi_Host *host)
         } else
                 spin_unlock_wait(ap->lock);
 
-        /* If we timed raced normal completion and there is nothing to
-           recover nr_timedout == 0 why exactly are we doing error recovery ? */
+}
+EXPORT_SYMBOL(ata_scsi_cmd_error_handler);
+
+/**
+ * ata_scsi_port_error_handler - recover the port after the commands
+ * @host:       SCSI host containing the port
+ * @ap:         the ATA port
+ *
+ * Handle the recovery of the port @ap after all the commands
+ * have been recovered.
+ */
+void ata_scsi_port_error_handler(struct Scsi_Host *host, struct ata_port *ap)
+{
+        unsigned long flags;
 
         /* invoke error handler */
         if (ap->ops->error_handler) {
@@ -761,9 +805,6 @@ void ata_scsi_error(struct Scsi_Host *host)
                 ap->ops->eng_timeout(ap);
         }
 
-        /* finish or retry handled scmd's and clean up */
-        WARN_ON(host->host_failed || !list_empty(&host->eh_cmd_q));
-
         scsi_eh_flush_done_q(&ap->eh_done_q);
 
         /* clean up */
@@ -784,9 +825,8 @@ void ata_scsi_error(struct Scsi_Host *host)
         wake_up_all(&ap->eh_wait_q);
 
         spin_unlock_irqrestore(ap->lock, flags);
-
-        DPRINTK("EXIT\n");
 }
+EXPORT_SYMBOL_GPL(ata_scsi_port_error_handler);
 
 /**
  *      ata_port_wait_eh - Wait for the currently pending EH to complete
@@ -1618,7 +1658,7 @@ static void ata_eh_analyze_serror(struct ata_link *link)
          * host links.  For disabled PMP links, only N bit is
          * considered as X bit is left at 1 for link plugging.
          */
-        if (link->lpm_policy != ATA_LPM_MAX_POWER)
+        if (link->lpm_policy > ATA_LPM_MAX_POWER)
                 hotplug_mask = 0;       /* hotplug doesn't work w/ LPM */
         else if (!(link->flags & ATA_LFLAG_DISABLED) || ata_is_host_link(link))
                 hotplug_mask = SERR_PHYRDY_CHG | SERR_DEV_XCHG;
diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c
index 600f6353ecf..a8341999135 100644
--- a/drivers/ata/libata-scsi.c
+++ b/drivers/ata/libata-scsi.c
@@ -2056,6 +2056,17 @@ static unsigned int ata_scsiop_inq_83(struct ata_scsi_args *args, u8 *rbuf)
                       ATA_ID_SERNO_LEN);
         num += ATA_ID_SERNO_LEN;
 
+        if (ata_id_has_wwn(args->id)) {
+                /* SAT defined lu world wide name */
+                /* piv=0, assoc=lu, code_set=binary, designator=NAA */
+                rbuf[num + 0] = 1;
+                rbuf[num + 1] = 3;
+                rbuf[num + 3] = ATA_ID_WWN_LEN;
+                num += 4;
+                ata_id_string(args->id, (unsigned char *) rbuf + num,
+                              ATA_ID_WWN, ATA_ID_WWN_LEN);
+                num += ATA_ID_WWN_LEN;
+        }
         rbuf[3] = num - 4;    /* page len (assume less than 256 bytes) */
         return 0;
 }
@@ -3759,7 +3770,7 @@ struct ata_port *ata_sas_port_alloc(struct ata_host *host,
                 return NULL;
 
         ap->port_no = 0;
-        ap->lock = shost->host_lock;
+        ap->lock = &host->lock;
         ap->pio_mask = port_info->pio_mask;
         ap->mwdma_mask = port_info->mwdma_mask;
         ap->udma_mask = port_info->udma_mask;
@@ -3821,7 +3832,7 @@ int ata_sas_port_init(struct ata_port *ap)
 
         if (!rc) {
                 ap->print_id = ata_print_id++;
-                rc = ata_bus_probe(ap);
+                rc = ata_port_probe(ap);
         }
 
         return rc;
diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index af6141bb1ba..cf7acbc0cfc 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1302,6 +1302,18 @@ fsm_start:
 }
 EXPORT_SYMBOL_GPL(ata_sff_hsm_move);
 
+void ata_sff_queue_work(struct work_struct *work)
+{
+        queue_work(ata_sff_wq, work);
+}
+EXPORT_SYMBOL_GPL(ata_sff_queue_work);
+
+void ata_sff_queue_delayed_work(struct delayed_work *dwork, unsigned long delay)
+{
+        queue_delayed_work(ata_sff_wq, dwork, delay);
+}
+EXPORT_SYMBOL_GPL(ata_sff_queue_delayed_work);
+
 void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay)
 {
         struct ata_port *ap = link->ap;
@@ -1311,8 +1323,7 @@ void ata_sff_queue_pio_task(struct ata_link *link, unsigned long delay)
         ap->sff_pio_task_link = link;
 
         /* may fail if ata_sff_flush_pio_task() in progress */
-        queue_delayed_work(ata_sff_wq, &ap->sff_pio_task,
-                           msecs_to_jiffies(delay));
+        ata_sff_queue_delayed_work(&ap->sff_pio_task, msecs_to_jiffies(delay));
 }
 EXPORT_SYMBOL_GPL(ata_sff_queue_pio_task);
 
@@ -1336,7 +1347,7 @@ static void ata_sff_pio_task(struct work_struct *work)
         u8 status;
         int poll_next;
 
-        BUG_ON(ap->sff_pio_task_link == NULL); 
+        BUG_ON(ap->sff_pio_task_link == NULL);
         /* qc can be NULL if timeout occurred */
         qc = ata_qc_from_tag(ap, link->active_tag);
         if (!qc) {
diff --git a/drivers/ata/libata.h b/drivers/ata/libata.h
index a9be110dbf5..773de97988a 100644
--- a/drivers/ata/libata.h
+++ b/drivers/ata/libata.h
@@ -103,6 +103,7 @@ extern int ata_task_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern int ata_cmd_ioctl(struct scsi_device *scsidev, void __user *arg);
 extern struct ata_port *ata_port_alloc(struct ata_host *host);
 extern const char *sata_spd_string(unsigned int spd);
+extern int ata_port_probe(struct ata_port *ap);
 
 /* libata-acpi.c */
 #ifdef CONFIG_ATA_ACPI
diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c
index c8d47034d5e..91949d99755 100644
--- a/drivers/ata/pata_acpi.c
+++ b/drivers/ata/pata_acpi.c
@@ -245,7 +245,7 @@ static struct ata_port_operations pacpi_ops = {
 static int pacpi_init_one (struct pci_dev *pdev, const struct pci_device_id *id)
 {
         static const struct ata_port_info info = {
-                .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+                .flags          = ATA_FLAG_SLAVE_POSS,
 
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
diff --git a/drivers/ata/pata_arasan_cf.c b/drivers/ata/pata_arasan_cf.c
new file mode 100644
index 00000000000..65cee74605b
--- /dev/null
+++ b/drivers/ata/pata_arasan_cf.c
@@ -0,0 +1,983 @@
+/*
+ * drivers/ata/pata_arasan_cf.c
+ *
+ * Arasan Compact Flash host controller source file
+ *
+ * Copyright (C) 2011 ST Microelectronics
+ * Viresh Kumar <viresh.kumar@st.com>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+/*
+ * The Arasan CompactFlash Device Controller IP core has three basic modes of
+ * operation: PC card ATA using I/O mode, PC card ATA using memory mode, PC card
+ * ATA using true IDE modes. This driver supports only True IDE mode currently.
+ *
+ * Arasan CF Controller shares global irq register with Arasan XD Controller.
+ *
+ * Tested on arch/arm/mach-spear13xx
+ */
+
+#include <linux/ata.h>
+#include <linux/clk.h>
+#include <linux/completion.h>
+#include <linux/delay.h>
+#include <linux/dmaengine.h>
+#include <linux/io.h>
+#include <linux/irq.h>
+#include <linux/kernel.h>
+#include <linux/libata.h>
+#include <linux/module.h>
+#include <linux/pata_arasan_cf_data.h>
+#include <linux/platform_device.h>
+#include <linux/pm.h>
+#include <linux/slab.h>
+#include <linux/spinlock.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
+#define DRIVER_NAME     "arasan_cf"
+#define TIMEOUT         msecs_to_jiffies(3000)
+
+/* Registers */
+/* CompactFlash Interface Status */
+#define CFI_STS                 0x000
+        #define STS_CHG                         (1)
+        #define BIN_AUDIO_OUT                   (1 << 1)
+        #define CARD_DETECT1                    (1 << 2)
+        #define CARD_DETECT2                    (1 << 3)
+        #define INP_ACK                         (1 << 4)
+        #define CARD_READY                      (1 << 5)
+        #define IO_READY                        (1 << 6)
+        #define B16_IO_PORT_SEL                 (1 << 7)
+/* IRQ */
+#define IRQ_STS                 0x004
+/* Interrupt Enable */
+#define IRQ_EN                  0x008
+        #define CARD_DETECT_IRQ                 (1)
+        #define STATUS_CHNG_IRQ                 (1 << 1)
+        #define MEM_MODE_IRQ                    (1 << 2)
+        #define IO_MODE_IRQ                     (1 << 3)
+        #define TRUE_IDE_MODE_IRQ               (1 << 8)
+        #define PIO_XFER_ERR_IRQ                (1 << 9)
+        #define BUF_AVAIL_IRQ                   (1 << 10)
+        #define XFER_DONE_IRQ                   (1 << 11)
+        #define IGNORED_IRQS    (STATUS_CHNG_IRQ | MEM_MODE_IRQ | IO_MODE_IRQ |\
+                                        TRUE_IDE_MODE_IRQ)
+        #define TRUE_IDE_IRQS   (CARD_DETECT_IRQ | PIO_XFER_ERR_IRQ |\
+                                        BUF_AVAIL_IRQ | XFER_DONE_IRQ)
+/* Operation Mode */
+#define OP_MODE                 0x00C
+        #define CARD_MODE_MASK                  (0x3)
+        #define MEM_MODE                        (0x0)
+        #define IO_MODE                         (0x1)
+        #define TRUE_IDE_MODE                   (0x2)
+
+        #define CARD_TYPE_MASK                  (1 << 2)
+        #define CF_CARD                         (0)
+        #define CF_PLUS_CARD                    (1 << 2)
+
+        #define CARD_RESET                      (1 << 3)
+        #define CFHOST_ENB                      (1 << 4)
+        #define OUTPUTS_TRISTATE                (1 << 5)
+        #define ULTRA_DMA_ENB                   (1 << 8)
+        #define MULTI_WORD_DMA_ENB              (1 << 9)
+        #define DRQ_BLOCK_SIZE_MASK             (0x3 << 11)
+        #define DRQ_BLOCK_SIZE_512              (0)
+        #define DRQ_BLOCK_SIZE_1024             (1 << 11)
+        #define DRQ_BLOCK_SIZE_2048             (2 << 11)
+        #define DRQ_BLOCK_SIZE_4096             (3 << 11)
+/* CF Interface Clock Configuration */
+#define CLK_CFG                 0x010
+        #define CF_IF_CLK_MASK                  (0XF)
+/* CF Timing Mode Configuration */
+#define TM_CFG                  0x014
+        #define MEM_MODE_TIMING_MASK            (0x3)
+        #define MEM_MODE_TIMING_250NS           (0x0)
+        #define MEM_MODE_TIMING_120NS           (0x1)
+        #define MEM_MODE_TIMING_100NS           (0x2)
+        #define MEM_MODE_TIMING_80NS            (0x3)
+
+        #define IO_MODE_TIMING_MASK             (0x3 << 2)
+        #define IO_MODE_TIMING_250NS            (0x0 << 2)
+        #define IO_MODE_TIMING_120NS            (0x1 << 2)
+        #define IO_MODE_TIMING_100NS            (0x2 << 2)
+        #define IO_MODE_TIMING_80NS             (0x3 << 2)
+
+        #define TRUEIDE_PIO_TIMING_MASK         (0x7 << 4)
+        #define TRUEIDE_PIO_TIMING_SHIFT        4
+
+        #define TRUEIDE_MWORD_DMA_TIMING_MASK   (0x7 << 7)
+        #define TRUEIDE_MWORD_DMA_TIMING_SHIFT  7
+
+        #define ULTRA_DMA_TIMING_MASK           (0x7 << 10)
+        #define ULTRA_DMA_TIMING_SHIFT          10
+/* CF Transfer Address */
+#define XFER_ADDR               0x014
+        #define XFER_ADDR_MASK                  (0x7FF)
+        #define MAX_XFER_COUNT                  0x20000u
+/* Transfer Control */
+#define XFER_CTR                0x01C
+        #define XFER_COUNT_MASK                 (0x3FFFF)
+        #define ADDR_INC_DISABLE                (1 << 24)
+        #define XFER_WIDTH_MASK                 (1 << 25)
+        #define XFER_WIDTH_8B                   (0)
+        #define XFER_WIDTH_16B                  (1 << 25)
+
+        #define MEM_TYPE_MASK                   (1 << 26)
+        #define MEM_TYPE_COMMON                 (0)
+        #define MEM_TYPE_ATTRIBUTE              (1 << 26)
+
+        #define MEM_IO_XFER_MASK                (1 << 27)
+        #define MEM_XFER                        (0)
+        #define IO_XFER                         (1 << 27)
+
+        #define DMA_XFER_MODE                   (1 << 28)
+
+        #define AHB_BUS_NORMAL_PIO_OPRTN        (~(1 << 29))
+        #define XFER_DIR_MASK                   (1 << 30)
+        #define XFER_READ                       (0)
+        #define XFER_WRITE                      (1 << 30)
+
+        #define XFER_START                      (1 << 31)
+/* Write Data Port */
+#define WRITE_PORT              0x024
+/* Read Data Port */
+#define READ_PORT               0x028
+/* ATA Data Port */
+#define ATA_DATA_PORT           0x030
+        #define ATA_DATA_PORT_MASK              (0xFFFF)
+/* ATA Error/Features */
+#define ATA_ERR_FTR             0x034
+/* ATA Sector Count */
+#define ATA_SC                  0x038
+/* ATA Sector Number */
+#define ATA_SN                  0x03C
+/* ATA Cylinder Low */
+#define ATA_CL                  0x040
+/* ATA Cylinder High */
+#define ATA_CH                  0x044
+/* ATA Select Card/Head */
+#define ATA_SH                  0x048
+/* ATA Status-Command */
+#define ATA_STS_CMD             0x04C
+/* ATA Alternate Status/Device Control */
+#define ATA_ASTS_DCTR           0x050
+/* Extended Write Data Port 0x200-0x3FC */
+#define EXT_WRITE_PORT          0x200
+/* Extended Read Data Port 0x400-0x5FC */
+#define EXT_READ_PORT           0x400
+        #define FIFO_SIZE       0x200u
+/* Global Interrupt Status */
+#define GIRQ_STS                0x800
+/* Global Interrupt Status enable */
+#define GIRQ_STS_EN             0x804
+/* Global Interrupt Signal enable */
+#define GIRQ_SGN_EN             0x808
+        #define GIRQ_CF         (1)
+        #define GIRQ_XD         (1 << 1)
+
+/* Compact Flash Controller Dev Structure */
+struct arasan_cf_dev {
+        /* pointer to ata_host structure */
+        struct ata_host *host;
+        /* clk structure, only if HAVE_CLK is defined */
+#ifdef CONFIG_HAVE_CLK
+        struct clk *clk;
+#endif
+
+        /* physical base address of controller */
+        dma_addr_t pbase;
+        /* virtual base address of controller */
+        void __iomem *vbase;
+        /* irq number*/
+        int irq;
+
+        /* status to be updated to framework regarding DMA transfer */
+        u8 dma_status;
+        /* Card is present or Not */
+        u8 card_present;
+
+        /* dma specific */
+        /* Completion for transfer complete interrupt from controller */
+        struct completion cf_completion;
+        /* Completion for DMA transfer complete. */
+        struct completion dma_completion;
+        /* Dma channel allocated */
+        struct dma_chan *dma_chan;
+        /* Mask for DMA transfers */
+        dma_cap_mask_t mask;
+        /* dma channel private data */
+        void *dma_priv;
+        /* DMA transfer work */
+        struct work_struct work;
+        /* DMA delayed finish work */
+        struct delayed_work dwork;
+        /* qc to be transferred using DMA */
+        struct ata_queued_cmd *qc;
+};
+
+static struct scsi_host_template arasan_cf_sht = {
+        ATA_BASE_SHT(DRIVER_NAME),
+        .sg_tablesize = SG_NONE,
+        .dma_boundary = 0xFFFFFFFFUL,
+};
+
+static void cf_dumpregs(struct arasan_cf_dev *acdev)
+{
+        struct device *dev = acdev->host->dev;
+
+        dev_dbg(dev, ": =========== REGISTER DUMP ===========");
+        dev_dbg(dev, ": CFI_STS: %x", readl(acdev->vbase + CFI_STS));
+        dev_dbg(dev, ": IRQ_STS: %x", readl(acdev->vbase + IRQ_STS));
+        dev_dbg(dev, ": IRQ_EN: %x", readl(acdev->vbase + IRQ_EN));
+        dev_dbg(dev, ": OP_MODE: %x", readl(acdev->vbase + OP_MODE));
+        dev_dbg(dev, ": CLK_CFG: %x", readl(acdev->vbase + CLK_CFG));
+        dev_dbg(dev, ": TM_CFG: %x", readl(acdev->vbase + TM_CFG));
+        dev_dbg(dev, ": XFER_CTR: %x", readl(acdev->vbase + XFER_CTR));
+        dev_dbg(dev, ": GIRQ_STS: %x", readl(acdev->vbase + GIRQ_STS));
+        dev_dbg(dev, ": GIRQ_STS_EN: %x", readl(acdev->vbase + GIRQ_STS_EN));
+        dev_dbg(dev, ": GIRQ_SGN_EN: %x", readl(acdev->vbase + GIRQ_SGN_EN));
+        dev_dbg(dev, ": =====================================");
+}
+
+/* Enable/Disable global interrupts shared between CF and XD ctrlr. */
+static void cf_ginterrupt_enable(struct arasan_cf_dev *acdev, bool enable)
+{
+        /* enable should be 0 or 1 */
+        writel(enable, acdev->vbase + GIRQ_STS_EN);
+        writel(enable, acdev->vbase + GIRQ_SGN_EN);
+}
+
+/* Enable/Disable CF interrupts */
+static inline void
+cf_interrupt_enable(struct arasan_cf_dev *acdev, u32 mask, bool enable)
+{
+        u32 val = readl(acdev->vbase + IRQ_EN);
+        /* clear & enable/disable irqs */
+        if (enable) {
+                writel(mask, acdev->vbase + IRQ_STS);
+                writel(val | mask, acdev->vbase + IRQ_EN);
+        } else
+                writel(val & ~mask, acdev->vbase + IRQ_EN);
+}
+
+static inline void cf_card_reset(struct arasan_cf_dev *acdev)
+{
+        u32 val = readl(acdev->vbase + OP_MODE);
+
+        writel(val | CARD_RESET, acdev->vbase + OP_MODE);
+        udelay(200);
+        writel(val & ~CARD_RESET, acdev->vbase + OP_MODE);
+}
+
+static inline void cf_ctrl_reset(struct arasan_cf_dev *acdev)
+{
+        writel(readl(acdev->vbase + OP_MODE) & ~CFHOST_ENB,
+                        acdev->vbase + OP_MODE);
+        writel(readl(acdev->vbase + OP_MODE) | CFHOST_ENB,
+                        acdev->vbase + OP_MODE);
+}
+
+static void cf_card_detect(struct arasan_cf_dev *acdev, bool hotplugged)
+{
+        struct ata_port *ap = acdev->host->ports[0];
+        struct ata_eh_info *ehi = &ap->link.eh_info;
+        u32 val = readl(acdev->vbase + CFI_STS);
+
+        /* Both CD1 & CD2 should be low if card inserted completely */
+        if (!(val & (CARD_DETECT1 | CARD_DETECT2))) {
+                if (acdev->card_present)
+                        return;
+                acdev->card_present = 1;
+                cf_card_reset(acdev);
+        } else {
+                if (!acdev->card_present)
+                        return;
+                acdev->card_present = 0;
+        }
+
+        if (hotplugged) {
+                ata_ehi_hotplugged(ehi);
+                ata_port_freeze(ap);
+        }
+}
+
+static int cf_init(struct arasan_cf_dev *acdev)
+{
+        struct arasan_cf_pdata *pdata = dev_get_platdata(acdev->host->dev);
+        unsigned long flags;
+        int ret = 0;
+
+#ifdef CONFIG_HAVE_CLK
+        ret = clk_enable(acdev->clk);
+        if (ret) {
+                dev_dbg(acdev->host->dev, "clock enable failed");
+                return ret;
+        }
+#endif
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        /* configure CF interface clock */
+        writel((pdata->cf_if_clk <= CF_IF_CLK_200M) ? pdata->cf_if_clk :
+                        CF_IF_CLK_166M, acdev->vbase + CLK_CFG);
+
+        writel(TRUE_IDE_MODE | CFHOST_ENB, acdev->vbase + OP_MODE);
+        cf_interrupt_enable(acdev, CARD_DETECT_IRQ, 1);
+        cf_ginterrupt_enable(acdev, 1);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+
+        return ret;
+}
+
+static void cf_exit(struct arasan_cf_dev *acdev)
+{
+        unsigned long flags;
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        cf_ginterrupt_enable(acdev, 0);
+        cf_interrupt_enable(acdev, TRUE_IDE_IRQS, 0);
+        cf_card_reset(acdev);
+        writel(readl(acdev->vbase + OP_MODE) & ~CFHOST_ENB,
+                        acdev->vbase + OP_MODE);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+#ifdef CONFIG_HAVE_CLK
+        clk_disable(acdev->clk);
+#endif
+}
+
+static void dma_callback(void *dev)
+{
+        struct arasan_cf_dev *acdev = (struct arasan_cf_dev *) dev;
+
+        complete(&acdev->dma_completion);
+}
+
+static bool filter(struct dma_chan *chan, void *slave)
+{
+        chan->private = slave;
+        return true;
+}
+
+static inline void dma_complete(struct arasan_cf_dev *acdev)
+{
+        struct ata_queued_cmd *qc = acdev->qc;
+        unsigned long flags;
+
+        acdev->qc = NULL;
+        ata_sff_interrupt(acdev->irq, acdev->host);
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        if (unlikely(qc->err_mask) && ata_is_dma(qc->tf.protocol))
+                ata_ehi_push_desc(&qc->ap->link.eh_info, "DMA Failed: Timeout");
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+}
+
+static inline int wait4buf(struct arasan_cf_dev *acdev)
+{
+        if (!wait_for_completion_timeout(&acdev->cf_completion, TIMEOUT)) {
+                u32 rw = acdev->qc->tf.flags & ATA_TFLAG_WRITE;
+
+                dev_err(acdev->host->dev, "%s TimeOut", rw ? "write" : "read");
+                return -ETIMEDOUT;
+        }
+
+        /* Check if PIO Error interrupt has occured */
+        if (acdev->dma_status & ATA_DMA_ERR)
+                return -EAGAIN;
+
+        return 0;
+}
+
+static int
+dma_xfer(struct arasan_cf_dev *acdev, dma_addr_t src, dma_addr_t dest, u32 len)
+{
+        struct dma_async_tx_descriptor *tx;
+        struct dma_chan *chan = acdev->dma_chan;
+        dma_cookie_t cookie;
+        unsigned long flags = DMA_PREP_INTERRUPT | DMA_COMPL_SKIP_SRC_UNMAP |
+                DMA_COMPL_SKIP_DEST_UNMAP;
+        int ret = 0;
+
+        tx = chan->device->device_prep_dma_memcpy(chan, dest, src, len, flags);
+        if (!tx) {
+                dev_err(acdev->host->dev, "device_prep_dma_memcpy failed\n");
+                return -EAGAIN;
+        }
+
+        tx->callback = dma_callback;
+        tx->callback_param = acdev;
+        cookie = tx->tx_submit(tx);
+
+        ret = dma_submit_error(cookie);
+        if (ret) {
+                dev_err(acdev->host->dev, "dma_submit_error\n");
+                return ret;
+        }
+
+        chan->device->device_issue_pending(chan);
+
+        /* Wait for DMA to complete */
+        if (!wait_for_completion_timeout(&acdev->dma_completion, TIMEOUT)) {
+                chan->device->device_control(chan, DMA_TERMINATE_ALL, 0);
+                dev_err(acdev->host->dev, "wait_for_completion_timeout\n");
+                return -ETIMEDOUT;
+        }
+
+        return ret;
+}
+
+static int sg_xfer(struct arasan_cf_dev *acdev, struct scatterlist *sg)
+{
+        dma_addr_t dest = 0, src = 0;
+        u32 xfer_cnt, sglen, dma_len, xfer_ctr;
+        u32 write = acdev->qc->tf.flags & ATA_TFLAG_WRITE;
+        unsigned long flags;
+        int ret = 0;
+
+        sglen = sg_dma_len(sg);
+        if (write) {
+                src = sg_dma_address(sg);
+                dest = acdev->pbase + EXT_WRITE_PORT;
+        } else {
+                dest = sg_dma_address(sg);
+                src = acdev->pbase + EXT_READ_PORT;
+        }
+
+        /*
+         * For each sg:
+         * MAX_XFER_COUNT data will be transferred before we get transfer
+         * complete interrupt. Inbetween after FIFO_SIZE data
+         * buffer available interrupt will be generated. At this time we will
+         * fill FIFO again: max FIFO_SIZE data.
+         */
+        while (sglen) {
+                xfer_cnt = min(sglen, MAX_XFER_COUNT);
+                spin_lock_irqsave(&acdev->host->lock, flags);
+                xfer_ctr = readl(acdev->vbase + XFER_CTR) &
+                        ~XFER_COUNT_MASK;
+                writel(xfer_ctr | xfer_cnt | XFER_START,
+                                acdev->vbase + XFER_CTR);
+                spin_unlock_irqrestore(&acdev->host->lock, flags);
+
+                /* continue dma xfers untill current sg is completed */
+                while (xfer_cnt) {
+                        /* wait for read to complete */
+                        if (!write) {
+                                ret = wait4buf(acdev);
+                                if (ret)
+                                        goto fail;
+                        }
+
+                        /* read/write FIFO in chunk of FIFO_SIZE */
+                        dma_len = min(xfer_cnt, FIFO_SIZE);
+                        ret = dma_xfer(acdev, src, dest, dma_len);
+                        if (ret) {
+                                dev_err(acdev->host->dev, "dma failed");
+                                goto fail;
+                        }
+
+                        if (write)
+                                src += dma_len;
+                        else
+                                dest += dma_len;
+
+                        sglen -= dma_len;
+                        xfer_cnt -= dma_len;
+
+                        /* wait for write to complete */
+                        if (write) {
+                                ret = wait4buf(acdev);
+                                if (ret)
+                                        goto fail;
+                        }
+                }
+        }
+
+fail:
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        writel(readl(acdev->vbase + XFER_CTR) & ~XFER_START,
+                        acdev->vbase + XFER_CTR);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+
+        return ret;
+}
+
+/*
+ * This routine uses External DMA controller to read/write data to FIFO of CF
+ * controller. There are two xfer related interrupt supported by CF controller:
+ * - buf_avail: This interrupt is generated as soon as we have buffer of 512
+ *      bytes available for reading or empty buffer available for writing.
+ * - xfer_done: This interrupt is generated on transfer of "xfer_size" amount of
+ *      data to/from FIFO. xfer_size is programmed in XFER_CTR register.
+ *
+ * Max buffer size = FIFO_SIZE = 512 Bytes.
+ * Max xfer_size = MAX_XFER_COUNT = 256 KB.
+ */
+static void data_xfer(struct work_struct *work)
+{
+        struct arasan_cf_dev *acdev = container_of(work, struct arasan_cf_dev,
+                        work);
+        struct ata_queued_cmd *qc = acdev->qc;
+        struct scatterlist *sg;
+        unsigned long flags;
+        u32 temp;
+        int ret = 0;
+
+        /* request dma channels */
+        /* dma_request_channel may sleep, so calling from process context */
+        acdev->dma_chan = dma_request_channel(acdev->mask, filter,
+                        acdev->dma_priv);
+        if (!acdev->dma_chan) {
+                dev_err(acdev->host->dev, "Unable to get dma_chan\n");
+                goto chan_request_fail;
+        }
+
+        for_each_sg(qc->sg, sg, qc->n_elem, temp) {
+                ret = sg_xfer(acdev, sg);
+                if (ret)
+                        break;
+        }
+
+        dma_release_channel(acdev->dma_chan);
+
+        /* data xferred successfully */
+        if (!ret) {
+                u32 status;
+
+                spin_lock_irqsave(&acdev->host->lock, flags);
+                status = ioread8(qc->ap->ioaddr.altstatus_addr);
+                spin_unlock_irqrestore(&acdev->host->lock, flags);
+                if (status & (ATA_BUSY | ATA_DRQ)) {
+                        ata_sff_queue_delayed_work(&acdev->dwork, 1);
+                        return;
+                }
+
+                goto sff_intr;
+        }
+
+        cf_dumpregs(acdev);
+
+chan_request_fail:
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        /* error when transfering data to/from memory */
+        qc->err_mask |= AC_ERR_HOST_BUS;
+        qc->ap->hsm_task_state = HSM_ST_ERR;
+
+        cf_ctrl_reset(acdev);
+        spin_unlock_irqrestore(qc->ap->lock, flags);
+sff_intr:
+        dma_complete(acdev);
+}
+
+static void delayed_finish(struct work_struct *work)
+{
+        struct arasan_cf_dev *acdev = container_of(work, struct arasan_cf_dev,
+                        dwork.work);
+        struct ata_queued_cmd *qc = acdev->qc;
+        unsigned long flags;
+        u8 status;
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        status = ioread8(qc->ap->ioaddr.altstatus_addr);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+
+        if (status & (ATA_BUSY | ATA_DRQ))
+                ata_sff_queue_delayed_work(&acdev->dwork, 1);
+        else
+                dma_complete(acdev);
+}
+
+static irqreturn_t arasan_cf_interrupt(int irq, void *dev)
+{
+        struct arasan_cf_dev *acdev = ((struct ata_host *)dev)->private_data;
+        unsigned long flags;
+        u32 irqsts;
+
+        irqsts = readl(acdev->vbase + GIRQ_STS);
+        if (!(irqsts & GIRQ_CF))
+                return IRQ_NONE;
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        irqsts = readl(acdev->vbase + IRQ_STS);
+        writel(irqsts, acdev->vbase + IRQ_STS);         /* clear irqs */
+        writel(GIRQ_CF, acdev->vbase + GIRQ_STS);       /* clear girqs */
+
+        /* handle only relevant interrupts */
+        irqsts &= ~IGNORED_IRQS;
+
+        if (irqsts & CARD_DETECT_IRQ) {
+                cf_card_detect(acdev, 1);
+                spin_unlock_irqrestore(&acdev->host->lock, flags);
+                return IRQ_HANDLED;
+        }
+
+        if (irqsts & PIO_XFER_ERR_IRQ) {
+                acdev->dma_status = ATA_DMA_ERR;
+                writel(readl(acdev->vbase + XFER_CTR) & ~XFER_START,
+                                acdev->vbase + XFER_CTR);
+                spin_unlock_irqrestore(&acdev->host->lock, flags);
+                complete(&acdev->cf_completion);
+                dev_err(acdev->host->dev, "pio xfer err irq\n");
+                return IRQ_HANDLED;
+        }
+
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+
+        if (irqsts & BUF_AVAIL_IRQ) {
+                complete(&acdev->cf_completion);
+                return IRQ_HANDLED;
+        }
+
+        if (irqsts & XFER_DONE_IRQ) {
+                struct ata_queued_cmd *qc = acdev->qc;
+
+                /* Send Complete only for write */
+                if (qc->tf.flags & ATA_TFLAG_WRITE)
+                        complete(&acdev->cf_completion);
+        }
+
+        return IRQ_HANDLED;
+}
+
+static void arasan_cf_freeze(struct ata_port *ap)
+{
+        struct arasan_cf_dev *acdev = ap->host->private_data;
+
+        /* stop transfer and reset controller */
+        writel(readl(acdev->vbase + XFER_CTR) & ~XFER_START,
+                        acdev->vbase + XFER_CTR);
+        cf_ctrl_reset(acdev);
+        acdev->dma_status = ATA_DMA_ERR;
+
+        ata_sff_dma_pause(ap);
+        ata_sff_freeze(ap);
+}
+
+void arasan_cf_error_handler(struct ata_port *ap)
+{
+        struct arasan_cf_dev *acdev = ap->host->private_data;
+
+        /*
+         * DMA transfers using an external DMA controller may be scheduled.
+         * Abort them before handling error. Refer data_xfer() for further
+         * details.
+         */
+        cancel_work_sync(&acdev->work);
+        cancel_delayed_work_sync(&acdev->dwork);
+        return ata_sff_error_handler(ap);
+}
+
+static void arasan_cf_dma_start(struct arasan_cf_dev *acdev)
+{
+        u32 xfer_ctr = readl(acdev->vbase + XFER_CTR) & ~XFER_DIR_MASK;
+        u32 write = acdev->qc->tf.flags & ATA_TFLAG_WRITE;
+
+        xfer_ctr |= write ? XFER_WRITE : XFER_READ;
+        writel(xfer_ctr, acdev->vbase + XFER_CTR);
+
+        acdev->qc->ap->ops->sff_exec_command(acdev->qc->ap, &acdev->qc->tf);
+        ata_sff_queue_work(&acdev->work);
+}
+
+unsigned int arasan_cf_qc_issue(struct ata_queued_cmd *qc)
+{
+        struct ata_port *ap = qc->ap;
+        struct arasan_cf_dev *acdev = ap->host->private_data;
+
+        /* defer PIO handling to sff_qc_issue */
+        if (!ata_is_dma(qc->tf.protocol))
+                return ata_sff_qc_issue(qc);
+
+        /* select the device */
+        ata_wait_idle(ap);
+        ata_sff_dev_select(ap, qc->dev->devno);
+        ata_wait_idle(ap);
+
+        /* start the command */
+        switch (qc->tf.protocol) {
+        case ATA_PROT_DMA:
+                WARN_ON_ONCE(qc->tf.flags & ATA_TFLAG_POLLING);
+
+                ap->ops->sff_tf_load(ap, &qc->tf);
+                acdev->dma_status = 0;
+                acdev->qc = qc;
+                arasan_cf_dma_start(acdev);
+                ap->hsm_task_state = HSM_ST_LAST;
+                break;
+
+        default:
+                WARN_ON(1);
+                return AC_ERR_SYSTEM;
+        }
+
+        return 0;
+}
+
+static void arasan_cf_set_piomode(struct ata_port *ap, struct ata_device *adev)
+{
+        struct arasan_cf_dev *acdev = ap->host->private_data;
+        u8 pio = adev->pio_mode - XFER_PIO_0;
+        unsigned long flags;
+        u32 val;
+
+        /* Arasan ctrl supports Mode0 -> Mode6 */
+        if (pio > 6) {
+                dev_err(ap->dev, "Unknown PIO mode\n");
+                return;
+        }
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        val = readl(acdev->vbase + OP_MODE) &
+                ~(ULTRA_DMA_ENB | MULTI_WORD_DMA_ENB | DRQ_BLOCK_SIZE_MASK);
+        writel(val, acdev->vbase + OP_MODE);
+        val = readl(acdev->vbase + TM_CFG) & ~TRUEIDE_PIO_TIMING_MASK;
+        val |= pio << TRUEIDE_PIO_TIMING_SHIFT;
+        writel(val, acdev->vbase + TM_CFG);
+
+        cf_interrupt_enable(acdev, BUF_AVAIL_IRQ | XFER_DONE_IRQ, 0);
+        cf_interrupt_enable(acdev, PIO_XFER_ERR_IRQ, 1);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+}
+
+static void arasan_cf_set_dmamode(struct ata_port *ap, struct ata_device *adev)
+{
+        struct arasan_cf_dev *acdev = ap->host->private_data;
+        u32 opmode, tmcfg, dma_mode = adev->dma_mode;
+        unsigned long flags;
+
+        spin_lock_irqsave(&acdev->host->lock, flags);
+        opmode = readl(acdev->vbase + OP_MODE) &
+                ~(MULTI_WORD_DMA_ENB | ULTRA_DMA_ENB);
+        tmcfg = readl(acdev->vbase + TM_CFG);
+
+        if ((dma_mode >= XFER_UDMA_0) && (dma_mode <= XFER_UDMA_6)) {
+                opmode |= ULTRA_DMA_ENB;
+                tmcfg &= ~ULTRA_DMA_TIMING_MASK;
+                tmcfg |= (dma_mode - XFER_UDMA_0) << ULTRA_DMA_TIMING_SHIFT;
+        } else if ((dma_mode >= XFER_MW_DMA_0) && (dma_mode <= XFER_MW_DMA_4)) {
+                opmode |= MULTI_WORD_DMA_ENB;
+                tmcfg &= ~TRUEIDE_MWORD_DMA_TIMING_MASK;
+                tmcfg |= (dma_mode - XFER_MW_DMA_0) <<
+                        TRUEIDE_MWORD_DMA_TIMING_SHIFT;
+        } else {
+                dev_err(ap->dev, "Unknown DMA mode\n");
+                spin_unlock_irqrestore(&acdev->host->lock, flags);
+                return;
+        }
+
+        writel(opmode, acdev->vbase + OP_MODE);
+        writel(tmcfg, acdev->vbase + TM_CFG);
+        writel(DMA_XFER_MODE, acdev->vbase + XFER_CTR);
+
+        cf_interrupt_enable(acdev, PIO_XFER_ERR_IRQ, 0);
+        cf_interrupt_enable(acdev, BUF_AVAIL_IRQ | XFER_DONE_IRQ, 1);
+        spin_unlock_irqrestore(&acdev->host->lock, flags);
+}
+
+static struct ata_port_operations arasan_cf_ops = {
+        .inherits = &ata_sff_port_ops,
+        .freeze = arasan_cf_freeze,
+        .error_handler = arasan_cf_error_handler,
+        .qc_issue = arasan_cf_qc_issue,
+        .set_piomode = arasan_cf_set_piomode,
+        .set_dmamode = arasan_cf_set_dmamode,
+};
+
+static int __devinit arasan_cf_probe(struct platform_device *pdev)
+{
+        struct arasan_cf_dev *acdev;
+        struct arasan_cf_pdata *pdata = dev_get_platdata(&pdev->dev);
+        struct ata_host *host;
+        struct ata_port *ap;
+        struct resource *res;
+        irq_handler_t irq_handler = NULL;
+        int ret = 0;
+
+        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+        if (!res)
+                return -EINVAL;
+
+        if (!devm_request_mem_region(&pdev->dev, res->start, resource_size(res),
+                                DRIVER_NAME)) {
+                dev_warn(&pdev->dev, "Failed to get memory region resource\n");
+                return -ENOENT;
+        }
+
+        acdev = devm_kzalloc(&pdev->dev, sizeof(*acdev), GFP_KERNEL);
+        if (!acdev) {
+                dev_warn(&pdev->dev, "kzalloc fail\n");
+                return -ENOMEM;
+        }
+
+        /* if irq is 0, support only PIO */
+        acdev->irq = platform_get_irq(pdev, 0);
+        if (acdev->irq)
+                irq_handler = arasan_cf_interrupt;
+        else
+                pdata->quirk |= CF_BROKEN_MWDMA | CF_BROKEN_UDMA;
+
+        acdev->pbase = res->start;
+        acdev->vbase = devm_ioremap_nocache(&pdev->dev, res->start,
+                        resource_size(res));
+        if (!acdev->vbase) {
+                dev_warn(&pdev->dev, "ioremap fail\n");
+                return -ENOMEM;
+        }
+
+#ifdef CONFIG_HAVE_CLK
+        acdev->clk = clk_get(&pdev->dev, NULL);
+        if (IS_ERR(acdev->clk)) {
+                dev_warn(&pdev->dev, "Clock not found\n");
+                return PTR_ERR(acdev->clk);
+        }
+#endif
+
+        /* allocate host */
+        host = ata_host_alloc(&pdev->dev, 1);
+        if (!host) {
+                ret = -ENOMEM;
+                dev_warn(&pdev->dev, "alloc host fail\n");
+                goto free_clk;
+        }
+
+        ap = host->ports[0];
+        host->private_data = acdev;
+        acdev->host = host;
+        ap->ops = &arasan_cf_ops;
+        ap->pio_mask = ATA_PIO6;
+        ap->mwdma_mask = ATA_MWDMA4;
+        ap->udma_mask = ATA_UDMA6;
+
+        init_completion(&acdev->cf_completion);
+        init_completion(&acdev->dma_completion);
+        INIT_WORK(&acdev->work, data_xfer);
+        INIT_DELAYED_WORK(&acdev->dwork, delayed_finish);
+        dma_cap_set(DMA_MEMCPY, acdev->mask);
+        acdev->dma_priv = pdata->dma_priv;
+
+        /* Handle platform specific quirks */
+        if (pdata->quirk) {
+                if (pdata->quirk & CF_BROKEN_PIO) {
+                        ap->ops->set_piomode = NULL;
+                        ap->pio_mask = 0;
+                }
+                if (pdata->quirk & CF_BROKEN_MWDMA)
+                        ap->mwdma_mask = 0;
+                if (pdata->quirk & CF_BROKEN_UDMA)
+                        ap->udma_mask = 0;
+        }
+        ap->flags |= ATA_FLAG_PIO_POLLING | ATA_FLAG_NO_ATAPI;
+
+        ap->ioaddr.cmd_addr = acdev->vbase + ATA_DATA_PORT;
+        ap->ioaddr.data_addr = acdev->vbase + ATA_DATA_PORT;
+        ap->ioaddr.error_addr = acdev->vbase + ATA_ERR_FTR;
+        ap->ioaddr.feature_addr = acdev->vbase + ATA_ERR_FTR;
+        ap->ioaddr.nsect_addr = acdev->vbase + ATA_SC;
+        ap->ioaddr.lbal_addr = acdev->vbase + ATA_SN;
+        ap->ioaddr.lbam_addr = acdev->vbase + ATA_CL;
+        ap->ioaddr.lbah_addr = acdev->vbase + ATA_CH;
+        ap->ioaddr.device_addr = acdev->vbase + ATA_SH;
+        ap->ioaddr.status_addr = acdev->vbase + ATA_STS_CMD;
+        ap->ioaddr.command_addr = acdev->vbase + ATA_STS_CMD;
+        ap->ioaddr.altstatus_addr = acdev->vbase + ATA_ASTS_DCTR;
+        ap->ioaddr.ctl_addr = acdev->vbase + ATA_ASTS_DCTR;
+
+        ata_port_desc(ap, "phy_addr %llx virt_addr %p",
+                      (unsigned long long) res->start, acdev->vbase);
+
+        ret = cf_init(acdev);
+        if (ret)
+                goto free_clk;
+
+        cf_card_detect(acdev, 0);
+
+        return ata_host_activate(host, acdev->irq, irq_handler, 0,
+                        &arasan_cf_sht);
+
+free_clk:
+#ifdef CONFIG_HAVE_CLK
+        clk_put(acdev->clk);
+#endif
+        return ret;
+}
+
+static int __devexit arasan_cf_remove(struct platform_device *pdev)
+{
+        struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        struct arasan_cf_dev *acdev = host->ports[0]->private_data;
+
+        ata_host_detach(host);
+        cf_exit(acdev);
+#ifdef CONFIG_HAVE_CLK
+        clk_put(acdev->clk);
+#endif
+
+        return 0;
+}
+
+#ifdef CONFIG_PM
+static int arasan_cf_suspend(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        struct arasan_cf_dev *acdev = host->ports[0]->private_data;
+
+        if (acdev->dma_chan) {
+                acdev->dma_chan->device->device_control(acdev->dma_chan,
+                                DMA_TERMINATE_ALL, 0);
+                dma_release_channel(acdev->dma_chan);
+        }
+        cf_exit(acdev);
+        return ata_host_suspend(host, PMSG_SUSPEND);
+}
+
+static int arasan_cf_resume(struct device *dev)
+{
+        struct platform_device *pdev = to_platform_device(dev);
+        struct ata_host *host = dev_get_drvdata(&pdev->dev);
+        struct arasan_cf_dev *acdev = host->ports[0]->private_data;
+
+        cf_init(acdev);
+        ata_host_resume(host);
+
+        return 0;
+}
+
+static const struct dev_pm_ops arasan_cf_pm_ops = {
+        .suspend        = arasan_cf_suspend,
+        .resume         = arasan_cf_resume,
+};
+#endif
+
+static struct platform_driver arasan_cf_driver = {
+        .probe          = arasan_cf_probe,
+        .remove         = __devexit_p(arasan_cf_remove),
+        .driver         = {
+                .name   = DRIVER_NAME,
+                .owner  = THIS_MODULE,
+#ifdef CONFIG_PM
+                .pm             = &arasan_cf_pm_ops,
+#endif
+        },
+};
+
+static int __init arasan_cf_init(void)
+{
+        return platform_driver_register(&arasan_cf_driver);
+}
+module_init(arasan_cf_init);
+
+static void __exit arasan_cf_exit(void)
+{
+        platform_driver_unregister(&arasan_cf_driver);
+}
+module_exit(arasan_cf_exit);
+
+MODULE_AUTHOR("Viresh Kumar <viresh.kumar@st.com>");
+MODULE_DESCRIPTION("Arasan ATA Compact Flash driver");
+MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:" DRIVER_NAME);
diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c
index 66ce6a526f2..36f189c7ee8 100644
--- a/drivers/ata/pata_at32.c
+++ b/drivers/ata/pata_at32.c
@@ -194,7 +194,7 @@ static int __init pata_at32_init_one(struct device *dev,
         /* Setup ATA bindings */
         ap->ops      = &at32_port_ops;
         ap->pio_mask = PIO_MASK;
-        ap->flags   |= ATA_FLAG_MMIO | ATA_FLAG_SLAVE_POSS;
+        ap->flags   |= ATA_FLAG_SLAVE_POSS;
 
         /*
          * Since all 8-bit taskfile transfers has to go on the lower
diff --git a/drivers/ata/pata_bf54x.c b/drivers/ata/pata_bf54x.c
index 7aed5c79259..e0b58b8dfe6 100644
--- a/drivers/ata/pata_bf54x.c
+++ b/drivers/ata/pata_bf54x.c
@@ -1454,9 +1454,7 @@ static struct ata_port_operations bfin_pata_ops = {
 
 static struct ata_port_info bfin_port_info[] = {
         {
-                .flags          = ATA_FLAG_SLAVE_POSS
-                                | ATA_FLAG_MMIO
-                                | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SLAVE_POSS,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = 0,
                 .udma_mask      = 0,
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c
index 538ec38ba99..6c77d68dbd0 100644
--- a/drivers/ata/pata_hpt366.c
+++ b/drivers/ata/pata_hpt366.c
@@ -14,6 +14,7 @@
  *      Look into engine reset on timeout errors. Should not be required.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -25,7 +26,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt366"
-#define DRV_VERSION     "0.6.10"
+#define DRV_VERSION     "0.6.11"
 
 struct hpt_clock {
         u8      xfer_mode;
@@ -160,8 +161,8 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr,
 
         while (list[i] != NULL) {
                 if (!strcmp(list[i], model_num)) {
-                        pr_warning(DRV_NAME ": %s is not supported for %s.\n",
-                                   modestr, list[i]);
+                        pr_warn("%s is not supported for %s\n",
+                                modestr, list[i]);
                         return 1;
                 }
                 i++;
diff --git a/drivers/ata/pata_hpt37x.c b/drivers/ata/pata_hpt37x.c
index 4c5b5183225..9620636aa40 100644
--- a/drivers/ata/pata_hpt37x.c
+++ b/drivers/ata/pata_hpt37x.c
@@ -14,6 +14,8 @@
  *      Look into engine reset on timeout errors. Should not be required.
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -24,7 +26,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt37x"
-#define DRV_VERSION     "0.6.22"
+#define DRV_VERSION     "0.6.23"
 
 struct hpt_clock {
         u8      xfer_speed;
@@ -229,8 +231,8 @@ static int hpt_dma_blacklisted(const struct ata_device *dev, char *modestr,
 
         while (list[i] != NULL) {
                 if (!strcmp(list[i], model_num)) {
-                        pr_warning(DRV_NAME ": %s is not supported for %s.\n",
-                                   modestr, list[i]);
+                        pr_warn("%s is not supported for %s\n",
+                                modestr, list[i]);
                         return 1;
                 }
                 i++;
@@ -863,8 +865,8 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                         chip_table = &hpt372;
                         break;
                 default:
-                        pr_err(DRV_NAME ": Unknown HPT366 subtype, "
-                               "please report (%d).\n", rev);
+                        pr_err("Unknown HPT366 subtype, please report (%d)\n",
+                               rev);
                         return -ENODEV;
                 }
                 break;
@@ -904,8 +906,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                         *ppi = &info_hpt374_fn1;
                 break;
         default:
-                pr_err(DRV_NAME ": PCI table is bogus, please report (%d).\n",
-                       dev->device);
+                pr_err("PCI table is bogus, please report (%d)\n", dev->device);
                 return -ENODEV;
         }
         /* Ok so this is a chip we support */
@@ -953,7 +954,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 u8 sr;
                 u32 total = 0;
 
-                pr_warning(DRV_NAME ": BIOS has not set timing clocks.\n");
+                pr_warn("BIOS has not set timing clocks\n");
 
                 /* This is the process the HPT371 BIOS is reported to use */
                 for (i = 0; i < 128; i++) {
@@ -1009,7 +1010,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                                                (f_high << 16) | f_low | 0x100);
                 }
                 if (adjust == 8) {
-                        pr_err(DRV_NAME ": DPLL did not stabilize!\n");
+                        pr_err("DPLL did not stabilize!\n");
                         return -ENODEV;
                 }
                 if (dpll == 3)
@@ -1017,7 +1018,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 else
                         private_data = (void *)hpt37x_timings_50;
 
-                pr_info(DRV_NAME ": bus clock %dMHz, using %dMHz DPLL.\n",
+                pr_info("bus clock %dMHz, using %dMHz DPLL\n",
                         MHz[clock_slot], MHz[dpll]);
         } else {
                 private_data = (void *)chip_table->clocks[clock_slot];
@@ -1032,7 +1033,7 @@ static int hpt37x_init_one(struct pci_dev *dev, const struct pci_device_id *id)
                 if (clock_slot < 2 && ppi[0] == &info_hpt370a)
                         ppi[0] = &info_hpt370a_33;
 
-                pr_info(DRV_NAME ": %s using %dMHz bus clock.\n",
+                pr_info("%s using %dMHz bus clock\n",
                         chip_table->name, MHz[clock_slot]);
         }
 
diff --git a/drivers/ata/pata_hpt3x2n.c b/drivers/ata/pata_hpt3x2n.c
index eca68caf5f4..765f136d8cd 100644
--- a/drivers/ata/pata_hpt3x2n.c
+++ b/drivers/ata/pata_hpt3x2n.c
@@ -15,6 +15,8 @@
  *      Work out best PLL policy
  */
 
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -25,7 +27,7 @@
 #include <linux/libata.h>
 
 #define DRV_NAME        "pata_hpt3x2n"
-#define DRV_VERSION     "0.3.14"
+#define DRV_VERSION     "0.3.15"
 
 enum {
         HPT_PCI_FAST    =       (1 << 31),
@@ -418,7 +420,7 @@ static int hpt3x2n_pci_clock(struct pci_dev *pdev)
                 u16 sr;
                 u32 total = 0;
 
-                pr_warning(DRV_NAME ": BIOS clock data not set.\n");
+                pr_warn("BIOS clock data not set\n");
 
                 /* This is the process the HPT371 BIOS is reported to use */
                 for (i = 0; i < 128; i++) {
@@ -528,8 +530,7 @@ hpt372n:
                 ppi[0] = &info_hpt372n;
                 break;
         default:
-                pr_err(DRV_NAME ": PCI table is bogus, please report (%d).\n",
-                       dev->device);
+                pr_err("PCI table is bogus, please report (%d)\n", dev->device);
                 return -ENODEV;
         }
 
@@ -578,11 +579,11 @@ hpt372n:
                 pci_write_config_dword(dev, 0x5C, (f_high << 16) | f_low);
         }
         if (adjust == 8) {
-                pr_err(DRV_NAME ": DPLL did not stabilize!\n");
+                pr_err("DPLL did not stabilize!\n");
                 return -ENODEV;
         }
 
-        pr_info(DRV_NAME ": bus clock %dMHz, using 66MHz DPLL.\n", pci_mhz);
+        pr_info("bus clock %dMHz, using 66MHz DPLL\n", pci_mhz);
 
         /*
          * Set our private data up. We only need a few flags
diff --git a/drivers/ata/pata_hpt3x3.c b/drivers/ata/pata_hpt3x3.c
index b63d5e2d462..24d7df81546 100644
--- a/drivers/ata/pata_hpt3x3.c
+++ b/drivers/ata/pata_hpt3x3.c
@@ -151,7 +151,7 @@ static struct ata_port_operations hpt3x3_port_ops = {
         .check_atapi_dma= hpt3x3_atapi_dma,
         .freeze         = hpt3x3_freeze,
 #endif
-        
+
 };
 
 /**
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index aa0e0c51cc0..2d15f2548a1 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -616,7 +616,7 @@ static void it821x_display_disk(int n, u8 *buf)
         if (buf[52] > 4)        /* No Disk */
                 return;
 
-        ata_id_c_string((u16 *)buf, id, 0, 41); 
+        ata_id_c_string((u16 *)buf, id, 0, 41);
 
         if (buf[51]) {
                 mode = ffs(buf[51]);
@@ -910,7 +910,7 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
         rc = pcim_enable_device(pdev);
         if (rc)
                 return rc;
-                
+
         if (pdev->vendor == PCI_VENDOR_ID_RDC) {
                 /* Deal with Vortex86SX */
                 if (pdev->revision == 0x11)
diff --git a/drivers/ata/pata_ixp4xx_cf.c b/drivers/ata/pata_ixp4xx_cf.c
index ba54b089f98..5253b271b3f 100644
--- a/drivers/ata/pata_ixp4xx_cf.c
+++ b/drivers/ata/pata_ixp4xx_cf.c
@@ -177,7 +177,7 @@ static __devinit int ixp4xx_pata_probe(struct platform_device *pdev)
 
         ap->ops = &ixp4xx_port_ops;
         ap->pio_mask = ATA_PIO4;
-        ap->flags |= ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY | ATA_FLAG_NO_ATAPI;
+        ap->flags |= ATA_FLAG_NO_ATAPI;
 
         ixp4xx_setup_port(ap, data, cs0->start, cs1->start);
 
diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c
index 75b49d01780..46f589edccd 100644
--- a/drivers/ata/pata_macio.c
+++ b/drivers/ata/pata_macio.c
@@ -1053,8 +1053,7 @@ static int __devinit pata_macio_common_init(struct pata_macio_priv	*priv,
         /* Allocate libata host for 1 port */
         memset(&pinfo, 0, sizeof(struct ata_port_info));
         pmac_macio_calc_timing_masks(priv, &pinfo);
-        pinfo.flags             = ATA_FLAG_SLAVE_POSS | ATA_FLAG_MMIO |
-                                  ATA_FLAG_NO_LEGACY;
+        pinfo.flags             = ATA_FLAG_SLAVE_POSS;
         pinfo.port_ops          = &pata_macio_ops;
         pinfo.private_data      = priv;
 
diff --git a/drivers/ata/pata_marvell.c b/drivers/ata/pata_marvell.c
index dd38083dcbe..75a6a0c0094 100644
--- a/drivers/ata/pata_marvell.c
+++ b/drivers/ata/pata_marvell.c
@@ -38,7 +38,7 @@ static int marvell_pata_active(struct pci_dev *pdev)
 
         /* We don't yet know how to do this for other devices */
         if (pdev->device != 0x6145)
-                return 1;       
+                return 1;
 
         barp = pci_iomap(pdev, 5, 0x10);
         if (barp == NULL)
diff --git a/drivers/ata/pata_ninja32.c b/drivers/ata/pata_ninja32.c
index cc50bd09aa2..e277a142138 100644
--- a/drivers/ata/pata_ninja32.c
+++ b/drivers/ata/pata_ninja32.c
@@ -165,7 +165,7 @@ static int ninja32_reinit_one(struct pci_dev *pdev)
                 return rc;
         ninja32_program(host->iomap[0]);
         ata_host_resume(host);
-        return 0;                       
+        return 0;
 }
 #endif
 
diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c
index fa1b95a9a7f..220ddc90608 100644
--- a/drivers/ata/pata_octeon_cf.c
+++ b/drivers/ata/pata_octeon_cf.c
@@ -848,8 +848,7 @@ static int __devinit octeon_cf_probe(struct platform_device *pdev)
         cf_port->ap = ap;
         ap->ops = &octeon_cf_ops;
         ap->pio_mask = ATA_PIO6;
-        ap->flags |= ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY
-                  | ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING;
+        ap->flags |= ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING;
 
         base = cs0 + ocd->base_region_bias;
         if (!ocd->is16bit) {
diff --git a/drivers/ata/pata_palmld.c b/drivers/ata/pata_palmld.c
index 11fb4ccc74b..a2a73d95384 100644
--- a/drivers/ata/pata_palmld.c
+++ b/drivers/ata/pata_palmld.c
@@ -85,7 +85,7 @@ static __devinit int palmld_pata_probe(struct platform_device *pdev)
         ap = host->ports[0];
         ap->ops = &palmld_port_ops;
         ap->pio_mask = ATA_PIO4;
-        ap->flags |= ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY | ATA_FLAG_PIO_POLLING;
+        ap->flags |= ATA_FLAG_PIO_POLLING;
 
         /* memory mapping voodoo */
         ap->ioaddr.cmd_addr = mem + 0x10;
diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c
index 806292160b3..29af660d968 100644
--- a/drivers/ata/pata_pcmcia.c
+++ b/drivers/ata/pata_pcmcia.c
@@ -124,7 +124,7 @@ static unsigned int ata_data_xfer_8bit(struct ata_device *dev,
  *      reset will recover the device.
  *
  */
- 
+
 static void pcmcia_8bit_drain_fifo(struct ata_queued_cmd *qc)
 {
         int count;
diff --git a/drivers/ata/pata_pdc2027x.c b/drivers/ata/pata_pdc2027x.c
index b1835112252..9765ace1692 100644
--- a/drivers/ata/pata_pdc2027x.c
+++ b/drivers/ata/pata_pdc2027x.c
@@ -150,8 +150,7 @@ static struct ata_port_operations pdc2027x_pata133_ops = {
 static struct ata_port_info pdc2027x_port_info[] = {
         /* PDC_UDMA_100 */
         {
-                .flags          = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS |
-                                  ATA_FLAG_MMIO,
+                .flags          = ATA_FLAG_SLAVE_POSS,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA5,
@@ -159,8 +158,7 @@ static struct ata_port_info pdc2027x_port_info[] = {
         },
         /* PDC_UDMA_133 */
         {
-                .flags          = ATA_FLAG_NO_LEGACY | ATA_FLAG_SLAVE_POSS |
-                                  ATA_FLAG_MMIO,
+                .flags          = ATA_FLAG_SLAVE_POSS,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
index 1898c6ed4b4..b4ede40f8ae 100644
--- a/drivers/ata/pata_pxa.c
+++ b/drivers/ata/pata_pxa.c
@@ -292,7 +292,6 @@ static int __devinit pxa_ata_probe(struct platform_device *pdev)
         ap->ops         = &pxa_ata_port_ops;
         ap->pio_mask    = ATA_PIO4;
         ap->mwdma_mask  = ATA_MWDMA2;
-        ap->flags       = ATA_FLAG_MMIO;
 
         ap->ioaddr.cmd_addr     = devm_ioremap(&pdev->dev, cmd_res->start,
                                                 resource_size(cmd_res));
diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c
index 0ffd631000b..baeaf938d55 100644
--- a/drivers/ata/pata_rb532_cf.c
+++ b/drivers/ata/pata_rb532_cf.c
@@ -91,7 +91,6 @@ static void rb532_pata_setup_ports(struct ata_host *ah)
 
         ap->ops         = &rb532_pata_port_ops;
         ap->pio_mask    = ATA_PIO4;
-        ap->flags       = ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO;
 
         ap->ioaddr.cmd_addr     = info->iobase + RB500_CF_REG_BASE;
         ap->ioaddr.ctl_addr     = info->iobase + RB500_CF_REG_CTRL;
diff --git a/drivers/ata/pata_samsung_cf.c b/drivers/ata/pata_samsung_cf.c
index 8a51d673e5b..c446ae6055a 100644
--- a/drivers/ata/pata_samsung_cf.c
+++ b/drivers/ata/pata_samsung_cf.c
@@ -531,7 +531,6 @@ static int __init pata_s3c_probe(struct platform_device *pdev)
         }
 
         ap = host->ports[0];
-        ap->flags |= ATA_FLAG_MMIO;
         ap->pio_mask = ATA_PIO4;
 
         if (cpu_type == TYPE_S3C64XX) {
diff --git a/drivers/ata/pata_scc.c b/drivers/ata/pata_scc.c
index 093715c3273..88ea9b677b4 100644
--- a/drivers/ata/pata_scc.c
+++ b/drivers/ata/pata_scc.c
@@ -959,7 +959,7 @@ static struct ata_port_operations scc_pata_ops = {
 
 static struct ata_port_info scc_port_info[] = {
         {
-                .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_MMIO | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SLAVE_POSS,
                 .pio_mask       = ATA_PIO4,
                 /* No MWDMA */
                 .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/pata_sis.c b/drivers/ata/pata_sis.c
index 60cea13cccc..c04abc393fc 100644
--- a/drivers/ata/pata_sis.c
+++ b/drivers/ata/pata_sis.c
@@ -593,7 +593,7 @@ static const struct ata_port_info sis_info133 = {
         .port_ops       = &sis_133_ops,
 };
 const struct ata_port_info sis_info133_for_sata = {
-        .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
+        .flags          = ATA_FLAG_SLAVE_POSS,
         .pio_mask       = ATA_PIO4,
         /* No MWDMA */
         .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c
index adbe0426c8f..1111712b3d7 100644
--- a/drivers/ata/pdc_adma.c
+++ b/drivers/ata/pdc_adma.c
@@ -166,9 +166,7 @@ static struct ata_port_operations adma_ata_ops = {
 static struct ata_port_info adma_port_info[] = {
         /* board_1841_idx */
         {
-                .flags          = ATA_FLAG_SLAVE_POSS |
-                                  ATA_FLAG_NO_LEGACY | ATA_FLAG_MMIO |
-                                  ATA_FLAG_PIO_POLLING,
+                .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_PIO_POLLING,
                 .pio_mask       = ATA_PIO4_ONLY,
                 .udma_mask      = ATA_UDMA4,
                 .port_ops       = &adma_ata_ops,
diff --git a/drivers/ata/sata_dwc_460ex.c b/drivers/ata/sata_dwc_460ex.c
index 6cf57c5c2b5..712ab5a4922 100644
--- a/drivers/ata/sata_dwc_460ex.c
+++ b/drivers/ata/sata_dwc_460ex.c
@@ -40,8 +40,11 @@
 #include <scsi/scsi_host.h>
 #include <scsi/scsi_cmnd.h>
 
+/* These two are defined in "libata.h" */
+#undef  DRV_NAME
+#undef  DRV_VERSION
 #define DRV_NAME        "sata-dwc"
-#define DRV_VERSION     "1.0"
+#define DRV_VERSION     "1.3"
 
 /* SATA DMA driver Globals */
 #define DMA_NUM_CHANS           1
@@ -333,11 +336,47 @@ static int dma_dwc_xfer_setup(struct scatterlist *sg, int num_elems,
                               void __iomem *addr, int dir);
 static void dma_dwc_xfer_start(int dma_ch);
 
+static const char *get_prot_descript(u8 protocol)
+{
+        switch ((enum ata_tf_protocols)protocol) {
+        case ATA_PROT_NODATA:
+                return "ATA no data";
+        case ATA_PROT_PIO:
+                return "ATA PIO";
+        case ATA_PROT_DMA:
+                return "ATA DMA";
+        case ATA_PROT_NCQ:
+                return "ATA NCQ";
+        case ATAPI_PROT_NODATA:
+                return "ATAPI no data";
+        case ATAPI_PROT_PIO:
+                return "ATAPI PIO";
+        case ATAPI_PROT_DMA:
+                return "ATAPI DMA";
+        default:
+                return "unknown";
+        }
+}
+
+static const char *get_dma_dir_descript(int dma_dir)
+{
+        switch ((enum dma_data_direction)dma_dir) {
+        case DMA_BIDIRECTIONAL:
+                return "bidirectional";
+        case DMA_TO_DEVICE:
+                return "to device";
+        case DMA_FROM_DEVICE:
+                return "from device";
+        default:
+                return "none";
+        }
+}
+
 static void sata_dwc_tf_dump(struct ata_taskfile *tf)
 {
         dev_vdbg(host_pvt.dwc_dev, "taskfile cmd: 0x%02x protocol: %s flags:"
-                "0x%lx device: %x\n", tf->command, ata_get_cmd_descript\
-                (tf->protocol), tf->flags, tf->device);
+                "0x%lx device: %x\n", tf->command,
+                get_prot_descript(tf->protocol), tf->flags, tf->device);
         dev_vdbg(host_pvt.dwc_dev, "feature: 0x%02x nsect: 0x%x lbal: 0x%x "
                 "lbam: 0x%x lbah: 0x%x\n", tf->feature, tf->nsect, tf->lbal,
                  tf->lbam, tf->lbah);
@@ -715,7 +754,7 @@ static int dma_dwc_xfer_setup(struct scatterlist *sg, int num_elems,
         /* Program the CTL register with src enable / dst enable */
         out_le32(&(host_pvt.sata_dma_regs->chan_regs[dma_ch].ctl.low),
                  DMA_CTL_LLP_SRCEN | DMA_CTL_LLP_DSTEN);
-        return 0;
+        return dma_ch;
 }
 
 /*
@@ -967,7 +1006,7 @@ static irqreturn_t sata_dwc_isr(int irq, void *dev_instance)
                 }
 
                 dev_dbg(ap->dev, "%s non-NCQ cmd interrupt, protocol: %s\n",
-                        __func__, ata_get_cmd_descript(qc->tf.protocol));
+                        __func__, get_prot_descript(qc->tf.protocol));
 DRVSTILLBUSY:
                 if (ata_is_dma(qc->tf.protocol)) {
                         /*
@@ -1057,7 +1096,7 @@ DRVSTILLBUSY:
 
                 /* Process completed command */
                 dev_dbg(ap->dev, "%s NCQ command, protocol: %s\n", __func__,
-                        ata_get_cmd_descript(qc->tf.protocol));
+                        get_prot_descript(qc->tf.protocol));
                 if (ata_is_dma(qc->tf.protocol)) {
                         host_pvt.dma_interrupt_count++;
                         if (hsdevp->dma_pending[tag] == \
@@ -1142,8 +1181,8 @@ static void sata_dwc_dma_xfer_complete(struct ata_port *ap, u32 check_status)
         if (tag > 0) {
                 dev_info(ap->dev, "%s tag=%u cmd=0x%02x dma dir=%s proto=%s "
                          "dmacr=0x%08x\n", __func__, qc->tag, qc->tf.command,
-                         ata_get_cmd_descript(qc->dma_dir),
-                         ata_get_cmd_descript(qc->tf.protocol),
+                         get_dma_dir_descript(qc->dma_dir),
+                         get_prot_descript(qc->tf.protocol),
                          in_le32(&(hsdev->sata_dwc_regs->dmacr)));
         }
 #endif
@@ -1354,7 +1393,7 @@ static void sata_dwc_exec_command_by_tag(struct ata_port *ap,
         struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap);
 
         dev_dbg(ap->dev, "%s cmd(0x%02x): %s tag=%d\n", __func__, tf->command,
-                ata_get_cmd_descript(tf), tag);
+                ata_get_cmd_descript(tf->command), tag);
 
         spin_lock_irqsave(&ap->host->lock, flags);
         hsdevp->cmd_issued[tag] = cmd_issued;
@@ -1413,7 +1452,7 @@ static void sata_dwc_bmdma_start_by_tag(struct ata_queued_cmd *qc, u8 tag)
 
         dev_dbg(ap->dev, "%s qc=%p tag: %x cmd: 0x%02x dma_dir: %s "
                 "start_dma? %x\n", __func__, qc, tag, qc->tf.command,
-                ata_get_cmd_descript(qc->dma_dir), start_dma);
+                get_dma_dir_descript(qc->dma_dir), start_dma);
         sata_dwc_tf_dump(&(qc->tf));
 
         if (start_dma) {
@@ -1462,10 +1501,9 @@ static void sata_dwc_qc_prep_by_tag(struct ata_queued_cmd *qc, u8 tag)
         int dma_chan;
         struct sata_dwc_device *hsdev = HSDEV_FROM_AP(ap);
         struct sata_dwc_device_port *hsdevp = HSDEVP_FROM_AP(ap);
-        int err;
 
         dev_dbg(ap->dev, "%s: port=%d dma dir=%s n_elem=%d\n",
-                __func__, ap->port_no, ata_get_cmd_descript(qc->dma_dir),
+                __func__, ap->port_no, get_dma_dir_descript(qc->dma_dir),
                  qc->n_elem);
 
         dma_chan = dma_dwc_xfer_setup(sg, qc->n_elem, hsdevp->llit[tag],
@@ -1474,7 +1512,7 @@ static void sata_dwc_qc_prep_by_tag(struct ata_queued_cmd *qc, u8 tag)
                                       dmadr), qc->dma_dir);
         if (dma_chan < 0) {
                 dev_err(ap->dev, "%s: dma_dwc_xfer_setup returns err %d\n",
-                        __func__, err);
+                        __func__, dma_chan);
                 return;
         }
         hsdevp->dma_chan[tag] = dma_chan;
@@ -1491,8 +1529,8 @@ static unsigned int sata_dwc_qc_issue(struct ata_queued_cmd *qc)
                 dev_info(ap->dev, "%s ap id=%d cmd(0x%02x)=%s qc tag=%d "
                          "prot=%s ap active_tag=0x%08x ap sactive=0x%08x\n",
                          __func__, ap->print_id, qc->tf.command,
-                         ata_get_cmd_descript(&qc->tf),
-                         qc->tag, ata_get_cmd_descript(qc->tf.protocol),
+                         ata_get_cmd_descript(qc->tf.command),
+                         qc->tag, get_prot_descript(qc->tf.protocol),
                          ap->link.active_tag, ap->link.sactive);
 #endif
 
@@ -1533,7 +1571,7 @@ static void sata_dwc_qc_prep(struct ata_queued_cmd *qc)
 #ifdef DEBUG_NCQ
         if (qc->tag > 0)
                 dev_info(qc->ap->dev, "%s: qc->tag=%d ap->active_tag=0x%08x\n",
-                         __func__, tag, qc->ap->link.active_tag);
+                         __func__, qc->tag, qc->ap->link.active_tag);
 
         return ;
 #endif
@@ -1580,9 +1618,8 @@ static struct ata_port_operations sata_dwc_ops = {
 
 static const struct ata_port_info sata_dwc_port_info[] = {
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_NCQ,
-                .pio_mask       = 0x1f, /* pio 0-4 */
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_NCQ,
+                .pio_mask       = ATA_PIO4,
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &sata_dwc_ops,
         },
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index b0214d00d50..7f9eab34a38 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -33,8 +33,7 @@ enum {
         SATA_FSL_MAX_PRD_USABLE = SATA_FSL_MAX_PRD - 1,
         SATA_FSL_MAX_PRD_DIRECT = 16,   /* Direct PRDT entries */
 
-        SATA_FSL_HOST_FLAGS     = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+        SATA_FSL_HOST_FLAGS     = (ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
                                 ATA_FLAG_PMP | ATA_FLAG_NCQ | ATA_FLAG_AN),
 
         SATA_FSL_MAX_CMDS       = SATA_FSL_QUEUE_DEPTH,
@@ -186,6 +185,11 @@ enum {
         COMMANDSTAT = 0x20,
 };
 
+/* TRANSCFG (transport-layer) configuration control */
+enum {
+        TRANSCFG_RX_WATER_MARK = (1 << 4),
+};
+
 /* PHY (link-layer) configuration control */
 enum {
         PHY_BIST_ENABLE = 0x01,
@@ -1040,12 +1044,15 @@ static void sata_fsl_error_intr(struct ata_port *ap)
 
                 /* find out the offending link and qc */
                 if (ap->nr_pmp_links) {
+                        unsigned int dev_num;
+
                         dereg = ioread32(hcr_base + DE);
                         iowrite32(dereg, hcr_base + DE);
                         iowrite32(cereg, hcr_base + CE);
 
-                        if (dereg < ap->nr_pmp_links) {
-                                link = &ap->pmp_link[dereg];
+                        dev_num = ffs(dereg) - 1;
+                        if (dev_num < ap->nr_pmp_links && dereg != 0) {
+                                link = &ap->pmp_link[dev_num];
                                 ehi = &link->eh_info;
                                 qc = ata_qc_from_tag(ap, link->active_tag);
                                 /*
@@ -1303,6 +1310,7 @@ static int sata_fsl_probe(struct platform_device *ofdev,
         struct sata_fsl_host_priv *host_priv = NULL;
         int irq;
         struct ata_host *host;
+        u32 temp;
 
         struct ata_port_info pi = sata_fsl_port_info[0];
         const struct ata_port_info *ppi[] = { &pi, NULL };
@@ -1317,6 +1325,12 @@ static int sata_fsl_probe(struct platform_device *ofdev,
         ssr_base = hcr_base + 0x100;
         csr_base = hcr_base + 0x140;
 
+        if (!of_device_is_compatible(ofdev->dev.of_node, "fsl,mpc8315-sata")) {
+                temp = ioread32(csr_base + TRANSCFG);
+                temp = temp & 0xffffffe0;
+                iowrite32(temp | TRANSCFG_RX_WATER_MARK, csr_base + TRANSCFG);
+        }
+
         DPRINTK("@reset i/o = 0x%x\n", ioread32(csr_base + TRANSCFG));
         DPRINTK("sizeof(cmd_desc) = %d\n", sizeof(struct command_desc));
         DPRINTK("sizeof(#define cmd_desc) = %d\n", SATA_FSL_CMD_DESC_SIZE);
diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c
index bf74a36d3cc..cd40651e9b7 100644
--- a/drivers/ata/sata_mv.c
+++ b/drivers/ata/sata_mv.c
@@ -160,8 +160,7 @@ enum {
         /* Host Flags */
         MV_FLAG_DUAL_HC         = (1 << 30),  /* two SATA Host Controllers */
 
-        MV_COMMON_FLAGS         = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_PIO_POLLING,
+        MV_COMMON_FLAGS         = ATA_FLAG_SATA | ATA_FLAG_PIO_POLLING,
 
         MV_GEN_I_FLAGS          = MV_COMMON_FLAGS | ATA_FLAG_NO_ATAPI,
 
diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c
index 7254e255fd7..42344e3c686 100644
--- a/drivers/ata/sata_nv.c
+++ b/drivers/ata/sata_nv.c
@@ -539,7 +539,7 @@ struct nv_pi_priv {
 static const struct ata_port_info nv_port_info[] = {
         /* generic */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
@@ -548,7 +548,7 @@ static const struct ata_port_info nv_port_info[] = {
         },
         /* nforce2/3 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
@@ -557,7 +557,7 @@ static const struct ata_port_info nv_port_info[] = {
         },
         /* ck804 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
@@ -566,8 +566,7 @@ static const struct ata_port_info nv_port_info[] = {
         },
         /* ADMA */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_NCQ,
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_NCQ,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
@@ -576,7 +575,7 @@ static const struct ata_port_info nv_port_info[] = {
         },
         /* MCP5x */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
@@ -585,8 +584,7 @@ static const struct ata_port_info nv_port_info[] = {
         },
         /* SWNCQ */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_NCQ,
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_NCQ,
                 .pio_mask       = NV_PIO_MASK,
                 .mwdma_mask     = NV_MWDMA_MASK,
                 .udma_mask      = NV_UDMA_MASK,
diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c
index f03ad48273f..a004b1e0ea6 100644
--- a/drivers/ata/sata_promise.c
+++ b/drivers/ata/sata_promise.c
@@ -134,9 +134,7 @@ enum {
         PDC_IRQ_DISABLE         = (1 << 10),
         PDC_RESET               = (1 << 11), /* HDMA reset */
 
-        PDC_COMMON_FLAGS        = ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO |
-                                  ATA_FLAG_PIO_POLLING,
+        PDC_COMMON_FLAGS        = ATA_FLAG_PIO_POLLING,
 
         /* ap->flags bits */
         PDC_FLAG_GEN_II         = (1 << 24),
diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c
index daeebf19a6a..c5603265fa5 100644
--- a/drivers/ata/sata_qstor.c
+++ b/drivers/ata/sata_qstor.c
@@ -155,8 +155,7 @@ static struct ata_port_operations qs_ata_ops = {
 static const struct ata_port_info qs_port_info[] = {
         /* board_2068_idx */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_PIO_POLLING,
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_PIO_POLLING,
                 .pio_mask       = ATA_PIO4_ONLY,
                 .udma_mask      = ATA_UDMA6,
                 .port_ops       = &qs_ata_ops,
diff --git a/drivers/ata/sata_sil.c b/drivers/ata/sata_sil.c
index 3a4f8421971..b42edaaf3a5 100644
--- a/drivers/ata/sata_sil.c
+++ b/drivers/ata/sata_sil.c
@@ -61,8 +61,7 @@ enum {
         SIL_FLAG_RERR_ON_DMA_ACT = (1 << 29),
         SIL_FLAG_MOD15WRITE     = (1 << 30),
 
-        SIL_DFL_PORT_FLAGS      = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO,
+        SIL_DFL_PORT_FLAGS      = ATA_FLAG_SATA,
 
         /*
          * Controller IDs
diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c
index af41c6fd125..06c564e5505 100644
--- a/drivers/ata/sata_sil24.c
+++ b/drivers/ata/sata_sil24.c
@@ -244,8 +244,7 @@ enum {
         BID_SIL3131             = 2,
 
         /* host flags */
-        SIL24_COMMON_FLAGS      = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA |
+        SIL24_COMMON_FLAGS      = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA |
                                   ATA_FLAG_NCQ | ATA_FLAG_ACPI_SATA |
                                   ATA_FLAG_AN | ATA_FLAG_PMP,
         SIL24_FLAG_PCIX_IRQ_WOC = (1 << 24), /* IRQ loss errata on PCI-X */
diff --git a/drivers/ata/sata_sis.c b/drivers/ata/sata_sis.c
index 2bfe3ae0397..cdcc13e9cf5 100644
--- a/drivers/ata/sata_sis.c
+++ b/drivers/ata/sata_sis.c
@@ -96,7 +96,7 @@ static struct ata_port_operations sis_ops = {
 };
 
 static const struct ata_port_info sis_port_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+        .flags          = ATA_FLAG_SATA,
         .pio_mask       = ATA_PIO4,
         .mwdma_mask     = ATA_MWDMA2,
         .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index 7d9db4aaf07..35eabcf3456 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -359,8 +359,7 @@ static struct ata_port_operations k2_sata_ops = {
 static const struct ata_port_info k2_port_info[] = {
         /* chip_svw4 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA,
+                .flags          = ATA_FLAG_SATA | K2_FLAG_NO_ATAPI_DMA,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
@@ -368,8 +367,7 @@ static const struct ata_port_info k2_port_info[] = {
         },
         /* chip_svw8 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | K2_FLAG_NO_ATAPI_DMA |
+                .flags          = ATA_FLAG_SATA | K2_FLAG_NO_ATAPI_DMA |
                                   K2_FLAG_SATA_8_PORTS,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
@@ -378,8 +376,7 @@ static const struct ata_port_info k2_port_info[] = {
         },
         /* chip_svw42 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO | K2_FLAG_BAR_POS_3,
+                .flags          = ATA_FLAG_SATA | K2_FLAG_BAR_POS_3,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
@@ -387,8 +384,7 @@ static const struct ata_port_info k2_port_info[] = {
         },
         /* chip_svw43 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index bedd5188e5b..8fd3b7252bd 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -273,9 +273,8 @@ static struct ata_port_operations pdc_20621_ops = {
 static const struct ata_port_info pdc_port_info[] = {
         /* board_20621 */
         {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_SRST | ATA_FLAG_MMIO |
-                                  ATA_FLAG_NO_ATAPI | ATA_FLAG_PIO_POLLING,
+                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_ATAPI |
+                                  ATA_FLAG_PIO_POLLING,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c
index b8578c32d34..235be717a71 100644
--- a/drivers/ata/sata_uli.c
+++ b/drivers/ata/sata_uli.c
@@ -88,8 +88,7 @@ static struct ata_port_operations uli_ops = {
 };
 
 static const struct ata_port_info uli_port_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                          ATA_FLAG_IGN_SIMPLEX,
+        .flags          = ATA_FLAG_SATA | ATA_FLAG_IGN_SIMPLEX,
         .pio_mask       = ATA_PIO4,
         .udma_mask      = ATA_UDMA6,
         .port_ops       = &uli_ops,
diff --git a/drivers/ata/sata_via.c b/drivers/ata/sata_via.c
index 8b677bbf2d3..21242c5709a 100644
--- a/drivers/ata/sata_via.c
+++ b/drivers/ata/sata_via.c
@@ -148,7 +148,7 @@ static struct ata_port_operations vt8251_ops = {
 };
 
 static const struct ata_port_info vt6420_port_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+        .flags          = ATA_FLAG_SATA,
         .pio_mask       = ATA_PIO4,
         .mwdma_mask     = ATA_MWDMA2,
         .udma_mask      = ATA_UDMA6,
@@ -156,7 +156,7 @@ static const struct ata_port_info vt6420_port_info = {
 };
 
 static struct ata_port_info vt6421_sport_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY,
+        .flags          = ATA_FLAG_SATA,
         .pio_mask       = ATA_PIO4,
         .mwdma_mask     = ATA_MWDMA2,
         .udma_mask      = ATA_UDMA6,
@@ -164,7 +164,7 @@ static struct ata_port_info vt6421_sport_info = {
 };
 
 static struct ata_port_info vt6421_pport_info = {
-        .flags          = ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_LEGACY,
+        .flags          = ATA_FLAG_SLAVE_POSS,
         .pio_mask       = ATA_PIO4,
         /* No MWDMA */
         .udma_mask      = ATA_UDMA6,
@@ -172,8 +172,7 @@ static struct ata_port_info vt6421_pport_info = {
 };
 
 static struct ata_port_info vt8251_port_info = {
-        .flags          = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS |
-                          ATA_FLAG_NO_LEGACY,
+        .flags          = ATA_FLAG_SATA | ATA_FLAG_SLAVE_POSS,
         .pio_mask       = ATA_PIO4,
         .mwdma_mask     = ATA_MWDMA2,
         .udma_mask      = ATA_UDMA6,
diff --git a/drivers/ata/sata_vsc.c b/drivers/ata/sata_vsc.c
index e079cf29ed5..7c987371136 100644
--- a/drivers/ata/sata_vsc.c
+++ b/drivers/ata/sata_vsc.c
@@ -340,8 +340,7 @@ static int __devinit vsc_sata_init_one(struct pci_dev *pdev,
                                        const struct pci_device_id *ent)
 {
         static const struct ata_port_info pi = {
-                .flags          = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
-                                  ATA_FLAG_MMIO,
+                .flags          = ATA_FLAG_SATA,
                 .pio_mask       = ATA_PIO4,
                 .mwdma_mask     = ATA_MWDMA2,
                 .udma_mask      = ATA_UDMA6,
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index d7aa39e349a..9cb8668ff5f 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -120,6 +120,10 @@ static DEFINE_SPINLOCK(minor_lock);
 #define EXTENDED (1<<EXT_SHIFT)
 #define VDEV_IS_EXTENDED(dev) ((dev)&(EXTENDED))
 #define BLKIF_MINOR_EXT(dev) ((dev)&(~EXTENDED))
+#define EMULATED_HD_DISK_MINOR_OFFSET (0)
+#define EMULATED_HD_DISK_NAME_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET / 256)
+#define EMULATED_SD_DISK_MINOR_OFFSET (EMULATED_HD_DISK_MINOR_OFFSET + (4 * 16))
+#define EMULATED_SD_DISK_NAME_OFFSET (EMULATED_HD_DISK_NAME_OFFSET + 4)
 
 #define DEV_NAME        "xvd"   /* name in /dev */
 
@@ -281,7 +285,7 @@ static int blkif_queue_request(struct request *req)
         info->shadow[id].request = req;
 
         ring_req->id = id;
-        ring_req->sector_number = (blkif_sector_t)blk_rq_pos(req);
+        ring_req->u.rw.sector_number = (blkif_sector_t)blk_rq_pos(req);
         ring_req->handle = info->handle;
 
         ring_req->operation = rq_data_dir(req) ?
@@ -317,7 +321,7 @@ static int blkif_queue_request(struct request *req)
                                 rq_data_dir(req) );
 
                 info->shadow[id].frame[i] = mfn_to_pfn(buffer_mfn);
-                ring_req->seg[i] =
+                ring_req->u.rw.seg[i] =
                                 (struct blkif_request_segment) {
                                         .gref       = ref,
                                         .first_sect = fsect,
@@ -434,6 +438,65 @@ static void xlvbd_flush(struct blkfront_info *info)
                info->feature_flush ? "enabled" : "disabled");
 }
 
+static int xen_translate_vdev(int vdevice, int *minor, unsigned int *offset)
+{
+        int major;
+        major = BLKIF_MAJOR(vdevice);
+        *minor = BLKIF_MINOR(vdevice);
+        switch (major) {
+                case XEN_IDE0_MAJOR:
+                        *offset = (*minor / 64) + EMULATED_HD_DISK_NAME_OFFSET;
+                        *minor = ((*minor / 64) * PARTS_PER_DISK) +
+                                EMULATED_HD_DISK_MINOR_OFFSET;
+                        break;
+                case XEN_IDE1_MAJOR:
+                        *offset = (*minor / 64) + 2 + EMULATED_HD_DISK_NAME_OFFSET;
+                        *minor = (((*minor / 64) + 2) * PARTS_PER_DISK) +
+                                EMULATED_HD_DISK_MINOR_OFFSET;
+                        break;
+                case XEN_SCSI_DISK0_MAJOR:
+                        *offset = (*minor / PARTS_PER_DISK) + EMULATED_SD_DISK_NAME_OFFSET;
+                        *minor = *minor + EMULATED_SD_DISK_MINOR_OFFSET;
+                        break;
+                case XEN_SCSI_DISK1_MAJOR:
+                case XEN_SCSI_DISK2_MAJOR:
+                case XEN_SCSI_DISK3_MAJOR:
+                case XEN_SCSI_DISK4_MAJOR:
+                case XEN_SCSI_DISK5_MAJOR:
+                case XEN_SCSI_DISK6_MAJOR:
+                case XEN_SCSI_DISK7_MAJOR:
+                        *offset = (*minor / PARTS_PER_DISK) + 
+                                ((major - XEN_SCSI_DISK1_MAJOR + 1) * 16) +
+                                EMULATED_SD_DISK_NAME_OFFSET;
+                        *minor = *minor +
+                                ((major - XEN_SCSI_DISK1_MAJOR + 1) * 16 * PARTS_PER_DISK) +
+                                EMULATED_SD_DISK_MINOR_OFFSET;
+                        break;
+                case XEN_SCSI_DISK8_MAJOR:
+                case XEN_SCSI_DISK9_MAJOR:
+                case XEN_SCSI_DISK10_MAJOR:
+                case XEN_SCSI_DISK11_MAJOR:
+                case XEN_SCSI_DISK12_MAJOR:
+                case XEN_SCSI_DISK13_MAJOR:
+                case XEN_SCSI_DISK14_MAJOR:
+                case XEN_SCSI_DISK15_MAJOR:
+                        *offset = (*minor / PARTS_PER_DISK) + 
+                                ((major - XEN_SCSI_DISK8_MAJOR + 8) * 16) +
+                                EMULATED_SD_DISK_NAME_OFFSET;
+                        *minor = *minor +
+                                ((major - XEN_SCSI_DISK8_MAJOR + 8) * 16 * PARTS_PER_DISK) +
+                                EMULATED_SD_DISK_MINOR_OFFSET;
+                        break;
+                case XENVBD_MAJOR:
+                        *offset = *minor / PARTS_PER_DISK;
+                        break;
+                default:
+                        printk(KERN_WARNING "blkfront: your disk configuration is "
+                                        "incorrect, please use an xvd device instead\n");
+                        return -ENODEV;
+        }
+        return 0;
+}
 
 static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
                                struct blkfront_info *info,
@@ -441,7 +504,7 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
 {
         struct gendisk *gd;
         int nr_minors = 1;
-        int err = -ENODEV;
+        int err;
         unsigned int offset;
         int minor;
         int nr_parts;
@@ -456,12 +519,20 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
         }
 
         if (!VDEV_IS_EXTENDED(info->vdevice)) {
-                minor = BLKIF_MINOR(info->vdevice);
-                nr_parts = PARTS_PER_DISK;
+                err = xen_translate_vdev(info->vdevice, &minor, &offset);
+                if (err)
+                        return err;             
+                nr_parts = PARTS_PER_DISK;
         } else {
                 minor = BLKIF_MINOR_EXT(info->vdevice);
                 nr_parts = PARTS_PER_EXT_DISK;
+                offset = minor / nr_parts;
+                if (xen_hvm_domain() && offset <= EMULATED_HD_DISK_NAME_OFFSET + 4)
+                        printk(KERN_WARNING "blkfront: vdevice 0x%x might conflict with "
+                                        "emulated IDE disks,\n\t choose an xvd device name"
+                                        "from xvde on\n", info->vdevice);
         }
+        err = -ENODEV;
 
         if ((minor % nr_parts) == 0)
                 nr_minors = nr_parts;
@@ -475,8 +546,6 @@ static int xlvbd_alloc_gendisk(blkif_sector_t capacity,
         if (gd == NULL)
                 goto release;
 
-        offset = minor / nr_parts;
-
         if (nr_minors > 1) {
                 if (offset < 26)
                         sprintf(gd->disk_name, "%s%c", DEV_NAME, 'a' + offset);
@@ -615,7 +684,7 @@ static void blkif_completion(struct blk_shadow *s)
 {
         int i;
         for (i = 0; i < s->req.nr_segments; i++)
-                gnttab_end_foreign_access(s->req.seg[i].gref, 0, 0UL);
+                gnttab_end_foreign_access(s->req.u.rw.seg[i].gref, 0, 0UL);
 }
 
 static irqreturn_t blkif_interrupt(int irq, void *dev_id)
@@ -932,7 +1001,7 @@ static int blkif_recover(struct blkfront_info *info)
                 /* Rewrite any grant references invalidated by susp/resume. */
                 for (j = 0; j < req->nr_segments; j++)
                         gnttab_grant_foreign_access_ref(
-                                req->seg[j].gref,
+                                req->u.rw.seg[j].gref,
                                 info->xbdev->otherend_id,
                                 pfn_to_mfn(info->shadow[req->id].frame[j]),
                                 rq_data_dir(info->shadow[req->id].request));
diff --git a/drivers/char/mmtimer.c b/drivers/char/mmtimer.c
index e6d75627c6c..33dc2298af7 100644
--- a/drivers/char/mmtimer.c
+++ b/drivers/char/mmtimer.c
@@ -53,6 +53,8 @@ MODULE_LICENSE("GPL");
 
 #define RTC_BITS 55 /* 55 bits for this implementation */
 
+static struct k_clock sgi_clock;
+
 extern unsigned long sn_rtc_cycles_per_second;
 
 #define RTC_COUNTER_ADDR        ((long *)LOCAL_MMR_ADDR(SH_RTC))
@@ -487,7 +489,7 @@ static int sgi_clock_get(clockid_t clockid, struct timespec *tp)
         return 0;
 };
 
-static int sgi_clock_set(clockid_t clockid, struct timespec *tp)
+static int sgi_clock_set(const clockid_t clockid, const struct timespec *tp)
 {
 
         u64 nsec;
@@ -763,15 +765,21 @@ static int sgi_timer_set(struct k_itimer *timr, int flags,
         return err;
 }
 
+static int sgi_clock_getres(const clockid_t which_clock, struct timespec *tp)
+{
+        tp->tv_sec = 0;
+        tp->tv_nsec = sgi_clock_period;
+        return 0;
+}
+
 static struct k_clock sgi_clock = {
-        .res = 0,
-        .clock_set = sgi_clock_set,
-        .clock_get = sgi_clock_get,
-        .timer_create = sgi_timer_create,
-        .nsleep = do_posix_clock_nonanosleep,
-        .timer_set = sgi_timer_set,
-        .timer_del = sgi_timer_del,
-        .timer_get = sgi_timer_get
+        .clock_set      = sgi_clock_set,
+        .clock_get      = sgi_clock_get,
+        .clock_getres   = sgi_clock_getres,
+        .timer_create   = sgi_timer_create,
+        .timer_set      = sgi_timer_set,
+        .timer_del      = sgi_timer_del,
+        .timer_get      = sgi_timer_get
 };
 
 /**
@@ -831,8 +839,8 @@ static int __init mmtimer_init(void)
                         (unsigned long) node);
         }
 
-        sgi_clock_period = sgi_clock.res = NSEC_PER_SEC / sn_rtc_cycles_per_second;
-        register_posix_clock(CLOCK_SGI_CYCLE, &sgi_clock);
+        sgi_clock_period = NSEC_PER_SEC / sn_rtc_cycles_per_second;
+        posix_timers_register_clock(CLOCK_SGI_CYCLE, &sgi_clock);
 
         printk(KERN_INFO "%s: v%s, %ld MHz\n", MMTIMER_DESC, MMTIMER_VERSION,
                sn_rtc_cycles_per_second/(unsigned long)1E6);
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 526bfbf6961..94284c8473b 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -81,8 +81,6 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  */
 static DEFINE_MUTEX(dbs_mutex);
 
-static struct workqueue_struct  *kconservative_wq;
-
 static struct dbs_tuners {
         unsigned int sampling_rate;
         unsigned int sampling_down_factor;
@@ -560,7 +558,7 @@ static void do_dbs_timer(struct work_struct *work)
 
         dbs_check_cpu(dbs_info);
 
-        queue_delayed_work_on(cpu, kconservative_wq, &dbs_info->work, delay);
+        schedule_delayed_work_on(cpu, &dbs_info->work, delay);
         mutex_unlock(&dbs_info->timer_mutex);
 }
 
@@ -572,8 +570,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 
         dbs_info->enable = 1;
         INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer);
-        queue_delayed_work_on(dbs_info->cpu, kconservative_wq, &dbs_info->work,
-                                delay);
+        schedule_delayed_work_on(dbs_info->cpu, &dbs_info->work, delay);
 }
 
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
@@ -716,25 +713,12 @@ struct cpufreq_governor cpufreq_gov_conservative = {
 
 static int __init cpufreq_gov_dbs_init(void)
 {
-        int err;
-
-        kconservative_wq = create_workqueue("kconservative");
-        if (!kconservative_wq) {
-                printk(KERN_ERR "Creation of kconservative failed\n");
-                return -EFAULT;
-        }
-
-        err = cpufreq_register_governor(&cpufreq_gov_conservative);
-        if (err)
-                destroy_workqueue(kconservative_wq);
-
-        return err;
+        return cpufreq_register_governor(&cpufreq_gov_conservative);
 }
 
 static void __exit cpufreq_gov_dbs_exit(void)
 {
         cpufreq_unregister_governor(&cpufreq_gov_conservative);
-        destroy_workqueue(kconservative_wq);
 }
 
 
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index c631f27a3dc..58aa85ea5ec 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -104,8 +104,6 @@ static unsigned int dbs_enable;	/* number of CPUs using this policy */
  */
 static DEFINE_MUTEX(dbs_mutex);
 
-static struct workqueue_struct  *kondemand_wq;
-
 static struct dbs_tuners {
         unsigned int sampling_rate;
         unsigned int up_threshold;
@@ -667,7 +665,7 @@ static void do_dbs_timer(struct work_struct *work)
                 __cpufreq_driver_target(dbs_info->cur_policy,
                         dbs_info->freq_lo, CPUFREQ_RELATION_H);
         }
-        queue_delayed_work_on(cpu, kondemand_wq, &dbs_info->work, delay);
+        schedule_delayed_work_on(cpu, &dbs_info->work, delay);
         mutex_unlock(&dbs_info->timer_mutex);
 }
 
@@ -681,8 +679,7 @@ static inline void dbs_timer_init(struct cpu_dbs_info_s *dbs_info)
 
         dbs_info->sample_type = DBS_NORMAL_SAMPLE;
         INIT_DELAYED_WORK_DEFERRABLE(&dbs_info->work, do_dbs_timer);
-        queue_delayed_work_on(dbs_info->cpu, kondemand_wq, &dbs_info->work,
-                delay);
+        schedule_delayed_work_on(dbs_info->cpu, &dbs_info->work, delay);
 }
 
 static inline void dbs_timer_exit(struct cpu_dbs_info_s *dbs_info)
@@ -814,7 +811,6 @@ static int cpufreq_governor_dbs(struct cpufreq_policy *policy,
 
 static int __init cpufreq_gov_dbs_init(void)
 {
-        int err;
         cputime64_t wall;
         u64 idle_time;
         int cpu = get_cpu();
@@ -838,22 +834,12 @@ static int __init cpufreq_gov_dbs_init(void)
                         MIN_SAMPLING_RATE_RATIO * jiffies_to_usecs(10);
         }
 
-        kondemand_wq = create_workqueue("kondemand");
-        if (!kondemand_wq) {
-                printk(KERN_ERR "Creation of kondemand failed\n");
-                return -EFAULT;
-        }
-        err = cpufreq_register_governor(&cpufreq_gov_ondemand);
-        if (err)
-                destroy_workqueue(kondemand_wq);
-
-        return err;
+        return cpufreq_register_governor(&cpufreq_gov_ondemand);
 }
 
 static void __exit cpufreq_gov_dbs_exit(void)
 {
         cpufreq_unregister_governor(&cpufreq_gov_ondemand);
-        destroy_workqueue(kondemand_wq);
 }
 
 
diff --git a/drivers/i2c/busses/i2c-ocores.c b/drivers/i2c/busses/i2c-ocores.c
index 61653f07967..1b46a9d9f90 100644
--- a/drivers/i2c/busses/i2c-ocores.c
+++ b/drivers/i2c/busses/i2c-ocores.c
@@ -330,9 +330,7 @@ static int __devinit ocores_i2c_probe(struct platform_device *pdev)
         i2c->adap = ocores_adapter;
         i2c_set_adapdata(&i2c->adap, i2c);
         i2c->adap.dev.parent = &pdev->dev;
-#ifdef CONFIG_OF
         i2c->adap.dev.of_node = pdev->dev.of_node;
-#endif
 
         /* add i2c adapter to i2c tree */
         ret = i2c_add_adapter(&i2c->adap);
@@ -390,15 +388,11 @@ static int ocores_i2c_resume(struct platform_device *pdev)
 #define ocores_i2c_resume       NULL
 #endif
 
-#ifdef CONFIG_OF
 static struct of_device_id ocores_i2c_match[] = {
-        {
-                .compatible = "opencores,i2c-ocores",
-        },
-        {},
+        { .compatible = "opencores,i2c-ocores", },
+        {},
 };
 MODULE_DEVICE_TABLE(of, ocores_i2c_match);
-#endif
 
 /* work with hotplug and coldplug */
 MODULE_ALIAS("platform:ocores-i2c");
@@ -411,9 +405,7 @@ static struct platform_driver ocores_i2c_driver = {
         .driver  = {
                 .owner = THIS_MODULE,
                 .name = "ocores-i2c",
-#ifdef CONFIG_OF
-                .of_match_table = ocores_i2c_match,
-#endif
+                .of_match_table = ocores_i2c_match,
         },
 };
 
diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c
index f0bd5bcdf56..045ba6efea4 100644
--- a/drivers/i2c/i2c-core.c
+++ b/drivers/i2c/i2c-core.c
@@ -537,9 +537,7 @@ i2c_new_device(struct i2c_adapter *adap, struct i2c_board_info const *info)
         client->dev.parent = &client->adapter->dev;
         client->dev.bus = &i2c_bus_type;
         client->dev.type = &i2c_client_type;
-#ifdef CONFIG_OF
         client->dev.of_node = info->of_node;
-#endif
 
         dev_set_name(&client->dev, "%d-%04x", i2c_adapter_id(adap),
                      client->addr);
diff --git a/drivers/input/touchscreen/tps6507x-ts.c b/drivers/input/touchscreen/tps6507x-ts.c
index c8c136cf7bb..43031492d73 100644
--- a/drivers/input/touchscreen/tps6507x-ts.c
+++ b/drivers/input/touchscreen/tps6507x-ts.c
@@ -43,7 +43,6 @@ struct tps6507x_ts {
         struct input_dev        *input_dev;
         struct device           *dev;
         char                    phys[32];
-        struct workqueue_struct *wq;
         struct delayed_work     work;
         unsigned                polling;        /* polling is active */
         struct ts_event         tc;
@@ -220,8 +219,8 @@ done:
         poll = 1;
 
         if (poll) {
-                schd = queue_delayed_work(tsc->wq, &tsc->work,
-                                          msecs_to_jiffies(tsc->poll_period));
+                schd = schedule_delayed_work(&tsc->work,
+                                        msecs_to_jiffies(tsc->poll_period));
                 if (schd)
                         tsc->polling = 1;
                 else {
@@ -303,7 +302,6 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
         tsc->input_dev = input_dev;
 
         INIT_DELAYED_WORK(&tsc->work, tps6507x_ts_handler);
-        tsc->wq = create_workqueue("TPS6507x Touchscreen");
 
         if (init_data) {
                 tsc->poll_period = init_data->poll_period;
@@ -325,8 +323,8 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
         if (error)
                 goto err2;
 
-        schd = queue_delayed_work(tsc->wq, &tsc->work,
-                                  msecs_to_jiffies(tsc->poll_period));
+        schd = schedule_delayed_work(&tsc->work,
+                                     msecs_to_jiffies(tsc->poll_period));
 
         if (schd)
                 tsc->polling = 1;
@@ -341,7 +339,6 @@ static int tps6507x_ts_probe(struct platform_device *pdev)
 
 err2:
         cancel_delayed_work_sync(&tsc->work);
-        destroy_workqueue(tsc->wq);
         input_free_device(input_dev);
 err1:
         kfree(tsc);
@@ -357,7 +354,6 @@ static int __devexit tps6507x_ts_remove(struct platform_device *pdev)
         struct input_dev *input_dev = tsc->input_dev;
 
         cancel_delayed_work_sync(&tsc->work);
-        destroy_workqueue(tsc->wq);
 
         input_unregister_device(input_dev);
 
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 818313e277e..d5ad7723b17 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -7361,7 +7361,7 @@ static int __init md_init(void)
 {
         int ret = -ENOMEM;
 
-        md_wq = alloc_workqueue("md", WQ_RESCUER, 0);
+        md_wq = alloc_workqueue("md", WQ_MEM_RECLAIM, 0);
         if (!md_wq)
                 goto err_wq;
 
diff --git a/drivers/message/i2o/driver.c b/drivers/message/i2o/driver.c
index a0421efe04c..8a5b2d8f4da 100644
--- a/drivers/message/i2o/driver.c
+++ b/drivers/message/i2o/driver.c
@@ -84,7 +84,8 @@ int i2o_driver_register(struct i2o_driver *drv)
         osm_debug("Register driver %s\n", drv->name);
 
         if (drv->event) {
-                drv->event_queue = create_workqueue(drv->name);
+                drv->event_queue = alloc_workqueue(drv->name,
+                                                   WQ_MEM_RECLAIM, 1);
                 if (!drv->event_queue) {
                         osm_err("Could not initialize event queue for driver "
                                 "%s\n", drv->name);
diff --git a/drivers/misc/iwmc3200top/iwmc3200top.h b/drivers/misc/iwmc3200top/iwmc3200top.h
index 740ff0738ea..620973ed8bf 100644
--- a/drivers/misc/iwmc3200top/iwmc3200top.h
+++ b/drivers/misc/iwmc3200top/iwmc3200top.h
@@ -183,9 +183,7 @@ struct iwmct_priv {
         u32 barker;
         struct iwmct_dbg dbg;
 
-        /* drivers work queue */
-        struct workqueue_struct *wq;
-        struct workqueue_struct *bus_rescan_wq;
+        /* drivers work items */
         struct work_struct bus_rescan_worker;
         struct work_struct isr_worker;
 
diff --git a/drivers/misc/iwmc3200top/main.c b/drivers/misc/iwmc3200top/main.c
index c73cef2c3c5..727af07f1fb 100644
--- a/drivers/misc/iwmc3200top/main.c
+++ b/drivers/misc/iwmc3200top/main.c
@@ -89,7 +89,7 @@ static void op_top_message(struct iwmct_priv *priv, struct top_msg *msg)
         switch (msg->hdr.opcode) {
         case OP_OPR_ALIVE:
                 LOG_INFO(priv, FW_MSG, "Got ALIVE from device, wake rescan\n");
-                queue_work(priv->bus_rescan_wq, &priv->bus_rescan_worker);
+                schedule_work(&priv->bus_rescan_worker);
                 break;
         default:
                 LOG_INFO(priv, FW_MSG, "Received msg opcode 0x%X\n",
@@ -360,7 +360,7 @@ static void iwmct_irq(struct sdio_func *func)
         /* clear the function's interrupt request bit (write 1 to clear) */
         sdio_writeb(func, 1, IWMC_SDIO_INTR_CLEAR_ADDR, &ret);
 
-        queue_work(priv->wq, &priv->isr_worker);
+        schedule_work(&priv->isr_worker);
 
         LOG_TRACE(priv, IRQ, "exit iwmct_irq\n");
 
@@ -506,10 +506,6 @@ static int iwmct_probe(struct sdio_func *func,
         priv->func = func;
         sdio_set_drvdata(func, priv);
 
-
-        /* create drivers work queue */
-        priv->wq = create_workqueue(DRV_NAME "_wq");
-        priv->bus_rescan_wq = create_workqueue(DRV_NAME "_rescan_wq");
         INIT_WORK(&priv->bus_rescan_worker, iwmct_rescan_worker);
         INIT_WORK(&priv->isr_worker, iwmct_irq_read_worker);
 
@@ -604,9 +600,9 @@ static void iwmct_remove(struct sdio_func *func)
         sdio_release_irq(func);
         sdio_release_host(func);
 
-        /* Safely destroy osc workqueue */
-        destroy_workqueue(priv->bus_rescan_wq);
-        destroy_workqueue(priv->wq);
+        /* Make sure works are finished */
+        flush_work_sync(&priv->bus_rescan_worker);
+        flush_work_sync(&priv->isr_worker);
 
         sdio_claim_host(func);
         sdio_disable_func(func);
diff --git a/drivers/mmc/host/mmc_spi.c b/drivers/mmc/host/mmc_spi.c
index fd877f633dd..2f7fc0c5146 100644
--- a/drivers/mmc/host/mmc_spi.c
+++ b/drivers/mmc/host/mmc_spi.c
@@ -1516,21 +1516,17 @@ static int __devexit mmc_spi_remove(struct spi_device *spi)
         return 0;
 }
 
-#if defined(CONFIG_OF)
 static struct of_device_id mmc_spi_of_match_table[] __devinitdata = {
         { .compatible = "mmc-spi-slot", },
         {},
 };
-#endif
 
 static struct spi_driver mmc_spi_driver = {
         .driver = {
                 .name =         "mmc_spi",
                 .bus =          &spi_bus_type,
                 .owner =        THIS_MODULE,
-#if defined(CONFIG_OF)
                 .of_match_table = mmc_spi_of_match_table,
-#endif
         },
         .probe =        mmc_spi_probe,
         .remove =       __devexit_p(mmc_spi_remove),
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
index b79d7e1555d..db0290f05bd 100644
--- a/drivers/net/ethoc.c
+++ b/drivers/net/ethoc.c
@@ -1163,15 +1163,11 @@ static int ethoc_resume(struct platform_device *pdev)
 # define ethoc_resume  NULL
 #endif
 
-#ifdef CONFIG_OF
 static struct of_device_id ethoc_match[] = {
-        {
-                .compatible = "opencores,ethoc",
-        },
+        { .compatible = "opencores,ethoc", },
         {},
 };
 MODULE_DEVICE_TABLE(of, ethoc_match);
-#endif
 
 static struct platform_driver ethoc_driver = {
         .probe   = ethoc_probe,
@@ -1181,9 +1177,7 @@ static struct platform_driver ethoc_driver = {
         .driver  = {
                 .name = "ethoc",
                 .owner = THIS_MODULE,
-#ifdef CONFIG_OF
                 .of_match_table = ethoc_match,
-#endif
         },
 };
 
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.c b/drivers/net/wireless/ipw2x00/ipw2100.c
index 61915f37141..471a52a2f8d 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.c
+++ b/drivers/net/wireless/ipw2x00/ipw2100.c
@@ -706,11 +706,10 @@ static void schedule_reset(struct ipw2100_priv *priv)
                 netif_stop_queue(priv->net_dev);
                 priv->status |= STATUS_RESET_PENDING;
                 if (priv->reset_backoff)
-                        queue_delayed_work(priv->workqueue, &priv->reset_work,
-                                           priv->reset_backoff * HZ);
+                        schedule_delayed_work(&priv->reset_work,
+                                              priv->reset_backoff * HZ);
                 else
-                        queue_delayed_work(priv->workqueue, &priv->reset_work,
-                                           0);
+                        schedule_delayed_work(&priv->reset_work, 0);
 
                 if (priv->reset_backoff < MAX_RESET_BACKOFF)
                         priv->reset_backoff++;
@@ -1474,7 +1473,7 @@ static int ipw2100_enable_adapter(struct ipw2100_priv *priv)
 
         if (priv->stop_hang_check) {
                 priv->stop_hang_check = 0;
-                queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
+                schedule_delayed_work(&priv->hang_check, HZ / 2);
         }
 
       fail_up:
@@ -1808,8 +1807,8 @@ static int ipw2100_up(struct ipw2100_priv *priv, int deferred)
 
                 if (priv->stop_rf_kill) {
                         priv->stop_rf_kill = 0;
-                        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                                           round_jiffies_relative(HZ));
+                        schedule_delayed_work(&priv->rf_kill,
+                                              round_jiffies_relative(HZ));
                 }
 
                 deferred = 1;
@@ -2086,7 +2085,7 @@ static void isr_indicate_associated(struct ipw2100_priv *priv, u32 status)
         priv->status |= STATUS_ASSOCIATING;
         priv->connect_start = get_seconds();
 
-        queue_delayed_work(priv->workqueue, &priv->wx_event_work, HZ / 10);
+        schedule_delayed_work(&priv->wx_event_work, HZ / 10);
 }
 
 static int ipw2100_set_essid(struct ipw2100_priv *priv, char *essid,
@@ -2166,9 +2165,9 @@ static void isr_indicate_association_lost(struct ipw2100_priv *priv, u32 status)
                 return;
 
         if (priv->status & STATUS_SECURITY_UPDATED)
-                queue_delayed_work(priv->workqueue, &priv->security_work, 0);
+                schedule_delayed_work(&priv->security_work, 0);
 
-        queue_delayed_work(priv->workqueue, &priv->wx_event_work, 0);
+        schedule_delayed_work(&priv->wx_event_work, 0);
 }
 
 static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
@@ -2183,8 +2182,7 @@ static void isr_indicate_rf_kill(struct ipw2100_priv *priv, u32 status)
         /* Make sure the RF Kill check timer is running */
         priv->stop_rf_kill = 0;
         cancel_delayed_work(&priv->rf_kill);
-        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                           round_jiffies_relative(HZ));
+        schedule_delayed_work(&priv->rf_kill, round_jiffies_relative(HZ));
 }
 
 static void send_scan_event(void *data)
@@ -2219,13 +2217,12 @@ static void isr_scan_complete(struct ipw2100_priv *priv, u32 status)
         /* Only userspace-requested scan completion events go out immediately */
         if (!priv->user_requested_scan) {
                 if (!delayed_work_pending(&priv->scan_event_later))
-                        queue_delayed_work(priv->workqueue,
-                                        &priv->scan_event_later,
-                                        round_jiffies_relative(msecs_to_jiffies(4000)));
+                        schedule_delayed_work(&priv->scan_event_later,
+                                              round_jiffies_relative(msecs_to_jiffies(4000)));
         } else {
                 priv->user_requested_scan = 0;
                 cancel_delayed_work(&priv->scan_event_later);
-                queue_work(priv->workqueue, &priv->scan_event_now);
+                schedule_work(&priv->scan_event_now);
         }
 }
 
@@ -4329,8 +4326,8 @@ static int ipw_radio_kill_sw(struct ipw2100_priv *priv, int disable_radio)
                         /* Make sure the RF_KILL check timer is running */
                         priv->stop_rf_kill = 0;
                         cancel_delayed_work(&priv->rf_kill);
-                        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                                           round_jiffies_relative(HZ));
+                        schedule_delayed_work(&priv->rf_kill,
+                                              round_jiffies_relative(HZ));
                 } else
                         schedule_reset(priv);
         }
@@ -4461,20 +4458,17 @@ static void bd_queue_initialize(struct ipw2100_priv *priv,
         IPW_DEBUG_INFO("exit\n");
 }
 
-static void ipw2100_kill_workqueue(struct ipw2100_priv *priv)
+static void ipw2100_kill_works(struct ipw2100_priv *priv)
 {
-        if (priv->workqueue) {
-                priv->stop_rf_kill = 1;
-                priv->stop_hang_check = 1;
-                cancel_delayed_work(&priv->reset_work);
-                cancel_delayed_work(&priv->security_work);
-                cancel_delayed_work(&priv->wx_event_work);
-                cancel_delayed_work(&priv->hang_check);
-                cancel_delayed_work(&priv->rf_kill);
-                cancel_delayed_work(&priv->scan_event_later);
-                destroy_workqueue(priv->workqueue);
-                priv->workqueue = NULL;
-        }
+        priv->stop_rf_kill = 1;
+        priv->stop_hang_check = 1;
+        cancel_delayed_work_sync(&priv->reset_work);
+        cancel_delayed_work_sync(&priv->security_work);
+        cancel_delayed_work_sync(&priv->wx_event_work);
+        cancel_delayed_work_sync(&priv->hang_check);
+        cancel_delayed_work_sync(&priv->rf_kill);
+        cancel_work_sync(&priv->scan_event_now);
+        cancel_delayed_work_sync(&priv->scan_event_later);
 }
 
 static int ipw2100_tx_allocate(struct ipw2100_priv *priv)
@@ -6046,7 +6040,7 @@ static void ipw2100_hang_check(struct work_struct *work)
         priv->last_rtc = rtc;
 
         if (!priv->stop_hang_check)
-                queue_delayed_work(priv->workqueue, &priv->hang_check, HZ / 2);
+                schedule_delayed_work(&priv->hang_check, HZ / 2);
 
         spin_unlock_irqrestore(&priv->low_lock, flags);
 }
@@ -6062,8 +6056,8 @@ static void ipw2100_rf_kill(struct work_struct *work)
         if (rf_kill_active(priv)) {
                 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
                 if (!priv->stop_rf_kill)
-                        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                                           round_jiffies_relative(HZ));
+                        schedule_delayed_work(&priv->rf_kill,
+                                              round_jiffies_relative(HZ));
                 goto exit_unlock;
         }
 
@@ -6209,8 +6203,6 @@ static struct net_device *ipw2100_alloc_device(struct pci_dev *pci_dev,
         INIT_LIST_HEAD(&priv->fw_pend_list);
         INIT_STAT(&priv->fw_pend_stat);
 
-        priv->workqueue = create_workqueue(DRV_NAME);
-
         INIT_DELAYED_WORK(&priv->reset_work, ipw2100_reset_adapter);
         INIT_DELAYED_WORK(&priv->security_work, ipw2100_security_work);
         INIT_DELAYED_WORK(&priv->wx_event_work, ipw2100_wx_event_work);
@@ -6410,7 +6402,7 @@ static int ipw2100_pci_init_one(struct pci_dev *pci_dev,
                 if (dev->irq)
                         free_irq(dev->irq, priv);
 
-                ipw2100_kill_workqueue(priv);
+                ipw2100_kill_works(priv);
 
                 /* These are safe to call even if they weren't allocated */
                 ipw2100_queues_free(priv);
@@ -6460,9 +6452,7 @@ static void __devexit ipw2100_pci_remove_one(struct pci_dev *pci_dev)
                  * first, then close() will crash. */
                 unregister_netdev(dev);
 
-                /* ipw2100_down will ensure that there is no more pending work
-                 * in the workqueue's, so we can safely remove them now. */
-                ipw2100_kill_workqueue(priv);
+                ipw2100_kill_works(priv);
 
                 ipw2100_queues_free(priv);
 
diff --git a/drivers/net/wireless/ipw2x00/ipw2100.h b/drivers/net/wireless/ipw2x00/ipw2100.h
index 838002b4881..99cba968aa5 100644
--- a/drivers/net/wireless/ipw2x00/ipw2100.h
+++ b/drivers/net/wireless/ipw2x00/ipw2100.h
@@ -580,7 +580,6 @@ struct ipw2100_priv {
 
         struct tasklet_struct irq_tasklet;
 
-        struct workqueue_struct *workqueue;
         struct delayed_work reset_work;
         struct delayed_work security_work;
         struct delayed_work wx_event_work;
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.c b/drivers/net/wireless/ipw2x00/ipw2200.c
index ae438ed80c2..160881f234c 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.c
+++ b/drivers/net/wireless/ipw2x00/ipw2200.c
@@ -894,9 +894,8 @@ static void ipw_led_link_on(struct ipw_priv *priv)
 
                 /* If we aren't associated, schedule turning the LED off */
                 if (!(priv->status & STATUS_ASSOCIATED))
-                        queue_delayed_work(priv->workqueue,
-                                           &priv->led_link_off,
-                                           LD_TIME_LINK_ON);
+                        schedule_delayed_work(&priv->led_link_off,
+                                              LD_TIME_LINK_ON);
         }
 
         spin_unlock_irqrestore(&priv->lock, flags);
@@ -939,8 +938,8 @@ static void ipw_led_link_off(struct ipw_priv *priv)
                  * turning the LED on (blink while unassociated) */
                 if (!(priv->status & STATUS_RF_KILL_MASK) &&
                     !(priv->status & STATUS_ASSOCIATED))
-                        queue_delayed_work(priv->workqueue, &priv->led_link_on,
-                                           LD_TIME_LINK_OFF);
+                        schedule_delayed_work(&priv->led_link_on,
+                                              LD_TIME_LINK_OFF);
 
         }
 
@@ -980,13 +979,11 @@ static void __ipw_led_activity_on(struct ipw_priv *priv)
                 priv->status |= STATUS_LED_ACT_ON;
 
                 cancel_delayed_work(&priv->led_act_off);
-                queue_delayed_work(priv->workqueue, &priv->led_act_off,
-                                   LD_TIME_ACT_ON);
+                schedule_delayed_work(&priv->led_act_off, LD_TIME_ACT_ON);
         } else {
                 /* Reschedule LED off for full time period */
                 cancel_delayed_work(&priv->led_act_off);
-                queue_delayed_work(priv->workqueue, &priv->led_act_off,
-                                   LD_TIME_ACT_ON);
+                schedule_delayed_work(&priv->led_act_off, LD_TIME_ACT_ON);
         }
 }
 
@@ -1795,13 +1792,11 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
         if (disable_radio) {
                 priv->status |= STATUS_RF_KILL_SW;
 
-                if (priv->workqueue) {
-                        cancel_delayed_work(&priv->request_scan);
-                        cancel_delayed_work(&priv->request_direct_scan);
-                        cancel_delayed_work(&priv->request_passive_scan);
-                        cancel_delayed_work(&priv->scan_event);
-                }
-                queue_work(priv->workqueue, &priv->down);
+                cancel_delayed_work(&priv->request_scan);
+                cancel_delayed_work(&priv->request_direct_scan);
+                cancel_delayed_work(&priv->request_passive_scan);
+                cancel_delayed_work(&priv->scan_event);
+                schedule_work(&priv->down);
         } else {
                 priv->status &= ~STATUS_RF_KILL_SW;
                 if (rf_kill_active(priv)) {
@@ -1809,10 +1804,10 @@ static int ipw_radio_kill_sw(struct ipw_priv *priv, int disable_radio)
                                           "disabled by HW switch\n");
                         /* Make sure the RF_KILL check timer is running */
                         cancel_delayed_work(&priv->rf_kill);
-                        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                                           round_jiffies_relative(2 * HZ));
+                        schedule_delayed_work(&priv->rf_kill,
+                                              round_jiffies_relative(2 * HZ));
                 } else
-                        queue_work(priv->workqueue, &priv->up);
+                        schedule_work(&priv->up);
         }
 
         return 1;
@@ -2063,7 +2058,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
                 cancel_delayed_work(&priv->request_passive_scan);
                 cancel_delayed_work(&priv->scan_event);
                 schedule_work(&priv->link_down);
-                queue_delayed_work(priv->workqueue, &priv->rf_kill, 2 * HZ);
+                schedule_delayed_work(&priv->rf_kill, 2 * HZ);
                 handled |= IPW_INTA_BIT_RF_KILL_DONE;
         }
 
@@ -2103,7 +2098,7 @@ static void ipw_irq_tasklet(struct ipw_priv *priv)
                 priv->status &= ~STATUS_HCMD_ACTIVE;
                 wake_up_interruptible(&priv->wait_command_queue);
 
-                queue_work(priv->workqueue, &priv->adapter_restart);
+                schedule_work(&priv->adapter_restart);
                 handled |= IPW_INTA_BIT_FATAL_ERROR;
         }
 
@@ -2323,11 +2318,6 @@ static int ipw_send_adapter_address(struct ipw_priv *priv, u8 * mac)
         return ipw_send_cmd_pdu(priv, IPW_CMD_ADAPTER_ADDRESS, ETH_ALEN, mac);
 }
 
-/*
- * NOTE: This must be executed from our workqueue as it results in udelay
- * being called which may corrupt the keyboard if executed on default
- * workqueue
- */
 static void ipw_adapter_restart(void *adapter)
 {
         struct ipw_priv *priv = adapter;
@@ -2368,13 +2358,13 @@ static void ipw_scan_check(void *data)
                 IPW_DEBUG_SCAN("Scan completion watchdog resetting "
                                "adapter after (%dms).\n",
                                jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG));
-                queue_work(priv->workqueue, &priv->adapter_restart);
+                schedule_work(&priv->adapter_restart);
         } else if (priv->status & STATUS_SCANNING) {
                 IPW_DEBUG_SCAN("Scan completion watchdog aborting scan "
                                "after (%dms).\n",
                                jiffies_to_msecs(IPW_SCAN_CHECK_WATCHDOG));
                 ipw_abort_scan(priv);
-                queue_delayed_work(priv->workqueue, &priv->scan_check, HZ);
+                schedule_delayed_work(&priv->scan_check, HZ);
         }
 }
 
@@ -3943,7 +3933,7 @@ static void ipw_send_disassociate(struct ipw_priv *priv, int quiet)
 
         if (priv->status & STATUS_ASSOCIATING) {
                 IPW_DEBUG_ASSOC("Disassociating while associating.\n");
-                queue_work(priv->workqueue, &priv->disassociate);
+                schedule_work(&priv->disassociate);
                 return;
         }
 
@@ -4360,8 +4350,7 @@ static void ipw_gather_stats(struct ipw_priv *priv)
 
         priv->quality = quality;
 
-        queue_delayed_work(priv->workqueue, &priv->gather_stats,
-                           IPW_STATS_INTERVAL);
+        schedule_delayed_work(&priv->gather_stats, IPW_STATS_INTERVAL);
 }
 
 static void ipw_bg_gather_stats(struct work_struct *work)
@@ -4396,10 +4385,10 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
                         IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF |
                                   IPW_DL_STATE,
                                   "Aborting scan with missed beacon.\n");
-                        queue_work(priv->workqueue, &priv->abort_scan);
+                        schedule_work(&priv->abort_scan);
                 }
 
-                queue_work(priv->workqueue, &priv->disassociate);
+                schedule_work(&priv->disassociate);
                 return;
         }
 
@@ -4425,8 +4414,7 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
                 if (!(priv->status & STATUS_ROAMING)) {
                         priv->status |= STATUS_ROAMING;
                         if (!(priv->status & STATUS_SCANNING))
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan, 0);
+                                schedule_delayed_work(&priv->request_scan, 0);
                 }
                 return;
         }
@@ -4439,7 +4427,7 @@ static void ipw_handle_missed_beacon(struct ipw_priv *priv,
                  * channels..) */
                 IPW_DEBUG(IPW_DL_INFO | IPW_DL_NOTIF | IPW_DL_STATE,
                           "Aborting scan with missed beacon.\n");
-                queue_work(priv->workqueue, &priv->abort_scan);
+                schedule_work(&priv->abort_scan);
         }
 
         IPW_DEBUG_NOTIF("Missed beacon: %d\n", missed_count);
@@ -4462,8 +4450,8 @@ static void handle_scan_event(struct ipw_priv *priv)
         /* Only userspace-requested scan completion events go out immediately */
         if (!priv->user_requested_scan) {
                 if (!delayed_work_pending(&priv->scan_event))
-                        queue_delayed_work(priv->workqueue, &priv->scan_event,
-                                         round_jiffies_relative(msecs_to_jiffies(4000)));
+                        schedule_delayed_work(&priv->scan_event,
+                                              round_jiffies_relative(msecs_to_jiffies(4000)));
         } else {
                 union iwreq_data wrqu;
 
@@ -4516,20 +4504,17 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 
                                                 IPW_DEBUG_ASSOC
                                                     ("queueing adhoc check\n");
-                                                queue_delayed_work(priv->
-                                                                   workqueue,
-                                                                   &priv->
-                                                                   adhoc_check,
-                                                                   le16_to_cpu(priv->
-                                                                   assoc_request.
-                                                                   beacon_interval));
+                                                schedule_delayed_work(
+                                                        &priv->adhoc_check,
+                                                        le16_to_cpu(priv->
+                                                        assoc_request.
+                                                        beacon_interval));
                                                 break;
                                         }
 
                                         priv->status &= ~STATUS_ASSOCIATING;
                                         priv->status |= STATUS_ASSOCIATED;
-                                        queue_work(priv->workqueue,
-                                                   &priv->system_config);
+                                        schedule_work(&priv->system_config);
 
 #ifdef CONFIG_IPW2200_QOS
 #define IPW_GET_PACKET_STYPE(x) WLAN_FC_GET_STYPE( \
@@ -4792,43 +4777,37 @@ static void ipw_rx_notification(struct ipw_priv *priv,
 #ifdef CONFIG_IPW2200_MONITOR
                         if (priv->ieee->iw_mode == IW_MODE_MONITOR) {
                                 priv->status |= STATUS_SCAN_FORCED;
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan, 0);
+                                schedule_delayed_work(&priv->request_scan, 0);
                                 break;
                         }
                         priv->status &= ~STATUS_SCAN_FORCED;
 #endif                          /* CONFIG_IPW2200_MONITOR */
 
                         /* Do queued direct scans first */
-                        if (priv->status & STATUS_DIRECT_SCAN_PENDING) {
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_direct_scan, 0);
-                        }
+                        if (priv->status & STATUS_DIRECT_SCAN_PENDING)
+                                schedule_delayed_work(&priv->request_direct_scan, 0);
 
                         if (!(priv->status & (STATUS_ASSOCIATED |
                                               STATUS_ASSOCIATING |
                                               STATUS_ROAMING |
                                               STATUS_DISASSOCIATING)))
-                                queue_work(priv->workqueue, &priv->associate);
+                                schedule_work(&priv->associate);
                         else if (priv->status & STATUS_ROAMING) {
                                 if (x->status == SCAN_COMPLETED_STATUS_COMPLETE)
                                         /* If a scan completed and we are in roam mode, then
                                          * the scan that completed was the one requested as a
                                          * result of entering roam... so, schedule the
                                          * roam work */
-                                        queue_work(priv->workqueue,
-                                                   &priv->roam);
+                                        schedule_work(&priv->roam);
                                 else
                                         /* Don't schedule if we aborted the scan */
                                         priv->status &= ~STATUS_ROAMING;
                         } else if (priv->status & STATUS_SCAN_PENDING)
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan, 0);
+                                schedule_delayed_work(&priv->request_scan, 0);
                         else if (priv->config & CFG_BACKGROUND_SCAN
                                  && priv->status & STATUS_ASSOCIATED)
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan,
-                                                   round_jiffies_relative(HZ));
+                                schedule_delayed_work(&priv->request_scan,
+                                                      round_jiffies_relative(HZ));
 
                         /* Send an empty event to user space.
                          * We don't send the received data on the event because
@@ -5192,7 +5171,7 @@ static void ipw_rx_queue_restock(struct ipw_priv *priv)
         /* If the pre-allocated buffer pool is dropping low, schedule to
          * refill it */
         if (rxq->free_count <= RX_LOW_WATERMARK)
-                queue_work(priv->workqueue, &priv->rx_replenish);
+                schedule_work(&priv->rx_replenish);
 
         /* If we've added more space for the firmware to place data, tell it */
         if (write != rxq->write)
@@ -6133,8 +6112,8 @@ static void ipw_adhoc_check(void *data)
                 return;
         }
 
-        queue_delayed_work(priv->workqueue, &priv->adhoc_check,
-                           le16_to_cpu(priv->assoc_request.beacon_interval));
+        schedule_delayed_work(&priv->adhoc_check,
+                              le16_to_cpu(priv->assoc_request.beacon_interval));
 }
 
 static void ipw_bg_adhoc_check(struct work_struct *work)
@@ -6523,8 +6502,7 @@ send_request:
         } else
                 priv->status &= ~STATUS_SCAN_PENDING;
 
-        queue_delayed_work(priv->workqueue, &priv->scan_check,
-                           IPW_SCAN_CHECK_WATCHDOG);
+        schedule_delayed_work(&priv->scan_check, IPW_SCAN_CHECK_WATCHDOG);
 done:
         mutex_unlock(&priv->mutex);
         return err;
@@ -6994,8 +6972,7 @@ static int ipw_qos_handle_probe_response(struct ipw_priv *priv,
                                     !memcmp(network->ssid,
                                             priv->assoc_network->ssid,
                                             network->ssid_len)) {
-                                        queue_work(priv->workqueue,
-                                                   &priv->merge_networks);
+                                        schedule_work(&priv->merge_networks);
                                 }
         }
 
@@ -7663,7 +7640,7 @@ static int ipw_associate(void *data)
         if (priv->status & STATUS_DISASSOCIATING) {
                 IPW_DEBUG_ASSOC("Not attempting association (in "
                                 "disassociating)\n ");
-                queue_work(priv->workqueue, &priv->associate);
+                schedule_work(&priv->associate);
                 return 0;
         }
 
@@ -7731,12 +7708,10 @@ static int ipw_associate(void *data)
 
                 if (!(priv->status & STATUS_SCANNING)) {
                         if (!(priv->config & CFG_SPEED_SCAN))
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan,
-                                                   SCAN_INTERVAL);
+                                schedule_delayed_work(&priv->request_scan,
+                                                      SCAN_INTERVAL);
                         else
-                                queue_delayed_work(priv->workqueue,
-                                                   &priv->request_scan, 0);
+                                schedule_delayed_work(&priv->request_scan, 0);
                 }
 
                 return 0;
@@ -8899,7 +8874,7 @@ static int ipw_wx_set_mode(struct net_device *dev,
 
         priv->ieee->iw_mode = wrqu->mode;
 
-        queue_work(priv->workqueue, &priv->adapter_restart);
+        schedule_work(&priv->adapter_restart);
         mutex_unlock(&priv->mutex);
         return err;
 }
@@ -9598,7 +9573,7 @@ static int ipw_wx_set_scan(struct net_device *dev,
 
         IPW_DEBUG_WX("Start scan\n");
 
-        queue_delayed_work(priv->workqueue, work, 0);
+        schedule_delayed_work(work, 0);
 
         return 0;
 }
@@ -9937,7 +9912,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
 #else
                         priv->net_dev->type = ARPHRD_IEEE80211;
 #endif
-                        queue_work(priv->workqueue, &priv->adapter_restart);
+                        schedule_work(&priv->adapter_restart);
                 }
 
                 ipw_set_channel(priv, parms[1]);
@@ -9947,7 +9922,7 @@ static int ipw_wx_set_monitor(struct net_device *dev,
                         return 0;
                 }
                 priv->net_dev->type = ARPHRD_ETHER;
-                queue_work(priv->workqueue, &priv->adapter_restart);
+                schedule_work(&priv->adapter_restart);
         }
         mutex_unlock(&priv->mutex);
         return 0;
@@ -9961,7 +9936,7 @@ static int ipw_wx_reset(struct net_device *dev,
 {
         struct ipw_priv *priv = libipw_priv(dev);
         IPW_DEBUG_WX("RESET\n");
-        queue_work(priv->workqueue, &priv->adapter_restart);
+        schedule_work(&priv->adapter_restart);
         return 0;
 }
 
@@ -10551,7 +10526,7 @@ static int ipw_net_set_mac_address(struct net_device *dev, void *p)
         memcpy(priv->mac_addr, addr->sa_data, ETH_ALEN);
         printk(KERN_INFO "%s: Setting MAC to %pM\n",
                priv->net_dev->name, priv->mac_addr);
-        queue_work(priv->workqueue, &priv->adapter_restart);
+        schedule_work(&priv->adapter_restart);
         mutex_unlock(&priv->mutex);
         return 0;
 }
@@ -10684,9 +10659,7 @@ static void ipw_rf_kill(void *adapter)
 
         if (rf_kill_active(priv)) {
                 IPW_DEBUG_RF_KILL("RF Kill active, rescheduling GPIO check\n");
-                if (priv->workqueue)
-                        queue_delayed_work(priv->workqueue,
-                                           &priv->rf_kill, 2 * HZ);
+                schedule_delayed_work(&priv->rf_kill, 2 * HZ);
                 goto exit_unlock;
         }
 
@@ -10697,7 +10670,7 @@ static void ipw_rf_kill(void *adapter)
                                   "device\n");
 
                 /* we can not do an adapter restart while inside an irq lock */
-                queue_work(priv->workqueue, &priv->adapter_restart);
+                schedule_work(&priv->adapter_restart);
         } else
                 IPW_DEBUG_RF_KILL("HW RF Kill deactivated.  SW RF Kill still "
                                   "enabled\n");
@@ -10735,7 +10708,7 @@ static void ipw_link_up(struct ipw_priv *priv)
         notify_wx_assoc_event(priv);
 
         if (priv->config & CFG_BACKGROUND_SCAN)
-                queue_delayed_work(priv->workqueue, &priv->request_scan, HZ);
+                schedule_delayed_work(&priv->request_scan, HZ);
 }
 
 static void ipw_bg_link_up(struct work_struct *work)
@@ -10764,7 +10737,7 @@ static void ipw_link_down(struct ipw_priv *priv)
 
         if (!(priv->status & STATUS_EXIT_PENDING)) {
                 /* Queue up another scan... */
-                queue_delayed_work(priv->workqueue, &priv->request_scan, 0);
+                schedule_delayed_work(&priv->request_scan, 0);
         } else
                 cancel_delayed_work(&priv->scan_event);
 }
@@ -10782,7 +10755,6 @@ static int __devinit ipw_setup_deferred_work(struct ipw_priv *priv)
 {
         int ret = 0;
 
-        priv->workqueue = create_workqueue(DRV_NAME);
         init_waitqueue_head(&priv->wait_command_queue);
         init_waitqueue_head(&priv->wait_state);
 
@@ -11339,8 +11311,7 @@ static int ipw_up(struct ipw_priv *priv)
                         IPW_WARNING("Radio Frequency Kill Switch is On:\n"
                                     "Kill switch must be turned off for "
                                     "wireless networking to work.\n");
-                        queue_delayed_work(priv->workqueue, &priv->rf_kill,
-                                           2 * HZ);
+                        schedule_delayed_work(&priv->rf_kill, 2 * HZ);
                         return 0;
                 }
 
@@ -11350,8 +11321,7 @@ static int ipw_up(struct ipw_priv *priv)
 
                         /* If configure to try and auto-associate, kick
                          * off a scan. */
-                        queue_delayed_work(priv->workqueue,
-                                           &priv->request_scan, 0);
+                        schedule_delayed_work(&priv->request_scan, 0);
 
                         return 0;
                 }
@@ -11817,7 +11787,7 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
         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;
+                goto out_iounmap;
         }
 
         SET_NETDEV_DEV(net_dev, &pdev->dev);
@@ -11885,9 +11855,6 @@ static int __devinit ipw_pci_probe(struct pci_dev *pdev,
         sysfs_remove_group(&pdev->dev.kobj, &ipw_attribute_group);
       out_release_irq:
         free_irq(pdev->irq, priv);
-      out_destroy_workqueue:
-        destroy_workqueue(priv->workqueue);
-        priv->workqueue = NULL;
       out_iounmap:
         iounmap(priv->hw_base);
       out_pci_release_regions:
@@ -11930,18 +11897,31 @@ static void __devexit ipw_pci_remove(struct pci_dev *pdev)
                 kfree(priv->cmdlog);
                 priv->cmdlog = NULL;
         }
-        /* ipw_down will ensure that there is no more pending work
-         * in the workqueue's, so we can safely remove them now. */
-        cancel_delayed_work(&priv->adhoc_check);
-        cancel_delayed_work(&priv->gather_stats);
-        cancel_delayed_work(&priv->request_scan);
-        cancel_delayed_work(&priv->request_direct_scan);
-        cancel_delayed_work(&priv->request_passive_scan);
-        cancel_delayed_work(&priv->scan_event);
-        cancel_delayed_work(&priv->rf_kill);
-        cancel_delayed_work(&priv->scan_check);
-        destroy_workqueue(priv->workqueue);
-        priv->workqueue = NULL;
+
+        /* make sure all works are inactive */
+        cancel_delayed_work_sync(&priv->adhoc_check);
+        cancel_work_sync(&priv->associate);
+        cancel_work_sync(&priv->disassociate);
+        cancel_work_sync(&priv->system_config);
+        cancel_work_sync(&priv->rx_replenish);
+        cancel_work_sync(&priv->adapter_restart);
+        cancel_delayed_work_sync(&priv->rf_kill);
+        cancel_work_sync(&priv->up);
+        cancel_work_sync(&priv->down);
+        cancel_delayed_work_sync(&priv->request_scan);
+        cancel_delayed_work_sync(&priv->request_direct_scan);
+        cancel_delayed_work_sync(&priv->request_passive_scan);
+        cancel_delayed_work_sync(&priv->scan_event);
+        cancel_delayed_work_sync(&priv->gather_stats);
+        cancel_work_sync(&priv->abort_scan);
+        cancel_work_sync(&priv->roam);
+        cancel_delayed_work_sync(&priv->scan_check);
+        cancel_work_sync(&priv->link_up);
+        cancel_work_sync(&priv->link_down);
+        cancel_delayed_work_sync(&priv->led_link_on);
+        cancel_delayed_work_sync(&priv->led_link_off);
+        cancel_delayed_work_sync(&priv->led_act_off);
+        cancel_work_sync(&priv->merge_networks);
 
         /* Free MAC hash list for ADHOC */
         for (i = 0; i < IPW_IBSS_MAC_HASH_SIZE; i++) {
@@ -12029,7 +12009,7 @@ static int ipw_pci_resume(struct pci_dev *pdev)
         priv->suspend_time = get_seconds() - priv->suspend_at;
 
         /* Bring the device back up */
-        queue_work(priv->workqueue, &priv->up);
+        schedule_work(&priv->up);
 
         return 0;
 }
diff --git a/drivers/net/wireless/ipw2x00/ipw2200.h b/drivers/net/wireless/ipw2x00/ipw2200.h
index d7d049c7a4f..0441445b8bf 100644
--- a/drivers/net/wireless/ipw2x00/ipw2200.h
+++ b/drivers/net/wireless/ipw2x00/ipw2200.h
@@ -1299,8 +1299,6 @@ struct ipw_priv {
         u8 direct_scan_ssid[IW_ESSID_MAX_SIZE];
         u8 direct_scan_ssid_len;
 
-        struct workqueue_struct *workqueue;
-
         struct delayed_work adhoc_check;
         struct work_struct associate;
         struct work_struct disassociate;
diff --git a/drivers/of/Kconfig b/drivers/of/Kconfig
index 3c6e100a3ad..d06a6374ed6 100644
--- a/drivers/of/Kconfig
+++ b/drivers/of/Kconfig
@@ -69,4 +69,10 @@ config OF_MDIO
         help
           OpenFirmware MDIO bus (Ethernet PHY) accessors
 
+config OF_PCI
+        def_tristate PCI
+        depends on PCI && (PPC || MICROBLAZE || X86)
+        help
+          OpenFirmware PCI bus accessors
+
 endmenu # OF
diff --git a/drivers/of/Makefile b/drivers/of/Makefile
index 3ab21a0a490..f7861ed2f28 100644
--- a/drivers/of/Makefile
+++ b/drivers/of/Makefile
@@ -9,3 +9,4 @@ obj-$(CONFIG_OF_I2C)	+= of_i2c.o
 obj-$(CONFIG_OF_NET)    += of_net.o
 obj-$(CONFIG_OF_SPI)    += of_spi.o
 obj-$(CONFIG_OF_MDIO)   += of_mdio.o
+obj-$(CONFIG_OF_PCI)    += of_pci.o
diff --git a/drivers/of/of_pci.c b/drivers/of/of_pci.c
new file mode 100644
index 00000000000..ac1ec54e4fd
--- /dev/null
+++ b/drivers/of/of_pci.c
@@ -0,0 +1,92 @@
+#include <linux/kernel.h>
+#include <linux/of_pci.h>
+#include <linux/of_irq.h>
+#include <asm/prom.h>
+
+/**
+ * of_irq_map_pci - Resolve the interrupt for a PCI device
+ * @pdev:       the device whose interrupt is to be resolved
+ * @out_irq:    structure of_irq filled by this function
+ *
+ * This function resolves the PCI interrupt for a given PCI device. If a
+ * device-node exists for a given pci_dev, it will use normal OF tree
+ * walking. If not, it will implement standard swizzling and walk up the
+ * PCI tree until an device-node is found, at which point it will finish
+ * resolving using the OF tree walking.
+ */
+int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
+{
+        struct device_node *dn, *ppnode;
+        struct pci_dev *ppdev;
+        u32 lspec;
+        __be32 lspec_be;
+        __be32 laddr[3];
+        u8 pin;
+        int rc;
+
+        /* Check if we have a device node, if yes, fallback to standard
+         * device tree parsing
+         */
+        dn = pci_device_to_OF_node(pdev);
+        if (dn) {
+                rc = of_irq_map_one(dn, 0, out_irq);
+                if (!rc)
+                        return rc;
+        }
+
+        /* Ok, we don't, time to have fun. Let's start by building up an
+         * interrupt spec.  we assume #interrupt-cells is 1, which is standard
+         * for PCI. If you do different, then don't use that routine.
+         */
+        rc = pci_read_config_byte(pdev, PCI_INTERRUPT_PIN, &pin);
+        if (rc != 0)
+                return rc;
+        /* No pin, exit */
+        if (pin == 0)
+                return -ENODEV;
+
+        /* Now we walk up the PCI tree */
+        lspec = pin;
+        for (;;) {
+                /* Get the pci_dev of our parent */
+                ppdev = pdev->bus->self;
+
+                /* Ouch, it's a host bridge... */
+                if (ppdev == NULL) {
+                        ppnode = pci_bus_to_OF_node(pdev->bus);
+
+                        /* No node for host bridge ? give up */
+                        if (ppnode == NULL)
+                                return -EINVAL;
+                } else {
+                        /* We found a P2P bridge, check if it has a node */
+                        ppnode = pci_device_to_OF_node(ppdev);
+                }
+
+                /* Ok, we have found a parent with a device-node, hand over to
+                 * the OF parsing code.
+                 * We build a unit address from the linux device to be used for
+                 * resolution. Note that we use the linux bus number which may
+                 * not match your firmware bus numbering.
+                 * Fortunately, in most cases, interrupt-map-mask doesn't
+                 * include the bus number as part of the matching.
+                 * You should still be careful about that though if you intend
+                 * to rely on this function (you ship  a firmware that doesn't
+                 * create device nodes for all PCI devices).
+                 */
+                if (ppnode)
+                        break;
+
+                /* We can only get here if we hit a P2P bridge with no node,
+                 * let's do standard swizzling and try again
+                 */
+                lspec = pci_swizzle_interrupt_pin(pdev, lspec);
+                pdev = ppdev;
+        }
+
+        lspec_be = cpu_to_be32(lspec);
+        laddr[0] = cpu_to_be32((pdev->bus->number << 16) | (pdev->devfn << 8));
+        laddr[1]  = laddr[2] = cpu_to_be32(0);
+        return of_irq_map_raw(ppnode, &lspec_be, 1, laddr, out_irq);
+}
+EXPORT_SYMBOL_GPL(of_irq_map_pci);
diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
index 3a5a6fcc0ea..492b7d807fe 100644
--- a/drivers/pci/xen-pcifront.c
+++ b/drivers/pci/xen-pcifront.c
@@ -243,7 +243,7 @@ struct pci_ops pcifront_bus_ops = {
 
 #ifdef CONFIG_PCI_MSI
 static int pci_frontend_enable_msix(struct pci_dev *dev,
-                                    int **vector, int nvec)
+                                    int vector[], int nvec)
 {
         int err;
         int i;
@@ -277,18 +277,24 @@ static int pci_frontend_enable_msix(struct pci_dev *dev,
         if (likely(!err)) {
                 if (likely(!op.value)) {
                         /* we get the result */
-                        for (i = 0; i < nvec; i++)
-                                *(*vector+i) = op.msix_entries[i].vector;
-                        return 0;
+                        for (i = 0; i < nvec; i++) {
+                                if (op.msix_entries[i].vector <= 0) {
+                                        dev_warn(&dev->dev, "MSI-X entry %d is invalid: %d!\n",
+                                                i, op.msix_entries[i].vector);
+                                        err = -EINVAL;
+                                        vector[i] = -1;
+                                        continue;
+                                }
+                                vector[i] = op.msix_entries[i].vector;
+                        }
                 } else {
                         printk(KERN_DEBUG "enable msix get value %x\n",
                                 op.value);
-                        return op.value;
                 }
         } else {
                 dev_err(&dev->dev, "enable msix get err %x\n", err);
-                return err;
         }
+        return err;
 }
 
 static void pci_frontend_disable_msix(struct pci_dev *dev)
@@ -310,7 +316,7 @@ static void pci_frontend_disable_msix(struct pci_dev *dev)
                 dev_err(&dev->dev, "pci_disable_msix get err %x\n", err);
 }
 
-static int pci_frontend_enable_msi(struct pci_dev *dev, int **vector)
+static int pci_frontend_enable_msi(struct pci_dev *dev, int vector[])
 {
         int err;
         struct xen_pci_op op = {
@@ -324,7 +330,13 @@ static int pci_frontend_enable_msi(struct pci_dev *dev, int **vector)
 
         err = do_pci_op(pdev, &op);
         if (likely(!err)) {
-                *(*vector) = op.value;
+                vector[0] = op.value;
+                if (op.value <= 0) {
+                        dev_warn(&dev->dev, "MSI entry is invalid: %d!\n",
+                                op.value);
+                        err = -EINVAL;
+                        vector[0] = -1;
+                }
         } else {
                 dev_err(&dev->dev, "pci frontend enable msi failed for dev "
                                     "%x:%x\n", op.bus, op.devfn);
@@ -733,8 +745,7 @@ static void free_pdev(struct pcifront_device *pdev)
 
         pcifront_free_roots(pdev);
 
-        /*For PCIE_AER error handling job*/
-        flush_scheduled_work();
+        cancel_work_sync(&pdev->op_work);
 
         if (pdev->irq >= 0)
                 unbind_from_irqhandler(pdev->irq, pdev);
diff --git a/drivers/rtc/class.c b/drivers/rtc/class.c
index c404b61386b..09b4437b3e6 100644
--- a/drivers/rtc/class.c
+++ b/drivers/rtc/class.c
@@ -117,6 +117,7 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
                                         struct module *owner)
 {
         struct rtc_device *rtc;
+        struct rtc_wkalrm alrm;
         int id, err;
 
         if (idr_pre_get(&rtc_idr, GFP_KERNEL) == 0) {
@@ -166,6 +167,12 @@ struct rtc_device *rtc_device_register(const char *name, struct device *dev,
         rtc->pie_timer.function = rtc_pie_update_irq;
         rtc->pie_enabled = 0;
 
+        /* Check to see if there is an ALARM already set in hw */
+        err = __rtc_read_alarm(rtc, &alrm);
+
+        if (!err && !rtc_valid_tm(&alrm.time))
+                rtc_set_alarm(rtc, &alrm);
+
         strlcpy(rtc->name, name, RTC_DEVICE_NAME_SIZE);
         dev_set_name(&rtc->dev, "rtc%d", id);
 
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index cb2f0728fd7..8ec6b069a7f 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -116,6 +116,186 @@ int rtc_set_mmss(struct rtc_device *rtc, unsigned long secs)
 }
 EXPORT_SYMBOL_GPL(rtc_set_mmss);
 
+static int rtc_read_alarm_internal(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+        int err;
+
+        err = mutex_lock_interruptible(&rtc->ops_lock);
+        if (err)
+                return err;
+
+        if (rtc->ops == NULL)
+                err = -ENODEV;
+        else if (!rtc->ops->read_alarm)
+                err = -EINVAL;
+        else {
+                memset(alarm, 0, sizeof(struct rtc_wkalrm));
+                err = rtc->ops->read_alarm(rtc->dev.parent, alarm);
+        }
+
+        mutex_unlock(&rtc->ops_lock);
+        return err;
+}
+
+int __rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
+{
+        int err;
+        struct rtc_time before, now;
+        int first_time = 1;
+        unsigned long t_now, t_alm;
+        enum { none, day, month, year } missing = none;
+        unsigned days;
+
+        /* The lower level RTC driver may return -1 in some fields,
+         * creating invalid alarm->time values, for reasons like:
+         *
+         *   - The hardware may not be capable of filling them in;
+         *     many alarms match only on time-of-day fields, not
+         *     day/month/year calendar data.
+         *
+         *   - Some hardware uses illegal values as "wildcard" match
+         *     values, which non-Linux firmware (like a BIOS) may try
+         *     to set up as e.g. "alarm 15 minutes after each hour".
+         *     Linux uses only oneshot alarms.
+         *
+         * When we see that here, we deal with it by using values from
+         * a current RTC timestamp for any missing (-1) values.  The
+         * RTC driver prevents "periodic alarm" modes.
+         *
+         * But this can be racey, because some fields of the RTC timestamp
+         * may have wrapped in the interval since we read the RTC alarm,
+         * which would lead to us inserting inconsistent values in place
+         * of the -1 fields.
+         *
+         * Reading the alarm and timestamp in the reverse sequence
+         * would have the same race condition, and not solve the issue.
+         *
+         * So, we must first read the RTC timestamp,
+         * then read the RTC alarm value,
+         * and then read a second RTC timestamp.
+         *
+         * If any fields of the second timestamp have changed
+         * when compared with the first timestamp, then we know
+         * our timestamp may be inconsistent with that used by
+         * the low-level rtc_read_alarm_internal() function.
+         *
+         * So, when the two timestamps disagree, we just loop and do
+         * the process again to get a fully consistent set of values.
+         *
+         * This could all instead be done in the lower level driver,
+         * but since more than one lower level RTC implementation needs it,
+         * then it's probably best best to do it here instead of there..
+         */
+
+        /* Get the "before" timestamp */
+        err = rtc_read_time(rtc, &before);
+        if (err < 0)
+                return err;
+        do {
+                if (!first_time)
+                        memcpy(&before, &now, sizeof(struct rtc_time));
+                first_time = 0;
+
+                /* get the RTC alarm values, which may be incomplete */
+                err = rtc_read_alarm_internal(rtc, alarm);
+                if (err)
+                        return err;
+
+                /* full-function RTCs won't have such missing fields */
+                if (rtc_valid_tm(&alarm->time) == 0)
+                        return 0;
+
+                /* get the "after" timestamp, to detect wrapped fields */
+                err = rtc_read_time(rtc, &now);
+                if (err < 0)
+                        return err;
+
+                /* note that tm_sec is a "don't care" value here: */
+        } while (   before.tm_min   != now.tm_min
+                 || before.tm_hour  != now.tm_hour
+                 || before.tm_mon   != now.tm_mon
+                 || before.tm_year  != now.tm_year);
+
+        /* Fill in the missing alarm fields using the timestamp; we
+         * know there's at least one since alarm->time is invalid.
+         */
+        if (alarm->time.tm_sec == -1)
+                alarm->time.tm_sec = now.tm_sec;
+        if (alarm->time.tm_min == -1)
+                alarm->time.tm_min = now.tm_min;
+        if (alarm->time.tm_hour == -1)
+                alarm->time.tm_hour = now.tm_hour;
+
+        /* For simplicity, only support date rollover for now */
+        if (alarm->time.tm_mday == -1) {
+                alarm->time.tm_mday = now.tm_mday;
+                missing = day;
+        }
+        if (alarm->time.tm_mon == -1) {
+                alarm->time.tm_mon = now.tm_mon;
+                if (missing == none)
+                        missing = month;
+        }
+        if (alarm->time.tm_year == -1) {
+                alarm->time.tm_year = now.tm_year;
+                if (missing == none)
+                        missing = year;
+        }
+
+        /* with luck, no rollover is needed */
+        rtc_tm_to_time(&now, &t_now);
+        rtc_tm_to_time(&alarm->time, &t_alm);
+        if (t_now < t_alm)
+                goto done;
+
+        switch (missing) {
+
+        /* 24 hour rollover ... if it's now 10am Monday, an alarm that
+         * that will trigger at 5am will do so at 5am Tuesday, which
+         * could also be in the next month or year.  This is a common
+         * case, especially for PCs.
+         */
+        case day:
+                dev_dbg(&rtc->dev, "alarm rollover: %s\n", "day");
+                t_alm += 24 * 60 * 60;
+                rtc_time_to_tm(t_alm, &alarm->time);
+                break;
+
+        /* Month rollover ... if it's the 31th, an alarm on the 3rd will
+         * be next month.  An alarm matching on the 30th, 29th, or 28th
+         * may end up in the month after that!  Many newer PCs support
+         * this type of alarm.
+         */
+        case month:
+                dev_dbg(&rtc->dev, "alarm rollover: %s\n", "month");
+                do {
+                        if (alarm->time.tm_mon < 11)
+                                alarm->time.tm_mon++;
+                        else {
+                                alarm->time.tm_mon = 0;
+                                alarm->time.tm_year++;
+                        }
+                        days = rtc_month_days(alarm->time.tm_mon,
+                                        alarm->time.tm_year);
+                } while (days < alarm->time.tm_mday);
+                break;
+
+        /* Year rollover ... easy except for leap years! */
+        case year:
+                dev_dbg(&rtc->dev, "alarm rollover: %s\n", "year");
+                do {
+                        alarm->time.tm_year++;
+                } while (rtc_valid_tm(&alarm->time) != 0);
+                break;
+
+        default:
+                dev_warn(&rtc->dev, "alarm rollover not handled\n");
+        }
+
+done:
+        return 0;
+}
+
 int rtc_read_alarm(struct rtc_device *rtc, struct rtc_wkalrm *alarm)
 {
         int err;
diff --git a/drivers/rtc/rtc-at91rm9200.c b/drivers/rtc/rtc-at91rm9200.c
index 26d1cf5d19a..518a76ec71c 100644
--- a/drivers/rtc/rtc-at91rm9200.c
+++ b/drivers/rtc/rtc-at91rm9200.c
@@ -183,33 +183,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         return 0;
 }
 
-/*
- * Handle commands from user-space
- */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
-                        unsigned long arg)
-{
-        int ret = 0;
-
-        pr_debug("%s(): cmd=%08x, arg=%08lx.\n", __func__, cmd, arg);
-
-        /* important:  scrub old status before enabling IRQs */
-        switch (cmd) {
-        case RTC_UIE_OFF:       /* update off */
-                at91_sys_write(AT91_RTC_IDR, AT91_RTC_SECEV);
-                break;
-        case RTC_UIE_ON:        /* update on */
-                at91_sys_write(AT91_RTC_SCCR, AT91_RTC_SECEV);
-                at91_sys_write(AT91_RTC_IER, AT91_RTC_SECEV);
-                break;
-        default:
-                ret = -ENOIOCTLCMD;
-                break;
-        }
-
-        return ret;
-}
-
 static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         pr_debug("%s(): cmd=%08x\n", __func__, enabled);
@@ -269,7 +242,6 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *dev_id)
 }
 
 static const struct rtc_class_ops at91_rtc_ops = {
-        .ioctl          = at91_rtc_ioctl,
         .read_time      = at91_rtc_readtime,
         .set_time       = at91_rtc_settime,
         .read_alarm     = at91_rtc_readalarm,
diff --git a/drivers/rtc/rtc-at91sam9.c b/drivers/rtc/rtc-at91sam9.c
index 5469c52cba3..a3ad957507d 100644
--- a/drivers/rtc/rtc-at91sam9.c
+++ b/drivers/rtc/rtc-at91sam9.c
@@ -216,33 +216,6 @@ static int at91_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         return 0;
 }
 
-/*
- * Handle commands from user-space
- */
-static int at91_rtc_ioctl(struct device *dev, unsigned int cmd,
-                        unsigned long arg)
-{
-        struct sam9_rtc *rtc = dev_get_drvdata(dev);
-        int ret = 0;
-        u32 mr = rtt_readl(rtc, MR);
-
-        dev_dbg(dev, "ioctl: cmd=%08x, arg=%08lx, mr %08x\n", cmd, arg, mr);
-
-        switch (cmd) {
-        case RTC_UIE_OFF:               /* update off */
-                rtt_writel(rtc, MR, mr & ~AT91_RTT_RTTINCIEN);
-                break;
-        case RTC_UIE_ON:                /* update on */
-                rtt_writel(rtc, MR, mr | AT91_RTT_RTTINCIEN);
-                break;
-        default:
-                ret = -ENOIOCTLCMD;
-                break;
-        }
-
-        return ret;
-}
-
 static int at91_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct sam9_rtc *rtc = dev_get_drvdata(dev);
@@ -303,7 +276,6 @@ static irqreturn_t at91_rtc_interrupt(int irq, void *_rtc)
 }
 
 static const struct rtc_class_ops at91_rtc_ops = {
-        .ioctl          = at91_rtc_ioctl,
         .read_time      = at91_rtc_readtime,
         .set_time       = at91_rtc_settime,
         .read_alarm     = at91_rtc_readalarm,
diff --git a/drivers/rtc/rtc-bfin.c b/drivers/rtc/rtc-bfin.c
index 17971d93354..ca9cff85ab8 100644
--- a/drivers/rtc/rtc-bfin.c
+++ b/drivers/rtc/rtc-bfin.c
@@ -240,32 +240,6 @@ static void bfin_rtc_int_set_alarm(struct bfin_rtc *rtc)
          */
         bfin_rtc_int_set(rtc->rtc_alarm.tm_yday == -1 ? RTC_ISTAT_ALARM : RTC_ISTAT_ALARM_DAY);
 }
-static int bfin_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-        struct bfin_rtc *rtc = dev_get_drvdata(dev);
-        int ret = 0;
-
-        dev_dbg_stamp(dev);
-
-        bfin_rtc_sync_pending(dev);
-
-        switch (cmd) {
-        case RTC_UIE_ON:
-                dev_dbg_stamp(dev);
-                bfin_rtc_int_set(RTC_ISTAT_SEC);
-                break;
-        case RTC_UIE_OFF:
-                dev_dbg_stamp(dev);
-                bfin_rtc_int_clear(~RTC_ISTAT_SEC);
-                break;
-
-        default:
-                dev_dbg_stamp(dev);
-                ret = -ENOIOCTLCMD;
-        }
-
-        return ret;
-}
 
 static int bfin_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
@@ -358,7 +332,6 @@ static int bfin_rtc_proc(struct device *dev, struct seq_file *seq)
 }
 
 static struct rtc_class_ops bfin_rtc_ops = {
-        .ioctl         = bfin_rtc_ioctl,
         .read_time     = bfin_rtc_read_time,
         .set_time      = bfin_rtc_set_time,
         .read_alarm    = bfin_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-cmos.c b/drivers/rtc/rtc-cmos.c
index c7ff8df347e..911e75cdc12 100644
--- a/drivers/rtc/rtc-cmos.c
+++ b/drivers/rtc/rtc-cmos.c
@@ -37,6 +37,8 @@
 #include <linux/mod_devicetable.h>
 #include <linux/log2.h>
 #include <linux/pm.h>
+#include <linux/of.h>
+#include <linux/of_platform.h>
 
 /* this is for "generic access to PC-style RTC" using CMOS_READ/CMOS_WRITE */
 #include <asm-generic/rtc.h>
@@ -375,50 +377,6 @@ static int cmos_set_alarm(struct device *dev, struct rtc_wkalrm *t)
         return 0;
 }
 
-static int cmos_irq_set_freq(struct device *dev, int freq)
-{
-        struct cmos_rtc *cmos = dev_get_drvdata(dev);
-        int             f;
-        unsigned long   flags;
-
-        if (!is_valid_irq(cmos->irq))
-                return -ENXIO;
-
-        if (!is_power_of_2(freq))
-                return -EINVAL;
-        /* 0 = no irqs; 1 = 2^15 Hz ... 15 = 2^0 Hz */
-        f = ffs(freq);
-        if (f-- > 16)
-                return -EINVAL;
-        f = 16 - f;
-
-        spin_lock_irqsave(&rtc_lock, flags);
-        hpet_set_periodic_freq(freq);
-        CMOS_WRITE(RTC_REF_CLCK_32KHZ | f, RTC_FREQ_SELECT);
-        spin_unlock_irqrestore(&rtc_lock, flags);
-
-        return 0;
-}
-
-static int cmos_irq_set_state(struct device *dev, int enabled)
-{
-        struct cmos_rtc *cmos = dev_get_drvdata(dev);
-        unsigned long   flags;
-
-        if (!is_valid_irq(cmos->irq))
-                return -ENXIO;
-
-        spin_lock_irqsave(&rtc_lock, flags);
-
-        if (enabled)
-                cmos_irq_enable(cmos, RTC_PIE);
-        else
-                cmos_irq_disable(cmos, RTC_PIE);
-
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return 0;
-}
-
 static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct cmos_rtc *cmos = dev_get_drvdata(dev);
@@ -438,25 +396,6 @@ static int cmos_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int cmos_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct cmos_rtc *cmos = dev_get_drvdata(dev);
-        unsigned long   flags;
-
-        if (!is_valid_irq(cmos->irq))
-                return -EINVAL;
-
-        spin_lock_irqsave(&rtc_lock, flags);
-
-        if (enabled)
-                cmos_irq_enable(cmos, RTC_UIE);
-        else
-                cmos_irq_disable(cmos, RTC_UIE);
-
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return 0;
-}
-
 #if defined(CONFIG_RTC_INTF_PROC) || defined(CONFIG_RTC_INTF_PROC_MODULE)
 
 static int cmos_procfs(struct device *dev, struct seq_file *seq)
@@ -501,10 +440,7 @@ static const struct rtc_class_ops cmos_rtc_ops = {
         .read_alarm             = cmos_read_alarm,
         .set_alarm              = cmos_set_alarm,
         .proc                   = cmos_procfs,
-        .irq_set_freq           = cmos_irq_set_freq,
-        .irq_set_state          = cmos_irq_set_state,
         .alarm_irq_enable       = cmos_alarm_irq_enable,
-        .update_irq_enable      = cmos_update_irq_enable,
 };
 
 /*----------------------------------------------------------------*/
@@ -1123,6 +1059,47 @@ static struct pnp_driver cmos_pnp_driver = {
 
 #endif  /* CONFIG_PNP */
 
+#ifdef CONFIG_OF
+static const struct of_device_id of_cmos_match[] = {
+        {
+                .compatible = "motorola,mc146818",
+        },
+        { },
+};
+MODULE_DEVICE_TABLE(of, of_cmos_match);
+
+static __init void cmos_of_init(struct platform_device *pdev)
+{
+        struct device_node *node = pdev->dev.of_node;
+        struct rtc_time time;
+        int ret;
+        const __be32 *val;
+
+        if (!node)
+                return;
+
+        val = of_get_property(node, "ctrl-reg", NULL);
+        if (val)
+                CMOS_WRITE(be32_to_cpup(val), RTC_CONTROL);
+
+        val = of_get_property(node, "freq-reg", NULL);
+        if (val)
+                CMOS_WRITE(be32_to_cpup(val), RTC_FREQ_SELECT);
+
+        get_rtc_time(&time);
+        ret = rtc_valid_tm(&time);
+        if (ret) {
+                struct rtc_time def_time = {
+                        .tm_year = 1,
+                        .tm_mday = 1,
+                };
+                set_rtc_time(&def_time);
+        }
+}
+#else
+static inline void cmos_of_init(struct platform_device *pdev) {}
+#define of_cmos_match NULL
+#endif
 /*----------------------------------------------------------------*/
 
 /* Platform setup should have set up an RTC device, when PNP is
@@ -1131,6 +1108,7 @@ static struct pnp_driver cmos_pnp_driver = {
 
 static int __init cmos_platform_probe(struct platform_device *pdev)
 {
+        cmos_of_init(pdev);
         cmos_wake_setup(&pdev->dev);
         return cmos_do_probe(&pdev->dev,
                         platform_get_resource(pdev, IORESOURCE_IO, 0),
@@ -1162,6 +1140,7 @@ static struct platform_driver cmos_platform_driver = {
 #ifdef CONFIG_PM
                 .pm             = &cmos_pm_ops,
 #endif
+                .of_match_table = of_cmos_match,
         }
 };
 
diff --git a/drivers/rtc/rtc-davinci.c b/drivers/rtc/rtc-davinci.c
index 34647fc1ee9..8d46838dff8 100644
--- a/drivers/rtc/rtc-davinci.c
+++ b/drivers/rtc/rtc-davinci.c
@@ -231,10 +231,6 @@ davinci_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
         case RTC_WIE_OFF:
                 rtc_ctrl &= ~PRTCSS_RTC_CTRL_WEN;
                 break;
-        case RTC_UIE_OFF:
-        case RTC_UIE_ON:
-                ret = -ENOTTY;
-                break;
         default:
                 ret = -ENOIOCTLCMD;
         }
@@ -473,55 +469,6 @@ static int davinci_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
         return 0;
 }
 
-static int davinci_rtc_irq_set_state(struct device *dev, int enabled)
-{
-        struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev);
-        unsigned long flags;
-        u8 rtc_ctrl;
-
-        spin_lock_irqsave(&davinci_rtc_lock, flags);
-
-        rtc_ctrl = rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL);
-
-        if (enabled) {
-                while (rtcss_read(davinci_rtc, PRTCSS_RTC_CTRL)
-                       & PRTCSS_RTC_CTRL_WDTBUS)
-                        cpu_relax();
-
-                rtc_ctrl |= PRTCSS_RTC_CTRL_TE;
-                rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL);
-
-                rtcss_write(davinci_rtc, 0x0, PRTCSS_RTC_CLKC_CNT);
-
-                rtc_ctrl |= PRTCSS_RTC_CTRL_TIEN |
-                            PRTCSS_RTC_CTRL_TMMD |
-                            PRTCSS_RTC_CTRL_TMRFLG;
-        } else
-                rtc_ctrl &= ~PRTCSS_RTC_CTRL_TIEN;
-
-        rtcss_write(davinci_rtc, rtc_ctrl, PRTCSS_RTC_CTRL);
-
-        spin_unlock_irqrestore(&davinci_rtc_lock, flags);
-
-        return 0;
-}
-
-static int davinci_rtc_irq_set_freq(struct device *dev, int freq)
-{
-        struct davinci_rtc *davinci_rtc = dev_get_drvdata(dev);
-        unsigned long flags;
-        u16 tmr_counter = (0x8000 >> (ffs(freq) - 1));
-
-        spin_lock_irqsave(&davinci_rtc_lock, flags);
-
-        rtcss_write(davinci_rtc, tmr_counter & 0xFF, PRTCSS_RTC_TMR0);
-        rtcss_write(davinci_rtc, (tmr_counter & 0xFF00) >> 8, PRTCSS_RTC_TMR1);
-
-        spin_unlock_irqrestore(&davinci_rtc_lock, flags);
-
-        return 0;
-}
-
 static struct rtc_class_ops davinci_rtc_ops = {
         .ioctl                  = davinci_rtc_ioctl,
         .read_time              = davinci_rtc_read_time,
@@ -529,8 +476,6 @@ static struct rtc_class_ops davinci_rtc_ops = {
         .alarm_irq_enable       = davinci_rtc_alarm_irq_enable,
         .read_alarm             = davinci_rtc_read_alarm,
         .set_alarm              = davinci_rtc_set_alarm,
-        .irq_set_state          = davinci_rtc_irq_set_state,
-        .irq_set_freq           = davinci_rtc_irq_set_freq,
 };
 
 static int __init davinci_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-ds1511.c b/drivers/rtc/rtc-ds1511.c
index 37268e97de4..3fffd708711 100644
--- a/drivers/rtc/rtc-ds1511.c
+++ b/drivers/rtc/rtc-ds1511.c
@@ -397,29 +397,12 @@ static int ds1511_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int ds1511_rtc_update_irq_enable(struct device *dev,
-        unsigned int enabled)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
-
-        if (pdata->irq <= 0)
-                return -EINVAL;
-        if (enabled)
-                pdata->irqen |= RTC_UF;
-        else
-                pdata->irqen &= ~RTC_UF;
-        ds1511_rtc_update_alarm(pdata);
-        return 0;
-}
-
 static const struct rtc_class_ops ds1511_rtc_ops = {
         .read_time              = ds1511_rtc_read_time,
         .set_time               = ds1511_rtc_set_time,
         .read_alarm             = ds1511_rtc_read_alarm,
         .set_alarm              = ds1511_rtc_set_alarm,
         .alarm_irq_enable       = ds1511_rtc_alarm_irq_enable,
-        .update_irq_enable      = ds1511_rtc_update_irq_enable,
 };
 
  static ssize_t
diff --git a/drivers/rtc/rtc-ds1553.c b/drivers/rtc/rtc-ds1553.c
index ff432e2ca27..fee41b97c9e 100644
--- a/drivers/rtc/rtc-ds1553.c
+++ b/drivers/rtc/rtc-ds1553.c
@@ -227,29 +227,12 @@ static int ds1553_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int ds1553_rtc_update_irq_enable(struct device *dev,
-        unsigned int enabled)
-{
-        struct platform_device *pdev = to_platform_device(dev);
-        struct rtc_plat_data *pdata = platform_get_drvdata(pdev);
-
-        if (pdata->irq <= 0)
-                return -EINVAL;
-        if (enabled)
-                pdata->irqen |= RTC_UF;
-        else
-                pdata->irqen &= ~RTC_UF;
-        ds1553_rtc_update_alarm(pdata);
-        return 0;
-}
-
 static const struct rtc_class_ops ds1553_rtc_ops = {
         .read_time              = ds1553_rtc_read_time,
         .set_time               = ds1553_rtc_set_time,
         .read_alarm             = ds1553_rtc_read_alarm,
         .set_alarm              = ds1553_rtc_set_alarm,
         .alarm_irq_enable       = ds1553_rtc_alarm_irq_enable,
-        .update_irq_enable      = ds1553_rtc_update_irq_enable,
 };
 
 static ssize_t ds1553_nvram_read(struct file *filp, struct kobject *kobj,
diff --git a/drivers/rtc/rtc-ds3232.c b/drivers/rtc/rtc-ds3232.c
index 950735415a7..27b7bf672ac 100644
--- a/drivers/rtc/rtc-ds3232.c
+++ b/drivers/rtc/rtc-ds3232.c
@@ -339,23 +339,6 @@ static int ds3232_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int ds3232_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct i2c_client *client = to_i2c_client(dev);
-        struct ds3232 *ds3232 = i2c_get_clientdata(client);
-
-        if (client->irq <= 0)
-                return -EINVAL;
-
-        if (enabled)
-                ds3232->rtc->irq_data |= RTC_UF;
-        else
-                ds3232->rtc->irq_data &= ~RTC_UF;
-
-        ds3232_update_alarm(client);
-        return 0;
-}
-
 static irqreturn_t ds3232_irq(int irq, void *dev_id)
 {
         struct i2c_client *client = dev_id;
@@ -406,7 +389,6 @@ static const struct rtc_class_ops ds3232_rtc_ops = {
         .read_alarm = ds3232_read_alarm,
         .set_alarm = ds3232_set_alarm,
         .alarm_irq_enable = ds3232_alarm_irq_enable,
-        .update_irq_enable = ds3232_update_irq_enable,
 };
 
 static int __devinit ds3232_probe(struct i2c_client *client,
diff --git a/drivers/rtc/rtc-jz4740.c b/drivers/rtc/rtc-jz4740.c
index 2e16f72c905..b6473631d18 100644
--- a/drivers/rtc/rtc-jz4740.c
+++ b/drivers/rtc/rtc-jz4740.c
@@ -168,12 +168,6 @@ static int jz4740_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
         return ret;
 }
 
-static int jz4740_rtc_update_irq_enable(struct device *dev, unsigned int enable)
-{
-        struct jz4740_rtc *rtc = dev_get_drvdata(dev);
-        return jz4740_rtc_ctrl_set_bits(rtc, JZ_RTC_CTRL_1HZ_IRQ, enable);
-}
-
 static int jz4740_rtc_alarm_irq_enable(struct device *dev, unsigned int enable)
 {
         struct jz4740_rtc *rtc = dev_get_drvdata(dev);
@@ -185,7 +179,6 @@ static struct rtc_class_ops jz4740_rtc_ops = {
         .set_mmss       = jz4740_rtc_set_mmss,
         .read_alarm     = jz4740_rtc_read_alarm,
         .set_alarm      = jz4740_rtc_set_alarm,
-        .update_irq_enable = jz4740_rtc_update_irq_enable,
         .alarm_irq_enable = jz4740_rtc_alarm_irq_enable,
 };
 
diff --git a/drivers/rtc/rtc-mc13xxx.c b/drivers/rtc/rtc-mc13xxx.c
index 5314b153bfb..c4200646955 100644
--- a/drivers/rtc/rtc-mc13xxx.c
+++ b/drivers/rtc/rtc-mc13xxx.c
@@ -282,12 +282,6 @@ static irqreturn_t mc13xxx_rtc_update_handler(int irq, void *dev)
         return IRQ_HANDLED;
 }
 
-static int mc13xxx_rtc_update_irq_enable(struct device *dev,
-                unsigned int enabled)
-{
-        return mc13xxx_rtc_irq_enable(dev, enabled, MC13XXX_IRQ_1HZ);
-}
-
 static int mc13xxx_rtc_alarm_irq_enable(struct device *dev,
                 unsigned int enabled)
 {
@@ -300,7 +294,6 @@ static const struct rtc_class_ops mc13xxx_rtc_ops = {
         .read_alarm = mc13xxx_rtc_read_alarm,
         .set_alarm = mc13xxx_rtc_set_alarm,
         .alarm_irq_enable = mc13xxx_rtc_alarm_irq_enable,
-        .update_irq_enable = mc13xxx_rtc_update_irq_enable,
 };
 
 static irqreturn_t mc13xxx_rtc_reset_handler(int irq, void *dev)
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index dfcdf0901d2..b40c1ff1ebc 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -240,32 +240,12 @@ static int mpc5121_rtc_alarm_irq_enable(struct device *dev,
         return 0;
 }
 
-static int mpc5121_rtc_update_irq_enable(struct device *dev,
-                                         unsigned int enabled)
-{
-        struct mpc5121_rtc_data *rtc = dev_get_drvdata(dev);
-        struct mpc5121_rtc_regs __iomem *regs = rtc->regs;
-        int val;
-
-        val = in_8(&regs->int_enable);
-
-        if (enabled)
-                val = (val & ~0x8) | 0x1;
-        else
-                val &= ~0x1;
-
-        out_8(&regs->int_enable, val);
-
-        return 0;
-}
-
 static const struct rtc_class_ops mpc5121_rtc_ops = {
         .read_time = mpc5121_rtc_read_time,
         .set_time = mpc5121_rtc_set_time,
         .read_alarm = mpc5121_rtc_read_alarm,
         .set_alarm = mpc5121_rtc_set_alarm,
         .alarm_irq_enable = mpc5121_rtc_alarm_irq_enable,
-        .update_irq_enable = mpc5121_rtc_update_irq_enable,
 };
 
 static int __devinit mpc5121_rtc_probe(struct platform_device *op,
diff --git a/drivers/rtc/rtc-mrst.c b/drivers/rtc/rtc-mrst.c
index 1db62db8469..b86bc328463 100644
--- a/drivers/rtc/rtc-mrst.c
+++ b/drivers/rtc/rtc-mrst.c
@@ -62,6 +62,17 @@ static inline int is_intr(u8 rtc_intr)
         return rtc_intr & RTC_IRQMASK;
 }
 
+static inline unsigned char vrtc_is_updating(void)
+{
+        unsigned char uip;
+        unsigned long flags;
+
+        spin_lock_irqsave(&rtc_lock, flags);
+        uip = (vrtc_cmos_read(RTC_FREQ_SELECT) & RTC_UIP);
+        spin_unlock_irqrestore(&rtc_lock, flags);
+        return uip;
+}
+
 /*
  * rtc_time's year contains the increment over 1900, but vRTC's YEAR
  * register can't be programmed to value larger than 0x64, so vRTC
@@ -76,7 +87,7 @@ static int mrst_read_time(struct device *dev, struct rtc_time *time)
 {
         unsigned long flags;
 
-        if (rtc_is_updating())
+        if (vrtc_is_updating())
                 mdelay(20);
 
         spin_lock_irqsave(&rtc_lock, flags);
@@ -236,25 +247,6 @@ static int mrst_set_alarm(struct device *dev, struct rtc_wkalrm *t)
         return 0;
 }
 
-static int mrst_irq_set_state(struct device *dev, int enabled)
-{
-        struct mrst_rtc *mrst = dev_get_drvdata(dev);
-        unsigned long   flags;
-
-        if (!mrst->irq)
-                return -ENXIO;
-
-        spin_lock_irqsave(&rtc_lock, flags);
-
-        if (enabled)
-                mrst_irq_enable(mrst, RTC_PIE);
-        else
-                mrst_irq_disable(mrst, RTC_PIE);
-
-        spin_unlock_irqrestore(&rtc_lock, flags);
-        return 0;
-}
-
 /* Currently, the vRTC doesn't support UIE ON/OFF */
 static int mrst_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
@@ -301,7 +293,6 @@ static const struct rtc_class_ops mrst_rtc_ops = {
         .read_alarm     = mrst_read_alarm,
         .set_alarm      = mrst_set_alarm,
         .proc           = mrst_procfs,
-        .irq_set_state  = mrst_irq_set_state,
         .alarm_irq_enable = mrst_rtc_alarm_irq_enable,
 };
 
diff --git a/drivers/rtc/rtc-mxc.c b/drivers/rtc/rtc-mxc.c
index 0b06c1e03fd..826ab64a8fa 100644
--- a/drivers/rtc/rtc-mxc.c
+++ b/drivers/rtc/rtc-mxc.c
@@ -274,12 +274,6 @@ static int mxc_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int mxc_rtc_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        mxc_rtc_irq_enable(dev, RTC_1HZ_BIT, enabled);
-        return 0;
-}
-
 /*
  * This function reads the current RTC time into tm in Gregorian date.
  */
@@ -368,7 +362,6 @@ static struct rtc_class_ops mxc_rtc_ops = {
         .read_alarm             = mxc_rtc_read_alarm,
         .set_alarm              = mxc_rtc_set_alarm,
         .alarm_irq_enable       = mxc_rtc_alarm_irq_enable,
-        .update_irq_enable      = mxc_rtc_update_irq_enable,
 };
 
 static int __init mxc_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-nuc900.c b/drivers/rtc/rtc-nuc900.c
index ddb0857e15a..781068d62f2 100644
--- a/drivers/rtc/rtc-nuc900.c
+++ b/drivers/rtc/rtc-nuc900.c
@@ -134,20 +134,6 @@ static void nuc900_rtc_bin2bcd(struct device *dev, struct rtc_time *settm,
         gettm->bcd_hour = bin2bcd(settm->tm_hour) << 16;
 }
 
-static int nuc900_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct nuc900_rtc *rtc = dev_get_drvdata(dev);
-
-        if (enabled)
-                __raw_writel(__raw_readl(rtc->rtc_reg + REG_RTC_RIER)|
-                                (TICKINTENB), rtc->rtc_reg + REG_RTC_RIER);
-        else
-                __raw_writel(__raw_readl(rtc->rtc_reg + REG_RTC_RIER)&
-                                (~TICKINTENB), rtc->rtc_reg + REG_RTC_RIER);
-
-        return 0;
-}
-
 static int nuc900_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct nuc900_rtc *rtc = dev_get_drvdata(dev);
@@ -234,7 +220,6 @@ static struct rtc_class_ops nuc900_rtc_ops = {
         .read_alarm = nuc900_rtc_read_alarm,
         .set_alarm = nuc900_rtc_set_alarm,
         .alarm_irq_enable = nuc900_alarm_irq_enable,
-        .update_irq_enable = nuc900_update_irq_enable,
 };
 
 static int __devinit nuc900_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-omap.c b/drivers/rtc/rtc-omap.c
index b4dbf3a319b..de0dd7b1f14 100644
--- a/drivers/rtc/rtc-omap.c
+++ b/drivers/rtc/rtc-omap.c
@@ -135,44 +135,6 @@ static irqreturn_t rtc_irq(int irq, void *rtc)
         return IRQ_HANDLED;
 }
 
-#ifdef  CONFIG_RTC_INTF_DEV
-
-static int
-omap_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-        u8 reg;
-
-        switch (cmd) {
-        case RTC_UIE_OFF:
-        case RTC_UIE_ON:
-                break;
-        default:
-                return -ENOIOCTLCMD;
-        }
-
-        local_irq_disable();
-        rtc_wait_not_busy();
-        reg = rtc_read(OMAP_RTC_INTERRUPTS_REG);
-        switch (cmd) {
-        /* UIE = Update Interrupt Enable (1/second) */
-        case RTC_UIE_OFF:
-                reg &= ~OMAP_RTC_INTERRUPTS_IT_TIMER;
-                break;
-        case RTC_UIE_ON:
-                reg |= OMAP_RTC_INTERRUPTS_IT_TIMER;
-                break;
-        }
-        rtc_wait_not_busy();
-        rtc_write(reg, OMAP_RTC_INTERRUPTS_REG);
-        local_irq_enable();
-
-        return 0;
-}
-
-#else
-#define omap_rtc_ioctl  NULL
-#endif
-
 static int omap_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         u8 reg;
@@ -313,7 +275,6 @@ static int omap_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
 }
 
 static struct rtc_class_ops omap_rtc_ops = {
-        .ioctl          = omap_rtc_ioctl,
         .read_time      = omap_rtc_read_time,
         .set_time       = omap_rtc_set_time,
         .read_alarm     = omap_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-pcap.c b/drivers/rtc/rtc-pcap.c
index 25c0b3fd44f..a633abc4289 100644
--- a/drivers/rtc/rtc-pcap.c
+++ b/drivers/rtc/rtc-pcap.c
@@ -131,18 +131,12 @@ static int pcap_rtc_alarm_irq_enable(struct device *dev, unsigned int en)
         return pcap_rtc_irq_enable(dev, PCAP_IRQ_TODA, en);
 }
 
-static int pcap_rtc_update_irq_enable(struct device *dev, unsigned int en)
-{
-        return pcap_rtc_irq_enable(dev, PCAP_IRQ_1HZ, en);
-}
-
 static const struct rtc_class_ops pcap_rtc_ops = {
         .read_time = pcap_rtc_read_time,
         .read_alarm = pcap_rtc_read_alarm,
         .set_alarm = pcap_rtc_set_alarm,
         .set_mmss = pcap_rtc_set_mmss,
         .alarm_irq_enable = pcap_rtc_alarm_irq_enable,
-        .update_irq_enable = pcap_rtc_update_irq_enable,
 };
 
 static int __devinit pcap_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-pcf50633.c b/drivers/rtc/rtc-pcf50633.c
index 16edf94ab42..f90c574f9d0 100644
--- a/drivers/rtc/rtc-pcf50633.c
+++ b/drivers/rtc/rtc-pcf50633.c
@@ -106,25 +106,6 @@ pcf50633_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int
-pcf50633_rtc_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct pcf50633_rtc *rtc = dev_get_drvdata(dev);
-        int err;
-
-        if (enabled)
-                err = pcf50633_irq_unmask(rtc->pcf, PCF50633_IRQ_SECOND);
-        else
-                err = pcf50633_irq_mask(rtc->pcf, PCF50633_IRQ_SECOND);
-
-        if (err < 0)
-                return err;
-
-        rtc->second_enabled = enabled;
-
-        return 0;
-}
-
 static int pcf50633_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
         struct pcf50633_rtc *rtc;
@@ -262,8 +243,7 @@ static struct rtc_class_ops pcf50633_rtc_ops = {
         .set_time               = pcf50633_rtc_set_time,
         .read_alarm             = pcf50633_rtc_read_alarm,
         .set_alarm              = pcf50633_rtc_set_alarm,
-        .alarm_irq_enable       = pcf50633_rtc_alarm_irq_enable,
-        .update_irq_enable      = pcf50633_rtc_update_irq_enable,
+        .alarm_irq_enable       = pcf50633_rtc_alarm_irq_enable,
 };
 
 static void pcf50633_rtc_irq(int irq, void *data)
diff --git a/drivers/rtc/rtc-pl030.c b/drivers/rtc/rtc-pl030.c
index bbdb2f02798..d554368c9f5 100644
--- a/drivers/rtc/rtc-pl030.c
+++ b/drivers/rtc/rtc-pl030.c
@@ -35,11 +35,6 @@ static irqreturn_t pl030_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static int pl030_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-        return -ENOIOCTLCMD;
-}
-
 static int pl030_read_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 {
         struct pl030_rtc *rtc = dev_get_drvdata(dev);
@@ -96,7 +91,6 @@ static int pl030_set_time(struct device *dev, struct rtc_time *tm)
 }
 
 static const struct rtc_class_ops pl030_ops = {
-        .ioctl          = pl030_ioctl,
         .read_time      = pl030_read_time,
         .set_time       = pl030_set_time,
         .read_alarm     = pl030_read_alarm,
diff --git a/drivers/rtc/rtc-pl031.c b/drivers/rtc/rtc-pl031.c
index b7a6690e5b3..d829ea63c4f 100644
--- a/drivers/rtc/rtc-pl031.c
+++ b/drivers/rtc/rtc-pl031.c
@@ -293,57 +293,6 @@ static int pl031_set_alarm(struct device *dev, struct rtc_wkalrm *alarm)
         return ret;
 }
 
-/* Periodic interrupt is only available in ST variants. */
-static int pl031_irq_set_state(struct device *dev, int enabled)
-{
-        struct pl031_local *ldata = dev_get_drvdata(dev);
-
-        if (enabled == 1) {
-                /* Clear any pending timer interrupt. */
-                writel(RTC_BIT_PI, ldata->base + RTC_ICR);
-
-                writel(readl(ldata->base + RTC_IMSC) | RTC_BIT_PI,
-                        ldata->base + RTC_IMSC);
-
-                /* Now start the timer */
-                writel(readl(ldata->base + RTC_TCR) | RTC_TCR_EN,
-                        ldata->base + RTC_TCR);
-
-        } else {
-                writel(readl(ldata->base + RTC_IMSC) & (~RTC_BIT_PI),
-                        ldata->base + RTC_IMSC);
-
-                /* Also stop the timer */
-                writel(readl(ldata->base + RTC_TCR) & (~RTC_TCR_EN),
-                        ldata->base + RTC_TCR);
-        }
-        /* Wait at least 1 RTC32 clock cycle to ensure next access
-         * to RTC_TCR will succeed.
-         */
-        udelay(40);
-
-        return 0;
-}
-
-static int pl031_irq_set_freq(struct device *dev, int freq)
-{
-        struct pl031_local *ldata = dev_get_drvdata(dev);
-
-        /* Cant set timer if it is already enabled */
-        if (readl(ldata->base + RTC_TCR) & RTC_TCR_EN) {
-                dev_err(dev, "can't change frequency while timer enabled\n");
-                return -EINVAL;
-        }
-
-        /* If self start bit in RTC_TCR is set timer will start here,
-         * but we never set that bit. Instead we start the timer when
-         * set_state is called with enabled == 1.
-         */
-        writel(RTC_TIMER_FREQ / freq, ldata->base + RTC_TLR);
-
-        return 0;
-}
-
 static int pl031_remove(struct amba_device *adev)
 {
         struct pl031_local *ldata = dev_get_drvdata(&adev->dev);
@@ -440,8 +389,6 @@ static struct rtc_class_ops stv1_pl031_ops = {
         .read_alarm = pl031_read_alarm,
         .set_alarm = pl031_set_alarm,
         .alarm_irq_enable = pl031_alarm_irq_enable,
-        .irq_set_state = pl031_irq_set_state,
-        .irq_set_freq = pl031_irq_set_freq,
 };
 
 /* And the second ST derivative */
@@ -451,8 +398,6 @@ static struct rtc_class_ops stv2_pl031_ops = {
         .read_alarm = pl031_stv2_read_alarm,
         .set_alarm = pl031_stv2_set_alarm,
         .alarm_irq_enable = pl031_alarm_irq_enable,
-        .irq_set_state = pl031_irq_set_state,
-        .irq_set_freq = pl031_irq_set_freq,
 };
 
 static struct amba_id pl031_ids[] = {
diff --git a/drivers/rtc/rtc-proc.c b/drivers/rtc/rtc-proc.c
index 242bbf86c74..0a59fda5c09 100644
--- a/drivers/rtc/rtc-proc.c
+++ b/drivers/rtc/rtc-proc.c
@@ -69,6 +69,14 @@ static int rtc_proc_show(struct seq_file *seq, void *offset)
                                 alrm.enabled ? "yes" : "no");
                 seq_printf(seq, "alrm_pending\t: %s\n",
                                 alrm.pending ? "yes" : "no");
+                seq_printf(seq, "update IRQ enabled\t: %s\n",
+                        (rtc->uie_rtctimer.enabled) ? "yes" : "no");
+                seq_printf(seq, "periodic IRQ enabled\t: %s\n",
+                        (rtc->pie_enabled) ? "yes" : "no");
+                seq_printf(seq, "periodic IRQ frequency\t: %d\n",
+                        rtc->irq_freq);
+                seq_printf(seq, "max user IRQ frequency\t: %d\n",
+                        rtc->max_user_freq);
         }
 
         seq_printf(seq, "24hr\t\t: yes\n");
diff --git a/drivers/rtc/rtc-pxa.c b/drivers/rtc/rtc-pxa.c
index 29e867a1aaa..fc9f4991574 100644
--- a/drivers/rtc/rtc-pxa.c
+++ b/drivers/rtc/rtc-pxa.c
@@ -209,32 +209,6 @@ static void pxa_rtc_release(struct device *dev)
         free_irq(pxa_rtc->irq_1Hz, dev);
 }
 
-static int pxa_periodic_irq_set_freq(struct device *dev, int freq)
-{
-        struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
-        int period_ms;
-
-        if (freq < 1 || freq > MAXFREQ_PERIODIC)
-                return -EINVAL;
-
-        period_ms = 1000 / freq;
-        rtc_writel(pxa_rtc, PIAR, period_ms);
-
-        return 0;
-}
-
-static int pxa_periodic_irq_set_state(struct device *dev, int enabled)
-{
-        struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
-
-        if (enabled)
-                rtsr_set_bits(pxa_rtc, RTSR_PIALE | RTSR_PICE);
-        else
-                rtsr_clear_bits(pxa_rtc, RTSR_PIALE | RTSR_PICE);
-
-        return 0;
-}
-
 static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
@@ -250,21 +224,6 @@ static int pxa_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int pxa_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
-
-        spin_lock_irq(&pxa_rtc->lock);
-
-        if (enabled)
-                rtsr_set_bits(pxa_rtc, RTSR_HZE);
-        else
-                rtsr_clear_bits(pxa_rtc, RTSR_HZE);
-
-        spin_unlock_irq(&pxa_rtc->lock);
-        return 0;
-}
-
 static int pxa_rtc_read_time(struct device *dev, struct rtc_time *tm)
 {
         struct pxa_rtc *pxa_rtc = dev_get_drvdata(dev);
@@ -346,10 +305,7 @@ static const struct rtc_class_ops pxa_rtc_ops = {
         .read_alarm = pxa_rtc_read_alarm,
         .set_alarm = pxa_rtc_set_alarm,
         .alarm_irq_enable = pxa_alarm_irq_enable,
-        .update_irq_enable = pxa_update_irq_enable,
         .proc = pxa_rtc_proc,
-        .irq_set_state = pxa_periodic_irq_set_state,
-        .irq_set_freq = pxa_periodic_irq_set_freq,
 };
 
 static int __init pxa_rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-rs5c372.c b/drivers/rtc/rtc-rs5c372.c
index 6aaa1550e3b..85c1b848dd7 100644
--- a/drivers/rtc/rtc-rs5c372.c
+++ b/drivers/rtc/rtc-rs5c372.c
@@ -281,57 +281,6 @@ static int rs5c372_rtc_set_time(struct device *dev, struct rtc_time *tm)
         return rs5c372_set_datetime(to_i2c_client(dev), tm);
 }
 
-#if defined(CONFIG_RTC_INTF_DEV) || defined(CONFIG_RTC_INTF_DEV_MODULE)
-
-static int
-rs5c_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-        struct i2c_client       *client = to_i2c_client(dev);
-        struct rs5c372          *rs5c = i2c_get_clientdata(client);
-        unsigned char           buf;
-        int                     status, addr;
-
-        buf = rs5c->regs[RS5C_REG_CTRL1];
-        switch (cmd) {
-        case RTC_UIE_OFF:
-        case RTC_UIE_ON:
-                /* some 327a modes use a different IRQ pin for 1Hz irqs */
-                if (rs5c->type == rtc_rs5c372a
-                                && (buf & RS5C372A_CTRL1_SL1))
-                        return -ENOIOCTLCMD;
-        default:
-                return -ENOIOCTLCMD;
-        }
-
-        status = rs5c_get_regs(rs5c);
-        if (status < 0)
-                return status;
-
-        addr = RS5C_ADDR(RS5C_REG_CTRL1);
-        switch (cmd) {
-        case RTC_UIE_OFF:       /* update off */
-                buf &= ~RS5C_CTRL1_CT_MASK;
-                break;
-        case RTC_UIE_ON:        /* update on */
-                buf &= ~RS5C_CTRL1_CT_MASK;
-                buf |= RS5C_CTRL1_CT4;
-                break;
-        }
-
-        if (i2c_smbus_write_byte_data(client, addr, buf) < 0) {
-                printk(KERN_WARNING "%s: can't update alarm\n",
-                        rs5c->rtc->name);
-                status = -EIO;
-        } else
-                rs5c->regs[RS5C_REG_CTRL1] = buf;
-
-        return status;
-}
-
-#else
-#define rs5c_rtc_ioctl  NULL
-#endif
-
 
 static int rs5c_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
@@ -480,7 +429,6 @@ static int rs5c372_rtc_proc(struct device *dev, struct seq_file *seq)
 
 static const struct rtc_class_ops rs5c372_rtc_ops = {
         .proc           = rs5c372_rtc_proc,
-        .ioctl          = rs5c_rtc_ioctl,
         .read_time      = rs5c372_rtc_read_time,
         .set_time       = rs5c372_rtc_set_time,
         .read_alarm     = rs5c_read_alarm,
diff --git a/drivers/rtc/rtc-rx8025.c b/drivers/rtc/rtc-rx8025.c
index af32a62e12a..fde172fb2ab 100644
--- a/drivers/rtc/rtc-rx8025.c
+++ b/drivers/rtc/rtc-rx8025.c
@@ -424,37 +424,12 @@ static int rx8025_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int rx8025_irq_set_state(struct device *dev, int enabled)
-{
-        struct i2c_client *client = to_i2c_client(dev);
-        struct rx8025_data *rx8025 = i2c_get_clientdata(client);
-        int ctrl1;
-        int err;
-
-        if (client->irq <= 0)
-                return -ENXIO;
-
-        ctrl1 = rx8025->ctrl1 & ~RX8025_BIT_CTRL1_CT;
-        if (enabled)
-                ctrl1 |= RX8025_BIT_CTRL1_CT_1HZ;
-        if (ctrl1 != rx8025->ctrl1) {
-                rx8025->ctrl1 = ctrl1;
-                err = rx8025_write_reg(rx8025->client, RX8025_REG_CTRL1,
-                                       rx8025->ctrl1);
-                if (err)
-                        return err;
-        }
-
-        return 0;
-}
-
 static struct rtc_class_ops rx8025_rtc_ops = {
         .read_time = rx8025_get_time,
         .set_time = rx8025_set_time,
         .read_alarm = rx8025_read_alarm,
         .set_alarm = rx8025_set_alarm,
         .alarm_irq_enable = rx8025_alarm_irq_enable,
-        .irq_set_state  = rx8025_irq_set_state,
 };
 
 /*
diff --git a/drivers/rtc/rtc-s3c.c b/drivers/rtc/rtc-s3c.c
index b80fa288240..714964913e5 100644
--- a/drivers/rtc/rtc-s3c.c
+++ b/drivers/rtc/rtc-s3c.c
@@ -93,37 +93,6 @@ static int s3c_rtc_setaie(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int s3c_rtc_setpie(struct device *dev, int enabled)
-{
-        unsigned int tmp;
-
-        pr_debug("%s: pie=%d\n", __func__, enabled);
-
-        spin_lock_irq(&s3c_rtc_pie_lock);
-
-        if (s3c_rtc_cpu_type == TYPE_S3C64XX) {
-                tmp = readw(s3c_rtc_base + S3C2410_RTCCON);
-                tmp &= ~S3C64XX_RTCCON_TICEN;
-
-                if (enabled)
-                        tmp |= S3C64XX_RTCCON_TICEN;
-
-                writew(tmp, s3c_rtc_base + S3C2410_RTCCON);
-        } else {
-                tmp = readb(s3c_rtc_base + S3C2410_TICNT);
-                tmp &= ~S3C2410_TICNT_ENABLE;
-
-                if (enabled)
-                        tmp |= S3C2410_TICNT_ENABLE;
-
-                writeb(tmp, s3c_rtc_base + S3C2410_TICNT);
-        }
-
-        spin_unlock_irq(&s3c_rtc_pie_lock);
-
-        return 0;
-}
-
 static int s3c_rtc_setfreq(struct device *dev, int freq)
 {
         struct platform_device *pdev = to_platform_device(dev);
@@ -379,8 +348,6 @@ static const struct rtc_class_ops s3c_rtcops = {
         .set_time       = s3c_rtc_settime,
         .read_alarm     = s3c_rtc_getalarm,
         .set_alarm      = s3c_rtc_setalarm,
-        .irq_set_freq   = s3c_rtc_setfreq,
-        .irq_set_state  = s3c_rtc_setpie,
         .proc           = s3c_rtc_proc,
         .alarm_irq_enable = s3c_rtc_setaie,
 };
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 5dfe5ffcb0d..0b40bb88a88 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -43,7 +43,6 @@
 #define RTC_DEF_TRIM            0
 
 static const unsigned long RTC_FREQ = 1024;
-static unsigned long timer_freq;
 static struct rtc_time rtc_alarm;
 static DEFINE_SPINLOCK(sa1100_rtc_lock);
 
@@ -156,114 +155,11 @@ static irqreturn_t sa1100_rtc_interrupt(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-static int sa1100_irq_set_freq(struct device *dev, int freq)
-{
-        if (freq < 1 || freq > timer_freq) {
-                return -EINVAL;
-        } else {
-                struct rtc_device *rtc = (struct rtc_device *)dev;
-
-                rtc->irq_freq = freq;
-
-                return 0;
-        }
-}
-
-static int rtc_timer1_count;
-
-static int sa1100_irq_set_state(struct device *dev, int enabled)
-{
-        spin_lock_irq(&sa1100_rtc_lock);
-        if (enabled) {
-                struct rtc_device *rtc = (struct rtc_device *)dev;
-
-                OSMR1 = timer_freq / rtc->irq_freq + OSCR;
-                OIER |= OIER_E1;
-                rtc_timer1_count = 1;
-        } else {
-                OIER &= ~OIER_E1;
-        }
-        spin_unlock_irq(&sa1100_rtc_lock);
-
-        return 0;
-}
-
-static inline int sa1100_timer1_retrigger(struct rtc_device *rtc)
-{
-        unsigned long diff;
-        unsigned long period = timer_freq / rtc->irq_freq;
-
-        spin_lock_irq(&sa1100_rtc_lock);
-
-        do {
-                OSMR1 += period;
-                diff = OSMR1 - OSCR;
-                /* If OSCR > OSMR1, diff is a very large number (unsigned
-                 * math). This means we have a lost interrupt. */
-        } while (diff > period);
-        OIER |= OIER_E1;
-
-        spin_unlock_irq(&sa1100_rtc_lock);
-
-        return 0;
-}
-
-static irqreturn_t timer1_interrupt(int irq, void *dev_id)
-{
-        struct platform_device *pdev = to_platform_device(dev_id);
-        struct rtc_device *rtc = platform_get_drvdata(pdev);
-
-        /*
-         * If we match for the first time, rtc_timer1_count will be 1.
-         * Otherwise, we wrapped around (very unlikely but
-         * still possible) so compute the amount of missed periods.
-         * The match reg is updated only when the data is actually retrieved
-         * to avoid unnecessary interrupts.
-         */
-        OSSR = OSSR_M1; /* clear match on timer1 */
-
-        rtc_update_irq(rtc, rtc_timer1_count, RTC_PF | RTC_IRQF);
-
-        if (rtc_timer1_count == 1)
-                rtc_timer1_count =
-                        (rtc->irq_freq * ((1 << 30) / (timer_freq >> 2)));
-
-        /* retrigger. */
-        sa1100_timer1_retrigger(rtc);
-
-        return IRQ_HANDLED;
-}
-
-static int sa1100_rtc_read_callback(struct device *dev, int data)
-{
-        if (data & RTC_PF) {
-                struct rtc_device *rtc = (struct rtc_device *)dev;
-
-                /* interpolate missed periods and set match for the next */
-                unsigned long period = timer_freq / rtc->irq_freq;
-                unsigned long oscr = OSCR;
-                unsigned long osmr1 = OSMR1;
-                unsigned long missed = (oscr - osmr1)/period;
-                data += missed << 8;
-                OSSR = OSSR_M1; /* clear match on timer 1 */
-                OSMR1 = osmr1 + (missed + 1)*period;
-                /* Ensure we didn't miss another match in the mean time.
-                 * Here we compare (match - OSCR) 8 instead of 0 --
-                 * see comment in pxa_timer_interrupt() for explanation.
-                 */
-                while ((signed long)((osmr1 = OSMR1) - OSCR) <= 8) {
-                        data += 0x100;
-                        OSSR = OSSR_M1; /* clear match on timer 1 */
-                        OSMR1 = osmr1 + period;
-                }
-        }
-        return data;
-}
-
 static int sa1100_rtc_open(struct device *dev)
 {
         int ret;
-        struct rtc_device *rtc = (struct rtc_device *)dev;
+        struct platform_device *plat_dev = to_platform_device(dev);
+        struct rtc_device *rtc = platform_get_drvdata(plat_dev);
 
         ret = request_irq(IRQ_RTC1Hz, sa1100_rtc_interrupt, IRQF_DISABLED,
                 "rtc 1Hz", dev);
@@ -277,19 +173,11 @@ static int sa1100_rtc_open(struct device *dev)
                 dev_err(dev, "IRQ %d already in use.\n", IRQ_RTCAlrm);
                 goto fail_ai;
         }
-        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);
-                goto fail_pi;
-        }
         rtc->max_user_freq = RTC_FREQ;
-        sa1100_irq_set_freq(dev, RTC_FREQ);
+        rtc_irq_set_freq(rtc, NULL, RTC_FREQ);
 
         return 0;
 
- fail_pi:
-        free_irq(IRQ_RTCAlrm, dev);
  fail_ai:
         free_irq(IRQ_RTC1Hz, dev);
  fail_ui:
@@ -304,30 +192,10 @@ static void sa1100_rtc_release(struct device *dev)
         OSSR = OSSR_M1;
         spin_unlock_irq(&sa1100_rtc_lock);
 
-        free_irq(IRQ_OST1, dev);
         free_irq(IRQ_RTCAlrm, dev);
         free_irq(IRQ_RTC1Hz, dev);
 }
 
-
-static int sa1100_rtc_ioctl(struct device *dev, unsigned int cmd,
-                unsigned long arg)
-{
-        switch (cmd) {
-        case RTC_UIE_OFF:
-                spin_lock_irq(&sa1100_rtc_lock);
-                RTSR &= ~RTSR_HZE;
-                spin_unlock_irq(&sa1100_rtc_lock);
-                return 0;
-        case RTC_UIE_ON:
-                spin_lock_irq(&sa1100_rtc_lock);
-                RTSR |= RTSR_HZE;
-                spin_unlock_irq(&sa1100_rtc_lock);
-                return 0;
-        }
-        return -ENOIOCTLCMD;
-}
-
 static int sa1100_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         spin_lock_irq(&sa1100_rtc_lock);
@@ -386,31 +254,20 @@ static int sa1100_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alrm)
 
 static int sa1100_rtc_proc(struct device *dev, struct seq_file *seq)
 {
-        struct rtc_device *rtc = (struct rtc_device *)dev;
-
-        seq_printf(seq, "trim/divider\t: 0x%08x\n", (u32) RTTR);
-        seq_printf(seq, "update_IRQ\t: %s\n",
-                        (RTSR & RTSR_HZE) ? "yes" : "no");
-        seq_printf(seq, "periodic_IRQ\t: %s\n",
-                        (OIER & OIER_E1) ? "yes" : "no");
-        seq_printf(seq, "periodic_freq\t: %d\n", rtc->irq_freq);
-        seq_printf(seq, "RTSR\t\t: 0x%08x\n", (u32)RTSR);
+        seq_printf(seq, "trim/divider\t\t: 0x%08x\n", (u32) RTTR);
+        seq_printf(seq, "RTSR\t\t\t: 0x%08x\n", (u32)RTSR);
 
         return 0;
 }
 
 static const struct rtc_class_ops sa1100_rtc_ops = {
         .open = sa1100_rtc_open,
-        .read_callback = sa1100_rtc_read_callback,
         .release = sa1100_rtc_release,
-        .ioctl = sa1100_rtc_ioctl,
         .read_time = sa1100_rtc_read_time,
         .set_time = sa1100_rtc_set_time,
         .read_alarm = sa1100_rtc_read_alarm,
         .set_alarm = sa1100_rtc_set_alarm,
         .proc = sa1100_rtc_proc,
-        .irq_set_freq = sa1100_irq_set_freq,
-        .irq_set_state = sa1100_irq_set_state,
         .alarm_irq_enable = sa1100_rtc_alarm_irq_enable,
 };
 
@@ -418,8 +275,6 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
 {
         struct rtc_device *rtc;
 
-        timer_freq = get_clock_tick_rate();
-
         /*
          * According to the manual we should be able to let RTTR be zero
          * and then a default diviser for a 32.768KHz clock is used.
@@ -445,11 +300,6 @@ static int sa1100_rtc_probe(struct platform_device *pdev)
 
         platform_set_drvdata(pdev, rtc);
 
-        /* Set the irq_freq */
-        /*TODO: Find out who is messing with this value after we initialize
-         * it here.*/
-        rtc->irq_freq = RTC_FREQ;
-
         /* Fix for a nasty initialization problem the in SA11xx RTSR register.
          * See also the comments in sa1100_rtc_interrupt().
          *
diff --git a/drivers/rtc/rtc-sh.c b/drivers/rtc/rtc-sh.c
index 93314a9e7fa..e55dc1ac83a 100644
--- a/drivers/rtc/rtc-sh.c
+++ b/drivers/rtc/rtc-sh.c
@@ -344,27 +344,6 @@ static inline void sh_rtc_setcie(struct device *dev, unsigned int enable)
         spin_unlock_irq(&rtc->lock);
 }
 
-static int sh_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
-{
-        struct sh_rtc *rtc = dev_get_drvdata(dev);
-        unsigned int ret = 0;
-
-        switch (cmd) {
-        case RTC_UIE_OFF:
-                rtc->periodic_freq &= ~PF_OXS;
-                sh_rtc_setcie(dev, 0);
-                break;
-        case RTC_UIE_ON:
-                rtc->periodic_freq |= PF_OXS;
-                sh_rtc_setcie(dev, 1);
-                break;
-        default:
-                ret = -ENOIOCTLCMD;
-        }
-
-        return ret;
-}
-
 static int sh_rtc_alarm_irq_enable(struct device *dev, unsigned int enabled)
 {
         sh_rtc_setaie(dev, enabled);
@@ -598,13 +577,10 @@ static int sh_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
 }
 
 static struct rtc_class_ops sh_rtc_ops = {
-        .ioctl          = sh_rtc_ioctl,
         .read_time      = sh_rtc_read_time,
         .set_time       = sh_rtc_set_time,
         .read_alarm     = sh_rtc_read_alarm,
         .set_alarm      = sh_rtc_set_alarm,
-        .irq_set_state  = sh_rtc_irq_set_state,
-        .irq_set_freq   = sh_rtc_irq_set_freq,
         .proc           = sh_rtc_proc,
         .alarm_irq_enable = sh_rtc_alarm_irq_enable,
 };
diff --git a/drivers/rtc/rtc-stmp3xxx.c b/drivers/rtc/rtc-stmp3xxx.c
index 7e7d0c806f2..572e9534b59 100644
--- a/drivers/rtc/rtc-stmp3xxx.c
+++ b/drivers/rtc/rtc-stmp3xxx.c
@@ -115,19 +115,6 @@ static int stmp3xxx_alarm_irq_enable(struct device *dev, unsigned int enabled)
         return 0;
 }
 
-static int stmp3xxx_update_irq_enable(struct device *dev, unsigned int enabled)
-{
-        struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
-
-        if (enabled)
-                stmp3xxx_setl(BM_RTC_CTRL_ONEMSEC_IRQ_EN,
-                                rtc_data->io + HW_RTC_CTRL);
-        else
-                stmp3xxx_clearl(BM_RTC_CTRL_ONEMSEC_IRQ_EN,
-                                rtc_data->io + HW_RTC_CTRL);
-        return 0;
-}
-
 static int stmp3xxx_rtc_read_alarm(struct device *dev, struct rtc_wkalrm *alm)
 {
         struct stmp3xxx_rtc_data *rtc_data = dev_get_drvdata(dev);
@@ -149,8 +136,6 @@ static int stmp3xxx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *alm)
 static struct rtc_class_ops stmp3xxx_rtc_ops = {
         .alarm_irq_enable =
                           stmp3xxx_alarm_irq_enable,
-        .update_irq_enable =
-                          stmp3xxx_update_irq_enable,
         .read_time      = stmp3xxx_rtc_gettime,
         .set_mmss       = stmp3xxx_rtc_set_mmss,
         .read_alarm     = stmp3xxx_rtc_read_alarm,
diff --git a/drivers/rtc/rtc-test.c b/drivers/rtc/rtc-test.c
index a82d6fe9707..7e96254bd36 100644
--- a/drivers/rtc/rtc-test.c
+++ b/drivers/rtc/rtc-test.c
@@ -78,11 +78,16 @@ static ssize_t test_irq_store(struct device *dev,
         struct rtc_device *rtc = platform_get_drvdata(plat_dev);
 
         retval = count;
-        if (strncmp(buf, "tick", 4) == 0)
+        if (strncmp(buf, "tick", 4) == 0 && rtc->pie_enabled)
                 rtc_update_irq(rtc, 1, RTC_PF | RTC_IRQF);
-        else if (strncmp(buf, "alarm", 5) == 0)
-                rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF);
-        else if (strncmp(buf, "update", 6) == 0)
+        else if (strncmp(buf, "alarm", 5) == 0) {
+                struct rtc_wkalrm alrm;
+                int err = rtc_read_alarm(rtc, &alrm);
+
+                if (!err && alrm.enabled)
+                        rtc_update_irq(rtc, 1, RTC_AF | RTC_IRQF);
+
+        } else if (strncmp(buf, "update", 6) == 0 && rtc->uie_rtctimer.enabled)
                 rtc_update_irq(rtc, 1, RTC_UF | RTC_IRQF);
         else
                 retval = -EINVAL;
diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c
index ed1b8682812..f9a2799c44d 100644
--- a/drivers/rtc/rtc-twl.c
+++ b/drivers/rtc/rtc-twl.c
@@ -213,18 +213,6 @@ static int twl_rtc_alarm_irq_enable(struct device *dev, unsigned enabled)
         return ret;
 }
 
-static int twl_rtc_update_irq_enable(struct device *dev, unsigned enabled)
-{
-        int ret;
-
-        if (enabled)
-                ret = set_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
-        else
-                ret = mask_rtc_irq_bit(BIT_RTC_INTERRUPTS_REG_IT_TIMER_M);
-
-        return ret;
-}
-
 /*
  * Gets current TWL RTC time and date parameters.
  *
@@ -433,7 +421,6 @@ static struct rtc_class_ops twl_rtc_ops = {
         .read_alarm     = twl_rtc_read_alarm,
         .set_alarm      = twl_rtc_set_alarm,
         .alarm_irq_enable = twl_rtc_alarm_irq_enable,
-        .update_irq_enable = twl_rtc_update_irq_enable,
 };
 
 /*----------------------------------------------------------------------*/
diff --git a/drivers/rtc/rtc-vr41xx.c b/drivers/rtc/rtc-vr41xx.c
index 769190ac6d1..c5698cda366 100644
--- a/drivers/rtc/rtc-vr41xx.c
+++ b/drivers/rtc/rtc-vr41xx.c
@@ -207,36 +207,6 @@ static int vr41xx_rtc_set_alarm(struct device *dev, struct rtc_wkalrm *wkalrm)
         return 0;
 }
 
-static int vr41xx_rtc_irq_set_freq(struct device *dev, int freq)
-{
-        u64 count;
-
-        if (!is_power_of_2(freq))
-                return -EINVAL;
-        count = RTC_FREQUENCY;
-        do_div(count, freq);
-
-        spin_lock_irq(&rtc_lock);
-
-        periodic_count = count;
-        rtc1_write(RTCL1LREG, periodic_count);
-        rtc1_write(RTCL1HREG, periodic_count >> 16);
-
-        spin_unlock_irq(&rtc_lock);
-
-        return 0;
-}
-
-static int vr41xx_rtc_irq_set_state(struct device *dev, int enabled)
-{
-        if (enabled)
-                enable_irq(pie_irq);
-        else
-                disable_irq(pie_irq);
-
-        return 0;
-}
-
 static int vr41xx_rtc_ioctl(struct device *dev, unsigned int cmd, unsigned long arg)
 {
         switch (cmd) {
@@ -308,8 +278,6 @@ static const struct rtc_class_ops vr41xx_rtc_ops = {
         .set_time       = vr41xx_rtc_set_time,
         .read_alarm     = vr41xx_rtc_read_alarm,
         .set_alarm      = vr41xx_rtc_set_alarm,
-        .irq_set_freq   = vr41xx_rtc_irq_set_freq,
-        .irq_set_state  = vr41xx_rtc_irq_set_state,
 };
 
 static int __devinit rtc_probe(struct platform_device *pdev)
diff --git a/drivers/rtc/rtc-wm831x.c b/drivers/rtc/rtc-wm831x.c
index 82931dc65c0..bdc909bd56d 100644
--- a/drivers/rtc/rtc-wm831x.c
+++ b/drivers/rtc/rtc-wm831x.c
@@ -315,21 +315,6 @@ static int wm831x_rtc_alarm_irq_enable(struct device *dev,
                 return wm831x_rtc_stop_alarm(wm831x_rtc);
 }
 
-static int wm831x_rtc_update_irq_enable(struct device *dev,
-                                        unsigned int enabled)
-{
-        struct wm831x_rtc *wm831x_rtc = dev_get_drvdata(dev);
-        int val;
-
-        if (enabled)
-                val = 1 << WM831X_RTC_PINT_FREQ_SHIFT;
-        else
-                val = 0;
-
-        return wm831x_set_bits(wm831x_rtc->wm831x, WM831X_RTC_CONTROL,
-                               WM831X_RTC_PINT_FREQ_MASK, val);
-}
-
 static irqreturn_t wm831x_alm_irq(int irq, void *data)
 {
         struct wm831x_rtc *wm831x_rtc = data;
@@ -354,7 +339,6 @@ static const struct rtc_class_ops wm831x_rtc_ops = {
         .read_alarm = wm831x_rtc_readalarm,
         .set_alarm = wm831x_rtc_setalarm,
         .alarm_irq_enable = wm831x_rtc_alarm_irq_enable,
-        .update_irq_enable = wm831x_rtc_update_irq_enable,
 };
 
 #ifdef CONFIG_PM
diff --git a/drivers/rtc/rtc-wm8350.c b/drivers/rtc/rtc-wm8350.c
index 3d0dc76b38a..66421426e40 100644
--- a/drivers/rtc/rtc-wm8350.c
+++ b/drivers/rtc/rtc-wm8350.c
@@ -302,26 +302,6 @@ static int wm8350_rtc_setalarm(struct device *dev, struct rtc_wkalrm *alrm)
         return ret;
 }
 
-static int wm8350_rtc_update_irq_enable(struct device *dev,
-                                        unsigned int enabled)
-{
-        struct wm8350 *wm8350 = dev_get_drvdata(dev);
-
-        /* Suppress duplicate changes since genirq nests enable and
-         * disable calls. */
-        if (enabled == wm8350->rtc.update_enabled)
-                return 0;
-
-        if (enabled)
-                wm8350_unmask_irq(wm8350, WM8350_IRQ_RTC_SEC);
-        else
-                wm8350_mask_irq(wm8350, WM8350_IRQ_RTC_SEC);
-
-        wm8350->rtc.update_enabled = enabled;
-
-        return 0;
-}
-
 static irqreturn_t wm8350_rtc_alarm_handler(int irq, void *data)
 {
         struct wm8350 *wm8350 = data;
@@ -357,7 +337,6 @@ static const struct rtc_class_ops wm8350_rtc_ops = {
         .read_alarm = wm8350_rtc_readalarm,
         .set_alarm = wm8350_rtc_setalarm,
         .alarm_irq_enable = wm8350_rtc_alarm_irq_enable,
-        .update_irq_enable = wm8350_rtc_update_irq_enable,
 };
 
 #ifdef CONFIG_PM
diff --git a/drivers/scsi/be2iscsi/be_main.c b/drivers/scsi/be2iscsi/be_main.c
index 79cefbe3136..638c72b7f94 100644
--- a/drivers/scsi/be2iscsi/be_main.c
+++ b/drivers/scsi/be2iscsi/be_main.c
@@ -4277,7 +4277,7 @@ static int __devinit beiscsi_dev_probe(struct pci_dev *pcidev,
 
         snprintf(phba->wq_name, sizeof(phba->wq_name), "beiscsi_q_irq%u",
                  phba->shost->host_no);
-        phba->wq = create_workqueue(phba->wq_name);
+        phba->wq = alloc_workqueue(phba->wq_name, WQ_MEM_RECLAIM, 1);
         if (!phba->wq) {
                 shost_printk(KERN_ERR, phba->shost, "beiscsi_dev_probe-"
                                 "Failed to allocate work queue\n");
diff --git a/drivers/scsi/ipr.c b/drivers/scsi/ipr.c
index 9c5c8be7223..d841e98a8bd 100644
--- a/drivers/scsi/ipr.c
+++ b/drivers/scsi/ipr.c
@@ -6219,11 +6219,10 @@ static struct ata_port_operations ipr_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-        .flags  = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET |
-        ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA,
-        .pio_mask       = 0x10, /* pio4 */
-        .mwdma_mask = 0x07,
-        .udma_mask      = 0x7f, /* udma0-6 */
+        .flags          = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA,
+        .pio_mask       = ATA_PIO4_ONLY,
+        .mwdma_mask     = ATA_MWDMA2,
+        .udma_mask      = ATA_UDMA6,
         .port_ops       = &ipr_sata_ops
 };
 
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index e1a395b438e..4d3b704ede1 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -238,37 +238,43 @@ static bool sas_ata_qc_fill_rtf(struct ata_queued_cmd *qc)
         return true;
 }
 
-static void sas_ata_phy_reset(struct ata_port *ap)
+static int sas_ata_hard_reset(struct ata_link *link, unsigned int *class,
+                               unsigned long deadline)
 {
+        struct ata_port *ap = link->ap;
         struct domain_device *dev = ap->private_data;
         struct sas_internal *i =
                 to_sas_internal(dev->port->ha->core.shost->transportt);
         int res = TMF_RESP_FUNC_FAILED;
+        int ret = 0;
 
         if (i->dft->lldd_I_T_nexus_reset)
                 res = i->dft->lldd_I_T_nexus_reset(dev);
 
-        if (res != TMF_RESP_FUNC_COMPLETE)
+        if (res != TMF_RESP_FUNC_COMPLETE) {
                 SAS_DPRINTK("%s: Unable to reset I T nexus?\n", __func__);
+                ret = -EAGAIN;
+        }
 
         switch (dev->sata_dev.command_set) {
                 case ATA_COMMAND_SET:
                         SAS_DPRINTK("%s: Found ATA device.\n", __func__);
-                        ap->link.device[0].class = ATA_DEV_ATA;
+                        *class = ATA_DEV_ATA;
                         break;
                 case ATAPI_COMMAND_SET:
                         SAS_DPRINTK("%s: Found ATAPI device.\n", __func__);
-                        ap->link.device[0].class = ATA_DEV_ATAPI;
+                        *class = ATA_DEV_ATAPI;
                         break;
                 default:
                         SAS_DPRINTK("%s: Unknown SATA command set: %d.\n",
                                     __func__,
                                     dev->sata_dev.command_set);
-                        ap->link.device[0].class = ATA_DEV_UNKNOWN;
+                        *class = ATA_DEV_UNKNOWN;
                         break;
         }
 
         ap->cbl = ATA_CBL_SATA;
+        return ret;
 }
 
 static void sas_ata_post_internal(struct ata_queued_cmd *qc)
@@ -349,7 +355,11 @@ static int sas_ata_scr_read(struct ata_link *link, unsigned int sc_reg_in,
 }
 
 static struct ata_port_operations sas_sata_ops = {
-        .phy_reset              = sas_ata_phy_reset,
+        .prereset               = ata_std_prereset,
+        .softreset              = NULL,
+        .hardreset              = sas_ata_hard_reset,
+        .postreset              = ata_std_postreset,
+        .error_handler          = ata_std_error_handler,
         .post_internal_cmd      = sas_ata_post_internal,
         .qc_defer               = ata_std_qc_defer,
         .qc_prep                = ata_noop_qc_prep,
@@ -362,10 +372,9 @@ static struct ata_port_operations sas_sata_ops = {
 };
 
 static struct ata_port_info sata_port_info = {
-        .flags = ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY | ATA_FLAG_SATA_RESET |
-                ATA_FLAG_MMIO | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ,
-        .pio_mask = 0x1f, /* PIO0-4 */
-        .mwdma_mask = 0x07, /* MWDMA0-2 */
+        .flags = ATA_FLAG_SATA | ATA_FLAG_PIO_DMA | ATA_FLAG_NCQ,
+        .pio_mask = ATA_PIO4,
+        .mwdma_mask = ATA_MWDMA2,
         .udma_mask = ATA_UDMA6,
         .port_ops = &sas_sata_ops
 };
@@ -781,3 +790,68 @@ int sas_discover_sata(struct domain_device *dev)
 
         return res;
 }
+
+void sas_ata_strategy_handler(struct Scsi_Host *shost)
+{
+        struct scsi_device *sdev;
+
+        shost_for_each_device(sdev, shost) {
+                struct domain_device *ddev = sdev_to_domain_dev(sdev);
+                struct ata_port *ap = ddev->sata_dev.ap;
+
+                if (!dev_is_sata(ddev))
+                        continue;
+                
+                ata_port_printk(ap, KERN_DEBUG, "sas eh calling libata port error handler");
+                ata_scsi_port_error_handler(shost, ap);
+        }
+}
+
+int sas_ata_timed_out(struct scsi_cmnd *cmd, struct sas_task *task,
+                      enum blk_eh_timer_return *rtn)
+{
+        struct domain_device *ddev = cmd_to_domain_dev(cmd);
+
+        if (!dev_is_sata(ddev) || task)
+                return 0;
+
+        /* we're a sata device with no task, so this must be a libata
+         * eh timeout.  Ideally should hook into libata timeout
+         * handling, but there's no point, it just wants to activate
+         * the eh thread */
+        *rtn = BLK_EH_NOT_HANDLED;
+        return 1;
+}
+
+int sas_ata_eh(struct Scsi_Host *shost, struct list_head *work_q,
+               struct list_head *done_q)
+{
+        int rtn = 0;
+        struct scsi_cmnd *cmd, *n;
+        struct ata_port *ap;
+
+        do {
+                LIST_HEAD(sata_q);
+
+                ap = NULL;
+                
+                list_for_each_entry_safe(cmd, n, work_q, eh_entry) {
+                        struct domain_device *ddev = cmd_to_domain_dev(cmd);
+
+                        if (!dev_is_sata(ddev) || TO_SAS_TASK(cmd))
+                                continue;
+                        if(ap && ap != ddev->sata_dev.ap)
+                                continue;
+                        ap = ddev->sata_dev.ap;
+                        rtn = 1;
+                        list_move(&cmd->eh_entry, &sata_q);
+                }
+
+                if (!list_empty(&sata_q)) {
+                        ata_port_printk(ap, KERN_DEBUG,"sas eh calling libata cmd error handler\n");
+                        ata_scsi_cmd_error_handler(shost, ap, &sata_q);
+                }
+        } while (ap);
+
+        return rtn;
+}
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 9a7aaf5f131..67758ea8eb7 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -663,11 +663,16 @@ void sas_scsi_recover_host(struct Scsi_Host *shost)
          * scsi_unjam_host does, but we skip scsi_eh_abort_cmds because any
          * command we see here has no sas_task and is thus unknown to the HA.
          */
-        if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q))
-                scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q);
+        if (!sas_ata_eh(shost, &eh_work_q, &ha->eh_done_q))
+                if (!scsi_eh_get_sense(&eh_work_q, &ha->eh_done_q))
+                        scsi_eh_ready_devs(shost, &eh_work_q, &ha->eh_done_q);
 
 out:
+        /* now link into libata eh --- if we have any ata devices */
+        sas_ata_strategy_handler(shost);
+
         scsi_eh_flush_done_q(&ha->eh_done_q);
+
         SAS_DPRINTK("--- Exit %s\n", __func__);
         return;
 }
@@ -676,6 +681,11 @@ enum blk_eh_timer_return sas_scsi_timed_out(struct scsi_cmnd *cmd)
 {
         struct sas_task *task = TO_SAS_TASK(cmd);
         unsigned long flags;
+        enum blk_eh_timer_return rtn; 
+
+        if (sas_ata_timed_out(cmd, task, &rtn))
+                return rtn;
+        
 
         if (!task) {
                 cmd->request->timeout /= 2;
diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index f27724d76cf..e90f7c16b95 100644
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -349,7 +349,7 @@ static int qla25xx_setup_mode(struct scsi_qla_host *vha)
                                 "Can't create request queue\n");
                         goto fail;
                 }
-                ha->wq = create_workqueue("qla2xxx_wq");
+                ha->wq = alloc_workqueue("qla2xxx_wq", WQ_MEM_RECLAIM, 1);
                 vha->req = ha->req_q_map[req];
                 options |= BIT_1;
                 for (ques = 1; ques < ha->max_rsp_queues; ques++) {
diff --git a/drivers/scsi/scsi_tgt_lib.c b/drivers/scsi/scsi_tgt_lib.c
index c399be97992..f67282058ba 100644
--- a/drivers/scsi/scsi_tgt_lib.c
+++ b/drivers/scsi/scsi_tgt_lib.c
@@ -629,7 +629,7 @@ static int __init scsi_tgt_init(void)
         if (!scsi_tgt_cmd_cache)
                 return -ENOMEM;
 
-        scsi_tgtd = create_workqueue("scsi_tgtd");
+        scsi_tgtd = alloc_workqueue("scsi_tgtd", 0, 1);
         if (!scsi_tgtd) {
                 err = -ENOMEM;
                 goto free_kmemcache;
diff --git a/drivers/spi/pxa2xx_spi.c b/drivers/spi/pxa2xx_spi.c
index 95928833855..a429b01d028 100644
--- a/drivers/spi/pxa2xx_spi.c
+++ b/drivers/spi/pxa2xx_spi.c
@@ -1557,9 +1557,7 @@ static int __devinit pxa2xx_spi_probe(struct platform_device *pdev)
         drv_data->ssp = ssp;
 
         master->dev.parent = &pdev->dev;
-#ifdef CONFIG_OF
         master->dev.of_node = pdev->dev.of_node;
-#endif
         /* the spi->mode bits understood by this driver: */
         master->mode_bits = SPI_CPOL | SPI_CPHA | SPI_CS_HIGH;
 
diff --git a/drivers/spi/pxa2xx_spi_pci.c b/drivers/spi/pxa2xx_spi_pci.c
index 19752b09e15..378e504f89e 100644
--- a/drivers/spi/pxa2xx_spi_pci.c
+++ b/drivers/spi/pxa2xx_spi_pci.c
@@ -89,9 +89,7 @@ static int __devinit ce4100_spi_probe(struct pci_dev *dev,
                 goto err_nomem;
 
         pdev->dev.parent = &dev->dev;
-#ifdef CONFIG_OF
         pdev->dev.of_node = dev->dev.of_node;
-#endif
         ssp = &spi_info->ssp;
         ssp->phys_base = pci_resource_start(dev, 0);
         ssp->mmio_base = ioremap(phys_beg, phys_len);
diff --git a/drivers/spi/xilinx_spi.c b/drivers/spi/xilinx_spi.c
index 7adaef62a99..4d2c75df886 100644
--- a/drivers/spi/xilinx_spi.c
+++ b/drivers/spi/xilinx_spi.c
@@ -351,14 +351,12 @@ static irqreturn_t xilinx_spi_irq(int irq, void *dev_id)
         return IRQ_HANDLED;
 }
 
-#ifdef CONFIG_OF
 static const struct of_device_id xilinx_spi_of_match[] = {
         { .compatible = "xlnx,xps-spi-2.00.a", },
         { .compatible = "xlnx,xps-spi-2.00.b", },
         {}
 };
 MODULE_DEVICE_TABLE(of, xilinx_spi_of_match);
-#endif
 
 struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem,
         u32 irq, s16 bus_num, int num_cs, int little_endian, int bits_per_word)
@@ -394,9 +392,7 @@ struct spi_master *xilinx_spi_init(struct device *dev, struct resource *mem,
 
         master->bus_num = bus_num;
         master->num_chipselect = num_cs;
-#ifdef CONFIG_OF
         master->dev.of_node = dev->of_node;
-#endif
 
         xspi->mem = *mem;
         xspi->irq = irq;
@@ -539,9 +535,7 @@ static struct platform_driver xilinx_spi_driver = {
         .driver = {
                 .name = XILINX_SPI_NAME,
                 .owner = THIS_MODULE,
-#ifdef CONFIG_OF
                 .of_match_table = xilinx_spi_of_match,
-#endif
         },
 };
 
diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c
index 43f9f02c7db..718050ace08 100644
--- a/drivers/xen/balloon.c
+++ b/drivers/xen/balloon.c
@@ -232,7 +232,7 @@ static int increase_reservation(unsigned long nr_pages)
                 set_phys_to_machine(pfn, frame_list[i]);
 
                 /* Link back into the page tables if not highmem. */
-                if (pfn < max_low_pfn) {
+                if (!xen_hvm_domain() && pfn < max_low_pfn) {
                         int ret;
                         ret = HYPERVISOR_update_va_mapping(
                                 (unsigned long)__va(pfn << PAGE_SHIFT),
@@ -280,7 +280,7 @@ static int decrease_reservation(unsigned long nr_pages)
 
                 scrub_page(page);
 
-                if (!PageHighMem(page)) {
+                if (!xen_hvm_domain() && !PageHighMem(page)) {
                         ret = HYPERVISOR_update_va_mapping(
                                 (unsigned long)__va(pfn << PAGE_SHIFT),
                                 __pte_ma(0), 0);
@@ -296,7 +296,7 @@ static int decrease_reservation(unsigned long nr_pages)
         /* No more mappings: invalidate P2M and add to balloon. */
         for (i = 0; i < nr_pages; i++) {
                 pfn = mfn_to_pfn(frame_list[i]);
-                set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
+                __set_phys_to_machine(pfn, INVALID_P2M_ENTRY);
                 balloon_append(pfn_to_page(pfn));
         }
 
@@ -392,15 +392,19 @@ static struct notifier_block xenstore_notifier;
 
 static int __init balloon_init(void)
 {
-        unsigned long pfn, extra_pfn_end;
+        unsigned long pfn, nr_pages, extra_pfn_end;
         struct page *page;
 
-        if (!xen_pv_domain())
+        if (!xen_domain())
                 return -ENODEV;
 
         pr_info("xen_balloon: Initialising balloon driver.\n");
 
-        balloon_stats.current_pages = min(xen_start_info->nr_pages, max_pfn);
+        if (xen_pv_domain())
+                nr_pages = xen_start_info->nr_pages;
+        else
+                nr_pages = max_pfn;
+        balloon_stats.current_pages = min(nr_pages, max_pfn);
         balloon_stats.target_pages  = balloon_stats.current_pages;
         balloon_stats.balloon_low   = 0;
         balloon_stats.balloon_high  = 0;
diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 74681478100..0ad1699a1b3 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -114,7 +114,7 @@ struct cpu_evtchn_s {
 static __initdata struct cpu_evtchn_s init_evtchn_mask = {
         .bits[0 ... (NR_EVENT_CHANNELS/BITS_PER_LONG)-1] = ~0ul,
 };
-static struct cpu_evtchn_s *cpu_evtchn_mask_p = &init_evtchn_mask;
+static struct cpu_evtchn_s __refdata *cpu_evtchn_mask_p = &init_evtchn_mask;
 
 static inline unsigned long *cpu_evtchn_mask(int cpu)
 {
@@ -277,7 +277,7 @@ static void bind_evtchn_to_cpu(unsigned int chn, unsigned int cpu)
 
         BUG_ON(irq == -1);
 #ifdef CONFIG_SMP
-        cpumask_copy(irq_to_desc(irq)->affinity, cpumask_of(cpu));
+        cpumask_copy(irq_to_desc(irq)->irq_data.affinity, cpumask_of(cpu));
 #endif
 
         clear_bit(chn, cpu_evtchn_mask(cpu_from_irq(irq)));
@@ -294,7 +294,7 @@ static void init_evtchn_cpu_bindings(void)
 
         /* By default all event channels notify CPU#0. */
         for_each_irq_desc(i, desc) {
-                cpumask_copy(desc->affinity, cpumask_of(0));
+                cpumask_copy(desc->irq_data.affinity, cpumask_of(0));
         }
 #endif
 
@@ -376,81 +376,69 @@ static void unmask_evtchn(int port)
         put_cpu();
 }
 
-static int get_nr_hw_irqs(void)
+static int xen_allocate_irq_dynamic(void)
 {
-        int ret = 1;
+        int first = 0;
+        int irq;
 
 #ifdef CONFIG_X86_IO_APIC
-        ret = get_nr_irqs_gsi();
+        /*
+         * For an HVM guest or domain 0 which see "real" (emulated or
+         * actual repectively) GSIs we allocate dynamic IRQs
+         * e.g. those corresponding to event channels or MSIs
+         * etc. from the range above those "real" GSIs to avoid
+         * collisions.
+         */
+        if (xen_initial_domain() || xen_hvm_domain())
+                first = get_nr_irqs_gsi();
 #endif
 
-        return ret;
-}
+retry:
+        irq = irq_alloc_desc_from(first, -1);
 
-static int find_unbound_pirq(int type)
-{
-        int rc, i;
-        struct physdev_get_free_pirq op_get_free_pirq;
-        op_get_free_pirq.type = type;
+        if (irq == -ENOMEM && first > NR_IRQS_LEGACY) {
+                printk(KERN_ERR "Out of dynamic IRQ space and eating into GSI space. You should increase nr_irqs\n");
+                first = max(NR_IRQS_LEGACY, first - NR_IRQS_LEGACY);
+                goto retry;
+        }
 
-        rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_free_pirq, &op_get_free_pirq);
-        if (!rc)
-                return op_get_free_pirq.pirq;
+        if (irq < 0)
+                panic("No available IRQ to bind to: increase nr_irqs!\n");
 
-        for (i = 0; i < nr_irqs; i++) {
-                if (pirq_to_irq[i] < 0)
-                        return i;
-        }
-        return -1;
+        return irq;
 }
 
-static int find_unbound_irq(void)
+static int xen_allocate_irq_gsi(unsigned gsi)
 {
-        struct irq_data *data;
-        int irq, res;
-        int bottom = get_nr_hw_irqs();
-        int top = nr_irqs-1;
-
-        if (bottom == nr_irqs)
-                goto no_irqs;
+        int irq;
 
-        /* This loop starts from the top of IRQ space and goes down.
-         * We need this b/c if we have a PCI device in a Xen PV guest
-         * we do not have an IO-APIC (though the backend might have them)
-         * mapped in. To not have a collision of physical IRQs with the Xen
-         * event channels start at the top of the IRQ space for virtual IRQs.
+        /*
+         * A PV guest has no concept of a GSI (since it has no ACPI
+         * nor access to/knowledge of the physical APICs). Therefore
+         * all IRQs are dynamically allocated from the entire IRQ
+         * space.
          */
-        for (irq = top; irq > bottom; irq--) {
-                data = irq_get_irq_data(irq);
-                /* only 15->0 have init'd desc; handle irq > 16 */
-                if (!data)
-                        break;
-                if (data->chip == &no_irq_chip)
-                        break;
-                if (data->chip != &xen_dynamic_chip)
-                        continue;
-                if (irq_info[irq].type == IRQT_UNBOUND)
-                        return irq;
-        }
-
-        if (irq == bottom)
-                goto no_irqs;
+        if (xen_pv_domain() && !xen_initial_domain())
+                return xen_allocate_irq_dynamic();
 
-        res = irq_alloc_desc_at(irq, -1);
+        /* Legacy IRQ descriptors are already allocated by the arch. */
+        if (gsi < NR_IRQS_LEGACY)
+                return gsi;
 
-        if (WARN_ON(res != irq))
-                return -1;
+        irq = irq_alloc_desc_at(gsi, -1);
+        if (irq < 0)
+                panic("Unable to allocate to IRQ%d (%d)\n", gsi, irq);
 
         return irq;
-
-no_irqs:
-        panic("No available IRQ to bind to: increase nr_irqs!\n");
 }
 
-static bool identity_mapped_irq(unsigned irq)
+static void xen_free_irq(unsigned irq)
 {
-        /* identity map all the hardware irqs */
-        return irq < get_nr_hw_irqs();
+        /* Legacy IRQ descriptors are managed by the arch. */
+        if (irq < NR_IRQS_LEGACY)
+                return;
+
+        irq_free_desc(irq);
 }
 
 static void pirq_unmask_notify(int irq)
@@ -486,7 +474,7 @@ static bool probing_irq(int irq)
         return desc && desc->action == NULL;
 }
 
-static unsigned int startup_pirq(unsigned int irq)
+static unsigned int __startup_pirq(unsigned int irq)
 {
         struct evtchn_bind_pirq bind_pirq;
         struct irq_info *info = info_for_irq(irq);
@@ -524,9 +512,15 @@ out:
         return 0;
 }
 
-static void shutdown_pirq(unsigned int irq)
+static unsigned int startup_pirq(struct irq_data *data)
+{
+        return __startup_pirq(data->irq);
+}
+
+static void shutdown_pirq(struct irq_data *data)
 {
         struct evtchn_close close;
+        unsigned int irq = data->irq;
         struct irq_info *info = info_for_irq(irq);
         int evtchn = evtchn_from_irq(irq);
 
@@ -546,20 +540,20 @@ static void shutdown_pirq(unsigned int irq)
         info->evtchn = 0;
 }
 
-static void enable_pirq(unsigned int irq)
+static void enable_pirq(struct irq_data *data)
 {
-        startup_pirq(irq);
+        startup_pirq(data);
 }
 
-static void disable_pirq(unsigned int irq)
+static void disable_pirq(struct irq_data *data)
 {
 }
 
-static void ack_pirq(unsigned int irq)
+static void ack_pirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
-        move_native_irq(irq);
+        move_native_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn)) {
                 mask_evtchn(evtchn);
@@ -567,23 +561,6 @@ static void ack_pirq(unsigned int irq)
         }
 }
 
-static void end_pirq(unsigned int irq)
-{
-        int evtchn = evtchn_from_irq(irq);
-        struct irq_desc *desc = irq_to_desc(irq);
-
-        if (WARN_ON(!desc))
-                return;
-
-        if ((desc->status & (IRQ_DISABLED|IRQ_PENDING)) ==
-            (IRQ_DISABLED|IRQ_PENDING)) {
-                shutdown_pirq(irq);
-        } else if (VALID_EVTCHN(evtchn)) {
-                unmask_evtchn(evtchn);
-                pirq_unmask_notify(irq);
-        }
-}
-
 static int find_irq_by_gsi(unsigned gsi)
 {
         int irq;
@@ -638,14 +615,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
                 goto out;       /* XXX need refcount? */
         }
 
-        /* If we are a PV guest, we don't have GSIs (no ACPI passed). Therefore
-         * we are using the !xen_initial_domain() to drop in the function.*/
-        if (identity_mapped_irq(gsi) || (!xen_initial_domain() &&
-                                xen_pv_domain())) {
-                irq = gsi;
-                irq_alloc_desc_at(irq, -1);
-        } else
-                irq = find_unbound_irq();
+        irq = xen_allocate_irq_gsi(gsi);
 
         set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
                                       handle_level_irq, name);
@@ -658,7 +628,7 @@ int xen_map_pirq_gsi(unsigned pirq, unsigned gsi, int shareable, char *name)
          * this in the priv domain. */
         if (xen_initial_domain() &&
             HYPERVISOR_physdev_op(PHYSDEVOP_alloc_irq_vector, &irq_op)) {
-                irq_free_desc(irq);
+                xen_free_irq(irq);
                 irq = -ENOSPC;
                 goto out;
         }
@@ -674,87 +644,46 @@ out:
 }
 
 #ifdef CONFIG_PCI_MSI
-#include <linux/msi.h>
-#include "../pci/msi.h"
-
-void xen_allocate_pirq_msi(char *name, int *irq, int *pirq, int alloc)
+int xen_allocate_pirq_msi(struct pci_dev *dev, struct msi_desc *msidesc)
 {
-        spin_lock(&irq_mapping_update_lock);
-
-        if (alloc & XEN_ALLOC_IRQ) {
-                *irq = find_unbound_irq();
-                if (*irq == -1)
-                        goto out;
-        }
-
-        if (alloc & XEN_ALLOC_PIRQ) {
-                *pirq = find_unbound_pirq(MAP_PIRQ_TYPE_MSI);
-                if (*pirq == -1)
-                        goto out;
-        }
+        int rc;
+        struct physdev_get_free_pirq op_get_free_pirq;
 
-        set_irq_chip_and_handler_name(*irq, &xen_pirq_chip,
-                                      handle_level_irq, name);
+        op_get_free_pirq.type = MAP_PIRQ_TYPE_MSI;
+        rc = HYPERVISOR_physdev_op(PHYSDEVOP_get_free_pirq, &op_get_free_pirq);
 
-        irq_info[*irq] = mk_pirq_info(0, *pirq, 0, 0);
-        pirq_to_irq[*pirq] = *irq;
+        WARN_ONCE(rc == -ENOSYS,
+                  "hypervisor does not support the PHYSDEVOP_get_free_pirq interface\n");
 
-out:
-        spin_unlock(&irq_mapping_update_lock);
+        return rc ? -1 : op_get_free_pirq.pirq;
 }
 
-int xen_create_msi_irq(struct pci_dev *dev, struct msi_desc *msidesc, int type)
+int xen_bind_pirq_msi_to_irq(struct pci_dev *dev, struct msi_desc *msidesc,
+                             int pirq, int vector, const char *name)
 {
-        int irq = -1;
-        struct physdev_map_pirq map_irq;
-        int rc;
-        int pos;
-        u32 table_offset, bir;
-
-        memset(&map_irq, 0, sizeof(map_irq));
-        map_irq.domid = DOMID_SELF;
-        map_irq.type = MAP_PIRQ_TYPE_MSI;
-        map_irq.index = -1;
-        map_irq.pirq = -1;
-        map_irq.bus = dev->bus->number;
-        map_irq.devfn = dev->devfn;
-
-        if (type == PCI_CAP_ID_MSIX) {
-                pos = pci_find_capability(dev, PCI_CAP_ID_MSIX);
-
-                pci_read_config_dword(dev, msix_table_offset_reg(pos),
-                                        &table_offset);
-                bir = (u8)(table_offset & PCI_MSIX_FLAGS_BIRMASK);
-
-                map_irq.table_base = pci_resource_start(dev, bir);
-                map_irq.entry_nr = msidesc->msi_attrib.entry_nr;
-        }
+        int irq, ret;
 
         spin_lock(&irq_mapping_update_lock);
 
-        irq = find_unbound_irq();
-
+        irq = xen_allocate_irq_dynamic();
         if (irq == -1)
                 goto out;
 
-        rc = HYPERVISOR_physdev_op(PHYSDEVOP_map_pirq, &map_irq);
-        if (rc) {
-                printk(KERN_WARNING "xen map irq failed %d\n", rc);
-
-                irq_free_desc(irq);
-
-                irq = -1;
-                goto out;
-        }
-        irq_info[irq] = mk_pirq_info(0, map_irq.pirq, 0, map_irq.index);
-
         set_irq_chip_and_handler_name(irq, &xen_pirq_chip,
-                        handle_level_irq,
-                        (type == PCI_CAP_ID_MSIX) ? "msi-x":"msi");
+                                      handle_level_irq, name);
 
+        irq_info[irq] = mk_pirq_info(0, pirq, 0, vector);
+        pirq_to_irq[pirq] = irq;
+        ret = irq_set_msi_desc(irq, msidesc);
+        if (ret < 0)
+                goto error_irq;
 out:
         spin_unlock(&irq_mapping_update_lock);
         return irq;
+error_irq:
+        spin_unlock(&irq_mapping_update_lock);
+        xen_free_irq(irq);
+        return -1;
 }
 #endif
 
@@ -779,11 +708,12 @@ int xen_destroy_irq(int irq)
                         printk(KERN_WARNING "unmap irq failed %d\n", rc);
                         goto out;
                 }
-                pirq_to_irq[info->u.pirq.pirq] = -1;
         }
+        pirq_to_irq[info->u.pirq.pirq] = -1;
+
         irq_info[irq] = mk_unbound_info();
 
-        irq_free_desc(irq);
+        xen_free_irq(irq);
 
 out:
         spin_unlock(&irq_mapping_update_lock);
@@ -814,7 +744,7 @@ int bind_evtchn_to_irq(unsigned int evtchn)
         irq = evtchn_to_irq[evtchn];
 
         if (irq == -1) {
-                irq = find_unbound_irq();
+                irq = xen_allocate_irq_dynamic();
 
                 set_irq_chip_and_handler_name(irq, &xen_dynamic_chip,
                                               handle_fasteoi_irq, "event");
@@ -839,7 +769,7 @@ static int bind_ipi_to_irq(unsigned int ipi, unsigned int cpu)
         irq = per_cpu(ipi_to_irq, cpu)[ipi];
 
         if (irq == -1) {
-                irq = find_unbound_irq();
+                irq = xen_allocate_irq_dynamic();
                 if (irq < 0)
                         goto out;
 
@@ -875,7 +805,7 @@ int bind_virq_to_irq(unsigned int virq, unsigned int cpu)
         irq = per_cpu(virq_to_irq, cpu)[virq];
 
         if (irq == -1) {
-                irq = find_unbound_irq();
+                irq = xen_allocate_irq_dynamic();
 
                 set_irq_chip_and_handler_name(irq, &xen_percpu_chip,
                                               handle_percpu_irq, "virq");
@@ -934,7 +864,7 @@ static void unbind_from_irq(unsigned int irq)
         if (irq_info[irq].type != IRQT_UNBOUND) {
                 irq_info[irq] = mk_unbound_info();
 
-                irq_free_desc(irq);
+                xen_free_irq(irq);
         }
 
         spin_unlock(&irq_mapping_update_lock);
@@ -990,7 +920,7 @@ int bind_ipi_to_irqhandler(enum ipi_vector ipi,
         if (irq < 0)
                 return irq;
 
-        irqflags |= IRQF_NO_SUSPEND;
+        irqflags |= IRQF_NO_SUSPEND | IRQF_FORCE_RESUME;
         retval = request_irq(irq, handler, irqflags, devname, dev_id);
         if (retval != 0) {
                 unbind_from_irq(irq);
@@ -1234,11 +1164,12 @@ static int rebind_irq_to_cpu(unsigned irq, unsigned tcpu)
         return 0;
 }
 
-static int set_affinity_irq(unsigned irq, const struct cpumask *dest)
+static int set_affinity_irq(struct irq_data *data, const struct cpumask *dest,
+                            bool force)
 {
         unsigned tcpu = cpumask_first(dest);
 
-        return rebind_irq_to_cpu(irq, tcpu);
+        return rebind_irq_to_cpu(data->irq, tcpu);
 }
 
 int resend_irq_on_evtchn(unsigned int irq)
@@ -1257,35 +1188,35 @@ int resend_irq_on_evtchn(unsigned int irq)
         return 1;
 }
 
-static void enable_dynirq(unsigned int irq)
+static void enable_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 unmask_evtchn(evtchn);
 }
 
-static void disable_dynirq(unsigned int irq)
+static void disable_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 mask_evtchn(evtchn);
 }
 
-static void ack_dynirq(unsigned int irq)
+static void ack_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
 
-        move_masked_irq(irq);
+        move_masked_irq(data->irq);
 
         if (VALID_EVTCHN(evtchn))
                 unmask_evtchn(evtchn);
 }
 
-static int retrigger_dynirq(unsigned int irq)
+static int retrigger_dynirq(struct irq_data *data)
 {
-        int evtchn = evtchn_from_irq(irq);
+        int evtchn = evtchn_from_irq(data->irq);
         struct shared_info *sh = HYPERVISOR_shared_info;
         int ret = 0;
 
@@ -1334,7 +1265,7 @@ static void restore_cpu_pirqs(void)
 
                 printk(KERN_DEBUG "xen: --> irq=%d, pirq=%d\n", irq, map_irq.pirq);
 
-                startup_pirq(irq);
+                __startup_pirq(irq);
         }
 }
 
@@ -1445,7 +1376,6 @@ void xen_poll_irq(int irq)
 void xen_irq_resume(void)
 {
         unsigned int cpu, irq, evtchn;
-        struct irq_desc *desc;
 
         init_evtchn_cpu_bindings();
 
@@ -1465,66 +1395,48 @@ void xen_irq_resume(void)
                 restore_cpu_ipis(cpu);
         }
 
-        /*
-         * Unmask any IRQF_NO_SUSPEND IRQs which are enabled. These
-         * are not handled by the IRQ core.
-         */
-        for_each_irq_desc(irq, desc) {
-                if (!desc->action || !(desc->action->flags & IRQF_NO_SUSPEND))
-                        continue;
-                if (desc->status & IRQ_DISABLED)
-                        continue;
-
-                evtchn = evtchn_from_irq(irq);
-                if (evtchn == -1)
-                        continue;
-
-                unmask_evtchn(evtchn);
-        }
-
         restore_cpu_pirqs();
 }
 
 static struct irq_chip xen_dynamic_chip __read_mostly = {
-        .name           = "xen-dyn",
+        .name                   = "xen-dyn",
 
-        .disable        = disable_dynirq,
-        .mask           = disable_dynirq,
-        .unmask         = enable_dynirq,
+        .irq_disable            = disable_dynirq,
+        .irq_mask               = disable_dynirq,
+        .irq_unmask             = enable_dynirq,
 
-        .eoi            = ack_dynirq,
-        .set_affinity   = set_affinity_irq,
-        .retrigger      = retrigger_dynirq,
+        .irq_eoi                = ack_dynirq,
+        .irq_set_affinity       = set_affinity_irq,
+        .irq_retrigger          = retrigger_dynirq,
 };
 
 static struct irq_chip xen_pirq_chip __read_mostly = {
-        .name           = "xen-pirq",
+        .name                   = "xen-pirq",
 
-        .startup        = startup_pirq,
-        .shutdown       = shutdown_pirq,
+        .irq_startup            = startup_pirq,
+        .irq_shutdown           = shutdown_pirq,
 
-        .enable         = enable_pirq,
-        .unmask         = enable_pirq,
+        .irq_enable             = enable_pirq,
+        .irq_unmask             = enable_pirq,
 
-        .disable        = disable_pirq,
-        .mask           = disable_pirq,
+        .irq_disable            = disable_pirq,
+        .irq_mask               = disable_pirq,
 
-        .ack            = ack_pirq,
-        .end            = end_pirq,
+        .irq_ack                = ack_pirq,
 
-        .set_affinity   = set_affinity_irq,
+        .irq_set_affinity       = set_affinity_irq,
 
-        .retrigger      = retrigger_dynirq,
+        .irq_retrigger          = retrigger_dynirq,
 };
 
 static struct irq_chip xen_percpu_chip __read_mostly = {
-        .name           = "xen-percpu",
+        .name                   = "xen-percpu",
 
-        .disable        = disable_dynirq,
-        .mask           = disable_dynirq,
-        .unmask         = enable_dynirq,
+        .irq_disable            = disable_dynirq,
+        .irq_mask               = disable_dynirq,
+        .irq_unmask             = enable_dynirq,
 
-        .ack            = ack_dynirq,
+        .irq_ack                = ack_dynirq,
 };
 
 int xen_set_callback_via(uint64_t via)
diff --git a/drivers/xen/manage.c b/drivers/xen/manage.c
index 24177272bcb..ebb292859b5 100644
--- a/drivers/xen/manage.c
+++ b/drivers/xen/manage.c
@@ -34,42 +34,38 @@ enum shutdown_state {
 /* Ignore multiple shutdown requests. */
 static enum shutdown_state shutting_down = SHUTDOWN_INVALID;
 
-#ifdef CONFIG_PM_SLEEP
-static int xen_hvm_suspend(void *data)
-{
-        int err;
-        struct sched_shutdown r = { .reason = SHUTDOWN_suspend };
-        int *cancelled = data;
-
-        BUG_ON(!irqs_disabled());
-
-        err = sysdev_suspend(PMSG_SUSPEND);
-        if (err) {
-                printk(KERN_ERR "xen_hvm_suspend: sysdev_suspend failed: %d\n",
-                       err);
-                return err;
-        }
-
-        *cancelled = HYPERVISOR_sched_op(SCHEDOP_shutdown, &r);
+struct suspend_info {
+        int cancelled;
+        unsigned long arg; /* extra hypercall argument */
+        void (*pre)(void);
+        void (*post)(int cancelled);
+};
 
-        xen_hvm_post_suspend(*cancelled);
+static void xen_hvm_post_suspend(int cancelled)
+{
+        xen_arch_hvm_post_suspend(cancelled);
         gnttab_resume();
+}
 
-        if (!*cancelled) {
-                xen_irq_resume();
-                xen_console_resume();
-                xen_timer_resume();
-        }
-
-        sysdev_resume();
+static void xen_pre_suspend(void)
+{
+        xen_mm_pin_all();
+        gnttab_suspend();
+        xen_arch_pre_suspend();
+}
 
-        return 0;
+static void xen_post_suspend(int cancelled)
+{
+        xen_arch_post_suspend(cancelled);
+        gnttab_resume();
+        xen_mm_unpin_all();
 }
 
+#ifdef CONFIG_PM_SLEEP
 static int xen_suspend(void *data)
 {
+        struct suspend_info *si = data;
         int err;
-        int *cancelled = data;
 
         BUG_ON(!irqs_disabled());
 
@@ -80,22 +76,20 @@ static int xen_suspend(void *data)
                 return err;
         }
 
-        xen_mm_pin_all();
-        gnttab_suspend();
-        xen_pre_suspend();
+        if (si->pre)
+                si->pre();
 
         /*
          * This hypercall returns 1 if suspend was cancelled
          * or the domain was merely checkpointed, and 0 if it
          * is resuming in a new domain.
          */
-        *cancelled = HYPERVISOR_suspend(virt_to_mfn(xen_start_info));
+        si->cancelled = HYPERVISOR_suspend(si->arg);
 
-        xen_post_suspend(*cancelled);
-        gnttab_resume();
-        xen_mm_unpin_all();
+        if (si->post)
+                si->post(si->cancelled);
 
-        if (!*cancelled) {
+        if (!si->cancelled) {
                 xen_irq_resume();
                 xen_console_resume();
                 xen_timer_resume();
@@ -109,7 +103,7 @@ static int xen_suspend(void *data)
 static void do_suspend(void)
 {
         int err;
-        int cancelled = 1;
+        struct suspend_info si;
 
         shutting_down = SHUTDOWN_SUSPEND;
 
@@ -139,20 +133,29 @@ static void do_suspend(void)
                 goto out_resume;
         }
 
-        if (xen_hvm_domain())
-                err = stop_machine(xen_hvm_suspend, &cancelled, cpumask_of(0));
-        else
-                err = stop_machine(xen_suspend, &cancelled, cpumask_of(0));
+        si.cancelled = 1;
+
+        if (xen_hvm_domain()) {
+                si.arg = 0UL;
+                si.pre = NULL;
+                si.post = &xen_hvm_post_suspend;
+        } else {
+                si.arg = virt_to_mfn(xen_start_info);
+                si.pre = &xen_pre_suspend;
+                si.post = &xen_post_suspend;
+        }
+
+        err = stop_machine(xen_suspend, &si, cpumask_of(0));
 
         dpm_resume_noirq(PMSG_RESUME);
 
         if (err) {
                 printk(KERN_ERR "failed to start xen_suspend: %d\n", err);
-                cancelled = 1;
+                si.cancelled = 1;
         }
 
 out_resume:
-        if (!cancelled) {
+        if (!si.cancelled) {
                 xen_arch_resume();
                 xs_resume();
         } else
@@ -172,12 +175,39 @@ out:
 }
 #endif  /* CONFIG_PM_SLEEP */
 
+struct shutdown_handler {
+        const char *command;
+        void (*cb)(void);
+};
+
+static void do_poweroff(void)
+{
+        shutting_down = SHUTDOWN_POWEROFF;
+        orderly_poweroff(false);
+}
+
+static void do_reboot(void)
+{
+        shutting_down = SHUTDOWN_POWEROFF; /* ? */
+        ctrl_alt_del();
+}
+
 static void shutdown_handler(struct xenbus_watch *watch,
                              const char **vec, unsigned int len)
 {
         char *str;
         struct xenbus_transaction xbt;
         int err;
+        static struct shutdown_handler handlers[] = {
+                { "poweroff",   do_poweroff },
+                { "halt",       do_poweroff },
+                { "reboot",     do_reboot   },
+#ifdef CONFIG_PM_SLEEP
+                { "suspend",    do_suspend  },
+#endif
+                {NULL, NULL},
+        };
+        static struct shutdown_handler *handler;
 
         if (shutting_down != SHUTDOWN_INVALID)
                 return;
@@ -194,7 +224,14 @@ static void shutdown_handler(struct xenbus_watch *watch,
                 return;
         }
 
-        xenbus_write(xbt, "control", "shutdown", "");
+        for (handler = &handlers[0]; handler->command; handler++) {
+                if (strcmp(str, handler->command) == 0)
+                        break;
+        }
+
+        /* Only acknowledge commands which we are prepared to handle. */
+        if (handler->cb)
+                xenbus_write(xbt, "control", "shutdown", "");
 
         err = xenbus_transaction_end(xbt, 0);
         if (err == -EAGAIN) {
@@ -202,17 +239,8 @@ static void shutdown_handler(struct xenbus_watch *watch,
                 goto again;
         }
 
-        if (strcmp(str, "poweroff") == 0 ||
-            strcmp(str, "halt") == 0) {
-                shutting_down = SHUTDOWN_POWEROFF;
-                orderly_poweroff(false);
-        } else if (strcmp(str, "reboot") == 0) {
-                shutting_down = SHUTDOWN_POWEROFF; /* ? */
-                ctrl_alt_del();
-#ifdef CONFIG_PM_SLEEP
-        } else if (strcmp(str, "suspend") == 0) {
-                do_suspend();
-#endif
+        if (handler->cb) {
+                handler->cb();
         } else {
                 printk(KERN_INFO "Ignoring shutdown request: %s\n", str);
                 shutting_down = SHUTDOWN_INVALID;
@@ -291,27 +319,18 @@ static int shutdown_event(struct notifier_block *notifier,
         return NOTIFY_DONE;
 }
 
-static int __init __setup_shutdown_event(void)
-{
-        /* Delay initialization in the PV on HVM case */
-        if (xen_hvm_domain())
-                return 0;
-
-        if (!xen_pv_domain())
-                return -ENODEV;
-
-        return xen_setup_shutdown_event();
-}
-
 int xen_setup_shutdown_event(void)
 {
         static struct notifier_block xenstore_notifier = {
                 .notifier_call = shutdown_event
         };
+
+        if (!xen_domain())
+                return -ENODEV;
         register_xenstore_notifier(&xenstore_notifier);
 
         return 0;
 }
 EXPORT_SYMBOL_GPL(xen_setup_shutdown_event);
 
-subsys_initcall(__setup_shutdown_event);
+subsys_initcall(xen_setup_shutdown_event);
diff --git a/drivers/xen/platform-pci.c b/drivers/xen/platform-pci.c
index afbe041f42c..319dd0a94d5 100644
--- a/drivers/xen/platform-pci.c
+++ b/drivers/xen/platform-pci.c
@@ -156,9 +156,6 @@ static int __devinit platform_pci_init(struct pci_dev *pdev,
         if (ret)
                 goto out;
         xenbus_probe(NULL);
-        ret = xen_setup_shutdown_event();
-        if (ret)
-                goto out;
         return 0;
 
 out: