24 files changed, 102 insertions, 73 deletions

diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c
index 0eae9b453556..5a4aad123c42 100644
--- a/drivers/ata/libata-sff.c
+++ b/drivers/ata/libata-sff.c
@@ -1013,9 +1013,12 @@ next_sg:
                 qc->cursg_ofs = 0;
         }
 
-        /* consumed can be larger than count only for the last transfer */
-        WARN_ON_ONCE(qc->cursg && count != consumed);
-
+        /*
+         * There used to be a  WARN_ON_ONCE(qc->cursg && count != consumed);
+         * Unfortunately __atapi_pio_bytes doesn't know enough to do the WARN
+         * check correctly as it doesn't know if it is the last request being
+         * made. Somebody should implement a proper sanity check.
+         */
         if (bytes)
                 goto next_sg;
         return 0;
diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c
index f828a29d7756..f1bb2f9fecbf 100644
--- a/drivers/ata/pata_it821x.c
+++ b/drivers/ata/pata_it821x.c
@@ -80,7 +80,7 @@
 
 
 #define DRV_NAME "pata_it821x"
-#define DRV_VERSION "0.4.0"
+#define DRV_VERSION "0.4.2"
 
 struct it821x_dev
 {
@@ -494,8 +494,6 @@ static int it821x_smart_set_mode(struct ata_link *link, struct ata_device **unus
  *      special. In our case we need to lock the sector count to avoid
  *      blowing the brains out of the firmware with large LBA48 requests
  *
- *      FIXME: When FUA appears we need to block FUA too. And SMART and
- *      basically we need to filter commands for this chip.
  */
 
 static void it821x_dev_config(struct ata_device *adev)
@@ -890,6 +888,13 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                 .flags = ATA_FLAG_SLAVE_POSS,
                 .pio_mask = 0x1f,
                 .mwdma_mask = 0x07,
+                .udma_mask = ATA_UDMA6,
+                .port_ops = &it821x_rdc_port_ops
+        };
+        static const struct ata_port_info info_rdc_11 = {
+                .flags = ATA_FLAG_SLAVE_POSS,
+                .pio_mask = 0x1f,
+                .mwdma_mask = 0x07,
                 /* No UDMA */
                 .port_ops = &it821x_rdc_port_ops
         };
@@ -903,7 +908,11 @@ static int it821x_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
                 return rc;
                 
         if (pdev->vendor == PCI_VENDOR_ID_RDC) {
-                ppi[0] = &info_rdc;
+                /* Deal with Vortex86SX */
+                if (pdev->revision == 0x11)
+                        ppi[0] = &info_rdc_11;
+                else
+                        ppi[0] = &info_rdc;
         } else {
                 /* Force the card into bypass mode if so requested */
                 if (it8212_noraid) {
diff --git a/drivers/ide/Kconfig b/drivers/ide/Kconfig
index 3f9503867e6b..b1c6f68d98ce 100644
--- a/drivers/ide/Kconfig
+++ b/drivers/ide/Kconfig
@@ -701,11 +701,6 @@ config BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        depends on SOC_AU1200 && BLK_DEV_IDE_AU1XXX
 endchoice
 
-config BLK_DEV_IDE_AU1XXX_SEQTS_PER_RQ
-       int "Maximum transfer size (KB) per request (up to 128)"
-       default "128"
-       depends on BLK_DEV_IDE_AU1XXX
-
 config BLK_DEV_IDE_TX4938
         tristate "TX4938 internal IDE support"
         depends on SOC_TX4938
diff --git a/drivers/ide/ide-disk.c b/drivers/ide/ide-disk.c
index 4088a622873e..806760d24cef 100644
--- a/drivers/ide/ide-disk.c
+++ b/drivers/ide/ide-disk.c
@@ -633,7 +633,7 @@ static void ide_disk_setup(ide_drive_t *drive)
         printk(KERN_INFO "%s: max request size: %dKiB\n", drive->name,
                 q->max_sectors / 2);
 
-        if (ata_id_is_ssd(id) || ata_id_is_cfa(id))
+        if (ata_id_is_ssd(id))
                 queue_flag_set_unlocked(QUEUE_FLAG_NONROT, q);
 
         /* calculate drive capacity, and select LBA if possible */
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index e728cfe7273f..753b92ebe0ae 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -493,7 +493,7 @@ static int __ide_wait_stat(ide_drive_t *drive, u8 good, u8 bad, unsigned long ti
         stat = tp_ops->read_status(hwif);
 
         if (stat & ATA_BUSY) {
-                local_irq_save(flags);
+                local_save_flags(flags);
                 local_irq_enable_in_hardirq();
                 timeout += jiffies;
                 while ((stat = tp_ops->read_status(hwif)) & ATA_BUSY) {
diff --git a/drivers/ide/ide-pm.c b/drivers/ide/ide-pm.c
index 4b3bf6a06b70..60538d9c84ee 100644
--- a/drivers/ide/ide-pm.c
+++ b/drivers/ide/ide-pm.c
@@ -186,12 +186,10 @@ void ide_complete_pm_request(ide_drive_t *drive, struct request *rq)
                blk_pm_suspend_request(rq) ? "suspend" : "resume");
 #endif
         spin_lock_irqsave(q->queue_lock, flags);
-        if (blk_pm_suspend_request(rq)) {
+        if (blk_pm_suspend_request(rq))
                 blk_stop_queue(q);
-        } else {
+        else
                 drive->dev_flags &= ~IDE_DFLAG_BLOCKED;
-                blk_start_queue(q);
-        }
         spin_unlock_irqrestore(q->queue_lock, flags);
 
         drive->hwif->rq = NULL;
@@ -219,6 +217,8 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
                  * point.
                  */
                 ide_hwif_t *hwif = drive->hwif;
+                struct request_queue *q = drive->queue;
+                unsigned long flags;
                 int rc;
 #ifdef DEBUG_PM
                 printk("%s: Wakeup request inited, waiting for !BSY...\n", drive->name);
@@ -231,5 +231,9 @@ void ide_check_pm_state(ide_drive_t *drive, struct request *rq)
                 rc = ide_wait_not_busy(hwif, 100000);
                 if (rc)
                         printk(KERN_WARNING "%s: drive not ready on wakeup\n", drive->name);
+
+                spin_lock_irqsave(q->queue_lock, flags);
+                blk_start_queue(q);
+                spin_unlock_irqrestore(q->queue_lock, flags);
         }
 }
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 0ccbb4459fb9..312127ea443a 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -796,7 +796,7 @@ static int ide_probe_port(ide_hwif_t *hwif)
         if (irqd)
                 disable_irq(hwif->irq);
 
-        local_irq_save(flags);
+        local_save_flags(flags);
         local_irq_enable_in_hardirq();
 
         if (ide_port_wait_ready(hwif) == -EBUSY)
diff --git a/drivers/ide/it821x.c b/drivers/ide/it821x.c
index 0be27ac1f077..e1c4f5437396 100644
--- a/drivers/ide/it821x.c
+++ b/drivers/ide/it821x.c
@@ -68,6 +68,8 @@
 
 #define DRV_NAME "it821x"
 
+#define QUIRK_VORTEX86 1
+
 struct it821x_dev
 {
         unsigned int smart:1,           /* Are we in smart raid mode */
@@ -79,6 +81,7 @@ struct it821x_dev
         u16     pio[2];                 /* Cached PIO values */
         u16     mwdma[2];               /* Cached MWDMA values */
         u16     udma[2];                /* Cached UDMA values (per drive) */
+        u16     quirks;
 };
 
 #define ATA_66          0
@@ -557,8 +560,7 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
          *      this is necessary.
          */
 
-        pci_read_config_byte(dev, 0x08, &conf);
-        if (conf == 0x10) {
+        if (dev->revision == 0x10) {
                 idev->timing10 = 1;
                 hwif->host_flags |= IDE_HFLAG_NO_ATAPI_DMA;
                 if (idev->smart == 0)
@@ -577,6 +579,12 @@ static void __devinit init_hwif_it821x(ide_hwif_t *hwif)
 
         hwif->ultra_mask = ATA_UDMA6;
         hwif->mwdma_mask = ATA_MWDMA2;
+
+        /* Vortex86SX quirk: prevent Ultra-DMA mode to fix BadCRC issue */
+        if (idev->quirks & QUIRK_VORTEX86) {
+                if (dev->revision == 0x11)
+                        hwif->ultra_mask = 0;
+        }
 }
 
 static void it8212_disable_raid(struct pci_dev *dev)
@@ -649,6 +657,8 @@ static int __devinit it821x_init_one(struct pci_dev *dev, const struct pci_devic
                 return -ENOMEM;
         }
 
+        itdevs->quirks = id->driver_data;
+
         rc = ide_pci_init_one(dev, &it821x_chipset, itdevs);
         if (rc)
                 kfree(itdevs);
@@ -668,6 +678,7 @@ static void __devexit it821x_remove(struct pci_dev *dev)
 static const struct pci_device_id it821x_pci_tbl[] = {
         { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8211), 0 },
         { PCI_VDEVICE(ITE, PCI_DEVICE_ID_ITE_8212), 0 },
+        { PCI_VDEVICE(RDC, PCI_DEVICE_ID_RDC_D1010), QUIRK_VORTEX86 },
         { 0, },
 };
 
diff --git a/drivers/ide/sl82c105.c b/drivers/ide/sl82c105.c
index 48cc748c5043..6297956507c0 100644
--- a/drivers/ide/sl82c105.c
+++ b/drivers/ide/sl82c105.c
@@ -310,10 +310,6 @@ static const struct ide_port_info sl82c105_chipset __devinitdata = {
         .dma_ops        = &sl82c105_dma_ops,
         .host_flags     = IDE_HFLAG_IO_32BIT |
                           IDE_HFLAG_UNMASK_IRQS |
-/* FIXME: check for Compatibility mode in generic IDE PCI code */
-#if defined(CONFIG_LOPEC) || defined(CONFIG_SANDPOINT)
-                          IDE_HFLAG_FORCE_LEGACY_IRQS |
-#endif
                           IDE_HFLAG_SERIALIZE_DMA |
                           IDE_HFLAG_NO_AUTODMA,
         .pio_mask       = ATA_PIO5,
diff --git a/drivers/ide/tx4938ide.c b/drivers/ide/tx4938ide.c
index b4ef218072cd..d9095345f7ca 100644
--- a/drivers/ide/tx4938ide.c
+++ b/drivers/ide/tx4938ide.c
@@ -202,7 +202,6 @@ static const struct ide_tp_ops tx4938ide_tp_ops = {
         .exec_command           = ide_exec_command,
         .read_status            = ide_read_status,
         .read_altstatus         = ide_read_altstatus,
-        .read_sff_dma_status    = ide_read_sff_dma_status,
 
         .set_irq                = ide_set_irq,
 
diff --git a/drivers/ide/via82cxxx.c b/drivers/ide/via82cxxx.c
index fecc0e03c3fc..703c3eeb20a8 100644
--- a/drivers/ide/via82cxxx.c
+++ b/drivers/ide/via82cxxx.c
@@ -432,8 +432,6 @@ static int __devinit via_init_one(struct pci_dev *dev, const struct pci_device_i
         if (via_clock < 20000 || via_clock > 50000) {
                 printk(KERN_WARNING DRV_NAME ": User given PCI clock speed "
                         "impossible (%d), using 33 MHz instead.\n", via_clock);
-                printk(KERN_WARNING DRV_NAME ": Use ide0=ata66 if you want "
-                        "to assume 80-wire cable.\n");
                 via_clock = 33333;
         }
 
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 3b77b674cbf6..c7b8a506af65 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -955,7 +955,7 @@ void ehca_poll_eqs(unsigned long data)
                         struct ehca_eq *eq = &shca->eq;
                         int max = 3;
                         volatile u64 q_ofs, q_ofs2;
-                        u64 flags;
+                        unsigned long flags;
                         spin_lock_irqsave(&eq->spinlock, flags);
                         q_ofs = eq->ipz_queue.current_q_offset;
                         spin_unlock_irqrestore(&eq->spinlock, flags);
diff --git a/drivers/infiniband/hw/mlx4/main.c b/drivers/infiniband/hw/mlx4/main.c
index dcefe1fceb5c..61588bd273bd 100644
--- a/drivers/infiniband/hw/mlx4/main.c
+++ b/drivers/infiniband/hw/mlx4/main.c
@@ -543,14 +543,21 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
 {
         static int mlx4_ib_version_printed;
         struct mlx4_ib_dev *ibdev;
+        int num_ports = 0;
         int i;
 
-
         if (!mlx4_ib_version_printed) {
                 printk(KERN_INFO "%s", mlx4_ib_version);
                 ++mlx4_ib_version_printed;
         }
 
+        mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
+                num_ports++;
+
+        /* No point in registering a device with no ports... */
+        if (num_ports == 0)
+                return NULL;
+
         ibdev = (struct mlx4_ib_dev *) ib_alloc_device(sizeof *ibdev);
         if (!ibdev) {
                 dev_err(&dev->pdev->dev, "Device struct alloc failed\n");
@@ -574,9 +581,7 @@ static void *mlx4_ib_add(struct mlx4_dev *dev)
         ibdev->ib_dev.owner             = THIS_MODULE;
         ibdev->ib_dev.node_type         = RDMA_NODE_IB_CA;
         ibdev->ib_dev.local_dma_lkey    = dev->caps.reserved_lkey;
-        ibdev->num_ports = 0;
-        mlx4_foreach_port(i, dev, MLX4_PORT_TYPE_IB)
-                ibdev->num_ports++;
+        ibdev->num_ports                = num_ports;
         ibdev->ib_dev.phys_port_cnt     = ibdev->num_ports;
         ibdev->ib_dev.num_comp_vectors  = dev->caps.num_comp_vectors;
         ibdev->ib_dev.dma_device        = &dev->pdev->dev;
diff --git a/drivers/infiniband/hw/nes/nes_cm.c b/drivers/infiniband/hw/nes/nes_cm.c
index 6ba57e91d7ab..a01b4488208b 100644
--- a/drivers/infiniband/hw/nes/nes_cm.c
+++ b/drivers/infiniband/hw/nes/nes_cm.c
@@ -778,12 +778,13 @@ static struct nes_cm_node *find_node(struct nes_cm_core *cm_core,
         unsigned long flags;
         struct list_head *hte;
         struct nes_cm_node *cm_node;
+        __be32 tmp_addr = cpu_to_be32(loc_addr);
 
         /* get a handle on the hte */
         hte = &cm_core->connected_nodes;
 
         nes_debug(NES_DBG_CM, "Searching for an owner node: %pI4:%x from core %p->%p\n",
-                  &loc_addr, loc_port, cm_core, hte);
+                  &tmp_addr, loc_port, cm_core, hte);
 
         /* walk list and find cm_node associated with this session ID */
         spin_lock_irqsave(&cm_core->ht_lock, flags);
@@ -816,6 +817,7 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core,
 {
         unsigned long flags;
         struct nes_cm_listener *listen_node;
+        __be32 tmp_addr = cpu_to_be32(dst_addr);
 
         /* walk list and find cm_node associated with this session ID */
         spin_lock_irqsave(&cm_core->listen_list_lock, flags);
@@ -833,7 +835,7 @@ static struct nes_cm_listener *find_listener(struct nes_cm_core *cm_core,
         spin_unlock_irqrestore(&cm_core->listen_list_lock, flags);
 
         nes_debug(NES_DBG_CM, "Unable to find listener for %pI4:%x\n",
-                  &dst_addr, dst_port);
+                  &tmp_addr, dst_port);
 
         /* no listener */
         return NULL;
@@ -2059,6 +2061,7 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
         struct tcphdr *tcph;
         struct nes_cm_info nfo;
         int skb_handled = 1;
+        __be32 tmp_daddr, tmp_saddr;
 
         if (!skb)
                 return 0;
@@ -2074,8 +2077,11 @@ static int mini_cm_recv_pkt(struct nes_cm_core *cm_core,
         nfo.rem_addr = ntohl(iph->saddr);
         nfo.rem_port = ntohs(tcph->source);
 
+        tmp_daddr = cpu_to_be32(iph->daddr);
+        tmp_saddr = cpu_to_be32(iph->saddr);
+
         nes_debug(NES_DBG_CM, "Received packet: dest=%pI4:0x%04X src=%pI4:0x%04X\n",
-                  &iph->daddr, tcph->dest, &iph->saddr, tcph->source);
+                  &tmp_daddr, tcph->dest, &tmp_saddr, tcph->source);
 
         do {
                 cm_node = find_node(cm_core,
diff --git a/drivers/infiniband/hw/nes/nes_utils.c b/drivers/infiniband/hw/nes/nes_utils.c
index aa9b7348c728..6f3bc1b6bf22 100644
--- a/drivers/infiniband/hw/nes/nes_utils.c
+++ b/drivers/infiniband/hw/nes/nes_utils.c
@@ -655,6 +655,7 @@ int nes_arp_table(struct nes_device *nesdev, u32 ip_addr, u8 *mac_addr, u32 acti
         struct nes_adapter *nesadapter = nesdev->nesadapter;
         int arp_index;
         int err = 0;
+        __be32 tmp_addr;
 
         for (arp_index = 0; (u32) arp_index < nesadapter->arp_table_size; arp_index++) {
                 if (nesadapter->arp_table[arp_index].ip_addr == ip_addr)
@@ -682,8 +683,9 @@ int nes_arp_table(struct nes_device *nesdev, u32 ip_addr, u8 *mac_addr, u32 acti
 
         /* DELETE or RESOLVE */
         if (arp_index == nesadapter->arp_table_size) {
+                tmp_addr = cpu_to_be32(ip_addr);
                 nes_debug(NES_DBG_NETDEV, "MAC for %pI4 not in ARP table - cannot %s\n",
-                          &ip_addr, action == NES_ARP_RESOLVE ? "resolve" : "delete");
+                          &tmp_addr, action == NES_ARP_RESOLVE ? "resolve" : "delete");
                 return -1;
         }
 
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index 19e06bc38b39..dce0443f9d69 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -711,26 +711,26 @@ static int ipoib_start_xmit(struct sk_buff *skb, struct net_device *dev)
 
                 neigh = *to_ipoib_neigh(skb->dst->neighbour);
 
-                if (neigh->ah)
-                        if (unlikely((memcmp(&neigh->dgid.raw,
-                                            skb->dst->neighbour->ha + 4,
-                                            sizeof(union ib_gid))) ||
-                                         (neigh->dev != dev))) {
-                                spin_lock_irqsave(&priv->lock, flags);
-                                /*
-                                 * It's safe to call ipoib_put_ah() inside
-                                 * priv->lock here, because we know that
-                                 * path->ah will always hold one more reference,
-                                 * so ipoib_put_ah() will never do more than
-                                 * decrement the ref count.
-                                 */
+                if (unlikely((memcmp(&neigh->dgid.raw,
+                                     skb->dst->neighbour->ha + 4,
+                                     sizeof(union ib_gid))) ||
+                             (neigh->dev != dev))) {
+                        spin_lock_irqsave(&priv->lock, flags);
+                        /*
+                         * It's safe to call ipoib_put_ah() inside
+                         * priv->lock here, because we know that
+                         * path->ah will always hold one more reference,
+                         * so ipoib_put_ah() will never do more than
+                         * decrement the ref count.
+                         */
+                        if (neigh->ah)
                                 ipoib_put_ah(neigh->ah);
-                                list_del(&neigh->list);
-                                ipoib_neigh_free(dev, neigh);
-                                spin_unlock_irqrestore(&priv->lock, flags);
-                                ipoib_path_lookup(skb, dev);
-                                return NETDEV_TX_OK;
-                        }
+                        list_del(&neigh->list);
+                        ipoib_neigh_free(dev, neigh);
+                        spin_unlock_irqrestore(&priv->lock, flags);
+                        ipoib_path_lookup(skb, dev);
+                        return NETDEV_TX_OK;
+                }
 
                 if (ipoib_cm_get(neigh)) {
                         if (ipoib_cm_up(neigh)) {
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index a2eb3b9789eb..59d02e0b8df1 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -529,6 +529,9 @@ void ipoib_mcast_join_task(struct work_struct *work)
         if (!priv->broadcast) {
                 struct ipoib_mcast *broadcast;
 
+                if (!test_bit(IPOIB_FLAG_ADMIN_UP, &priv->flags))
+                        return;
+
                 broadcast = ipoib_mcast_alloc(dev, 1);
                 if (!broadcast) {
                         ipoib_warn(priv, "failed to allocate broadcast group\n");
diff --git a/drivers/infiniband/ulp/iser/Kconfig b/drivers/infiniband/ulp/iser/Kconfig
index 77dedba829e6..b411c51842da 100644
--- a/drivers/infiniband/ulp/iser/Kconfig
+++ b/drivers/infiniband/ulp/iser/Kconfig
@@ -1,6 +1,6 @@
 config INFINIBAND_ISER
         tristate "iSCSI Extensions for RDMA (iSER)"
-        depends on SCSI && INET
+        depends on SCSI && INET && INFINIBAND_ADDR_TRANS
         select SCSI_ISCSI_ATTRS
         ---help---
           Support for the iSCSI Extensions for RDMA (iSER) Protocol
diff --git a/drivers/mfd/twl4030-core.c b/drivers/mfd/twl4030-core.c
index 074b11ffbf41..e7ab0035d305 100644
--- a/drivers/mfd/twl4030-core.c
+++ b/drivers/mfd/twl4030-core.c
@@ -649,7 +649,7 @@ static inline int __init unprotect_pm_master(void)
         return e;
 }
 
-static void __init clocks_init(void)
+static void __init clocks_init(struct device *dev)
 {
         int e = 0;
         struct clk *osc;
@@ -658,9 +658,9 @@ static void __init clocks_init(void)
 
 #if defined(CONFIG_ARCH_OMAP2) || defined(CONFIG_ARCH_OMAP3)
         if (cpu_is_omap2430())
-                osc = clk_get(NULL, "osc_ck");
+                osc = clk_get(dev, "osc_ck");
         else
-                osc = clk_get(NULL, "osc_sys_ck");
+                osc = clk_get(dev, "osc_sys_ck");
 
         if (IS_ERR(osc)) {
                 printk(KERN_WARNING "Skipping twl4030 internal clock init and "
@@ -776,7 +776,7 @@ twl4030_probe(struct i2c_client *client, const struct i2c_device_id *id)
         inuse = true;
 
         /* setup clock framework */
-        clocks_init();
+        clocks_init(&client->dev);
 
         /* Maybe init the T2 Interrupt subsystem */
         if (client->irq
diff --git a/drivers/net/mlx4/main.c b/drivers/net/mlx4/main.c
index 710c79e7a2db..6ef2490d5c3e 100644
--- a/drivers/net/mlx4/main.c
+++ b/drivers/net/mlx4/main.c
@@ -912,8 +912,8 @@ static void mlx4_enable_msi_x(struct mlx4_dev *dev)
         int i;
 
         if (msi_x) {
-                nreq = min(dev->caps.num_eqs - dev->caps.reserved_eqs,
-                           num_possible_cpus() + 1);
+                nreq = min_t(int, dev->caps.num_eqs - dev->caps.reserved_eqs,
+                             num_possible_cpus() + 1);
                 entries = kcalloc(nreq, sizeof *entries, GFP_KERNEL);
                 if (!entries)
                         goto no_msi;
diff --git a/drivers/parisc/superio.c b/drivers/parisc/superio.c
index 1e93c837514f..4fa3bb2ddfe4 100644
--- a/drivers/parisc/superio.c
+++ b/drivers/parisc/superio.c
@@ -405,7 +405,6 @@ static void __init superio_serial_init(void)
         serial_port.type        = PORT_16550A;
         serial_port.uartclk     = 115200*16;
         serial_port.fifosize    = 16;
-        spin_lock_init(&serial_port.lock);
 
         /* serial port #1 */
         serial_port.iobase      = sio_dev.sp1_base;
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 235fb7a5a8a5..3dfecb20d5e7 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -438,7 +438,8 @@ static struct intel_iommu *device_to_iommu(u8 bus, u8 devfn)
                         continue;
 
                 for (i = 0; i < drhd->devices_cnt; i++)
-                        if (drhd->devices[i]->bus->number == bus &&
+                        if (drhd->devices[i] &&
+                            drhd->devices[i]->bus->number == bus &&
                             drhd->devices[i]->devfn == devfn)
                                 return drhd->iommu;
 
diff --git a/drivers/pci/syscall.c b/drivers/pci/syscall.c
index 645d7a60e412..ec22284eed30 100644
--- a/drivers/pci/syscall.c
+++ b/drivers/pci/syscall.c
@@ -14,10 +14,8 @@
 #include <asm/uaccess.h>
 #include "pci.h"
 
-asmlinkage long
-sys_pciconfig_read(unsigned long bus, unsigned long dfn,
-                   unsigned long off, unsigned long len,
-                   void __user *buf)
+SYSCALL_DEFINE5(pciconfig_read, unsigned long, bus, unsigned long, dfn,
+                unsigned long, off, unsigned long, len, void __user *, buf)
 {
         struct pci_dev *dev;
         u8 byte;
@@ -86,10 +84,8 @@ error:
         return err;
 }
 
-asmlinkage long
-sys_pciconfig_write(unsigned long bus, unsigned long dfn,
-                    unsigned long off, unsigned long len,
-                    void __user *buf)
+SYSCALL_DEFINE5(pciconfig_write, unsigned long, bus, unsigned long, dfn,
+                unsigned long, off, unsigned long, len, void __user *, buf)
 {
         struct pci_dev *dev;
         u8 byte;
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index 1889a63ebc22..0d934bfbdd9b 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -2839,6 +2839,8 @@ int __init early_serial_setup(struct uart_port *port)
         p->flags        = port->flags;
         p->mapbase      = port->mapbase;
         p->private_data = port->private_data;
+        p->type         = port->type;
+        p->line         = port->line;
 
         set_io_from_upio(p);
         if (port->serial_in)