Merge branch 'perf/core' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip into trace/tip/tracing/core-7

Conflicts: include/linux/ftrace_event.h include/trace/ftrace.h kernel/trace/trace_event_perf.c kernel/trace/trace_kprobe.c kernel/trace/trace_syscalls.c Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
author: Steven Rostedt <srostedt@redhat.com> 2010-05-21 11:49:57 -0400
committer: Steven Rostedt <rostedt@goodmis.org> 2010-05-21 11:49:57 -0400
commit: ff5f149b6aec8edbfa3698721667acd043009a33 (patch)
tree: d052553eb296dfee3f01b1cb2b717cb7ccf3127a /drivers
parent: f0218b3e9974f06014b61be8987159f4a20e011e (diff)
parent: 580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff)
117 files changed, 962 insertions, 863 deletions
diff --git a/drivers/Makefile b/drivers/Makefile
index 34f1e1064dbc..f42a03029b7c 100644
--- a/drivers/Makefile
+++ b/drivers/Makefile
@@ -17,6 +17,7 @@ obj-$(CONFIG_SFI)		+= sfi/
 obj-$(CONFIG_PNP)               += pnp/
 obj-$(CONFIG_ARM_AMBA)          += amba/
+obj-$(CONFIG_VIRTIO)            += virtio/
 obj-$(CONFIG_XEN)               += xen/
 # regulators early, since some subsystems rely on them to initialize
@@ -108,7 +109,6 @@ obj-$(CONFIG_PPC_PS3)		+= ps3/
 obj-$(CONFIG_OF)                += of/
 obj-$(CONFIG_SSB)               += ssb/
 obj-$(CONFIG_VHOST_NET)         += vhost/
-obj-$(CONFIG_VIRTIO)            += virtio/
 obj-$(CONFIG_VLYNQ)             += vlynq/
 obj-$(CONFIG_STAGING)           += staging/
 obj-y                           += platform/
diff --git a/drivers/acpi/acpi_pad.c b/drivers/acpi/acpi_pad.c
index 19dacfd43163..62122134693b 100644
--- a/drivers/acpi/acpi_pad.c
+++ b/drivers/acpi/acpi_pad.c
@@ -31,7 +31,7 @@
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
-#define ACPI_PROCESSOR_AGGREGATOR_CLASS "processor_aggregator"
+#define ACPI_PROCESSOR_AGGREGATOR_CLASS "acpi_pad"
 #define ACPI_PROCESSOR_AGGREGATOR_DEVICE_NAME "Processor Aggregator"
 #define ACPI_PROCESSOR_AGGREGATOR_NOTIFY 0x80
 static DEFINE_MUTEX(isolated_cpus_lock);
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index 37132dc2da03..743576bf1bd7 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -527,7 +527,7 @@ int acpi_bus_generate_proc_event4(const char *device_class, const char *bus_id,
        if (!event_is_open)
                return 0;
-        event = kmalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
+        event = kzalloc(sizeof(struct acpi_bus_event), GFP_ATOMIC);
        if (!event)
                return -ENOMEM;
diff --git a/drivers/acpi/hest.c b/drivers/acpi/hest.c
index 4bb18c980ac6..1c527a192872 100644
--- a/drivers/acpi/hest.c
+++ b/drivers/acpi/hest.c
@@ -123,6 +123,10 @@ int acpi_hest_firmware_first_pci(struct pci_dev *pci)
 {
        acpi_status status = AE_NOT_FOUND;
        struct acpi_table_header *hest = NULL;
+        if (acpi_disabled)
+                return 0;
        status = acpi_get_table(ACPI_SIG_HEST, 1, &hest);
        if (ACPI_SUCCESS(status)) {
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index b0a71ecee682..e4804fb05e23 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -401,11 +401,13 @@ int acpi_pci_irq_enable(struct pci_dev *dev)
         * driver reported one, then use it. Exit in any case.
         */
        if (gsi < 0) {
+                u32 dev_gsi;
                dev_warn(&dev->dev, "PCI INT %c: no GSI", pin_name(pin));
                /* Interrupt Line values above 0xF are forbidden */
-                if (dev->irq > 0 && (dev->irq <= 0xF)) {
+                if (dev->irq > 0 && (dev->irq <= 0xF) &&
-                        printk(" - using IRQ %d\n", dev->irq);
+                    (acpi_isa_irq_to_gsi(dev->irq, &dev_gsi) == 0)) {
-                        acpi_register_gsi(&dev->dev, dev->irq,
+                        printk(" - using ISA IRQ %d\n", dev->irq);
+                        acpi_register_gsi(&dev->dev, dev_gsi,
                                          ACPI_LEVEL_SENSITIVE,
                                          ACPI_ACTIVE_LOW);
                        return 0;
diff --git a/drivers/acpi/power_meter.c b/drivers/acpi/power_meter.c
index e8c32a49f14e..66f67293341e 100644
--- a/drivers/acpi/power_meter.c
+++ b/drivers/acpi/power_meter.c
@@ -35,7 +35,7 @@
 #define ACPI_POWER_METER_NAME           "power_meter"
 ACPI_MODULE_NAME(ACPI_POWER_METER_NAME);
 #define ACPI_POWER_METER_DEVICE_NAME    "Power Meter"
-#define ACPI_POWER_METER_CLASS          "power_meter_resource"
+#define ACPI_POWER_METER_CLASS          "pwr_meter_resource"
 #define NUM_SENSORS                     17
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 36704b887ccf..f8be23b6c129 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -18,7 +18,7 @@
 #define PREFIX "ACPI: "
-#define ACPI_SMB_HC_CLASS       "smbus_host_controller"
+#define ACPI_SMB_HC_CLASS       "smbus_host_ctl"
 #define ACPI_SMB_HC_DEVICE_NAME "ACPI SMBus HC"
 struct acpi_smb_hc {
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index f74834a544fd..baa76bbf244a 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -450,6 +450,38 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                },
        },
        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T410",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T410"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad T510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad W510",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad W510"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Lenovo ThinkPad X201[s]",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X201"),
+                },
+        },
+        {
        .callback = init_old_suspend_ordering,
        .ident = "Panasonic CF51-2L",
        .matches = {
@@ -458,6 +490,30 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
                },
        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1558",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1558"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1557",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1557"),
+                },
+        },
+        {
+        .callback = init_set_sci_en_on_resume,
+        .ident = "Dell Studio 1555",
+        .matches = {
+                DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                DMI_MATCH(DMI_PRODUCT_NAME, "Studio 1555"),
+                },
+        },
        {},
 };
 #endif /* CONFIG_SUSPEND */
diff --git a/drivers/base/iommu.c b/drivers/base/iommu.c
index 8ad4ffea6920..6e6b6a11b3ce 100644
--- a/drivers/base/iommu.c
+++ b/drivers/base/iommu.c
@@ -80,20 +80,6 @@ void iommu_detach_device(struct iommu_domain *domain, struct device *dev)
 }
 EXPORT_SYMBOL_GPL(iommu_detach_device);
-int iommu_map_range(struct iommu_domain *domain, unsigned long iova,
-                    phys_addr_t paddr, size_t size, int prot)
-{
-        return iommu_ops->map(domain, iova, paddr, size, prot);
-}
-EXPORT_SYMBOL_GPL(iommu_map_range);
-void iommu_unmap_range(struct iommu_domain *domain, unsigned long iova,
-                      size_t size)
-{
-        iommu_ops->unmap(domain, iova, size);
-}
-EXPORT_SYMBOL_GPL(iommu_unmap_range);
 phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain,
                               unsigned long iova)
 {
@@ -107,3 +93,32 @@ int iommu_domain_has_cap(struct iommu_domain *domain,
        return iommu_ops->domain_has_cap(domain, cap);
 }
 EXPORT_SYMBOL_GPL(iommu_domain_has_cap);
+int iommu_map(struct iommu_domain *domain, unsigned long iova,
+              phys_addr_t paddr, int gfp_order, int prot)
+{
+        unsigned long invalid_mask;
+        size_t size;
+        size         = 0x1000UL << gfp_order;
+        invalid_mask = size - 1;
+        BUG_ON((iova | paddr) & invalid_mask);
+        return iommu_ops->map(domain, iova, paddr, gfp_order, prot);
+}
+EXPORT_SYMBOL_GPL(iommu_map);
+int iommu_unmap(struct iommu_domain *domain, unsigned long iova, int gfp_order)
+{
+        unsigned long invalid_mask;
+        size_t size;
+        size         = 0x1000UL << gfp_order;
+        invalid_mask = size - 1;
+        BUG_ON(iova & invalid_mask);
+        return iommu_ops->unmap(domain, iova, gfp_order);
+}
+EXPORT_SYMBOL_GPL(iommu_unmap);
diff --git a/drivers/base/platform.c b/drivers/base/platform.c
index 4b4b565c835f..c5fbe198fbdb 100644
--- a/drivers/base/platform.c
+++ b/drivers/base/platform.c
@@ -187,7 +187,7 @@ EXPORT_SYMBOL_GPL(platform_device_alloc);
 * released.
 */
 int platform_device_add_resources(struct platform_device *pdev,
-                                  struct resource *res, unsigned int num)
+                                  const struct resource *res, unsigned int num)
 {
        struct resource *r;
@@ -367,7 +367,7 @@ EXPORT_SYMBOL_GPL(platform_device_unregister);
 */
 struct platform_device *platform_device_register_simple(const char *name,
                                                        int id,
-                                                        struct resource *res,
+                                                        const struct resource *res,
                                                        unsigned int num)
 {
        struct platform_device *pdev;
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 0182a22c423a..832798aa14f6 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -66,6 +66,7 @@
 #include <linux/blkdev.h>
 #include <linux/elevator.h>
 #include <linux/interrupt.h>
+#include <linux/platform_device.h>
 #include <asm/setup.h>
 #include <asm/uaccess.h>
@@ -1696,34 +1697,18 @@ static struct kobject *floppy_find(dev_t dev, int *part, void *data)
        return get_disk(unit[drive].gendisk);
 }
-static int __init amiga_floppy_init(void)
+static int __init amiga_floppy_probe(struct platform_device *pdev)
 {
        int i, ret;
-        if (!MACH_IS_AMIGA)
-                return -ENODEV;
-        if (!AMIGAHW_PRESENT(AMI_FLOPPY))
-                return -ENODEV;
        if (register_blkdev(FLOPPY_MAJOR,"fd"))
                return -EBUSY;
-        /*
-         *  We request DSKPTR, DSKLEN and DSKDATA only, because the other
-         *  floppy registers are too spreaded over the custom register space
-         */
-        ret = -EBUSY;
-        if (!request_mem_region(CUSTOM_PHYSADDR+0x20, 8, "amiflop [Paula]")) {
-                printk("fd: cannot get floppy registers\n");
-                goto out_blkdev;
-        }
        ret = -ENOMEM;
        if ((raw_buf = (char *)amiga_chip_alloc (RAW_BUF_SIZE, "Floppy")) ==
            NULL) {
                printk("fd: cannot get chip mem buffer\n");
-                goto out_memregion;
+                goto out_blkdev;
        }
        ret = -EBUSY;
@@ -1792,18 +1777,13 @@ out_irq2:
        free_irq(IRQ_AMIGA_DSKBLK, NULL);
 out_irq:
        amiga_chip_free(raw_buf);
-out_memregion:
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
 out_blkdev:
        unregister_blkdev(FLOPPY_MAJOR,"fd");
        return ret;
 }
-module_init(amiga_floppy_init);
-#ifdef MODULE
 #if 0 /* not safe to unload */
-void cleanup_module(void)
+static int __exit amiga_floppy_remove(struct platform_device *pdev)
 {
        int i;
@@ -1820,12 +1800,25 @@ void cleanup_module(void)
        custom.dmacon = DMAF_DISK; /* disable DMA */
        amiga_chip_free(raw_buf);
        blk_cleanup_queue(floppy_queue);
-        release_mem_region(CUSTOM_PHYSADDR+0x20, 8);
        unregister_blkdev(FLOPPY_MAJOR, "fd");
 }
 #endif
-#else
+static struct platform_driver amiga_floppy_driver = {
+        .driver   = {
+                .name   = "amiga-floppy",
+                .owner  = THIS_MODULE,
+        },
+};
+static int __init amiga_floppy_init(void)
+{
+        return platform_driver_probe(&amiga_floppy_driver, amiga_floppy_probe);
+}
+module_init(amiga_floppy_init);
+#ifndef MODULE
 static int __init amiga_floppy_setup (char *str)
 {
        int n;
@@ -1840,3 +1833,5 @@ static int __init amiga_floppy_setup (char *str)
 __setup("floppy=", amiga_floppy_setup);
 #endif
+MODULE_ALIAS("platform:amiga-floppy");
diff --git a/drivers/block/drbd/drbd_worker.c b/drivers/block/drbd/drbd_worker.c
index 44bf6d11197e..d48a1dfd7b24 100644
--- a/drivers/block/drbd/drbd_worker.c
+++ b/drivers/block/drbd/drbd_worker.c
@@ -235,7 +235,7 @@ void drbd_endio_pri(struct bio *bio, int error)
        if (unlikely(error)) {
                what = (bio_data_dir(bio) == WRITE)
                        ? write_completed_with_error
-                        : (bio_rw(bio) == READA)
+                        : (bio_rw(bio) == READ)
                          ? read_completed_with_error
                          : read_ahead_completed_with_error;
        } else
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 034e6dfc878c..81c78b3ce2df 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -164,12 +164,12 @@ unsigned long read_timer(void)
        unsigned long t, flags;
        int i;
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
        t = jiffies * 11932;
        outb_p(0, 0x43);
        i = inb_p(0x40);
        i |= inb(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
        return(t - i);
 }
 #endif
diff --git a/drivers/char/serial167.c b/drivers/char/serial167.c
index 8dfd24721a82..78a62ebe75c7 100644
--- a/drivers/char/serial167.c
+++ b/drivers/char/serial167.c
@@ -627,7 +627,6 @@ static irqreturn_t cd2401_rx_interrupt(int irq, void *dev_id)
        char data;
        int char_count;
        int save_cnt;
-        int len;
        /* determine the channel and change to that context */
        channel = (u_short) (base_addr[CyLICR] >> 2);
@@ -1528,7 +1527,6 @@ static int
 cy_ioctl(struct tty_struct *tty, struct file *file,
         unsigned int cmd, unsigned long arg)
 {
-        unsigned long val;
        struct cyclades_port *info = tty->driver_data;
        int ret_val = 0;
        void __user *argp = (void __user *)arg;
diff --git a/drivers/char/tty_io.c b/drivers/char/tty_io.c
index 6da962c9b21c..d71f0fc34b46 100644
--- a/drivers/char/tty_io.c
+++ b/drivers/char/tty_io.c
@@ -1875,6 +1875,7 @@ got_driver:
                 */
                if (filp->f_op == &hung_up_tty_fops)
                        filp->f_op = &tty_fops;
+                unlock_kernel();
                goto retry_open;
        }
        unlock_kernel();
diff --git a/drivers/cpufreq/cpufreq.c b/drivers/cpufreq/cpufreq.c
index 75d293eeb3ee..063b2184caf5 100644
--- a/drivers/cpufreq/cpufreq.c
+++ b/drivers/cpufreq/cpufreq.c
@@ -662,32 +662,20 @@ static ssize_t show_bios_limit(struct cpufreq_policy *policy, char *buf)
        return sprintf(buf, "%u\n", policy->cpuinfo.max_freq);
 }
-#define define_one_ro(_name) \
+cpufreq_freq_attr_ro_perm(cpuinfo_cur_freq, 0400);
-static struct freq_attr _name = \
+cpufreq_freq_attr_ro(cpuinfo_min_freq);
-__ATTR(_name, 0444, show_##_name, NULL)
+cpufreq_freq_attr_ro(cpuinfo_max_freq);
+cpufreq_freq_attr_ro(cpuinfo_transition_latency);
-#define define_one_ro0400(_name) \
+cpufreq_freq_attr_ro(scaling_available_governors);
-static struct freq_attr _name = \
+cpufreq_freq_attr_ro(scaling_driver);
-__ATTR(_name, 0400, show_##_name, NULL)
+cpufreq_freq_attr_ro(scaling_cur_freq);
+cpufreq_freq_attr_ro(bios_limit);
-#define define_one_rw(_name) \
+cpufreq_freq_attr_ro(related_cpus);
-static struct freq_attr _name = \
+cpufreq_freq_attr_ro(affected_cpus);
-__ATTR(_name, 0644, show_##_name, store_##_name)
+cpufreq_freq_attr_rw(scaling_min_freq);
+cpufreq_freq_attr_rw(scaling_max_freq);
-define_one_ro0400(cpuinfo_cur_freq);
+cpufreq_freq_attr_rw(scaling_governor);
-define_one_ro(cpuinfo_min_freq);
+cpufreq_freq_attr_rw(scaling_setspeed);
-define_one_ro(cpuinfo_max_freq);
-define_one_ro(cpuinfo_transition_latency);
-define_one_ro(scaling_available_governors);
-define_one_ro(scaling_driver);
-define_one_ro(scaling_cur_freq);
-define_one_ro(bios_limit);
-define_one_ro(related_cpus);
-define_one_ro(affected_cpus);
-define_one_rw(scaling_min_freq);
-define_one_rw(scaling_max_freq);
-define_one_rw(scaling_governor);
-define_one_rw(scaling_setspeed);
 static struct attribute *default_attrs[] = {
        &cpuinfo_min_freq.attr,
diff --git a/drivers/cpufreq/cpufreq_conservative.c b/drivers/cpufreq/cpufreq_conservative.c
index 3a147874a465..526bfbf69611 100644
--- a/drivers/cpufreq/cpufreq_conservative.c
+++ b/drivers/cpufreq/cpufreq_conservative.c
@@ -178,12 +178,8 @@ static ssize_t show_sampling_rate_min(struct kobject *kobj,
        return sprintf(buf, "%u\n", min_sampling_rate);
 }
-#define define_one_ro(_name)            \
+define_one_global_ro(sampling_rate_max);
-static struct global_attr _name =       \
+define_one_global_ro(sampling_rate_min);
-__ATTR(_name, 0444, show_##_name, NULL)
-define_one_ro(sampling_rate_max);
-define_one_ro(sampling_rate_min);
 /* cpufreq_conservative Governor Tunables */
 #define show_one(file_name, object)                                     \
@@ -221,12 +217,8 @@ show_one_old(freq_step);
 show_one_old(sampling_rate_min);
 show_one_old(sampling_rate_max);
-#define define_one_ro_old(object, _name)        \
+cpufreq_freq_attr_ro_old(sampling_rate_min);
-static struct freq_attr object =                \
+cpufreq_freq_attr_ro_old(sampling_rate_max);
-__ATTR(_name, 0444, show_##_name##_old, NULL)
-define_one_ro_old(sampling_rate_min_old, sampling_rate_min);
-define_one_ro_old(sampling_rate_max_old, sampling_rate_max);
 /*** delete after deprecation time ***/
@@ -364,16 +356,12 @@ static ssize_t store_freq_step(struct kobject *a, struct attribute *b,
        return count;
 }
-#define define_one_rw(_name) \
+define_one_global_rw(sampling_rate);
-static struct global_attr _name = \
+define_one_global_rw(sampling_down_factor);
-__ATTR(_name, 0644, show_##_name, store_##_name)
+define_one_global_rw(up_threshold);
+define_one_global_rw(down_threshold);
-define_one_rw(sampling_rate);
+define_one_global_rw(ignore_nice_load);
-define_one_rw(sampling_down_factor);
+define_one_global_rw(freq_step);
-define_one_rw(up_threshold);
-define_one_rw(down_threshold);
-define_one_rw(ignore_nice_load);
-define_one_rw(freq_step);
 static struct attribute *dbs_attributes[] = {
        &sampling_rate_max.attr,
@@ -409,16 +397,12 @@ write_one_old(down_threshold);
 write_one_old(ignore_nice_load);
 write_one_old(freq_step);
-#define define_one_rw_old(object, _name)        \
+cpufreq_freq_attr_rw_old(sampling_rate);
-static struct freq_attr object =                \
+cpufreq_freq_attr_rw_old(sampling_down_factor);
-__ATTR(_name, 0644, show_##_name##_old, store_##_name##_old)
+cpufreq_freq_attr_rw_old(up_threshold);
+cpufreq_freq_attr_rw_old(down_threshold);
-define_one_rw_old(sampling_rate_old, sampling_rate);
+cpufreq_freq_attr_rw_old(ignore_nice_load);
-define_one_rw_old(sampling_down_factor_old, sampling_down_factor);
+cpufreq_freq_attr_rw_old(freq_step);
-define_one_rw_old(up_threshold_old, up_threshold);
-define_one_rw_old(down_threshold_old, down_threshold);
-define_one_rw_old(ignore_nice_load_old, ignore_nice_load);
-define_one_rw_old(freq_step_old, freq_step);
 static struct attribute *dbs_attributes_old[] = {
        &sampling_rate_max_old.attr,
diff --git a/drivers/cpufreq/cpufreq_ondemand.c b/drivers/cpufreq/cpufreq_ondemand.c
index 8e9dbdc6c700..e1314212d8d4 100644
--- a/drivers/cpufreq/cpufreq_ondemand.c
+++ b/drivers/cpufreq/cpufreq_ondemand.c
@@ -246,12 +246,8 @@ static ssize_t show_sampling_rate_min(struct kobject *kobj,
        return sprintf(buf, "%u\n", min_sampling_rate);
 }
-#define define_one_ro(_name)            \
+define_one_global_ro(sampling_rate_max);
-static struct global_attr _name =       \
+define_one_global_ro(sampling_rate_min);
-__ATTR(_name, 0444, show_##_name, NULL)
-define_one_ro(sampling_rate_max);
-define_one_ro(sampling_rate_min);
 /* cpufreq_ondemand Governor Tunables */
 #define show_one(file_name, object)                                     \
@@ -287,12 +283,8 @@ show_one_old(powersave_bias);
 show_one_old(sampling_rate_min);
 show_one_old(sampling_rate_max);
-#define define_one_ro_old(object, _name)       \
+cpufreq_freq_attr_ro_old(sampling_rate_min);
-static struct freq_attr object =               \
+cpufreq_freq_attr_ro_old(sampling_rate_max);
-__ATTR(_name, 0444, show_##_name##_old, NULL)
-define_one_ro_old(sampling_rate_min_old, sampling_rate_min);
-define_one_ro_old(sampling_rate_max_old, sampling_rate_max);
 /*** delete after deprecation time ***/
@@ -406,15 +398,11 @@ static ssize_t store_powersave_bias(struct kobject *a, struct attribute *b,
        return count;
 }
-#define define_one_rw(_name) \
+define_one_global_rw(sampling_rate);
-static struct global_attr _name = \
+define_one_global_rw(io_is_busy);
-__ATTR(_name, 0644, show_##_name, store_##_name)
+define_one_global_rw(up_threshold);
+define_one_global_rw(ignore_nice_load);
-define_one_rw(sampling_rate);
+define_one_global_rw(powersave_bias);
-define_one_rw(io_is_busy);
-define_one_rw(up_threshold);
-define_one_rw(ignore_nice_load);
-define_one_rw(powersave_bias);
 static struct attribute *dbs_attributes[] = {
        &sampling_rate_max.attr,
@@ -447,14 +435,10 @@ write_one_old(up_threshold);
 write_one_old(ignore_nice_load);
 write_one_old(powersave_bias);
-#define define_one_rw_old(object, _name)       \
+cpufreq_freq_attr_rw_old(sampling_rate);
-static struct freq_attr object =               \
+cpufreq_freq_attr_rw_old(up_threshold);
-__ATTR(_name, 0644, show_##_name##_old, store_##_name##_old)
+cpufreq_freq_attr_rw_old(ignore_nice_load);
+cpufreq_freq_attr_rw_old(powersave_bias);
-define_one_rw_old(sampling_rate_old, sampling_rate);
-define_one_rw_old(up_threshold_old, up_threshold);
-define_one_rw_old(ignore_nice_load_old, ignore_nice_load);
-define_one_rw_old(powersave_bias_old, powersave_bias);
 static struct attribute *dbs_attributes_old[] = {
       &sampling_rate_max_old.attr,
diff --git a/drivers/cpuidle/governors/menu.c b/drivers/cpuidle/governors/menu.c
index 1aea7157d8ff..f8e57c6303f2 100644
--- a/drivers/cpuidle/governors/menu.c
+++ b/drivers/cpuidle/governors/menu.c
@@ -100,7 +100,6 @@ struct menu_device {
        int             needs_update;
        unsigned int    expected_us;
-        unsigned int    measured_us;
        u64             predicted_us;
        unsigned int    exit_us;
        unsigned int    bucket;
@@ -187,14 +186,14 @@ static int menu_select(struct cpuidle_device *dev)
        int i;
        int multiplier;
-        data->last_state_idx = 0;
-        data->exit_us = 0;
        if (data->needs_update) {
                menu_update(dev);
                data->needs_update = 0;
        }
+        data->last_state_idx = 0;
+        data->exit_us = 0;
        /* Special case when user has set very strict latency requirement */
        if (unlikely(latency_req == 0))
                return 0;
@@ -294,7 +293,7 @@ static void menu_update(struct cpuidle_device *dev)
        new_factor = data->correction_factor[data->bucket]
                        * (DECAY - 1) / DECAY;
-        if (data->expected_us > 0 && data->measured_us < MAX_INTERESTING)
+        if (data->expected_us > 0 && measured_us < MAX_INTERESTING)
                new_factor += RESOLUTION * measured_us / data->expected_us;
        else
                /*
diff --git a/drivers/dma/shdma.c b/drivers/dma/shdma.c
index 7cc31b3f40d8..6f25a20de99f 100644
--- a/drivers/dma/shdma.c
+++ b/drivers/dma/shdma.c
@@ -290,6 +290,7 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
        struct sh_dmae_chan *sh_chan = to_sh_chan(chan);
        struct sh_desc *desc;
        struct sh_dmae_slave *param = chan->private;
+        int ret;
        pm_runtime_get_sync(sh_chan->dev);
@@ -301,11 +302,15 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
                struct sh_dmae_slave_config *cfg;
                cfg = sh_dmae_find_slave(sh_chan, param->slave_id);
-                if (!cfg)
+                if (!cfg) {
-                        return -EINVAL;
+                        ret = -EINVAL;
+                        goto efindslave;
+                }
-                if (test_and_set_bit(param->slave_id, sh_dmae_slave_used))
+                if (test_and_set_bit(param->slave_id, sh_dmae_slave_used)) {
-                        return -EBUSY;
+                        ret = -EBUSY;
+                        goto etestused;
+                }
                param->config = cfg;
@@ -334,10 +339,20 @@ static int sh_dmae_alloc_chan_resources(struct dma_chan *chan)
        }
        spin_unlock_bh(&sh_chan->desc_lock);
-        if (!sh_chan->descs_allocated)
+        if (!sh_chan->descs_allocated) {
-                pm_runtime_put(sh_chan->dev);
+                ret = -ENOMEM;
+                goto edescalloc;
+        }
        return sh_chan->descs_allocated;
+edescalloc:
+        if (param)
+                clear_bit(param->slave_id, sh_dmae_slave_used);
+etestused:
+efindslave:
+        pm_runtime_put(sh_chan->dev);
+        return ret;
 }
 /*
diff --git a/drivers/gpio/it8761e_gpio.c b/drivers/gpio/it8761e_gpio.c
index 753219cf993a..41a9388f2fde 100644
--- a/drivers/gpio/it8761e_gpio.c
+++ b/drivers/gpio/it8761e_gpio.c
@@ -80,8 +80,8 @@ static int it8761e_gpio_get(struct gpio_chip *gc, unsigned gpio_num)
        u16 reg;
        u8 bit;
-        bit = gpio_num % 7;
+        bit = gpio_num % 8;
-        reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+        reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
        return !!(inb(reg) & (1 << bit));
 }
@@ -91,8 +91,8 @@ static int it8761e_gpio_direction_in(struct gpio_chip *gc, unsigned gpio_num)
        u8 curr_dirs;
        u8 io_reg, bit;
-        bit = gpio_num % 7;
+        bit = gpio_num % 8;
-        io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+        io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
        spin_lock(&sio_lock);
@@ -116,8 +116,8 @@ static void it8761e_gpio_set(struct gpio_chip *gc,
        u8 curr_vals, bit;
        u16 reg;
-        bit = gpio_num % 7;
+        bit = gpio_num % 8;
-        reg = (gpio_num >= 7) ? gpio_ba + 1 : gpio_ba;
+        reg = (gpio_num >= 8) ? gpio_ba + 1 : gpio_ba;
        spin_lock(&sio_lock);
@@ -135,8 +135,8 @@ static int it8761e_gpio_direction_out(struct gpio_chip *gc,
 {
        u8 curr_dirs, io_reg, bit;
-        bit = gpio_num % 7;
+        bit = gpio_num % 8;
-        io_reg = (gpio_num >= 7) ? GPIO2X_IO : GPIO1X_IO;
+        io_reg = (gpio_num >= 8) ? GPIO2X_IO : GPIO1X_IO;
        it8761e_gpio_set(gc, gpio_num, val);
@@ -200,7 +200,7 @@ static int __init it8761e_gpio_init(void)
                return -EBUSY;
        it8761e_gpio_chip.base = -1;
-        it8761e_gpio_chip.ngpio = 14;
+        it8761e_gpio_chip.ngpio = 16;
        err = gpiochip_add(&it8761e_gpio_chip);
        if (err < 0)
diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c
index 2b8b969d0c15..df6a9cd82c4d 100644
--- a/drivers/gpu/drm/i915/i915_irq.c
+++ b/drivers/gpu/drm/i915/i915_irq.c
@@ -456,11 +456,15 @@ i915_error_object_create(struct drm_device *dev,
        for (page = 0; page < page_count; page++) {
                void *s, *d = kmalloc(PAGE_SIZE, GFP_ATOMIC);
+                unsigned long flags;
                if (d == NULL)
                        goto unwind;
-                s = kmap_atomic(src_priv->pages[page], KM_USER0);
+                local_irq_save(flags);
+                s = kmap_atomic(src_priv->pages[page], KM_IRQ0);
                memcpy(d, s, PAGE_SIZE);
-                kunmap_atomic(s, KM_USER0);
+                kunmap_atomic(s, KM_IRQ0);
+                local_irq_restore(flags);
                dst->pages[page] = d;
        }
        dst->page_count = page_count;
diff --git a/drivers/gpu/drm/radeon/radeon_drv.c b/drivers/gpu/drm/radeon/radeon_drv.c
index 4b05563d99e1..b3749d47be7b 100644
--- a/drivers/gpu/drm/radeon/radeon_drv.c
+++ b/drivers/gpu/drm/radeon/radeon_drv.c
@@ -216,6 +216,7 @@ static struct drm_driver driver_old = {
                 .mmap = drm_mmap,
                 .poll = drm_poll,
                 .fasync = drm_fasync,
+                 .read = drm_read,
 #ifdef CONFIG_COMPAT
                 .compat_ioctl = radeon_compat_ioctl,
 #endif
@@ -304,6 +305,7 @@ static struct drm_driver kms_driver = {
                 .mmap = radeon_mmap,
                 .poll = drm_poll,
                 .fasync = drm_fasync,
+                 .read = drm_read,
 #ifdef CONFIG_COMPAT
                 .compat_ioctl = radeon_kms_compat_ioctl,
 #endif
diff --git a/drivers/gpu/drm/radeon/radeon_state.c b/drivers/gpu/drm/radeon/radeon_state.c
index 40ab6d9c3736..cc5316dcf580 100644
--- a/drivers/gpu/drm/radeon/radeon_state.c
+++ b/drivers/gpu/drm/radeon/radeon_state.c
@@ -424,7 +424,7 @@ static __inline__ int radeon_check_and_fixup_packet3(drm_radeon_private_t *
                if ((*cmd & RADEON_GMC_SRC_PITCH_OFFSET_CNTL) &&
                    (*cmd & RADEON_GMC_DST_PITCH_OFFSET_CNTL)) {
                        u32 *cmd3 = drm_buffer_pointer_to_dword(cmdbuf->buffer, 3);
-                        offset = *cmd << 10;
+                        offset = *cmd3 << 10;
                        if (radeon_check_and_fixup_offset
                            (dev_priv, file_priv, &offset)) {
                                DRM_ERROR("Invalid second packet offset\n");
@@ -2895,9 +2895,12 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                        return rv;
                rv = drm_buffer_copy_from_user(cmdbuf->buffer, buffer,
                                                cmdbuf->bufsz);
-                if (rv)
+                if (rv) {
+                        drm_buffer_free(cmdbuf->buffer);
                        return rv;
-        }
+                }
+        } else
+                goto done;
        orig_nbox = cmdbuf->nbox;
@@ -2905,8 +2908,7 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                int temp;
                temp = r300_do_cp_cmdbuf(dev, file_priv, cmdbuf);
-                if (cmdbuf->bufsz != 0)
+                drm_buffer_free(cmdbuf->buffer);
-                        drm_buffer_free(cmdbuf->buffer);
                return temp;
        }
@@ -3012,16 +3014,15 @@ static int radeon_cp_cmdbuf(struct drm_device *dev, void *data,
                }
        }
-        if (cmdbuf->bufsz != 0)
+        drm_buffer_free(cmdbuf->buffer);
-                drm_buffer_free(cmdbuf->buffer);
+      done:
        DRM_DEBUG("DONE\n");
        COMMIT_RING();
        return 0;
      err:
-        if (cmdbuf->bufsz != 0)
+        drm_buffer_free(cmdbuf->buffer);
-                drm_buffer_free(cmdbuf->buffer);
        return -EINVAL;
 }
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index dd47b2a9a791..0e3754a3a303 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1716,40 +1716,12 @@ int ttm_bo_wait(struct ttm_buffer_object *bo,
 }
 EXPORT_SYMBOL(ttm_bo_wait);
-void ttm_bo_unblock_reservation(struct ttm_buffer_object *bo)
-{
-        atomic_set(&bo->reserved, 0);
-        wake_up_all(&bo->event_queue);
-}
-int ttm_bo_block_reservation(struct ttm_buffer_object *bo, bool interruptible,
-                             bool no_wait)
-{
-        int ret;
-        while (unlikely(atomic_cmpxchg(&bo->reserved, 0, 1) != 0)) {
-                if (no_wait)
-                        return -EBUSY;
-                else if (interruptible) {
-                        ret = wait_event_interruptible
-                            (bo->event_queue, atomic_read(&bo->reserved) == 0);
-                        if (unlikely(ret != 0))
-                                return ret;
-                } else {
-                        wait_event(bo->event_queue,
-                                   atomic_read(&bo->reserved) == 0);
-                }
-        }
-        return 0;
-}
 int ttm_bo_synccpu_write_grab(struct ttm_buffer_object *bo, bool no_wait)
 {
        int ret = 0;
        /*
-         * Using ttm_bo_reserve instead of ttm_bo_block_reservation
+         * Using ttm_bo_reserve makes sure the lru lists are updated.
-         * makes sure the lru lists are updated.
         */
        ret = ttm_bo_reserve(bo, true, no_wait, false, 0);
diff --git a/drivers/gpu/drm/ttm/ttm_lock.c b/drivers/gpu/drm/ttm/ttm_lock.c
index 3d172ef04ee1..de41e55a944a 100644
--- a/drivers/gpu/drm/ttm/ttm_lock.c
+++ b/drivers/gpu/drm/ttm/ttm_lock.c
@@ -204,7 +204,6 @@ static int __ttm_vt_unlock(struct ttm_lock *lock)
        lock->flags &= ~TTM_VT_LOCK;
        wake_up_all(&lock->queue);
        spin_unlock(&lock->lock);
-        printk(KERN_INFO TTM_PFX "vt unlock.\n");
        return ret;
 }
@@ -265,10 +264,8 @@ int ttm_vt_lock(struct ttm_lock *lock,
                                   ttm_lock_type, &ttm_vt_lock_remove, NULL);
        if (ret)
                (void)__ttm_vt_unlock(lock);
-        else {
+        else
                lock->vt_holder = tfile;
-                printk(KERN_INFO TTM_PFX "vt lock.\n");
-        }
        return ret;
 }
diff --git a/drivers/hid/hid-cherry.c b/drivers/hid/hid-cherry.c
index 7e597d7f770f..24663a8717b1 100644
--- a/drivers/hid/hid-cherry.c
+++ b/drivers/hid/hid-cherry.c
@@ -59,6 +59,7 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 static const struct hid_device_id ch_devices[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
        { }
 };
 MODULE_DEVICE_TABLE(hid, ch_devices);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index 2e2aa759d230..143e788b729b 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1043,13 +1043,8 @@ void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
        if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
                hid->hiddev_report_event(hid, report);
-        if (hid->claimed & HID_CLAIMED_HIDRAW) {
+        if (hid->claimed & HID_CLAIMED_HIDRAW)
-                /* numbered reports need to be passed with the report num */
+                hidraw_report_event(hid, data, size);
-                if (report_enum->numbered)
-                        hidraw_report_event(hid, data - 1, size + 1);
-                else
-                        hidraw_report_event(hid, data, size);
-        }
        for (a = 0; a < report->maxfield; a++)
                hid_input_field(hid, report->field[a], cdata, interrupt);
@@ -1296,6 +1291,7 @@ static const struct hid_device_id hid_blacklist[] = {
        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
        { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
+        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 797e06470356..09d27649a0f7 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -131,6 +131,7 @@
 #define USB_VENDOR_ID_CHERRY            0x046a
 #define USB_DEVICE_ID_CHERRY_CYMOTION   0x0023
+#define USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR     0x0027
 #define USB_VENDOR_ID_CHIC              0x05fe
 #define USB_DEVICE_ID_CHIC_GAMEPAD      0x0014
diff --git a/drivers/hid/hid-ntrig.c b/drivers/hid/hid-ntrig.c
index 9b24fc510712..4777bbfa1cc2 100644
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -1,8 +1,8 @@
 /*
 *  HID driver for N-Trig touchscreens
 *
- *  Copyright (c) 2008 Rafi Rubin
+ *  Copyright (c) 2008-2010 Rafi Rubin
- *  Copyright (c) 2009 Stephane Chatty
+ *  Copyright (c) 2009-2010 Stephane Chatty
 *
 */
@@ -15,6 +15,8 @@
 #include <linux/device.h>
 #include <linux/hid.h>
+#include <linux/usb.h>
+#include "usbhid/usbhid.h"
 #include <linux/module.h>
 #include <linux/slab.h>
@@ -22,17 +24,16 @@
 #define NTRIG_DUPLICATE_USAGES  0x001
-#define nt_map_key_clear(c)     hid_map_usage_clear(hi, usage, bit, max, \
-                                        EV_KEY, (c))
 struct ntrig_data {
        /* Incoming raw values for a single contact */
        __u16 x, y, w, h;
        __u16 id;
-        __u8 confidence;
+        bool tipswitch;
+        bool confidence;
+        bool first_contact_touch;
        bool reading_mt;
-        __u8 first_contact_confidence;
        __u8 mt_footer[4];
        __u8 mt_foot_count;
@@ -139,9 +140,10 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                case 0xff000001:
                        /* Tag indicating the start of a multitouch group */
                        nd->reading_mt = 1;
-                        nd->first_contact_confidence = 0;
+                        nd->first_contact_touch = 0;
                        break;
                case HID_DG_TIPSWITCH:
+                        nd->tipswitch = value;
                        /* Prevent emission of touch until validated */
                        return 1;
                case HID_DG_CONFIDENCE:
@@ -169,8 +171,14 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                         * to emit a normal (X, Y) position
                         */
                        if (!nd->reading_mt) {
+                                /*
+                                 * TipSwitch indicates the presence of a
+                                 * finger in single touch mode.
+                                 */
+                                input_report_key(input, BTN_TOUCH,
+                                                 nd->tipswitch);
                                input_report_key(input, BTN_TOOL_DOUBLETAP,
-                                                 (nd->confidence != 0));
+                                                 nd->tipswitch);
                                input_event(input, EV_ABS, ABS_X, nd->x);
                                input_event(input, EV_ABS, ABS_Y, nd->y);
                        }
@@ -209,7 +217,13 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                        /* emit a normal (X, Y) for the first point only */
                        if (nd->id == 0) {
-                                nd->first_contact_confidence = nd->confidence;
+                                /*
+                                 * TipSwitch is superfluous in multitouch
+                                 * mode.  The footer events tell us
+                                 * if there is a finger on the screen or
+                                 * not.
+                                 */
+                                nd->first_contact_touch = nd->confidence;
                                input_event(input, EV_ABS, ABS_X, nd->x);
                                input_event(input, EV_ABS, ABS_Y, nd->y);
                        }
@@ -239,30 +253,11 @@ static int ntrig_event (struct hid_device *hid, struct hid_field *field,
                        nd->reading_mt = 0;
-                        if (nd->first_contact_confidence) {
+                        if (nd->first_contact_touch) {
-                                switch (value) {
+                                input_report_key(input, BTN_TOOL_DOUBLETAP, 1);
-                                case 0: /* for single touch devices */
-                                case 1:
-                                        input_report_key(input,
-                                                        BTN_TOOL_DOUBLETAP, 1);
-                                        break;
-                                case 2:
-                                        input_report_key(input,
-                                                        BTN_TOOL_TRIPLETAP, 1);
-                                        break;
-                                case 3:
-                                default:
-                                        input_report_key(input,
-                                                        BTN_TOOL_QUADTAP, 1);
-                                }
                                input_report_key(input, BTN_TOUCH, 1);
                        } else {
-                                input_report_key(input,
+                                input_report_key(input, BTN_TOOL_DOUBLETAP, 0);
-                                                BTN_TOOL_DOUBLETAP, 0);
-                                input_report_key(input,
-                                                BTN_TOOL_TRIPLETAP, 0);
-                                input_report_key(input,
-                                                BTN_TOOL_QUADTAP, 0);
                                input_report_key(input, BTN_TOUCH, 0);
                        }
                        break;
@@ -286,6 +281,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
        struct ntrig_data *nd;
        struct hid_input *hidinput;
        struct input_dev *input;
+        struct hid_report *report;
        if (id->driver_data)
                hdev->quirks |= HID_QUIRK_MULTI_INPUT;
@@ -327,13 +323,7 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
                        __clear_bit(BTN_TOOL_PEN, input->keybit);
                        __clear_bit(BTN_TOOL_FINGER, input->keybit);
                        __clear_bit(BTN_0, input->keybit);
-                        /*
-                         * A little something special to enable
-                         * two and three finger taps.
-                         */
                        __set_bit(BTN_TOOL_DOUBLETAP, input->keybit);
-                        __set_bit(BTN_TOOL_TRIPLETAP, input->keybit);
-                        __set_bit(BTN_TOOL_QUADTAP, input->keybit);
                        /*
                         * The physical touchscreen (single touch)
                         * input has a value for physical, whereas
@@ -349,6 +339,12 @@ static int ntrig_probe(struct hid_device *hdev, const struct hid_device_id *id)
                }
        }
+        /* This is needed for devices with more recent firmware versions */
+        report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[0x0a];
+        if (report)
+                usbhid_submit_report(hdev, report, USB_DIR_OUT);
        return 0;
 err_free:
        kfree(nd);
diff --git a/drivers/hid/hid-sony.c b/drivers/hid/hid-sony.c
index 7502a4b2fa86..402d5574b574 100644
--- a/drivers/hid/hid-sony.c
+++ b/drivers/hid/hid-sony.c
@@ -76,7 +76,7 @@ static int sony_set_operational_usb(struct hid_device *hdev)
 static int sony_set_operational_bt(struct hid_device *hdev)
 {
-        unsigned char buf[] = { 0x53, 0xf4,  0x42, 0x03, 0x00, 0x00 };
+        unsigned char buf[] = { 0xf4,  0x42, 0x03, 0x00, 0x00 };
        return hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT);
 }
diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c
index f7700cf49721..f947d8337e21 100644
--- a/drivers/hid/hid-wacom.c
+++ b/drivers/hid/hid-wacom.c
@@ -277,7 +277,6 @@ static int __init wacom_init(void)
        ret = hid_register_driver(&wacom_driver);
        if (ret)
                printk(KERN_ERR "can't register wacom driver\n");
-        printk(KERN_ERR "wacom driver registered\n");
        return ret;
 }
diff --git a/drivers/hid/usbhid/hid-core.c b/drivers/hid/usbhid/hid-core.c
index 56d06cd8075b..7b85b696fdab 100644
--- a/drivers/hid/usbhid/hid-core.c
+++ b/drivers/hid/usbhid/hid-core.c
@@ -999,13 +999,6 @@ static int usbhid_start(struct hid_device *hid)
                }
        }
-        init_waitqueue_head(&usbhid->wait);
-        INIT_WORK(&usbhid->reset_work, hid_reset);
-        INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
-        setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
-        spin_lock_init(&usbhid->lock);
        usbhid->urbctrl = usb_alloc_urb(0, GFP_KERNEL);
        if (!usbhid->urbctrl) {
                ret = -ENOMEM;
@@ -1179,6 +1172,12 @@ static int usbhid_probe(struct usb_interface *intf, const struct usb_device_id *
        usbhid->intf = intf;
        usbhid->ifnum = interface->desc.bInterfaceNumber;
+        init_waitqueue_head(&usbhid->wait);
+        INIT_WORK(&usbhid->reset_work, hid_reset);
+        INIT_WORK(&usbhid->restart_work, __usbhid_restart_queues);
+        setup_timer(&usbhid->io_retry, hid_retry_timeout, (unsigned long) hid);
+        spin_lock_init(&usbhid->lock);
        ret = hid_add_device(hid);
        if (ret) {
                if (ret != -ENODEV)
diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c
index 0f28d91f29d8..f085c18d2905 100644
--- a/drivers/hwmon/applesmc.c
+++ b/drivers/hwmon/applesmc.c
@@ -195,6 +195,9 @@ static unsigned int applesmc_accelerometer;
 /* Indicates whether this computer has light sensors and keyboard backlight. */
 static unsigned int applesmc_light;
+/* The number of fans handled by the driver */
+static unsigned int fans_handled;
 /* Indicates which temperature sensors set to use. */
 static unsigned int applesmc_temperature_set;
@@ -1492,39 +1495,24 @@ static int __init applesmc_init(void)
        /* create fan files */
        count = applesmc_get_fan_count();
-        if (count < 0) {
+        if (count < 0)
                printk(KERN_ERR "applesmc: Cannot get the number of fans.\n");
-        } else {
+        else
                printk(KERN_INFO "applesmc: %d fans found.\n", count);
-                switch (count) {
+        if (count > 4) {
-                default:
+                count = 4;
-                        printk(KERN_WARNING "applesmc: More than 4 fans found,"
+                printk(KERN_WARNING "applesmc: More than 4 fans found,"
-                                        " but at most 4 fans are supported"
+                       " but at most 4 fans are supported"
-                                                " by the driver.\n");
+                       " by the driver.\n");
-                case 4:
+        }
-                        ret = sysfs_create_group(&pdev->dev.kobj,
-                                                 &fan_attribute_groups[3]);
+        while (fans_handled < count) {
-                        if (ret)
+                ret = sysfs_create_group(&pdev->dev.kobj,
-                                goto out_key_enumeration;
+                                         &fan_attribute_groups[fans_handled]);
-                case 3:
+                if (ret)
-                        ret = sysfs_create_group(&pdev->dev.kobj,
+                        goto out_fans;
-                                                 &fan_attribute_groups[2]);
+                fans_handled++;
-                        if (ret)
-                                goto out_key_enumeration;
-                case 2:
-                        ret = sysfs_create_group(&pdev->dev.kobj,
-                                                 &fan_attribute_groups[1]);
-                        if (ret)
-                                goto out_key_enumeration;
-                case 1:
-                        ret = sysfs_create_group(&pdev->dev.kobj,
-                                                 &fan_attribute_groups[0]);
-                        if (ret)
-                                goto out_fan_1;
-                case 0:
-                        ;
-                }
        }
        for (i = 0;
@@ -1593,10 +1581,10 @@ out_accelerometer:
                applesmc_release_accelerometer();
 out_temperature:
        sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
-        sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]);
+out_fans:
-out_fan_1:
+        while (fans_handled)
-        sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
+                sysfs_remove_group(&pdev->dev.kobj,
-out_key_enumeration:
+                                   &fan_attribute_groups[--fans_handled]);
        sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
 out_name:
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
@@ -1622,8 +1610,9 @@ static void __exit applesmc_exit(void)
        if (applesmc_accelerometer)
                applesmc_release_accelerometer();
        sysfs_remove_group(&pdev->dev.kobj, &temperature_attributes_group);
-        sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[0]);
+        while (fans_handled)
-        sysfs_remove_group(&pdev->dev.kobj, &fan_attribute_groups[1]);
+                sysfs_remove_group(&pdev->dev.kobj,
+                                   &fan_attribute_groups[--fans_handled]);
        sysfs_remove_group(&pdev->dev.kobj, &key_enumeration_group);
        sysfs_remove_file(&pdev->dev.kobj, &dev_attr_name.attr);
        platform_device_unregister(pdev);
diff --git a/drivers/hwmon/asc7621.c b/drivers/hwmon/asc7621.c
index 7f948105d8ad..0f388adc6187 100644
--- a/drivers/hwmon/asc7621.c
+++ b/drivers/hwmon/asc7621.c
@@ -268,8 +268,11 @@ static ssize_t store_fan16(struct device *dev,
        if (strict_strtol(buf, 10, &reqval))
                return -EINVAL;
+        /* If a minimum RPM of zero is requested, then we set the register to
+           0xffff. This value allows the fan to be stopped completely without
+           generating an alarm. */
        reqval =
-            (SENSORS_LIMIT((reqval) <= 0 ? 0 : 5400000 / (reqval), 0, 65534));
+            (reqval <= 0 ? 0xffff : SENSORS_LIMIT(5400000 / reqval, 0, 0xfffe));
        mutex_lock(&data->update_lock);
        data->reg[param->msb[0]] = (reqval >> 8) & 0xff;
@@ -285,8 +288,9 @@ static ssize_t store_fan16(struct device *dev,
 * Voltages are scaled in the device so that the nominal voltage
 * is 3/4ths of the 0-255 range (i.e. 192).
 * If all voltages are 'normal' then all voltage registers will
- * read 0xC0.  This doesn't help us if we don't have a point of refernce.
+ * read 0xC0.
- * The data sheet however provides us with the full scale value for each
+ *
+ * The data sheet provides us with the 3/4 scale value for each voltage
 * which is stored in in_scaling.  The sda->index parameter value provides
 * the index into in_scaling.
 *
@@ -295,7 +299,7 @@ static ssize_t store_fan16(struct device *dev,
 */
 static int asc7621_in_scaling[] = {
-        3320, 3000, 4380, 6640, 16000
+        2500, 2250, 3300, 5000, 12000
 };
 static ssize_t show_in10(struct device *dev, struct device_attribute *attr,
@@ -306,19 +310,12 @@ static ssize_t show_in10(struct device *dev, struct device_attribute *attr,
        u8 nr = sda->index;
        mutex_lock(&data->update_lock);
-        regval = (data->reg[param->msb[0]] * asc7621_in_scaling[nr]) / 256;
+        regval = (data->reg[param->msb[0]] << 8) | (data->reg[param->lsb[0]]);
-        /* The LSB value is a 2-bit scaling of the MSB's LSbit value.
-         * I.E.  If the maximim voltage for this input is 6640 millivolts then
-         * a MSB register value of 0 = 0mv and 255 = 6640mv.
-         * A 1 step change therefore represents 25.9mv (6640 / 256).
-         * The extra 2-bits therefore represent increments of 6.48mv.
-         */
-        regval += ((asc7621_in_scaling[nr] / 256) / 4) *
-            (data->reg[param->lsb[0]] >> 6);
        mutex_unlock(&data->update_lock);
+        /* The LSB value is a 2-bit scaling of the MSB's LSbit value. */
+        regval = (regval >> 6) * asc7621_in_scaling[nr] / (0xc0 << 2);
        return sprintf(buf, "%u\n", regval);
 }
@@ -331,7 +328,7 @@ static ssize_t show_in8(struct device *dev, struct device_attribute *attr,
        return sprintf(buf, "%u\n",
                       ((data->reg[param->msb[0]] *
-                         asc7621_in_scaling[nr]) / 256));
+                         asc7621_in_scaling[nr]) / 0xc0));
 }
 static ssize_t store_in8(struct device *dev, struct device_attribute *attr,
@@ -344,9 +341,11 @@ static ssize_t store_in8(struct device *dev, struct device_attribute *attr,
        if (strict_strtol(buf, 10, &reqval))
                return -EINVAL;
-        reqval = SENSORS_LIMIT(reqval, 0, asc7621_in_scaling[nr]);
+        reqval = SENSORS_LIMIT(reqval, 0, 0xffff);
+        reqval = reqval * 0xc0 / asc7621_in_scaling[nr];
-        reqval = (reqval * 255 + 128) / asc7621_in_scaling[nr];
+        reqval = SENSORS_LIMIT(reqval, 0, 0xff);
        mutex_lock(&data->update_lock);
        data->reg[param->msb[0]] = reqval;
@@ -846,11 +845,11 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(in3_max, 3, PRI_LOW, 0x4b, 0, 0, 0, in8),
        PWRITE(in4_max, 4, PRI_LOW, 0x4d, 0, 0, 0, in8),
-        PREAD(in0_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 0, bitmask),
+        PREAD(in0_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 0, bitmask),
-        PREAD(in1_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 1, bitmask),
+        PREAD(in1_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 1, bitmask),
-        PREAD(in2_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 2, bitmask),
+        PREAD(in2_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 2, bitmask),
-        PREAD(in3_alarm, 3, PRI_LOW, 0x41, 0, 0x01, 3, bitmask),
+        PREAD(in3_alarm, 3, PRI_HIGH, 0x41, 0, 0x01, 3, bitmask),
-        PREAD(in4_alarm, 4, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
+        PREAD(in4_alarm, 4, PRI_HIGH, 0x42, 0, 0x01, 0, bitmask),
        PREAD(fan1_input, 0, PRI_HIGH, 0x29, 0x28, 0, 0, fan16),
        PREAD(fan2_input, 1, PRI_HIGH, 0x2b, 0x2a, 0, 0, fan16),
@@ -862,10 +861,10 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(fan3_min, 2, PRI_LOW, 0x59, 0x58, 0, 0, fan16),
        PWRITE(fan4_min, 3, PRI_LOW, 0x5b, 0x5a, 0, 0, fan16),
-        PREAD(fan1_alarm, 0, PRI_LOW, 0x42, 0, 0x01, 0, bitmask),
+        PREAD(fan1_alarm, 0, PRI_HIGH, 0x42, 0, 0x01, 2, bitmask),
-        PREAD(fan2_alarm, 1, PRI_LOW, 0x42, 0, 0x01, 1, bitmask),
+        PREAD(fan2_alarm, 1, PRI_HIGH, 0x42, 0, 0x01, 3, bitmask),
-        PREAD(fan3_alarm, 2, PRI_LOW, 0x42, 0, 0x01, 2, bitmask),
+        PREAD(fan3_alarm, 2, PRI_HIGH, 0x42, 0, 0x01, 4, bitmask),
-        PREAD(fan4_alarm, 3, PRI_LOW, 0x42, 0, 0x01, 3, bitmask),
+        PREAD(fan4_alarm, 3, PRI_HIGH, 0x42, 0, 0x01, 5, bitmask),
        PREAD(temp1_input, 0, PRI_HIGH, 0x25, 0x10, 0, 0, temp10),
        PREAD(temp2_input, 1, PRI_HIGH, 0x26, 0x15, 0, 0, temp10),
@@ -886,10 +885,10 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(temp3_max, 2, PRI_LOW, 0x53, 0, 0, 0, temp8),
        PWRITE(temp4_max, 3, PRI_LOW, 0x35, 0, 0, 0, temp8),
-        PREAD(temp1_alarm, 0, PRI_LOW, 0x41, 0, 0x01, 4, bitmask),
+        PREAD(temp1_alarm, 0, PRI_HIGH, 0x41, 0, 0x01, 4, bitmask),
-        PREAD(temp2_alarm, 1, PRI_LOW, 0x41, 0, 0x01, 5, bitmask),
+        PREAD(temp2_alarm, 1, PRI_HIGH, 0x41, 0, 0x01, 5, bitmask),
-        PREAD(temp3_alarm, 2, PRI_LOW, 0x41, 0, 0x01, 6, bitmask),
+        PREAD(temp3_alarm, 2, PRI_HIGH, 0x41, 0, 0x01, 6, bitmask),
-        PREAD(temp4_alarm, 3, PRI_LOW, 0x43, 0, 0x01, 0, bitmask),
+        PREAD(temp4_alarm, 3, PRI_HIGH, 0x43, 0, 0x01, 0, bitmask),
        PWRITE(temp1_source, 0, PRI_LOW, 0x02, 0, 0x07, 4, bitmask),
        PWRITE(temp2_source, 1, PRI_LOW, 0x02, 0, 0x07, 0, bitmask),
@@ -898,7 +897,7 @@ static struct asc7621_param asc7621_params[] = {
        PWRITE(temp1_smoothing_enable, 0, PRI_LOW, 0x62, 0, 0x01, 3, bitmask),
        PWRITE(temp2_smoothing_enable, 1, PRI_LOW, 0x63, 0, 0x01, 7, bitmask),
-        PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x64, 0, 0x01, 3, bitmask),
+        PWRITE(temp3_smoothing_enable, 2, PRI_LOW, 0x63, 0, 0x01, 3, bitmask),
        PWRITE(temp4_smoothing_enable, 3, PRI_LOW, 0x3c, 0, 0x01, 3, bitmask),
        PWRITE(temp1_smoothing_time, 0, PRI_LOW, 0x62, 0, 0x07, 0, temp_st),
diff --git a/drivers/hwmon/hp_accel.c b/drivers/hwmon/hp_accel.c
index c8ab50516672..7580f55e67e3 100644
--- a/drivers/hwmon/hp_accel.c
+++ b/drivers/hwmon/hp_accel.c
@@ -328,8 +328,8 @@ static int lis3lv02d_remove(struct acpi_device *device, int type)
        lis3lv02d_joystick_disable();
        lis3lv02d_poweroff(&lis3_dev);
-        flush_work(&hpled_led.work);
        led_classdev_unregister(&hpled_led.led_classdev);
+        flush_work(&hpled_led.work);
        return lis3lv02d_remove_fs(&lis3_dev);
 }
diff --git a/drivers/input/gameport/gameport.c b/drivers/input/gameport/gameport.c
index 7e18bcf05a66..46239e47a260 100644
--- a/drivers/input/gameport/gameport.c
+++ b/drivers/input/gameport/gameport.c
@@ -59,11 +59,11 @@ static unsigned int get_time_pit(void)
        unsigned long flags;
        unsigned int count;
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
        outb_p(0x00, 0x43);
        count = inb_p(0x40);
        count |= inb_p(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
        return count;
 }
diff --git a/drivers/input/joystick/analog.c b/drivers/input/joystick/analog.c
index 1c0b529c06aa..4afe0a3b4884 100644
--- a/drivers/input/joystick/analog.c
+++ b/drivers/input/joystick/analog.c
@@ -146,11 +146,11 @@ static unsigned int get_time_pit(void)
        unsigned long flags;
        unsigned int count;
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
        outb_p(0x00, 0x43);
        count = inb_p(0x40);
        count |= inb_p(0x40) << 8;
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
        return count;
 }
diff --git a/drivers/input/joystick/iforce/iforce-main.c b/drivers/input/joystick/iforce/iforce-main.c
index b1edd778639c..405febd94f24 100644
--- a/drivers/input/joystick/iforce/iforce-main.c
+++ b/drivers/input/joystick/iforce/iforce-main.c
@@ -54,6 +54,9 @@ static signed short btn_avb_wheel[] =
 static signed short abs_joystick[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
+static signed short abs_joystick_rudder[] =
+{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 };
 static signed short abs_avb_pegasus[] =
 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
  ABS_HAT1X, ABS_HAT1Y, -1 };
@@ -76,8 +79,9 @@ static struct iforce_device iforce_device[] = {
        { 0x061c, 0xc0a4, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce }, //?
        { 0x061c, 0xc084, "ACT LABS Force RS",                          btn_wheel, abs_wheel, ff_iforce },
        { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback",       btn_wheel, abs_wheel, ff_iforce }, //?
+        { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback",        btn_joystick, abs_joystick_rudder, ff_iforce },
        { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel",      btn_wheel, abs_wheel, ff_iforce }, //?
-        { 0x06f8, 0x0004, "Gullemot Jet Leader 3D",                     btn_joystick, abs_joystick, ff_iforce }, //?
+        { 0x06f8, 0xa302, "Guillemot Jet Leader 3D",                    btn_joystick, abs_joystick, ff_iforce }, //?
        { 0x06d6, 0x29bc, "Trust Force Feedback Race Master",           btn_wheel, abs_wheel, ff_iforce },
        { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]",         btn_joystick, abs_joystick, ff_iforce }
 };
diff --git a/drivers/input/joystick/iforce/iforce-usb.c b/drivers/input/joystick/iforce/iforce-usb.c
index b41303d3ec54..6c96631ae5d9 100644
--- a/drivers/input/joystick/iforce/iforce-usb.c
+++ b/drivers/input/joystick/iforce/iforce-usb.c
@@ -212,6 +212,7 @@ static struct usb_device_id iforce_usb_ids [] = {
        { USB_DEVICE(0x061c, 0xc0a4) },         /* ACT LABS Force RS */
        { USB_DEVICE(0x061c, 0xc084) },         /* ACT LABS Force RS */
        { USB_DEVICE(0x06f8, 0x0001) },         /* Guillemot Race Leader Force Feedback */
+        { USB_DEVICE(0x06f8, 0x0003) },         /* Guillemot Jet Leader Force Feedback */
        { USB_DEVICE(0x06f8, 0x0004) },         /* Guillemot Force Feedback Racing Wheel */
        { USB_DEVICE(0x06f8, 0xa302) },         /* Guillemot Jet Leader 3D */
        { }                                     /* Terminating entry */
diff --git a/drivers/input/misc/pcspkr.c b/drivers/input/misc/pcspkr.c
index ea4e1fd12651..f080dd31499b 100644
--- a/drivers/input/misc/pcspkr.c
+++ b/drivers/input/misc/pcspkr.c
@@ -30,7 +30,7 @@ MODULE_ALIAS("platform:pcspkr");
 #include <asm/i8253.h>
 #else
 #include <asm/8253pit.h>
-static DEFINE_SPINLOCK(i8253_lock);
+static DEFINE_RAW_SPINLOCK(i8253_lock);
 #endif
 static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
@@ -50,7 +50,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
        if (value > 20 && value < 32767)
                count = PIT_TICK_RATE / value;
-        spin_lock_irqsave(&i8253_lock, flags);
+        raw_spin_lock_irqsave(&i8253_lock, flags);
        if (count) {
                /* set command for counter 2, 2 byte write */
@@ -65,7 +65,7 @@ static int pcspkr_event(struct input_dev *dev, unsigned int type, unsigned int c
                outb(inb_p(0x61) & 0xFC, 0x61);
        }
-        spin_unlock_irqrestore(&i8253_lock, flags);
+        raw_spin_unlock_irqrestore(&i8253_lock, flags);
        return 0;
 }
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 0520c2e19927..112b4ee52ff2 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -185,7 +185,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
        int fingers;
        static int old_fingers;
-        if (etd->fw_version_maj == 0x01) {
+        if (etd->fw_version < 0x020000) {
                /*
                 * byte 0:  D   U  p1  p2   1  p3   R   L
                 * byte 1:  f   0  th  tw  x9  x8  y9  y8
@@ -227,7 +227,7 @@ static void elantech_report_absolute_v1(struct psmouse *psmouse)
        input_report_key(dev, BTN_LEFT, packet[0] & 0x01);
        input_report_key(dev, BTN_RIGHT, packet[0] & 0x02);
-        if ((etd->fw_version_maj == 0x01) &&
+        if (etd->fw_version < 0x020000 &&
            (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
                /* rocker up */
                input_report_key(dev, BTN_FORWARD, packet[0] & 0x40);
@@ -321,7 +321,7 @@ static int elantech_check_parity_v1(struct psmouse *psmouse)
        unsigned char p1, p2, p3;
        /* Parity bits are placed differently */
-        if (etd->fw_version_maj == 0x01) {
+        if (etd->fw_version < 0x020000) {
                /* byte 0:  D   U  p1  p2   1  p3   R   L */
                p1 = (packet[0] & 0x20) >> 5;
                p2 = (packet[0] & 0x10) >> 4;
@@ -457,7 +457,7 @@ static void elantech_set_input_params(struct psmouse *psmouse)
        switch (etd->hw_version) {
        case 1:
                /* Rocker button */
-                if ((etd->fw_version_maj == 0x01) &&
+                if (etd->fw_version < 0x020000 &&
                    (etd->capabilities & ETP_CAP_HAS_ROCKER)) {
                        __set_bit(BTN_FORWARD, dev->keybit);
                        __set_bit(BTN_BACK, dev->keybit);
@@ -686,15 +686,14 @@ int elantech_init(struct psmouse *psmouse)
                pr_err("elantech.c: failed to query firmware version.\n");
                goto init_fail;
        }
-        etd->fw_version_maj = param[0];
-        etd->fw_version_min = param[2];
+        etd->fw_version = (param[0] << 16) | (param[1] << 8) | param[2];
        /*
         * Assume every version greater than this is new EeePC style
         * hardware with 6 byte packets
         */
-        if ((etd->fw_version_maj == 0x02 && etd->fw_version_min >= 0x30) ||
+        if (etd->fw_version >= 0x020030) {
-            etd->fw_version_maj > 0x02) {
                etd->hw_version = 2;
                /* For now show extra debug information */
                etd->debug = 1;
@@ -704,8 +703,9 @@ int elantech_init(struct psmouse *psmouse)
                etd->hw_version = 1;
                etd->paritycheck = 1;
        }
-        pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d\n",
-                etd->hw_version, etd->fw_version_maj, etd->fw_version_min);
+        pr_info("elantech.c: assuming hardware version %d, firmware version %d.%d.%d\n",
+                etd->hw_version, param[0], param[1], param[2]);
        if (synaptics_send_cmd(psmouse, ETP_CAPABILITIES_QUERY, param)) {
                pr_err("elantech.c: failed to query capabilities.\n");
@@ -720,8 +720,8 @@ int elantech_init(struct psmouse *psmouse)
         * a touch action starts causing the mouse cursor or scrolled page
         * to jump. Enable a workaround.
         */
-        if (etd->fw_version_maj == 0x02 && etd->fw_version_min == 0x22) {
+        if (etd->fw_version == 0x020022) {
-                pr_info("elantech.c: firmware version 2.34 detected, "
+                pr_info("elantech.c: firmware version 2.0.34 detected, "
                        "enabling jumpy cursor workaround\n");
                etd->jumpy_cursor = 1;
        }
diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index feac5f7af966..ac57bde1bb9f 100644
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -100,11 +100,10 @@ struct elantech_data {
        unsigned char reg_26;
        unsigned char debug;
        unsigned char capabilities;
-        unsigned char fw_version_maj;
-        unsigned char fw_version_min;
-        unsigned char hw_version;
        unsigned char paritycheck;
        unsigned char jumpy_cursor;
+        unsigned char hw_version;
+        unsigned int  fw_version;
        unsigned char parity[256];
 };
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c
index cbc807264940..a3c97315a473 100644
--- a/drivers/input/mouse/psmouse-base.c
+++ b/drivers/input/mouse/psmouse-base.c
@@ -1394,6 +1394,7 @@ static int psmouse_reconnect(struct serio *serio)
        struct psmouse *psmouse = serio_get_drvdata(serio);
        struct psmouse *parent = NULL;
        struct serio_driver *drv = serio->drv;
+        unsigned char type;
        int rc = -1;
        if (!drv || !psmouse) {
@@ -1413,10 +1414,15 @@ static int psmouse_reconnect(struct serio *serio)
        if (psmouse->reconnect) {
                if (psmouse->reconnect(psmouse))
                        goto out;
-        } else if (psmouse_probe(psmouse) < 0 ||
+        } else {
-                   psmouse->type != psmouse_extensions(psmouse,
+                psmouse_reset(psmouse);
-                                                psmouse_max_proto, false)) {
-                goto out;
+                if (psmouse_probe(psmouse) < 0)
+                        goto out;
+                type = psmouse_extensions(psmouse, psmouse_max_proto, false);
+                if (psmouse->type != type)
+                        goto out;
        }
        /* ok, the device type (and capabilities) match the old one,
diff --git a/drivers/input/touchscreen/ad7877.c b/drivers/input/touchscreen/ad7877.c
index e019d53d1ab4..0d2d7e54b465 100644
--- a/drivers/input/touchscreen/ad7877.c
+++ b/drivers/input/touchscreen/ad7877.c
@@ -156,9 +156,14 @@ struct ser_req {
        u16                     reset;
        u16                     ref_on;
        u16                     command;
-        u16                     sample;
        struct spi_message      msg;
        struct spi_transfer     xfer[6];
+        /*
+         * DMA (thus cache coherency maintenance) requires the
+         * transfer buffers to live in their own cache lines.
+         */
+        u16 sample ____cacheline_aligned;
 };
 struct ad7877 {
@@ -182,8 +187,6 @@ struct ad7877 {
        u8                      averaging;
        u8                      pen_down_acc_interval;
-        u16                     conversion_data[AD7877_NR_SENSE];
        struct spi_transfer     xfer[AD7877_NR_SENSE + 2];
        struct spi_message      msg;
@@ -195,6 +198,12 @@ struct ad7877 {
        spinlock_t              lock;
        struct timer_list       timer;          /* P: lock */
        unsigned                pending:1;      /* P: lock */
+        /*
+         * DMA (thus cache coherency maintenance) requires the
+         * transfer buffers to live in their own cache lines.
+         */
+        u16 conversion_data[AD7877_NR_SENSE] ____cacheline_aligned;
 };
 static int gpio3;
diff --git a/drivers/md/md.c b/drivers/md/md.c
index 9712b2e97be4..cefd63daff31 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -2109,12 +2109,18 @@ repeat:
                if (!mddev->in_sync || mddev->recovery_cp != MaxSector) { /* not clean */
                        /* .. if the array isn't clean, an 'even' event must also go
                         * to spares. */
-                        if ((mddev->events&1)==0)
+                        if ((mddev->events&1)==0) {
                                nospares = 0;
+                                sync_req = 2; /* force a second update to get the
+                                               * even/odd in sync */
+                        }
                } else {
                        /* otherwise an 'odd' event must go to spares */
-                        if ((mddev->events&1))
+                        if ((mddev->events&1)) {
                                nospares = 0;
+                                sync_req = 2; /* force a second update to get the
+                                               * even/odd in sync */
+                        }
                }
        }
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index 58ea0ecae7c3..15348c393b5d 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -1527,7 +1527,7 @@ static void raid5_end_read_request(struct bio * bi, int error)
                clear_bit(R5_UPTODATE, &sh->dev[i].flags);
                atomic_inc(&rdev->read_errors);
-                if (conf->mddev->degraded)
+                if (conf->mddev->degraded >= conf->max_degraded)
                        printk_rl(KERN_WARNING
                                  "raid5:%s: read error not correctable "
                                  "(sector %llu on %s).\n",
diff --git a/drivers/media/common/saa7146_fops.c b/drivers/media/common/saa7146_fops.c
index fd8e1f45be36..7364b9642d00 100644
--- a/drivers/media/common/saa7146_fops.c
+++ b/drivers/media/common/saa7146_fops.c
@@ -423,15 +423,14 @@ static void vv_callback(struct saa7146_dev *dev, unsigned long status)
        }
 }
-int saa7146_vv_devinit(struct saa7146_dev *dev)
-{
-        return v4l2_device_register(&dev->pci->dev, &dev->v4l2_dev);
-}
-EXPORT_SYMBOL_GPL(saa7146_vv_devinit);
 int saa7146_vv_init(struct saa7146_dev* dev, struct saa7146_ext_vv *ext_vv)
 {
        struct saa7146_vv *vv;
+        int err;
+        err = v4l2_device_register(&dev->pci->dev, &dev->v4l2_dev);
+        if (err)
+                return err;
        vv = kzalloc(sizeof(struct saa7146_vv), GFP_KERNEL);
        if (vv == NULL) {
diff --git a/drivers/media/common/saa7146_video.c b/drivers/media/common/saa7146_video.c
index 5ed75263340a..b8b2c551a1e2 100644
--- a/drivers/media/common/saa7146_video.c
+++ b/drivers/media/common/saa7146_video.c
@@ -558,9 +558,11 @@ static int vidioc_s_fbuf(struct file *file, void *fh, struct v4l2_framebuffer *f
        /* ok, accept it */
        vv->ov_fb = *fb;
        vv->ov_fmt = fmt;
-        if (0 == vv->ov_fb.fmt.bytesperline)
-                vv->ov_fb.fmt.bytesperline =
+        if (vv->ov_fb.fmt.bytesperline < vv->ov_fb.fmt.width) {
-                        vv->ov_fb.fmt.width * fmt->depth / 8;
+                vv->ov_fb.fmt.bytesperline = vv->ov_fb.fmt.width * fmt->depth / 8;
+                DEB_D(("setting bytesperline to %d\n", vv->ov_fb.fmt.bytesperline));
+        }
        mutex_unlock(&dev->lock);
        return 0;
diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index a3c07fe0e6c4..96972804f4ad 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -4470,6 +4470,10 @@ static int stv090x_setup(struct dvb_frontend *fe)
        if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
                goto err;
+        /* workaround for stuck DiSEqC output */
+        if (config->diseqc_envelope_mode)
+                stv090x_send_diseqc_burst(fe, SEC_MINI_A);
        return 0;
 err:
        dprintk(FE_ERROR, 1, "I/O error");
diff --git a/drivers/media/dvb/ttpci/budget.c b/drivers/media/dvb/ttpci/budget.c
index 9fdf26cc6998..1500210c06cf 100644
--- a/drivers/media/dvb/ttpci/budget.c
+++ b/drivers/media/dvb/ttpci/budget.c
@@ -643,9 +643,6 @@ static void frontend_init(struct budget *budget)
                                        &budget->i2c_adap,
                                        &tt1600_isl6423_config);
-                        } else {
-                                dvb_frontend_detach(budget->dvb_frontend);
-                                budget->dvb_frontend = NULL;
                        }
                }
                break;
diff --git a/drivers/media/video/Kconfig b/drivers/media/video/Kconfig
index f8fc8654693d..9644cf760aaa 100644
--- a/drivers/media/video/Kconfig
+++ b/drivers/media/video/Kconfig
@@ -361,7 +361,7 @@ config VIDEO_SAA717X
 config VIDEO_SAA7191
        tristate "Philips SAA7191 video decoder"
-        depends on VIDEO_V4L1 && I2C
+        depends on VIDEO_V4L2 && I2C
        ---help---
          Support for the Philips SAA7191 video decoder.
@@ -756,7 +756,7 @@ source "drivers/media/video/saa7134/Kconfig"
 config VIDEO_MXB
        tristate "Siemens-Nixdorf 'Multimedia eXtension Board'"
-        depends on PCI && VIDEO_V4L1 && I2C
+        depends on PCI && VIDEO_V4L2 && I2C
        select VIDEO_SAA7146_VV
        select VIDEO_TUNER
        select VIDEO_SAA711X if VIDEO_HELPER_CHIPS_AUTO
diff --git a/drivers/media/video/Makefile b/drivers/media/video/Makefile
index b88b6174a331..c51c386559f2 100644
--- a/drivers/media/video/Makefile
+++ b/drivers/media/video/Makefile
@@ -160,8 +160,6 @@ obj-$(CONFIG_VIDEO_MX3)			+= mx3_camera.o
 obj-$(CONFIG_VIDEO_PXA27x)              += pxa_camera.o
 obj-$(CONFIG_VIDEO_SH_MOBILE_CEU)       += sh_mobile_ceu_camera.o
-obj-$(CONFIG_ARCH_DAVINCI)              += davinci/
 obj-$(CONFIG_VIDEO_AU0828) += au0828/
 obj-$(CONFIG_USB_VIDEO_CLASS)   += uvc/
diff --git a/drivers/media/video/davinci/vpfe_capture.c b/drivers/media/video/davinci/vpfe_capture.c
index 7cf042f9b377..398dbe71cb82 100644
--- a/drivers/media/video/davinci/vpfe_capture.c
+++ b/drivers/media/video/davinci/vpfe_capture.c
@@ -223,7 +223,6 @@ int vpfe_register_ccdc_device(struct ccdc_hw_device *dev)
        BUG_ON(!dev->hw_ops.get_frame_format);
        BUG_ON(!dev->hw_ops.get_pixel_format);
        BUG_ON(!dev->hw_ops.set_pixel_format);
-        BUG_ON(!dev->hw_ops.set_params);
        BUG_ON(!dev->hw_ops.set_image_window);
        BUG_ON(!dev->hw_ops.get_image_window);
        BUG_ON(!dev->hw_ops.get_line_length);
@@ -1689,11 +1688,12 @@ static long vpfe_param_handler(struct file *file, void *priv,
        struct vpfe_device *vpfe_dev = video_drvdata(file);
        int ret = 0;
-        v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev, "vpfe_param_handler\n");
+        v4l2_dbg(2, debug, &vpfe_dev->v4l2_dev, "vpfe_param_handler\n");
        if (vpfe_dev->started) {
                /* only allowed if streaming is not started */
-                v4l2_err(&vpfe_dev->v4l2_dev, "device already started\n");
+                v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
+                        "device already started\n");
                return -EBUSY;
        }
@@ -1705,16 +1705,23 @@ static long vpfe_param_handler(struct file *file, void *priv,
        case VPFE_CMD_S_CCDC_RAW_PARAMS:
                v4l2_warn(&vpfe_dev->v4l2_dev,
                          "VPFE_CMD_S_CCDC_RAW_PARAMS: experimental ioctl\n");
-                ret = ccdc_dev->hw_ops.set_params(param);
+                if (ccdc_dev->hw_ops.set_params) {
-                if (ret) {
+                        ret = ccdc_dev->hw_ops.set_params(param);
-                        v4l2_err(&vpfe_dev->v4l2_dev,
+                        if (ret) {
-                                "Error in setting parameters in CCDC\n");
+                                v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
-                        goto unlock_out;
+                                        "Error setting parameters in CCDC\n");
-                }
+                                goto unlock_out;
-                if (vpfe_get_ccdc_image_format(vpfe_dev, &vpfe_dev->fmt) < 0) {
+                        }
-                        v4l2_err(&vpfe_dev->v4l2_dev,
+                        if (vpfe_get_ccdc_image_format(vpfe_dev,
-                                "Invalid image format at CCDC\n");
+                                                       &vpfe_dev->fmt) < 0) {
-                        goto unlock_out;
+                                v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
+                                        "Invalid image format at CCDC\n");
+                                goto unlock_out;
+                        }
+                } else {
+                        ret = -EINVAL;
+                        v4l2_dbg(1, debug, &vpfe_dev->v4l2_dev,
+                                "VPFE_CMD_S_CCDC_RAW_PARAMS not supported\n");
                }
                break;
        default:
@@ -1830,7 +1837,7 @@ static __init int vpfe_probe(struct platform_device *pdev)
        if (NULL == ccdc_cfg) {
                v4l2_err(pdev->dev.driver,
                         "Memory allocation failed for ccdc_cfg\n");
-                goto probe_free_dev_mem;
+                goto probe_free_lock;
        }
        strncpy(ccdc_cfg->name, vpfe_cfg->ccdc, 32);
@@ -1982,8 +1989,9 @@ probe_out_video_release:
 probe_out_release_irq:
        free_irq(vpfe_dev->ccdc_irq0, vpfe_dev);
 probe_free_ccdc_cfg_mem:
-        mutex_unlock(&ccdc_lock);
        kfree(ccdc_cfg);
+probe_free_lock:
+        mutex_unlock(&ccdc_lock);
 probe_free_dev_mem:
        kfree(vpfe_dev);
        return ret;
diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c
index 38a6e15e096b..3dee3e5844b6 100644
--- a/drivers/media/video/gspca/sn9c20x.c
+++ b/drivers/media/video/gspca/sn9c20x.c
@@ -1427,7 +1427,7 @@ static int input_kthread(void *data)
        struct gspca_dev *gspca_dev = (struct gspca_dev *)data;
        struct sd *sd = (struct sd *) gspca_dev;
-        DECLARE_WAIT_QUEUE_HEAD(wait);
+        DECLARE_WAIT_QUEUE_HEAD_ONSTACK(wait);
        set_freezable();
        for (;;) {
                if (kthread_should_stop())
diff --git a/drivers/media/video/gspca/spca508.c b/drivers/media/video/gspca/spca508.c
index 15b2eef8a3f6..edf0fe157501 100644
--- a/drivers/media/video/gspca/spca508.c
+++ b/drivers/media/video/gspca/spca508.c
@@ -1513,7 +1513,6 @@ static const struct sd_desc sd_desc = {
 static const __devinitdata struct usb_device_id device_table[] = {
        {USB_DEVICE(0x0130, 0x0130), .driver_info = HamaUSBSightcam},
        {USB_DEVICE(0x041e, 0x4018), .driver_info = CreativeVista},
-        {USB_DEVICE(0x0461, 0x0815), .driver_info = MicroInnovationIC200},
        {USB_DEVICE(0x0733, 0x0110), .driver_info = ViewQuestVQ110},
        {USB_DEVICE(0x0af9, 0x0010), .driver_info = HamaUSBSightcam},
        {USB_DEVICE(0x0af9, 0x0011), .driver_info = HamaUSBSightcam2},
diff --git a/drivers/media/video/gspca/spca561.c b/drivers/media/video/gspca/spca561.c
index dc7f2b0fbc79..b9c80e2103b9 100644
--- a/drivers/media/video/gspca/spca561.c
+++ b/drivers/media/video/gspca/spca561.c
@@ -1053,6 +1053,7 @@ static const __devinitdata struct usb_device_id device_table[] = {
        {USB_DEVICE(0x041e, 0x401a), .driver_info = Rev072A},
        {USB_DEVICE(0x041e, 0x403b), .driver_info = Rev012A},
        {USB_DEVICE(0x0458, 0x7004), .driver_info = Rev072A},
+        {USB_DEVICE(0x0461, 0x0815), .driver_info = Rev072A},
        {USB_DEVICE(0x046d, 0x0928), .driver_info = Rev012A},
        {USB_DEVICE(0x046d, 0x0929), .driver_info = Rev012A},
        {USB_DEVICE(0x046d, 0x092a), .driver_info = Rev012A},
diff --git a/drivers/media/video/gspca/stv06xx/stv06xx.c b/drivers/media/video/gspca/stv06xx/stv06xx.c
index af73da34c83f..14f179a19485 100644
--- a/drivers/media/video/gspca/stv06xx/stv06xx.c
+++ b/drivers/media/video/gspca/stv06xx/stv06xx.c
@@ -524,8 +524,6 @@ static const __devinitdata struct usb_device_id device_table[] = {
        {USB_DEVICE(0x046D, 0x08F5), .driver_info = BRIDGE_ST6422 },
        /* QuickCam Messenger (new) */
        {USB_DEVICE(0x046D, 0x08F6), .driver_info = BRIDGE_ST6422 },
-        /* QuickCam Messenger (new) */
-        {USB_DEVICE(0x046D, 0x08DA), .driver_info = BRIDGE_ST6422 },
        {}
 };
 MODULE_DEVICE_TABLE(usb, device_table);
diff --git a/drivers/media/video/hexium_gemini.c b/drivers/media/video/hexium_gemini.c
index e620a3a92f25..ad2c232baa6d 100644
--- a/drivers/media/video/hexium_gemini.c
+++ b/drivers/media/video/hexium_gemini.c
@@ -356,9 +356,6 @@ static int hexium_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_d
        DEB_EE((".\n"));
-        ret = saa7146_vv_devinit(dev);
-        if (ret)
-                return ret;
        hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
        if (NULL == hexium) {
                printk("hexium_gemini: not enough kernel memory in hexium_attach().\n");
diff --git a/drivers/media/video/hexium_orion.c b/drivers/media/video/hexium_orion.c
index fe596a1c12a8..938a1f8f880a 100644
--- a/drivers/media/video/hexium_orion.c
+++ b/drivers/media/video/hexium_orion.c
@@ -216,10 +216,6 @@ static int hexium_probe(struct saa7146_dev *dev)
                return -EFAULT;
        }
-        err = saa7146_vv_devinit(dev);
-        if (err)
-                return err;
        hexium = kzalloc(sizeof(struct hexium), GFP_KERNEL);
        if (NULL == hexium) {
                printk("hexium_orion: hexium_probe: not enough kernel memory.\n");
diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c
index 3c8ebfcb742e..34a66019190e 100644
--- a/drivers/media/video/mx1_camera.c
+++ b/drivers/media/video/mx1_camera.c
@@ -49,8 +49,6 @@
 /*
 * CSI registers
 */
-#define DMA_CCR(x)      (0x8c + ((x) << 6))     /* Control Registers */
-#define DMA_DIMR        0x08                    /* Interrupt mask Register */
 #define CSICR1          0x00                    /* CSI Control Register 1 */
 #define CSISR           0x08                    /* CSI Status Register */
 #define CSIRXR          0x10                    /* CSI RxFIFO Register */
@@ -784,7 +782,7 @@ static int __init mx1_camera_probe(struct platform_device *pdev)
                               pcdev);
        imx_dma_config_channel(pcdev->dma_chan, IMX_DMA_TYPE_FIFO,
-                               IMX_DMA_MEMSIZE_32, DMA_REQ_CSI_R, 0);
+                               IMX_DMA_MEMSIZE_32, MX1_DMA_REQ_CSI_R, 0);
        /* burst length : 16 words = 64 bytes */
        imx_dma_config_burstlen(pcdev->dma_chan, 0);
@@ -798,8 +796,8 @@ static int __init mx1_camera_probe(struct platform_device *pdev)
        set_fiq_handler(&mx1_camera_sof_fiq_start, &mx1_camera_sof_fiq_end -
                                                   &mx1_camera_sof_fiq_start);
-        regs.ARM_r8 = DMA_BASE + DMA_DIMR;
+        regs.ARM_r8 = (long)MX1_DMA_DIMR;
-        regs.ARM_r9 = DMA_BASE + DMA_CCR(pcdev->dma_chan);
+        regs.ARM_r9 = (long)MX1_DMA_CCR(pcdev->dma_chan);
        regs.ARM_r10 = (long)pcdev->base + CSICR1;
        regs.ARM_fp = (long)pcdev->base + CSISR;
        regs.ARM_sp = 1 << pcdev->dma_chan;
diff --git a/drivers/media/video/mxb.c b/drivers/media/video/mxb.c
index 9f01f14e4aa2..ef0c8178f255 100644
--- a/drivers/media/video/mxb.c
+++ b/drivers/media/video/mxb.c
@@ -169,11 +169,7 @@ static struct saa7146_extension extension;
 static int mxb_probe(struct saa7146_dev *dev)
 {
        struct mxb *mxb = NULL;
-        int err;
-        err = saa7146_vv_devinit(dev);
-        if (err)
-                return err;
        mxb = kzalloc(sizeof(struct mxb), GFP_KERNEL);
        if (mxb == NULL) {
                DEB_D(("not enough kernel memory.\n"));
@@ -699,14 +695,17 @@ static struct saa7146_ext_vv vv_data;
 /* this function only gets called when the probing was successful */
 static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data *info)
 {
-        struct mxb *mxb = (struct mxb *)dev->ext_priv;
+        struct mxb *mxb;
        DEB_EE(("dev:%p\n", dev));
-        /* checking for i2c-devices can be omitted here, because we
-           already did this in "mxb_vl42_probe" */
        saa7146_vv_init(dev, &vv_data);
+        if (mxb_probe(dev)) {
+                saa7146_vv_release(dev);
+                return -1;
+        }
+        mxb = (struct mxb *)dev->ext_priv;
        vv_data.ops.vidioc_queryctrl = vidioc_queryctrl;
        vv_data.ops.vidioc_g_ctrl = vidioc_g_ctrl;
        vv_data.ops.vidioc_s_ctrl = vidioc_s_ctrl;
@@ -726,6 +725,7 @@ static int mxb_attach(struct saa7146_dev *dev, struct saa7146_pci_extension_data
        vv_data.ops.vidioc_default = vidioc_default;
        if (saa7146_register_device(&mxb->video_dev, dev, "mxb", VFL_TYPE_GRABBER)) {
                ERR(("cannot register capture v4l2 device. skipping.\n"));
+                saa7146_vv_release(dev);
                return -1;
        }
@@ -846,7 +846,6 @@ static struct saa7146_extension extension = {
        .pci_tbl        = &pci_tbl[0],
        .module         = THIS_MODULE,
-        .probe          = mxb_probe,
        .attach         = mxb_attach,
        .detach         = mxb_detach,
diff --git a/drivers/media/video/omap24xxcam.c b/drivers/media/video/omap24xxcam.c
index b189fe63394b..ce76d952e161 100644
--- a/drivers/media/video/omap24xxcam.c
+++ b/drivers/media/video/omap24xxcam.c
@@ -1405,7 +1405,7 @@ static int omap24xxcam_mmap_buffers(struct file *file,
        }
        size = 0;
-        for (i = first; i <= last; i++) {
+        for (i = first; i <= last && i < VIDEO_MAX_FRAME; i++) {
                struct videobuf_dmabuf *dma = videobuf_to_dma(vbq->bufs[i]);
                for (j = 0; j < dma->sglen; j++) {
diff --git a/drivers/media/video/pxa_camera.c b/drivers/media/video/pxa_camera.c
index 5ecc30daef2d..04bf5c11308d 100644
--- a/drivers/media/video/pxa_camera.c
+++ b/drivers/media/video/pxa_camera.c
@@ -609,12 +609,9 @@ static void pxa_dma_add_tail_buf(struct pxa_camera_dev *pcdev,
 */
 static void pxa_camera_start_capture(struct pxa_camera_dev *pcdev)
 {
-        unsigned long cicr0, cifr;
+        unsigned long cicr0;
        dev_dbg(pcdev->soc_host.v4l2_dev.dev, "%s\n", __func__);
-        /* Reset the FIFOs */
-        cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
-        __raw_writel(cifr, pcdev->base + CIFR);
        /* Enable End-Of-Frame Interrupt */
        cicr0 = __raw_readl(pcdev->base + CICR0) | CICR0_ENB;
        cicr0 &= ~CICR0_EOFM;
@@ -935,7 +932,7 @@ static void pxa_camera_deactivate(struct pxa_camera_dev *pcdev)
 static irqreturn_t pxa_camera_irq(int irq, void *data)
 {
        struct pxa_camera_dev *pcdev = data;
-        unsigned long status, cicr0;
+        unsigned long status, cifr, cicr0;
        struct pxa_buffer *buf;
        struct videobuf_buffer *vb;
@@ -949,6 +946,10 @@ static irqreturn_t pxa_camera_irq(int irq, void *data)
        __raw_writel(status, pcdev->base + CISR);
        if (status & CISR_EOF) {
+                /* Reset the FIFOs */
+                cifr = __raw_readl(pcdev->base + CIFR) | CIFR_RESET_F;
+                __raw_writel(cifr, pcdev->base + CIFR);
                pcdev->active = list_first_entry(&pcdev->capture,
                                           struct pxa_buffer, vb.queue);
                vb = &pcdev->active->vb;
diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c
index 6e16b3979326..1ad980f8e770 100644
--- a/drivers/media/video/sh_mobile_ceu_camera.c
+++ b/drivers/media/video/sh_mobile_ceu_camera.c
@@ -1633,7 +1633,7 @@ static int sh_mobile_ceu_try_fmt(struct soc_camera_device *icd,
        height = pix->height;
        pix->bytesperline = soc_mbus_bytes_per_line(width, xlate->host_fmt);
-        if (pix->bytesperline < 0)
+        if ((int)pix->bytesperline < 0)
                return pix->bytesperline;
        pix->sizeimage = height * pix->bytesperline;
diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c
index a3d5728b6449..f2ab025ad97a 100644
--- a/drivers/mfd/wm831x-core.c
+++ b/drivers/mfd/wm831x-core.c
@@ -349,6 +349,9 @@ int wm831x_auxadc_read(struct wm831x *wm831x, enum wm831x_auxadc input)
                goto disable;
        }
+        /* If an interrupt arrived late clean up after it */
+        try_wait_for_completion(&wm831x->auxadc_done);
        /* Ignore the result to allow us to soldier on without IRQ hookup */
        wait_for_completion_timeout(&wm831x->auxadc_done, msecs_to_jiffies(5));
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index e400a3bed063..b5807484b4c9 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -363,6 +363,10 @@ int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
        reg |= 1 << channel | WM8350_AUXADC_POLL;
        wm8350_reg_write(wm8350, WM8350_DIGITISER_CONTROL_1, reg);
+        /* If a late IRQ left the completion signalled then consume
+         * the completion. */
+        try_wait_for_completion(&wm8350->auxadc_done);
        /* We ignore the result of the completion and just check for a
         * conversion result, allowing us to soldier on if the IRQ
         * infrastructure is not set up for the chip. */
diff --git a/drivers/misc/vmware_balloon.c b/drivers/misc/vmware_balloon.c
index e7161c4e3798..db9cd0240c6f 100644
--- a/drivers/misc/vmware_balloon.c
+++ b/drivers/misc/vmware_balloon.c
@@ -41,7 +41,7 @@
 #include <linux/workqueue.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
-#include <asm/vmware.h>
+#include <asm/hypervisor.h>
 MODULE_AUTHOR("VMware, Inc.");
 MODULE_DESCRIPTION("VMware Memory Control (Balloon) Driver");
@@ -767,7 +767,7 @@ static int __init vmballoon_init(void)
         * Check if we are running on VMware's hypervisor and bail out
         * if we are not.
         */
-        if (!vmware_platform())
+        if (x86_hyper != &x86_hyper_vmware)
                return -ENODEV;
        vmballoon_wq = create_freezeable_workqueue("vmmemctl");
diff --git a/drivers/mmc/host/at91_mci.c b/drivers/mmc/host/at91_mci.c
index a6dd7da37357..336d9f553f3e 100644
--- a/drivers/mmc/host/at91_mci.c
+++ b/drivers/mmc/host/at91_mci.c
@@ -314,8 +314,8 @@ static void at91_mci_post_dma_read(struct at91mci_host *host)
                        dmabuf = (unsigned *)tmpv;
                }
+                flush_kernel_dcache_page(sg_page(sg));
                kunmap_atomic(sgbuffer, KM_BIO_SRC_IRQ);
-                dmac_flush_range((void *)sgbuffer, ((void *)sgbuffer) + amount);
                data->bytes_xfered += amount;
                if (size == 0)
                        break;
diff --git a/drivers/mmc/host/atmel-mci.c b/drivers/mmc/host/atmel-mci.c
index 88be37d9e9a5..fb279f4ed8b3 100644
--- a/drivers/mmc/host/atmel-mci.c
+++ b/drivers/mmc/host/atmel-mci.c
@@ -266,7 +266,7 @@ static int atmci_req_show(struct seq_file *s, void *v)
                                "CMD%u(0x%x) flg %x rsp %x %x %x %x err %d\n",
                                cmd->opcode, cmd->arg, cmd->flags,
                                cmd->resp[0], cmd->resp[1], cmd->resp[2],
-                                cmd->resp[2], cmd->error);
+                                cmd->resp[3], cmd->error);
                if (data)
                        seq_printf(s, "DATA %u / %u * %u flg %x err %d\n",
                                data->bytes_xfered, data->blocks,
@@ -276,7 +276,7 @@ static int atmci_req_show(struct seq_file *s, void *v)
                                "CMD%u(0x%x) flg %x rsp %x %x %x %x err %d\n",
                                stop->opcode, stop->arg, stop->flags,
                                stop->resp[0], stop->resp[1], stop->resp[2],
-                                stop->resp[2], stop->error);
+                                stop->resp[3], stop->error);
        }
        spin_unlock_bh(&slot->host->lock);
@@ -569,9 +569,10 @@ static void atmci_dma_cleanup(struct atmel_mci *host)
 {
        struct mmc_data                 *data = host->data;
-        dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len,
+        if (data)
-                     ((data->flags & MMC_DATA_WRITE)
+                dma_unmap_sg(&host->pdev->dev, data->sg, data->sg_len,
-                      ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
+                             ((data->flags & MMC_DATA_WRITE)
+                              ? DMA_TO_DEVICE : DMA_FROM_DEVICE));
 }
 static void atmci_stop_dma(struct atmel_mci *host)
@@ -1099,8 +1100,8 @@ static void atmci_command_complete(struct atmel_mci *host,
                        "command error: status=0x%08x\n", status);
                if (cmd->data) {
-                        host->data = NULL;
                        atmci_stop_dma(host);
+                        host->data = NULL;
                        mci_writel(host, IDR, MCI_NOTBUSY
                                        | MCI_TXRDY | MCI_RXRDY
                                        | ATMCI_DATA_ERROR_FLAGS);
@@ -1293,6 +1294,7 @@ static void atmci_tasklet_func(unsigned long priv)
                        } else {
                                data->bytes_xfered = data->blocks * data->blksz;
                                data->error = 0;
+                                mci_writel(host, IDR, ATMCI_DATA_ERROR_FLAGS);
                        }
                        if (!data->stop) {
@@ -1751,13 +1753,13 @@ static int __init atmci_probe(struct platform_device *pdev)
        ret = -ENODEV;
        if (pdata->slot[0].bus_width) {
                ret = atmci_init_slot(host, &pdata->slot[0],
-                                MCI_SDCSEL_SLOT_A, 0);
+                                0, MCI_SDCSEL_SLOT_A);
                if (!ret)
                        nr_slots++;
        }
        if (pdata->slot[1].bus_width) {
                ret = atmci_init_slot(host, &pdata->slot[1],
-                                MCI_SDCSEL_SLOT_B, 1);
+                                1, MCI_SDCSEL_SLOT_B);
                if (!ret)
                        nr_slots++;
        }
diff --git a/drivers/net/a2065.c b/drivers/net/a2065.c
index ed5e9742be2c..a8f0512bad38 100644
--- a/drivers/net/a2065.c
+++ b/drivers/net/a2065.c
@@ -674,6 +674,7 @@ static struct zorro_device_id a2065_zorro_tbl[] __devinitdata = {
        { ZORRO_PROD_AMERISTAR_A2065 },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, a2065_zorro_tbl);
 static struct zorro_driver a2065_driver = {
        .name           = "a2065",
diff --git a/drivers/net/ariadne.c b/drivers/net/ariadne.c
index fa1a2354f5f9..4b30a46486e2 100644
--- a/drivers/net/ariadne.c
+++ b/drivers/net/ariadne.c
@@ -145,6 +145,7 @@ static struct zorro_device_id ariadne_zorro_tbl[] __devinitdata = {
    { ZORRO_PROD_VILLAGE_TRONIC_ARIADNE },
    { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, ariadne_zorro_tbl);
 static struct zorro_driver ariadne_driver = {
    .name       = "ariadne",
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 4e97ca182997..5d3763fb3472 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1649,6 +1649,7 @@ static void free_skb_resources(struct gfar_private *priv)
                        sizeof(struct rxbd8) * priv->total_rx_ring_size,
                        priv->tx_queue[0]->tx_bd_base,
                        priv->tx_queue[0]->tx_bd_dma_base);
+        skb_queue_purge(&priv->rx_recycle);
 }
 void gfar_start(struct net_device *dev)
@@ -2088,7 +2089,6 @@ static int gfar_close(struct net_device *dev)
        disable_napi(priv);
-        skb_queue_purge(&priv->rx_recycle);
        cancel_work_sync(&priv->reset_task);
        stop_gfar(dev);
diff --git a/drivers/net/hydra.c b/drivers/net/hydra.c
index 24724b4ad709..07d8e5b634f3 100644
--- a/drivers/net/hydra.c
+++ b/drivers/net/hydra.c
@@ -71,6 +71,7 @@ static struct zorro_device_id hydra_zorro_tbl[] __devinitdata = {
    { ZORRO_PROD_HYDRA_SYSTEMS_AMIGANET },
    { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, hydra_zorro_tbl);
 static struct zorro_driver hydra_driver = {
    .name       = "hydra",
diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c
index 0cd80e4d71d9..e67691dca4ab 100644
--- a/drivers/net/phy/micrel.c
+++ b/drivers/net/phy/micrel.c
@@ -32,6 +32,7 @@ static int kszphy_config_init(struct phy_device *phydev)
 static struct phy_driver ks8001_driver = {
        .phy_id         = PHY_ID_KS8001,
+        .name           = "Micrel KS8001",
        .phy_id_mask    = 0x00fffff0,
        .features       = PHY_BASIC_FEATURES,
        .flags          = PHY_POLL,
diff --git a/drivers/net/veth.c b/drivers/net/veth.c
index f9f0730b53d5..5ec542dd5b50 100644
--- a/drivers/net/veth.c
+++ b/drivers/net/veth.c
@@ -187,7 +187,6 @@ tx_drop:
        return NETDEV_TX_OK;
 rx_drop:
-        kfree_skb(skb);
        rcv_stats->rx_dropped++;
        return NETDEV_TX_OK;
 }
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 99a6da464bd3..e1c2fcaa8bed 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -727,12 +727,16 @@ static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
 {
        struct device *parent = aru->udev->dev.parent;
+        complete(&aru->firmware_loading_complete);
        /* unbind anything failed */
        if (parent)
                down(&parent->sem);
        device_release_driver(&aru->udev->dev);
        if (parent)
                up(&parent->sem);
+        usb_put_dev(aru->udev);
 }
 static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
@@ -761,6 +765,8 @@ static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
        if (err)
                goto err_unrx;
+        complete(&aru->firmware_loading_complete);
+        usb_put_dev(aru->udev);
        return;
 err_unrx:
@@ -858,6 +864,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
        init_usb_anchor(&aru->tx_pending);
        init_usb_anchor(&aru->tx_submitted);
        init_completion(&aru->cmd_wait);
+        init_completion(&aru->firmware_loading_complete);
        spin_lock_init(&aru->tx_urb_lock);
        aru->tx_pending_urbs = 0;
@@ -877,6 +884,7 @@ static int ar9170_usb_probe(struct usb_interface *intf,
        if (err)
                goto err_freehw;
+        usb_get_dev(aru->udev);
        return request_firmware_nowait(THIS_MODULE, 1, "ar9170.fw",
                                       &aru->udev->dev, GFP_KERNEL, aru,
                                       ar9170_usb_firmware_step2);
@@ -896,6 +904,9 @@ static void ar9170_usb_disconnect(struct usb_interface *intf)
                return;
        aru->common.state = AR9170_IDLE;
+        wait_for_completion(&aru->firmware_loading_complete);
        ar9170_unregister(&aru->common);
        ar9170_usb_cancel_urbs(aru);
diff --git a/drivers/net/wireless/ath/ar9170/usb.h b/drivers/net/wireless/ath/ar9170/usb.h
index a2ce3b169ceb..919b06046eb3 100644
--- a/drivers/net/wireless/ath/ar9170/usb.h
+++ b/drivers/net/wireless/ath/ar9170/usb.h
@@ -71,6 +71,7 @@ struct ar9170_usb {
        unsigned int tx_pending_urbs;
        struct completion cmd_wait;
+        struct completion firmware_loading_complete;
        int readlen;
        u8 *readbuf;
diff --git a/drivers/net/wireless/iwlwifi/iwl-commands.h b/drivers/net/wireless/iwlwifi/iwl-commands.h
index 6383d9f8c9b3..f4e59ae07f8e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-commands.h
+++ b/drivers/net/wireless/iwlwifi/iwl-commands.h
@@ -2621,7 +2621,9 @@ struct iwl_ssid_ie {
 #define PROBE_OPTION_MAX_3945           4
 #define PROBE_OPTION_MAX                20
 #define TX_CMD_LIFE_TIME_INFINITE       cpu_to_le32(0xFFFFFFFF)
-#define IWL_GOOD_CRC_TH                 cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_DISABLED        0
+#define IWL_GOOD_CRC_TH_DEFAULT         cpu_to_le16(1)
+#define IWL_GOOD_CRC_TH_NEVER           cpu_to_le16(0xffff)
 #define IWL_MAX_SCAN_SIZE 1024
 #define IWL_MAX_CMD_SIZE 4096
 #define IWL_MAX_PROBE_REQUEST           200
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index 12e455a4b90e..741e65ec8301 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -813,16 +813,29 @@ static void iwl_bg_request_scan(struct work_struct *data)
                        rate = IWL_RATE_1M_PLCP;
                        rate_flags = RATE_MCS_CCK_MSK;
                }
-                scan->good_CRC_th = 0;
+                scan->good_CRC_th = IWL_GOOD_CRC_TH_DISABLED;
        } else if (priv->scan_bands & BIT(IEEE80211_BAND_5GHZ)) {
                band = IEEE80211_BAND_5GHZ;
                rate = IWL_RATE_6M_PLCP;
                /*
-                 * If active scaning is requested but a certain channel
+                 * If active scanning is requested but a certain channel is
-                 * is marked passive, we can do active scanning if we
+                 * marked passive, we can do active scanning if we detect
-                 * detect transmissions.
+                 * transmissions.
+                 *
+                 * There is an issue with some firmware versions that triggers
+                 * a sysassert on a "good CRC threshold" of zero (== disabled),
+                 * on a radar channel even though this means that we should NOT
+                 * send probes.
+                 *
+                 * The "good CRC threshold" is the number of frames that we
+                 * need to receive during our dwell time on a channel before
+                 * sending out probes -- setting this to a huge value will
+                 * mean we never reach it, but at the same time work around
+                 * the aforementioned issue. Thus use IWL_GOOD_CRC_TH_NEVER
+                 * here instead of IWL_GOOD_CRC_TH_DISABLED.
                 */
-                scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+                scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+                                                IWL_GOOD_CRC_TH_NEVER;
                /* Force use of chains B and C (0x6) for scan Rx for 4965
                 * Avoid A (0x1) because of its off-channel reception on A-band.
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index b55e4f39a9e1..b74a56c48d26 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -2967,7 +2967,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
                 * is marked passive, we can do active scanning if we
                 * detect transmissions.
                 */
-                scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH : 0;
+                scan->good_CRC_th = is_active ? IWL_GOOD_CRC_TH_DEFAULT :
+                                                IWL_GOOD_CRC_TH_DISABLED;
                band = IEEE80211_BAND_5GHZ;
        } else {
                IWL_WARN(priv, "Invalid scan band count\n");
diff --git a/drivers/net/zorro8390.c b/drivers/net/zorro8390.c
index 81c753a617ab..9548cbb5012a 100644
--- a/drivers/net/zorro8390.c
+++ b/drivers/net/zorro8390.c
@@ -102,6 +102,7 @@ static struct zorro_device_id zorro8390_zorro_tbl[] __devinitdata = {
    { ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, },
    { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, zorro8390_zorro_tbl);
 static struct zorro_driver zorro8390_driver = {
    .name       = "zorro8390",
diff --git a/drivers/oprofile/cpu_buffer.c b/drivers/oprofile/cpu_buffer.c
index 7581dbe456da..219f79e2210a 100644
--- a/drivers/oprofile/cpu_buffer.c
+++ b/drivers/oprofile/cpu_buffer.c
@@ -30,23 +30,7 @@
 #define OP_BUFFER_FLAGS 0
-/*
+static struct ring_buffer *op_ring_buffer;
- * Read and write access is using spin locking. Thus, writing to the
- * buffer by NMI handler (x86) could occur also during critical
- * sections when reading the buffer. To avoid this, there are 2
- * buffers for independent read and write access. Read access is in
- * process context only, write access only in the NMI handler. If the
- * read buffer runs empty, both buffers are swapped atomically. There
- * is potentially a small window during swapping where the buffers are
- * disabled and samples could be lost.
- *
- * Using 2 buffers is a little bit overhead, but the solution is clear
- * and does not require changes in the ring buffer implementation. It
- * can be changed to a single buffer solution when the ring buffer
- * access is implemented as non-locking atomic code.
- */
-static struct ring_buffer *op_ring_buffer_read;
-static struct ring_buffer *op_ring_buffer_write;
 DEFINE_PER_CPU(struct oprofile_cpu_buffer, op_cpu_buffer);
 static void wq_sync_buffer(struct work_struct *work);
@@ -68,12 +52,9 @@ void oprofile_cpu_buffer_inc_smpl_lost(void)
 void free_cpu_buffers(void)
 {
-        if (op_ring_buffer_read)
+        if (op_ring_buffer)
-                ring_buffer_free(op_ring_buffer_read);
+                ring_buffer_free(op_ring_buffer);
-        op_ring_buffer_read = NULL;
+        op_ring_buffer = NULL;
-        if (op_ring_buffer_write)
-                ring_buffer_free(op_ring_buffer_write);
-        op_ring_buffer_write = NULL;
 }
 #define RB_EVENT_HDR_SIZE 4
@@ -86,11 +67,8 @@ int alloc_cpu_buffers(void)
        unsigned long byte_size = buffer_size * (sizeof(struct op_sample) +
                                                 RB_EVENT_HDR_SIZE);
-        op_ring_buffer_read = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
+        op_ring_buffer = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
-        if (!op_ring_buffer_read)
+        if (!op_ring_buffer)
-                goto fail;
-        op_ring_buffer_write = ring_buffer_alloc(byte_size, OP_BUFFER_FLAGS);
-        if (!op_ring_buffer_write)
                goto fail;
        for_each_possible_cpu(i) {
@@ -162,16 +140,11 @@ struct op_sample
 *op_cpu_buffer_write_reserve(struct op_entry *entry, unsigned long size)
 {
        entry->event = ring_buffer_lock_reserve
-                (op_ring_buffer_write, sizeof(struct op_sample) +
+                (op_ring_buffer, sizeof(struct op_sample) +
                 size * sizeof(entry->sample->data[0]));
-        if (entry->event)
+        if (!entry->event)
-                entry->sample = ring_buffer_event_data(entry->event);
-        else
-                entry->sample = NULL;
-        if (!entry->sample)
                return NULL;
+        entry->sample = ring_buffer_event_data(entry->event);
        entry->size = size;
        entry->data = entry->sample->data;
@@ -180,25 +153,16 @@ struct op_sample
 int op_cpu_buffer_write_commit(struct op_entry *entry)
 {
-        return ring_buffer_unlock_commit(op_ring_buffer_write, entry->event);
+        return ring_buffer_unlock_commit(op_ring_buffer, entry->event);
 }
 struct op_sample *op_cpu_buffer_read_entry(struct op_entry *entry, int cpu)
 {
        struct ring_buffer_event *e;
-        e = ring_buffer_consume(op_ring_buffer_read, cpu, NULL, NULL);
+        e = ring_buffer_consume(op_ring_buffer, cpu, NULL, NULL);
-        if (e)
+        if (!e)
-                goto event;
-        if (ring_buffer_swap_cpu(op_ring_buffer_read,
-                                 op_ring_buffer_write,
-                                 cpu))
                return NULL;
-        e = ring_buffer_consume(op_ring_buffer_read, cpu, NULL, NULL);
-        if (e)
-                goto event;
-        return NULL;
-event:
        entry->event = e;
        entry->sample = ring_buffer_event_data(e);
        entry->size = (ring_buffer_event_length(e) - sizeof(struct op_sample))
@@ -209,8 +173,7 @@ event:
 unsigned long op_cpu_buffer_entries(int cpu)
 {
-        return ring_buffer_entries_cpu(op_ring_buffer_read, cpu)
+        return ring_buffer_entries_cpu(op_ring_buffer, cpu);
-                + ring_buffer_entries_cpu(op_ring_buffer_write, cpu);
 }
 static int
@@ -356,8 +319,16 @@ void oprofile_add_ext_sample(unsigned long pc, struct pt_regs * const regs,
 void oprofile_add_sample(struct pt_regs * const regs, unsigned long event)
 {
-        int is_kernel = !user_mode(regs);
+        int is_kernel;
-        unsigned long pc = profile_pc(regs);
+        unsigned long pc;
+        if (likely(regs)) {
+                is_kernel = !user_mode(regs);
+                pc = profile_pc(regs);
+        } else {
+                is_kernel = 0;    /* This value will not be used */
+                pc = ESCAPE_CODE; /* as this causes an early return. */
+        }
        __oprofile_add_ext_sample(pc, regs, event, is_kernel);
 }
diff --git a/drivers/oprofile/oprof.c b/drivers/oprofile/oprof.c
index dc8a0428260d..b336cd9ee7a1 100644
--- a/drivers/oprofile/oprof.c
+++ b/drivers/oprofile/oprof.c
@@ -253,22 +253,26 @@ static int __init oprofile_init(void)
        int err;
        err = oprofile_arch_init(&oprofile_ops);
        if (err < 0 || timer) {
                printk(KERN_INFO "oprofile: using timer interrupt.\n");
-                oprofile_timer_init(&oprofile_ops);
+                err = oprofile_timer_init(&oprofile_ops);
+                if (err)
+                        goto out_arch;
        }
        err = oprofilefs_register();
        if (err)
-                oprofile_arch_exit();
+                goto out_arch;
+        return 0;
+out_arch:
+        oprofile_arch_exit();
        return err;
 }
 static void __exit oprofile_exit(void)
 {
+        oprofile_timer_exit();
        oprofilefs_unregister();
        oprofile_arch_exit();
 }
diff --git a/drivers/oprofile/oprof.h b/drivers/oprofile/oprof.h
index cb92f5c98c1a..47e12cb4ee8b 100644
--- a/drivers/oprofile/oprof.h
+++ b/drivers/oprofile/oprof.h
@@ -34,7 +34,8 @@ struct super_block;
 struct dentry;
 void oprofile_create_files(struct super_block *sb, struct dentry *root);
-void oprofile_timer_init(struct oprofile_operations *ops);
+int oprofile_timer_init(struct oprofile_operations *ops);
+void oprofile_timer_exit(void);
 int oprofile_set_backtrace(unsigned long depth);
 int oprofile_set_timeout(unsigned long time);
diff --git a/drivers/oprofile/timer_int.c b/drivers/oprofile/timer_int.c
index 333f915568c7..dc0ae4d14dff 100644
--- a/drivers/oprofile/timer_int.c
+++ b/drivers/oprofile/timer_int.c
@@ -13,34 +13,94 @@
 #include <linux/oprofile.h>
 #include <linux/profile.h>
 #include <linux/init.h>
+#include <linux/cpu.h>
+#include <linux/hrtimer.h>
+#include <asm/irq_regs.h>
 #include <asm/ptrace.h>
 #include "oprof.h"
-static int timer_notify(struct pt_regs *regs)
+static DEFINE_PER_CPU(struct hrtimer, oprofile_hrtimer);
+static enum hrtimer_restart oprofile_hrtimer_notify(struct hrtimer *hrtimer)
+{
+        oprofile_add_sample(get_irq_regs(), 0);
+        hrtimer_forward_now(hrtimer, ns_to_ktime(TICK_NSEC));
+        return HRTIMER_RESTART;
+}
+static void __oprofile_hrtimer_start(void *unused)
+{
+        struct hrtimer *hrtimer = &__get_cpu_var(oprofile_hrtimer);
+        hrtimer_init(hrtimer, CLOCK_MONOTONIC, HRTIMER_MODE_REL);
+        hrtimer->function = oprofile_hrtimer_notify;
+        hrtimer_start(hrtimer, ns_to_ktime(TICK_NSEC),
+                      HRTIMER_MODE_REL_PINNED);
+}
+static int oprofile_hrtimer_start(void)
 {
-        oprofile_add_sample(regs, 0);
+        on_each_cpu(__oprofile_hrtimer_start, NULL, 1);
        return 0;
 }
-static int timer_start(void)
+static void __oprofile_hrtimer_stop(int cpu)
 {
-        return register_timer_hook(timer_notify);
+        struct hrtimer *hrtimer = &per_cpu(oprofile_hrtimer, cpu);
+        hrtimer_cancel(hrtimer);
 }
+static void oprofile_hrtimer_stop(void)
+{
+        int cpu;
+        for_each_online_cpu(cpu)
+                __oprofile_hrtimer_stop(cpu);
+}
-static void timer_stop(void)
+static int __cpuinit oprofile_cpu_notify(struct notifier_block *self,
+                                         unsigned long action, void *hcpu)
 {
-        unregister_timer_hook(timer_notify);
+        long cpu = (long) hcpu;
+        switch (action) {
+        case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
+                smp_call_function_single(cpu, __oprofile_hrtimer_start,
+                                         NULL, 1);
+                break;
+        case CPU_DEAD:
+        case CPU_DEAD_FROZEN:
+                __oprofile_hrtimer_stop(cpu);
+                break;
+        }
+        return NOTIFY_OK;
 }
+static struct notifier_block __refdata oprofile_cpu_notifier = {
+        .notifier_call = oprofile_cpu_notify,
+};
-void __init oprofile_timer_init(struct oprofile_operations *ops)
+int __init oprofile_timer_init(struct oprofile_operations *ops)
 {
+        int rc;
+        rc = register_hotcpu_notifier(&oprofile_cpu_notifier);
+        if (rc)
+                return rc;
        ops->create_files = NULL;
        ops->setup = NULL;
        ops->shutdown = NULL;
-        ops->start = timer_start;
+        ops->start = oprofile_hrtimer_start;
-        ops->stop = timer_stop;
+        ops->stop = oprofile_hrtimer_stop;
        ops->cpu_type = "timer";
+        return 0;
+}
+void __exit oprofile_timer_exit(void)
+{
+        unregister_hotcpu_notifier(&oprofile_cpu_notifier);
 }
diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 417312528ddf..371dc564e2e4 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -3626,14 +3626,15 @@ static void intel_iommu_detach_device(struct iommu_domain *domain,
        domain_remove_one_dev_info(dmar_domain, pdev);
 }
-static int intel_iommu_map_range(struct iommu_domain *domain,
+static int intel_iommu_map(struct iommu_domain *domain,
-                                 unsigned long iova, phys_addr_t hpa,
+                           unsigned long iova, phys_addr_t hpa,
-                                 size_t size, int iommu_prot)
+                           int gfp_order, int iommu_prot)
 {
        struct dmar_domain *dmar_domain = domain->priv;
        u64 max_addr;
        int addr_width;
        int prot = 0;
+        size_t size;
        int ret;
        if (iommu_prot & IOMMU_READ)
@@ -3643,6 +3644,7 @@ static int intel_iommu_map_range(struct iommu_domain *domain,
        if ((iommu_prot & IOMMU_CACHE) && dmar_domain->iommu_snooping)
                prot |= DMA_PTE_SNP;
+        size     = PAGE_SIZE << gfp_order;
        max_addr = iova + size;
        if (dmar_domain->max_addr < max_addr) {
                int min_agaw;
@@ -3669,19 +3671,19 @@ static int intel_iommu_map_range(struct iommu_domain *domain,
        return ret;
 }
-static void intel_iommu_unmap_range(struct iommu_domain *domain,
+static int intel_iommu_unmap(struct iommu_domain *domain,
-                                    unsigned long iova, size_t size)
+                             unsigned long iova, int gfp_order)
 {
        struct dmar_domain *dmar_domain = domain->priv;
+        size_t size = PAGE_SIZE << gfp_order;
-        if (!size)
-                return;
        dma_pte_clear_range(dmar_domain, iova >> VTD_PAGE_SHIFT,
                            (iova + size - 1) >> VTD_PAGE_SHIFT);
        if (dmar_domain->max_addr == iova + size)
                dmar_domain->max_addr = iova;
+        return gfp_order;
 }
 static phys_addr_t intel_iommu_iova_to_phys(struct iommu_domain *domain,
@@ -3714,8 +3716,8 @@ static struct iommu_ops intel_iommu_ops = {
        .domain_destroy = intel_iommu_domain_destroy,
        .attach_dev     = intel_iommu_attach_device,
        .detach_dev     = intel_iommu_detach_device,
-        .map            = intel_iommu_map_range,
+        .map            = intel_iommu_map,
-        .unmap          = intel_iommu_unmap_range,
+        .unmap          = intel_iommu_unmap,
        .iova_to_phys   = intel_iommu_iova_to_phys,
        .domain_has_cap = intel_iommu_domain_has_cap,
 };
diff --git a/drivers/pci/setup-bus.c b/drivers/pci/setup-bus.c
index 4fe36d2e1049..19b111383f62 100644
--- a/drivers/pci/setup-bus.c
+++ b/drivers/pci/setup-bus.c
@@ -838,65 +838,11 @@ static void pci_bus_dump_resources(struct pci_bus *bus)
        }
 }
-static int __init pci_bus_get_depth(struct pci_bus *bus)
-{
-        int depth = 0;
-        struct pci_dev *dev;
-        list_for_each_entry(dev, &bus->devices, bus_list) {
-                int ret;
-                struct pci_bus *b = dev->subordinate;
-                if (!b)
-                        continue;
-                ret = pci_bus_get_depth(b);
-                if (ret + 1 > depth)
-                        depth = ret + 1;
-        }
-        return depth;
-}
-static int __init pci_get_max_depth(void)
-{
-        int depth = 0;
-        struct pci_bus *bus;
-        list_for_each_entry(bus, &pci_root_buses, node) {
-                int ret;
-                ret = pci_bus_get_depth(bus);
-                if (ret > depth)
-                        depth = ret;
-        }
-        return depth;
-}
-/*
- * first try will not touch pci bridge res
- * second  and later try will clear small leaf bridge res
- * will stop till to the max  deepth if can not find good one
- */
 void __init
 pci_assign_unassigned_resources(void)
 {
        struct pci_bus *bus;
-        int tried_times = 0;
-        enum release_type rel_type = leaf_only;
-        struct resource_list_x head, *list;
-        unsigned long type_mask = IORESOURCE_IO | IORESOURCE_MEM |
-                                  IORESOURCE_PREFETCH;
-        unsigned long failed_type;
-        int max_depth = pci_get_max_depth();
-        int pci_try_num;
-        head.next = NULL;
-        pci_try_num = max_depth + 1;
-        printk(KERN_DEBUG "PCI: max bus depth: %d pci_try_num: %d\n",
-                 max_depth, pci_try_num);
-again:
        /* Depth first, calculate sizes and alignments of all
           subordinate buses. */
        list_for_each_entry(bus, &pci_root_buses, node) {
@@ -904,65 +850,9 @@ again:
        }
        /* Depth last, allocate resources and update the hardware. */
        list_for_each_entry(bus, &pci_root_buses, node) {
-                __pci_bus_assign_resources(bus, &head);
+                pci_bus_assign_resources(bus);
-        }
-        tried_times++;
-        /* any device complain? */
-        if (!head.next)
-                goto enable_and_dump;
-        failed_type = 0;
-        for (list = head.next; list;) {
-                failed_type |= list->flags;
-                list = list->next;
-        }
-        /*
-         * io port are tight, don't try extra
-         * or if reach the limit, don't want to try more
-         */
-        failed_type &= type_mask;
-        if ((failed_type == IORESOURCE_IO) || (tried_times >= pci_try_num)) {
-                free_failed_list(&head);
-                goto enable_and_dump;
-        }
-        printk(KERN_DEBUG "PCI: No. %d try to assign unassigned res\n",
-                         tried_times + 1);
-        /* third times and later will not check if it is leaf */
-        if ((tried_times + 1) > 2)
-                rel_type = whole_subtree;
-        /*
-         * Try to release leaf bridge's resources that doesn't fit resource of
-         * child device under that bridge
-         */
-        for (list = head.next; list;) {
-                bus = list->dev->bus;
-                pci_bus_release_bridge_resources(bus, list->flags & type_mask,
-                                                  rel_type);
-                list = list->next;
-        }
-        /* restore size and flags */
-        for (list = head.next; list;) {
-                struct resource *res = list->res;
-                res->start = list->start;
-                res->end = list->end;
-                res->flags = list->flags;
-                if (list->dev->subordinate)
-                        res->flags = 0;
-                list = list->next;
-        }
-        free_failed_list(&head);
-        goto again;
-enable_and_dump:
-        /* Depth last, update the hardware. */
-        list_for_each_entry(bus, &pci_root_buses, node)
                pci_enable_bridges(bus);
+        }
        /* dump the resource on buses */
        list_for_each_entry(bus, &pci_root_buses, node) {
diff --git a/drivers/pcmcia/cs.c b/drivers/pcmcia/cs.c
index 75ed866e6953..c3383750e333 100644
--- a/drivers/pcmcia/cs.c
+++ b/drivers/pcmcia/cs.c
@@ -671,20 +671,22 @@ static int pccardd(void *__skt)
                                socket_remove(skt);
                        if (sysfs_events & PCMCIA_UEVENT_INSERT)
                                socket_insert(skt);
-                        if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
-                                !(skt->state & SOCKET_CARDBUS)) {
-                                ret = socket_resume(skt);
-                                if (!ret && skt->callback)
-                                        skt->callback->resume(skt);
-                        }
                        if ((sysfs_events & PCMCIA_UEVENT_SUSPEND) &&
                                !(skt->state & SOCKET_CARDBUS)) {
                                if (skt->callback)
                                        ret = skt->callback->suspend(skt);
                                else
                                        ret = 0;
-                                if (!ret)
+                                if (!ret) {
                                        socket_suspend(skt);
+                                        msleep(100);
+                                }
+                        }
+                        if ((sysfs_events & PCMCIA_UEVENT_RESUME) &&
+                                !(skt->state & SOCKET_CARDBUS)) {
+                                ret = socket_resume(skt);
+                                if (!ret && skt->callback)
+                                        skt->callback->resume(skt);
                        }
                        if ((sysfs_events & PCMCIA_UEVENT_REQUERY) &&
                                !(skt->state & SOCKET_CARDBUS)) {
diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 508f94a2a78d..041eee43fd8d 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -1283,6 +1283,7 @@ static int ds_event(struct pcmcia_socket *skt, event_t event, int priority)
                        destroy_cis_cache(skt);
                        kfree(skt->fake_cis);
                        skt->fake_cis = NULL;
+                        s->functions = 0;
                        mutex_unlock(&s->ops_mutex);
                        /* now, add the new card */
                        ds_event(skt, CS_EVENT_CARD_INSERTION,
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 104e73d5d86c..7631faa0cadd 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -711,7 +711,7 @@ static int ds_open(struct inode *inode, struct file *file)
            warning_printed = 1;
    }
-    if (s->pcmcia_state.present)
+    if (atomic_read(&s->present))
        queue_event(user, CS_EVENT_CARD_INSERTION);
 out:
    unlock_kernel();
@@ -770,9 +770,6 @@ static ssize_t ds_read(struct file *file, char __user *buf,
        return -EIO;
    s = user->socket;
-    if (s->pcmcia_state.dead)
-        return -EIO;
    ret = wait_event_interruptible(s->queue, !queue_empty(user));
    if (ret == 0)
        ret = put_user(get_queued_event(user), (int __user *)buf) ? -EFAULT : 4;
@@ -838,8 +835,6 @@ static int ds_ioctl(struct inode *inode, struct file *file,
        return -EIO;
    s = user->socket;
-    if (s->pcmcia_state.dead)
-        return -EIO;
    size = (cmd & IOCSIZE_MASK) >> IOCSIZE_SHIFT;
    if (size > sizeof(ds_ioctl_arg_t))
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 35bb44af49b3..100e4d9372f1 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -274,26 +274,6 @@ static void pnpacpi_parse_allocated_busresource(struct pnp_dev *dev,
        pnp_add_bus_resource(dev, start, end);
 }
-static u64 addr_space_length(struct pnp_dev *dev, u64 min, u64 max, u64 len)
-{
-        u64 max_len;
-        max_len = max - min + 1;
-        if (len <= max_len)
-                return len;
-        /*
-         * Per 6.4.3.5, _LEN cannot exceed _MAX - _MIN + 1, but some BIOSes
-         * don't do this correctly, e.g.,
-         * https://bugzilla.kernel.org/show_bug.cgi?id=15480
-         */
-        dev_info(&dev->dev,
-                 "resource length %#llx doesn't fit in %#llx-%#llx, trimming\n",
-                 (unsigned long long) len, (unsigned long long) min,
-                 (unsigned long long) max);
-        return max_len;
-}
 static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                                                  struct acpi_resource *res)
 {
@@ -309,7 +289,8 @@ static void pnpacpi_parse_allocated_address_space(struct pnp_dev *dev,
                return;
        }
-        len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+        /* Windows apparently computes length rather than using _LEN */
+        len = p->maximum - p->minimum + 1;
        window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
        if (p->resource_type == ACPI_MEMORY_RANGE)
@@ -330,7 +311,8 @@ static void pnpacpi_parse_allocated_ext_address_space(struct pnp_dev *dev,
        int window;
        u64 len;
-        len = addr_space_length(dev, p->minimum, p->maximum, p->address_length);
+        /* Windows apparently computes length rather than using _LEN */
+        len = p->maximum - p->minimum + 1;
        window = (p->producer_consumer == ACPI_PRODUCER) ? 1 : 0;
        if (p->resource_type == ACPI_MEMORY_RANGE)
diff --git a/drivers/pnp/resource.c b/drivers/pnp/resource.c
index 2e54e6a23c72..e3446ab8b563 100644
--- a/drivers/pnp/resource.c
+++ b/drivers/pnp/resource.c
@@ -211,6 +211,8 @@ int pnp_check_port(struct pnp_dev *dev, struct resource *res)
                        if (tres->flags & IORESOURCE_IO) {
                                if (cannot_compare(tres->flags))
                                        continue;
+                                if (tres->flags & IORESOURCE_WINDOW)
+                                        continue;
                                tport = &tres->start;
                                tend = &tres->end;
                                if (ranged_conflict(port, end, tport, tend))
@@ -271,6 +273,8 @@ int pnp_check_mem(struct pnp_dev *dev, struct resource *res)
                        if (tres->flags & IORESOURCE_MEM) {
                                if (cannot_compare(tres->flags))
                                        continue;
+                                if (tres->flags & IORESOURCE_WINDOW)
+                                        continue;
                                taddr = &tres->start;
                                tend = &tres->end;
                                if (ranged_conflict(addr, end, taddr, tend))
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index acf222f91f5a..fa2339cb1681 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -37,6 +37,9 @@
 */
 #define DASD_CHANQ_MAX_SIZE 4
+#define DASD_SLEEPON_START_TAG  (void *) 1
+#define DASD_SLEEPON_END_TAG    (void *) 2
 /*
 * SECTION: exported variables of dasd.c
 */
@@ -1472,7 +1475,10 @@ void dasd_add_request_tail(struct dasd_ccw_req *cqr)
 */
 static void dasd_wakeup_cb(struct dasd_ccw_req *cqr, void *data)
 {
-        wake_up((wait_queue_head_t *) data);
+        spin_lock_irq(get_ccwdev_lock(cqr->startdev->cdev));
+        cqr->callback_data = DASD_SLEEPON_END_TAG;
+        spin_unlock_irq(get_ccwdev_lock(cqr->startdev->cdev));
+        wake_up(&generic_waitq);
 }
 static inline int _wait_for_wakeup(struct dasd_ccw_req *cqr)
@@ -1482,10 +1488,7 @@ static inline int _wait_for_wakeup(struct dasd_ccw_req *cqr)
        device = cqr->startdev;
        spin_lock_irq(get_ccwdev_lock(device->cdev));
-        rc = ((cqr->status == DASD_CQR_DONE ||
+        rc = (cqr->callback_data == DASD_SLEEPON_END_TAG);
-               cqr->status == DASD_CQR_NEED_ERP ||
-               cqr->status == DASD_CQR_TERMINATED) &&
-              list_empty(&cqr->devlist));
        spin_unlock_irq(get_ccwdev_lock(device->cdev));
        return rc;
 }
@@ -1573,7 +1576,7 @@ static int _dasd_sleep_on(struct dasd_ccw_req *maincqr, int interruptible)
                        wait_event(generic_waitq, !(device->stopped));
                cqr->callback = dasd_wakeup_cb;
-                cqr->callback_data = (void *) &generic_waitq;
+                cqr->callback_data = DASD_SLEEPON_START_TAG;
                dasd_add_request_tail(cqr);
                if (interruptible) {
                        rc = wait_event_interruptible(
@@ -1652,7 +1655,7 @@ int dasd_sleep_on_immediatly(struct dasd_ccw_req *cqr)
        }
        cqr->callback = dasd_wakeup_cb;
-        cqr->callback_data = (void *) &generic_waitq;
+        cqr->callback_data = DASD_SLEEPON_START_TAG;
        cqr->status = DASD_CQR_QUEUED;
        list_add(&cqr->devlist, &device->ccw_queue);
diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c
index 9201afe65609..7f87979da22d 100644
--- a/drivers/scsi/advansys.c
+++ b/drivers/scsi/advansys.c
@@ -4724,6 +4724,10 @@ static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
        BUG_ON((unsigned long)asc_dvc->overrun_buf & 7);
        asc_dvc->overrun_dma = dma_map_single(board->dev, asc_dvc->overrun_buf,
                                        ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+        if (dma_mapping_error(board->dev, asc_dvc->overrun_dma)) {
+                warn_code = -ENOMEM;
+                goto err_dma_map;
+        }
        phy_addr = cpu_to_le32(asc_dvc->overrun_dma);
        AscMemDWordCopyPtrToLram(iop_base, ASCV_OVERRUN_PADDR_D,
                                 (uchar *)&phy_addr, 1);
@@ -4739,14 +4743,23 @@ static ushort AscInitMicroCodeVar(ASC_DVC_VAR *asc_dvc)
        AscSetPCAddr(iop_base, ASC_MCODE_START_ADDR);
        if (AscGetPCAddr(iop_base) != ASC_MCODE_START_ADDR) {
                asc_dvc->err_code |= ASC_IERR_SET_PC_ADDR;
-                return warn_code;
+                warn_code = UW_ERR;
+                goto err_mcode_start;
        }
        if (AscStartChip(iop_base) != 1) {
                asc_dvc->err_code |= ASC_IERR_START_STOP_CHIP;
-                return warn_code;
+                warn_code = UW_ERR;
+                goto err_mcode_start;
        }
        return warn_code;
+err_mcode_start:
+        dma_unmap_single(board->dev, asc_dvc->overrun_dma,
+                         ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+err_dma_map:
+        asc_dvc->overrun_dma = 0;
+        return warn_code;
 }
 static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
@@ -4802,6 +4815,8 @@ static ushort AscInitAsc1000Driver(ASC_DVC_VAR *asc_dvc)
        }
        release_firmware(fw);
        warn_code |= AscInitMicroCodeVar(asc_dvc);
+        if (!asc_dvc->overrun_dma)
+                return warn_code;
        asc_dvc->init_state |= ASC_INIT_STATE_END_LOAD_MC;
        AscEnableInterrupt(iop_base);
        return warn_code;
@@ -7978,9 +7993,10 @@ static int advansys_reset(struct scsi_cmnd *scp)
                status = AscInitAsc1000Driver(asc_dvc);
                /* Refer to ASC_IERR_* definitions for meaning of 'err_code'. */
-                if (asc_dvc->err_code) {
+                if (asc_dvc->err_code || !asc_dvc->overrun_dma) {
                        scmd_printk(KERN_INFO, scp, "SCSI bus reset error: "
-                                    "0x%x\n", asc_dvc->err_code);
+                                    "0x%x, status: 0x%x\n", asc_dvc->err_code,
+                                    status);
                        ret = FAILED;
                } else if (status) {
                        scmd_printk(KERN_INFO, scp, "SCSI bus reset warning: "
@@ -12311,7 +12327,7 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
                asc_dvc_varp->overrun_buf = kzalloc(ASC_OVERRUN_BSIZE, GFP_KERNEL);
                if (!asc_dvc_varp->overrun_buf) {
                        ret = -ENOMEM;
-                        goto err_free_wide_mem;
+                        goto err_free_irq;
                }
                warn_code = AscInitAsc1000Driver(asc_dvc_varp);
@@ -12320,30 +12336,36 @@ static int __devinit advansys_board_found(struct Scsi_Host *shost,
                                        "warn 0x%x, error 0x%x\n",
                                        asc_dvc_varp->init_state, warn_code,
                                        asc_dvc_varp->err_code);
-                        if (asc_dvc_varp->err_code) {
+                        if (!asc_dvc_varp->overrun_dma) {
                                ret = -ENODEV;
-                                kfree(asc_dvc_varp->overrun_buf);
+                                goto err_free_mem;
                        }
                }
        } else {
-                if (advansys_wide_init_chip(shost))
+                if (advansys_wide_init_chip(shost)) {
                        ret = -ENODEV;
+                        goto err_free_mem;
+                }
        }
-        if (ret)
-                goto err_free_wide_mem;
        ASC_DBG_PRT_SCSI_HOST(2, shost);
        ret = scsi_add_host(shost, boardp->dev);
        if (ret)
-                goto err_free_wide_mem;
+                goto err_free_mem;
        scsi_scan_host(shost);
        return 0;
- err_free_wide_mem:
+ err_free_mem:
-        advansys_wide_free_mem(boardp);
+        if (ASC_NARROW_BOARD(boardp)) {
+                if (asc_dvc_varp->overrun_dma)
+                        dma_unmap_single(boardp->dev, asc_dvc_varp->overrun_dma,
+                                         ASC_OVERRUN_BSIZE, DMA_FROM_DEVICE);
+                kfree(asc_dvc_varp->overrun_buf);
+        } else
+                advansys_wide_free_mem(boardp);
+ err_free_irq:
        free_irq(boardp->irq, shost);
 err_free_dma:
 #ifdef CONFIG_ISA
diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
index 6d5ae4474bb3..633e09036357 100644
--- a/drivers/scsi/libiscsi.c
+++ b/drivers/scsi/libiscsi.c
@@ -471,12 +471,12 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
        WARN_ON(hdrlength >= 256);
        hdr->hlength = hdrlength & 0xFF;
+        hdr->cmdsn = task->cmdsn = cpu_to_be32(session->cmdsn);
        if (session->tt->init_task && session->tt->init_task(task))
                return -EIO;
        task->state = ISCSI_TASK_RUNNING;
-        hdr->cmdsn = task->cmdsn = cpu_to_be32(session->cmdsn);
        session->cmdsn++;
        conn->scsicmd_pdus_cnt++;
diff --git a/drivers/scsi/libsas/sas_ata.c b/drivers/scsi/libsas/sas_ata.c
index b00efd19aadb..88f744672576 100644
--- a/drivers/scsi/libsas/sas_ata.c
+++ b/drivers/scsi/libsas/sas_ata.c
@@ -395,11 +395,15 @@ int sas_ata_init_host_and_port(struct domain_device *found_dev,
 void sas_ata_task_abort(struct sas_task *task)
 {
        struct ata_queued_cmd *qc = task->uldd_task;
+        struct request_queue *q = qc->scsicmd->device->request_queue;
        struct completion *waiting;
+        unsigned long flags;
        /* Bounce SCSI-initiated commands to the SCSI EH */
        if (qc->scsicmd) {
+                spin_lock_irqsave(q->queue_lock, flags);
                blk_abort_request(qc->scsicmd->request);
+                spin_unlock_irqrestore(q->queue_lock, flags);
                scsi_schedule_eh(qc->scsicmd->device->host);
                return;
        }
diff --git a/drivers/scsi/libsas/sas_scsi_host.c b/drivers/scsi/libsas/sas_scsi_host.c
index 2660e1b4569a..822835055cef 100644
--- a/drivers/scsi/libsas/sas_scsi_host.c
+++ b/drivers/scsi/libsas/sas_scsi_host.c
@@ -1030,6 +1030,8 @@ int __sas_task_abort(struct sas_task *task)
 void sas_task_abort(struct sas_task *task)
 {
        struct scsi_cmnd *sc = task->uldd_task;
+        struct request_queue *q = sc->device->request_queue;
+        unsigned long flags;
        /* Escape for libsas internal commands */
        if (!sc) {
@@ -1044,7 +1046,9 @@ void sas_task_abort(struct sas_task *task)
                return;
        }
+        spin_lock_irqsave(q->queue_lock, flags);
        blk_abort_request(sc->request);
+        spin_unlock_irqrestore(q->queue_lock, flags);
        scsi_schedule_eh(sc->device->host);
 }
diff --git a/drivers/scsi/scsi_debug.c b/drivers/scsi/scsi_debug.c
index 3e10c306de94..3a5bfd10b2cb 100644
--- a/drivers/scsi/scsi_debug.c
+++ b/drivers/scsi/scsi_debug.c
@@ -957,7 +957,8 @@ static int resp_start_stop(struct scsi_cmnd * scp,
 static sector_t get_sdebug_capacity(void)
 {
        if (scsi_debug_virtual_gb > 0)
-                return 2048 * 1024 * (sector_t)scsi_debug_virtual_gb;
+                return (sector_t)scsi_debug_virtual_gb *
+                        (1073741824 / scsi_debug_sector_size);
        else
                return sdebug_store_sectors;
 }
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index d45c69ca5737..7ad53fa42766 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -302,7 +302,20 @@ static int scsi_check_sense(struct scsi_cmnd *scmd)
                if (scmd->device->allow_restart &&
                    (sshdr.asc == 0x04) && (sshdr.ascq == 0x02))
                        return FAILED;
-                return SUCCESS;
+                if (blk_barrier_rq(scmd->request))
+                        /*
+                         * barrier requests should always retry on UA
+                         * otherwise block will get a spurious error
+                         */
+                        return NEEDS_RETRY;
+                else
+                        /*
+                         * for normal (non barrier) commands, pass the
+                         * UA upwards for a determination in the
+                         * completion functions
+                         */
+                        return SUCCESS;
                /* these three are not supported */
        case COPY_ABORTED:
diff --git a/drivers/scsi/sd.c b/drivers/scsi/sd.c
index 8b827f37b03e..de6c60320f6f 100644
--- a/drivers/scsi/sd.c
+++ b/drivers/scsi/sd.c
@@ -1040,6 +1040,7 @@ static void sd_prepare_flush(struct request_queue *q, struct request *rq)
 {
        rq->cmd_type = REQ_TYPE_BLOCK_PC;
        rq->timeout = SD_TIMEOUT;
+        rq->retries = SD_MAX_RETRIES;
        rq->cmd[0] = SYNCHRONIZE_CACHE;
        rq->cmd_len = 10;
 }
diff --git a/drivers/scsi/zorro7xx.c b/drivers/scsi/zorro7xx.c
index 105449c15fa9..e17764d71476 100644
--- a/drivers/scsi/zorro7xx.c
+++ b/drivers/scsi/zorro7xx.c
@@ -69,6 +69,7 @@ static struct zorro_device_id zorro7xx_zorro_tbl[] __devinitdata = {
        },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, zorro7xx_zorro_tbl);
 static int __devinit zorro7xx_init_one(struct zorro_dev *z,
                                       const struct zorro_device_id *ent)
diff --git a/drivers/serial/imx.c b/drivers/serial/imx.c
index 4315b23590bd..eacb588a9345 100644
--- a/drivers/serial/imx.c
+++ b/drivers/serial/imx.c
@@ -120,7 +120,8 @@
 #define  MX2_UCR3_RXDMUXSEL      (1<<2)  /* RXD Muxed Input Select, on mx2/mx3 */
 #define  UCR3_INVT       (1<<1)  /* Inverted Infrared transmission */
 #define  UCR3_BPEN       (1<<0)  /* Preset registers enable */
-#define  UCR4_CTSTL_32   (32<<10) /* CTS trigger level (32 chars) */
+#define  UCR4_CTSTL_SHF  10      /* CTS trigger level shift */
+#define  UCR4_CTSTL_MASK 0x3F    /* CTS trigger is 6 bits wide */
 #define  UCR4_INVR       (1<<9)  /* Inverted infrared reception */
 #define  UCR4_ENIRI      (1<<8)  /* Serial infrared interrupt enable */
 #define  UCR4_WKEN       (1<<7)  /* Wake interrupt enable */
@@ -591,6 +592,9 @@ static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode)
        return 0;
 }
+/* half the RX buffer size */
+#define CTSTL 16
 static int imx_startup(struct uart_port *port)
 {
        struct imx_port *sport = (struct imx_port *)port;
@@ -607,6 +611,10 @@ static int imx_startup(struct uart_port *port)
        if (USE_IRDA(sport))
                temp |= UCR4_IRSC;
+        /* set the trigger level for CTS */
+        temp &= ~(UCR4_CTSTL_MASK<<  UCR4_CTSTL_SHF);
+        temp |= CTSTL<<  UCR4_CTSTL_SHF;
        writel(temp & ~UCR4_DREN, sport->port.membase + UCR4);
        if (USE_IRDA(sport)) {
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c
index a176ab4bd65b..02469c31bf0b 100644
--- a/drivers/serial/mpc52xx_uart.c
+++ b/drivers/serial/mpc52xx_uart.c
@@ -1467,7 +1467,7 @@ mpc52xx_uart_init(void)
        /*
         * Map the PSC FIFO Controller and init if on MPC512x.
         */
-        if (psc_ops->fifoc_init) {
+        if (psc_ops && psc_ops->fifoc_init) {
                ret = psc_ops->fifoc_init();
                if (ret)
                        return ret;
diff --git a/drivers/usb/core/inode.c b/drivers/usb/core/inode.c
index 4a6366a42129..111a01a747fc 100644
--- a/drivers/usb/core/inode.c
+++ b/drivers/usb/core/inode.c
@@ -380,6 +380,7 @@ static int usbfs_rmdir(struct inode *dir, struct dentry *dentry)
        mutex_lock(&inode->i_mutex);
        dentry_unhash(dentry);
        if (usbfs_empty(dentry)) {
+                dont_mount(dentry);
                drop_nlink(dentry->d_inode);
                drop_nlink(dentry->d_inode);
                dput(dentry);
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index e69d238c5af0..49fa953aaf6e 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -1035,7 +1035,12 @@ int vhost_add_used(struct vhost_virtqueue *vq, unsigned int head, int len)
 /* This actually signals the guest, using eventfd. */
 void vhost_signal(struct vhost_dev *dev, struct vhost_virtqueue *vq)
 {
-        __u16 flags = 0;
+        __u16 flags;
+        /* Flush out used index updates. This is paired
+         * with the barrier that the Guest executes when enabling
+         * interrupts. */
+        smp_mb();
        if (get_user(flags, &vq->avail->flags)) {
                vq_err(vq, "Failed to get flags");
                return;
diff --git a/drivers/video/amifb.c b/drivers/video/amifb.c
index dca48df98444..e5d6b56d4447 100644
--- a/drivers/video/amifb.c
+++ b/drivers/video/amifb.c
@@ -50,8 +50,9 @@
 #include <linux/fb.h>
 #include <linux/init.h>
 #include <linux/ioport.h>
+#include <linux/platform_device.h>
 #include <linux/uaccess.h>
 #include <asm/system.h>
 #include <asm/irq.h>
 #include <asm/amigahw.h>
@@ -1135,7 +1136,7 @@ static int amifb_ioctl(struct fb_info *info, unsigned int cmd, unsigned long arg
         * Interface to the low level console driver
         */
-static void amifb_deinit(void);
+static void amifb_deinit(struct platform_device *pdev);
        /*
         * Internal routines
@@ -2246,7 +2247,7 @@ static inline void chipfree(void)
         * Initialisation
         */
-static int __init amifb_init(void)
+static int __init amifb_probe(struct platform_device *pdev)
 {
        int tag, i, err = 0;
        u_long chipptr;
@@ -2261,16 +2262,6 @@ static int __init amifb_init(void)
        }
        amifb_setup(option);
 #endif
-        if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(AMI_VIDEO))
-                return -ENODEV;
-        /*
-         * We request all registers starting from bplpt[0]
-         */
-        if (!request_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120,
-                                "amifb [Denise/Lisa]"))
-                return -EBUSY;
        custom.dmacon = DMAF_ALL | DMAF_MASTER;
        switch (amiga_chipset) {
@@ -2377,6 +2368,7 @@ default_chipset:
        fb_info.fbops = &amifb_ops;
        fb_info.par = &currentpar;
        fb_info.flags = FBINFO_DEFAULT;
+        fb_info.device = &pdev->dev;
        if (!fb_find_mode(&fb_info.var, &fb_info, mode_option, ami_modedb,
                          NUM_TOTAL_MODES, &ami_modedb[defmode], 4)) {
@@ -2451,18 +2443,18 @@ default_chipset:
        return 0;
 amifb_error:
-        amifb_deinit();
+        amifb_deinit(pdev);
        return err;
 }
-static void amifb_deinit(void)
+static void amifb_deinit(struct platform_device *pdev)
 {
        if (fb_info.cmap.len)
                fb_dealloc_cmap(&fb_info.cmap);
+        fb_dealloc_cmap(&fb_info.cmap);
        chipfree();
        if (videomemory)
                iounmap((void*)videomemory);
-        release_mem_region(CUSTOM_PHYSADDR+0xe0, 0x120);
        custom.dmacon = DMAF_ALL | DMAF_MASTER;
 }
@@ -3794,14 +3786,35 @@ static void ami_rebuild_copper(void)
        }
 }
-static void __exit amifb_exit(void)
+static int __exit amifb_remove(struct platform_device *pdev)
 {
        unregister_framebuffer(&fb_info);
-        amifb_deinit();
+        amifb_deinit(pdev);
        amifb_video_off();
+        return 0;
+}
+static struct platform_driver amifb_driver = {
+        .remove = __exit_p(amifb_remove),
+        .driver   = {
+                .name   = "amiga-video",
+                .owner  = THIS_MODULE,
+        },
+};
+static int __init amifb_init(void)
+{
+        return platform_driver_probe(&amifb_driver, amifb_probe);
 }
 module_init(amifb_init);
+static void __exit amifb_exit(void)
+{
+        platform_driver_unregister(&amifb_driver);
+}
 module_exit(amifb_exit);
 MODULE_LICENSE("GPL");
+MODULE_ALIAS("platform:amiga-video");
diff --git a/drivers/video/bfin-t350mcqb-fb.c b/drivers/video/bfin-t350mcqb-fb.c
index 44e49c28b2a7..c2ec3dcd4e91 100644
--- a/drivers/video/bfin-t350mcqb-fb.c
+++ b/drivers/video/bfin-t350mcqb-fb.c
@@ -488,9 +488,9 @@ static int __devinit bfin_t350mcqb_probe(struct platform_device *pdev)
        fbinfo->fbops = &bfin_t350mcqb_fb_ops;
        fbinfo->flags = FBINFO_FLAG_DEFAULT;
-        info->fb_buffer =
+        info->fb_buffer = dma_alloc_coherent(NULL, fbinfo->fix.smem_len +
-            dma_alloc_coherent(NULL, fbinfo->fix.smem_len, &info->dma_handle,
+                                ACTIVE_VIDEO_MEM_OFFSET,
-                               GFP_KERNEL);
+                                &info->dma_handle, GFP_KERNEL);
        if (NULL == info->fb_buffer) {
                printk(KERN_ERR DRIVER_NAME
@@ -568,8 +568,8 @@ out7:
 out6:
        fb_dealloc_cmap(&fbinfo->cmap);
 out4:
-        dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
+        dma_free_coherent(NULL, fbinfo->fix.smem_len + ACTIVE_VIDEO_MEM_OFFSET,
-                          info->dma_handle);
+                         info->fb_buffer, info->dma_handle);
 out3:
        framebuffer_release(fbinfo);
 out2:
@@ -592,8 +592,9 @@ static int __devexit bfin_t350mcqb_remove(struct platform_device *pdev)
        free_irq(info->irq, info);
        if (info->fb_buffer != NULL)
-                dma_free_coherent(NULL, fbinfo->fix.smem_len, info->fb_buffer,
+                dma_free_coherent(NULL, fbinfo->fix.smem_len +
-                                  info->dma_handle);
+                        ACTIVE_VIDEO_MEM_OFFSET, info->fb_buffer,
+                        info->dma_handle);
        fb_dealloc_cmap(&fbinfo->cmap);
diff --git a/drivers/video/cirrusfb.c b/drivers/video/cirrusfb.c
index 8d8dfda2f868..6df7c54db0a3 100644
--- a/drivers/video/cirrusfb.c
+++ b/drivers/video/cirrusfb.c
@@ -299,6 +299,7 @@ static const struct zorro_device_id cirrusfb_zorro_table[] = {
        },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, cirrusfb_zorro_table);
 static const struct {
        zorro_id id2;
diff --git a/drivers/video/fm2fb.c b/drivers/video/fm2fb.c
index 6c91c61cdb63..1b0feb8e7244 100644
--- a/drivers/video/fm2fb.c
+++ b/drivers/video/fm2fb.c
@@ -219,6 +219,7 @@ static struct zorro_device_id fm2fb_devices[] __devinitdata = {
        { ZORRO_PROD_HELFRICH_RAINBOW_II },
        { 0 }
 };
+MODULE_DEVICE_TABLE(zorro, fm2fb_devices);
 static struct zorro_driver fm2fb_driver = {
        .name           = "fm2fb",
diff --git a/drivers/video/sh_mobile_lcdcfb.c b/drivers/video/sh_mobile_lcdcfb.c
index e14bd0749129..e8c769944812 100644
--- a/drivers/video/sh_mobile_lcdcfb.c
+++ b/drivers/video/sh_mobile_lcdcfb.c
@@ -695,6 +695,7 @@ static int sh_mobile_lcdc_setup_clocks(struct platform_device *pdev,
         * 1) Enable Runtime PM
         * 2) Force Runtime PM Resume since hardware is accessed from probe()
         */
+        priv->dev = &pdev->dev;
        pm_runtime_enable(priv->dev);
        pm_runtime_resume(priv->dev);
        return 0;
@@ -957,25 +958,24 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
        if (!pdev->dev.platform_data) {
                dev_err(&pdev->dev, "no platform data defined\n");
-                error = -EINVAL;
+                return -EINVAL;
-                goto err0;
        }
        res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
        i = platform_get_irq(pdev, 0);
        if (!res || i < 0) {
                dev_err(&pdev->dev, "cannot get platform resources\n");
-                error = -ENOENT;
+                return -ENOENT;
-                goto err0;
        }
        priv = kzalloc(sizeof(*priv), GFP_KERNEL);
        if (!priv) {
                dev_err(&pdev->dev, "cannot allocate device data\n");
-                error = -ENOMEM;
+                return -ENOMEM;
-                goto err0;
        }
+        platform_set_drvdata(pdev, priv);
        error = request_irq(i, sh_mobile_lcdc_irq, IRQF_DISABLED,
                            dev_name(&pdev->dev), priv);
        if (error) {
@@ -984,8 +984,6 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
        }
        priv->irq = i;
-        priv->dev = &pdev->dev;
-        platform_set_drvdata(pdev, priv);
        pdata = pdev->dev.platform_data;
        j = 0;
@@ -1099,9 +1097,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
                info = ch->info;
                if (info->fbdefio) {
-                        priv->ch->sglist = vmalloc(sizeof(struct scatterlist) *
+                        ch->sglist = vmalloc(sizeof(struct scatterlist) *
                                        info->fix.smem_len >> PAGE_SHIFT);
-                        if (!priv->ch->sglist) {
+                        if (!ch->sglist) {
                                dev_err(&pdev->dev, "cannot allocate sglist\n");
                                goto err1;
                        }
@@ -1126,9 +1124,9 @@ static int __devinit sh_mobile_lcdc_probe(struct platform_device *pdev)
        }
        return 0;
- err1:
+err1:
        sh_mobile_lcdc_remove(pdev);
- err0:
        return error;
 }
@@ -1139,7 +1137,7 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
        int i;
        for (i = 0; i < ARRAY_SIZE(priv->ch); i++)
-                if (priv->ch[i].info->dev)
+                if (priv->ch[i].info && priv->ch[i].info->dev)
                        unregister_framebuffer(priv->ch[i].info);
        sh_mobile_lcdc_stop(priv);
@@ -1162,7 +1160,8 @@ static int sh_mobile_lcdc_remove(struct platform_device *pdev)
        if (priv->dot_clk)
                clk_put(priv->dot_clk);
-        pm_runtime_disable(priv->dev);
+        if (priv->dev)
+                pm_runtime_disable(priv->dev);
        if (priv->base)
                iounmap(priv->base);
diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig
index 0bf5020d0d32..b87ba23442d2 100644
--- a/drivers/watchdog/Kconfig
+++ b/drivers/watchdog/Kconfig
@@ -175,7 +175,7 @@ config SA1100_WATCHDOG
 config MPCORE_WATCHDOG
        tristate "MPcore watchdog"
-        depends on ARM_MPCORE_PLATFORM && LOCAL_TIMERS
+        depends on HAVE_ARM_TWD
        help
          Watchdog timer embedded into the MPcore system.
diff --git a/drivers/watchdog/mpcore_wdt.c b/drivers/watchdog/mpcore_wdt.c
index 016c6a791cab..b8ec7aca3c8e 100644
--- a/drivers/watchdog/mpcore_wdt.c
+++ b/drivers/watchdog/mpcore_wdt.c
@@ -31,8 +31,9 @@
 #include <linux/platform_device.h>
 #include <linux/uaccess.h>
 #include <linux/slab.h>
+#include <linux/io.h>
-#include <asm/hardware/arm_twd.h>
+#include <asm/smp_twd.h>
 struct mpcore_wdt {
        unsigned long   timer_alive;
@@ -44,7 +45,7 @@ struct mpcore_wdt {
 };
 static struct platform_device *mpcore_wdt_dev;
-extern unsigned int mpcore_timer_rate;
+static DEFINE_SPINLOCK(wdt_lock);
 #define TIMER_MARGIN    60
 static int mpcore_margin = TIMER_MARGIN;
@@ -94,13 +95,15 @@ static irqreturn_t mpcore_wdt_fire(int irq, void *arg)
 */
 static void mpcore_wdt_keepalive(struct mpcore_wdt *wdt)
 {
-        unsigned int count;
+        unsigned long count;
+        spin_lock(&wdt_lock);
        /* Assume prescale is set to 256 */
-        count = (mpcore_timer_rate / 256) * mpcore_margin;
+        count =  __raw_readl(wdt->base + TWD_WDOG_COUNTER);
+        count = (0xFFFFFFFFU - count) * (HZ / 5);
+        count = (count / 256) * mpcore_margin;
        /* Reload the counter */
-        spin_lock(&wdt_lock);
        writel(count + wdt->perturb, wdt->base + TWD_WDOG_LOAD);
        wdt->perturb = wdt->perturb ? 0 : 1;
        spin_unlock(&wdt_lock);
@@ -119,7 +122,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
 {
        dev_printk(KERN_INFO, wdt->dev, "enabling watchdog.\n");
-        spin_lock(&wdt_lock);
        /* This loads the count register but does NOT start the count yet */
        mpcore_wdt_keepalive(wdt);
@@ -130,7 +132,6 @@ static void mpcore_wdt_start(struct mpcore_wdt *wdt)
                /* Enable watchdog - prescale=256, watchdog mode=1, enable=1 */
                writel(0x0000FF09, wdt->base + TWD_WDOG_CONTROL);
        }
-        spin_unlock(&wdt_lock);
 }
 static int mpcore_wdt_set_heartbeat(int t)
@@ -360,7 +361,7 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
        mpcore_wdt_miscdev.parent = &dev->dev;
        ret = misc_register(&mpcore_wdt_miscdev);
        if (ret) {
-                dev_printk(KERN_ERR, _dev,
+                dev_printk(KERN_ERR, wdt->dev,
                        "cannot register miscdev on minor=%d (err=%d)\n",
                                                        WATCHDOG_MINOR, ret);
                goto err_misc;
@@ -369,13 +370,13 @@ static int __devinit mpcore_wdt_probe(struct platform_device *dev)
        ret = request_irq(wdt->irq, mpcore_wdt_fire, IRQF_DISABLED,
                                                        "mpcore_wdt", wdt);
        if (ret) {
-                dev_printk(KERN_ERR, _dev,
+                dev_printk(KERN_ERR, wdt->dev,
                        "cannot register IRQ%d for watchdog\n", wdt->irq);
                goto err_irq;
        }
        mpcore_wdt_stop(wdt);
-        platform_set_drvdata(&dev->dev, wdt);
+        platform_set_drvdata(dev, wdt);
        mpcore_wdt_dev = dev;
        return 0;
diff --git a/drivers/zorro/proc.c b/drivers/zorro/proc.c
index d47c47fc048f..3c7046d79654 100644
--- a/drivers/zorro/proc.c
+++ b/drivers/zorro/proc.c
@@ -97,7 +97,7 @@ static void zorro_seq_stop(struct seq_file *m, void *v)
 static int zorro_seq_show(struct seq_file *m, void *v)
 {
-        u_int slot = *(loff_t *)v;
+        unsigned int slot = *(loff_t *)v;
        struct zorro_dev *z = &zorro_autocon[slot];
        seq_printf(m, "%02x\t%08x\t%08lx\t%08lx\t%02x\n", slot, z->id,
@@ -129,7 +129,7 @@ static const struct file_operations zorro_devices_proc_fops = {
 static struct proc_dir_entry *proc_bus_zorro_dir;
-static int __init zorro_proc_attach_device(u_int slot)
+static int __init zorro_proc_attach_device(unsigned int slot)
 {
        struct proc_dir_entry *entry;
        char name[4];
@@ -146,7 +146,7 @@ static int __init zorro_proc_attach_device(u_int slot)
 static int __init zorro_proc_init(void)
 {
-        u_int slot;
+        unsigned int slot;
        if (MACH_IS_AMIGA && AMIGAHW_PRESENT(ZORRO)) {
                proc_bus_zorro_dir = proc_mkdir("bus/zorro", NULL);
diff --git a/drivers/zorro/zorro-driver.c b/drivers/zorro/zorro-driver.c
index 53180a37cc9a..7ee2b6e71786 100644
--- a/drivers/zorro/zorro-driver.c
+++ b/drivers/zorro/zorro-driver.c
@@ -137,10 +137,34 @@ static int zorro_bus_match(struct device *dev, struct device_driver *drv)
        return 0;
 }
+static int zorro_uevent(struct device *dev, struct kobj_uevent_env *env)
+{
+#ifdef CONFIG_HOTPLUG
+        struct zorro_dev *z;
+        if (!dev)
+                return -ENODEV;
+        z = to_zorro_dev(dev);
+        if (!z)
+                return -ENODEV;
+        if (add_uevent_var(env, "ZORRO_ID=%08X", z->id) ||
+            add_uevent_var(env, "ZORRO_SLOT_NAME=%s", dev_name(dev)) ||
+            add_uevent_var(env, "ZORRO_SLOT_ADDR=%04X", z->slotaddr) ||
+            add_uevent_var(env, "MODALIAS=" ZORRO_DEVICE_MODALIAS_FMT, z->id))
+                return -ENOMEM;
+        return 0;
+#else /* !CONFIG_HOTPLUG */
+        return -ENODEV;
+#endif /* !CONFIG_HOTPLUG */
+}
 struct bus_type zorro_bus_type = {
        .name   = "zorro",
        .match  = zorro_bus_match,
+        .uevent = zorro_uevent,
        .probe  = zorro_device_probe,
        .remove = zorro_device_remove,
 };
diff --git a/drivers/zorro/zorro-sysfs.c b/drivers/zorro/zorro-sysfs.c
index 1d2a772ea14c..eb924e0a64ce 100644
--- a/drivers/zorro/zorro-sysfs.c
+++ b/drivers/zorro/zorro-sysfs.c
@@ -77,6 +77,16 @@ static struct bin_attribute zorro_config_attr = {
        .read = zorro_read_config,
 };
+static ssize_t modalias_show(struct device *dev, struct device_attribute *attr,
+                             char *buf)
+{
+        struct zorro_dev *z = to_zorro_dev(dev);
+        return sprintf(buf, ZORRO_DEVICE_MODALIAS_FMT "\n", z->id);
+}
+static DEVICE_ATTR(modalias, S_IRUGO, modalias_show, NULL);
 int zorro_create_sysfs_dev_files(struct zorro_dev *z)
 {
        struct device *dev = &z->dev;
@@ -89,6 +99,7 @@ int zorro_create_sysfs_dev_files(struct zorro_dev *z)
            (error = device_create_file(dev, &dev_attr_slotaddr)) ||
            (error = device_create_file(dev, &dev_attr_slotsize)) ||
            (error = device_create_file(dev, &dev_attr_resource)) ||
+            (error = device_create_file(dev, &dev_attr_modalias)) ||
            (error = sysfs_create_bin_file(&dev->kobj, &zorro_config_attr)))
                return error;
diff --git a/drivers/zorro/zorro.c b/drivers/zorro/zorro.c
index d45fb34e2d23..6455f3a244c5 100644
--- a/drivers/zorro/zorro.c
+++ b/drivers/zorro/zorro.c
@@ -15,6 +15,8 @@
 #include <linux/zorro.h>
 #include <linux/bitops.h>
 #include <linux/string.h>
+#include <linux/platform_device.h>
+#include <linux/slab.h>
 #include <asm/setup.h>
 #include <asm/amigahw.h>
@@ -26,24 +28,17 @@
     *  Zorro Expansion Devices
     */
-u_int zorro_num_autocon = 0;
+unsigned int zorro_num_autocon;
 struct zorro_dev zorro_autocon[ZORRO_NUM_AUTO];
    /*
-     *  Single Zorro bus
+     *  Zorro bus
     */
-struct zorro_bus zorro_bus = {\
+struct zorro_bus {
-    .resources = {
+        struct list_head devices;       /* list of devices on this bus */
-        /* Zorro II regions (on Zorro II/III) */
+        struct device dev;
-        { .name = "Zorro II exp", .start = 0x00e80000, .end = 0x00efffff },
-        { .name = "Zorro II mem", .start = 0x00200000, .end = 0x009fffff },
-        /* Zorro III regions (on Zorro III only) */
-        { .name = "Zorro III exp", .start = 0xff000000, .end = 0xffffffff },
-        { .name = "Zorro III cfg", .start = 0x40000000, .end = 0x7fffffff }
-    },
-    .name = "Zorro bus"
 };
@@ -53,18 +48,19 @@ struct zorro_bus zorro_bus = {\
 struct zorro_dev *zorro_find_device(zorro_id id, struct zorro_dev *from)
 {
-    struct zorro_dev *z;
+        struct zorro_dev *z;
-    if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
+        if (!zorro_num_autocon)
-        return NULL;
+                return NULL;
-    for (z = from ? from+1 : &zorro_autocon[0];
+        for (z = from ? from+1 : &zorro_autocon[0];
-         z < zorro_autocon+zorro_num_autocon;
+             z < zorro_autocon+zorro_num_autocon;
-         z++)
+             z++)
-        if (id == ZORRO_WILDCARD || id == z->id)
+                if (id == ZORRO_WILDCARD || id == z->id)
-            return z;
+                        return z;
-    return NULL;
+        return NULL;
 }
+EXPORT_SYMBOL(zorro_find_device);
    /*
@@ -83,121 +79,138 @@ struct zorro_dev *zorro_find_device(zorro_id id, struct zorro_dev *from)
     */
 DECLARE_BITMAP(zorro_unused_z2ram, 128);
+EXPORT_SYMBOL(zorro_unused_z2ram);
 static void __init mark_region(unsigned long start, unsigned long end,
                               int flag)
 {
-    if (flag)
-        start += Z2RAM_CHUNKMASK;
-    else
-        end += Z2RAM_CHUNKMASK;
-    start &= ~Z2RAM_CHUNKMASK;
-    end &= ~Z2RAM_CHUNKMASK;
-    if (end <= Z2RAM_START || start >= Z2RAM_END)
-        return;
-    start = start < Z2RAM_START ? 0x00000000 : start-Z2RAM_START;
-    end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START;
-    while (start < end) {
-        u32 chunk = start>>Z2RAM_CHUNKSHIFT;
        if (flag)
-            set_bit(chunk, zorro_unused_z2ram);
+                start += Z2RAM_CHUNKMASK;
        else
-            clear_bit(chunk, zorro_unused_z2ram);
+                end += Z2RAM_CHUNKMASK;
-        start += Z2RAM_CHUNKSIZE;
+        start &= ~Z2RAM_CHUNKMASK;
-    }
+        end &= ~Z2RAM_CHUNKMASK;
+        if (end <= Z2RAM_START || start >= Z2RAM_END)
+                return;
+        start = start < Z2RAM_START ? 0x00000000 : start-Z2RAM_START;
+        end = end > Z2RAM_END ? Z2RAM_SIZE : end-Z2RAM_START;
+        while (start < end) {
+                u32 chunk = start>>Z2RAM_CHUNKSHIFT;
+                if (flag)
+                        set_bit(chunk, zorro_unused_z2ram);
+                else
+                        clear_bit(chunk, zorro_unused_z2ram);
+                start += Z2RAM_CHUNKSIZE;
+        }
 }
-static struct resource __init *zorro_find_parent_resource(struct zorro_dev *z)
+static struct resource __init *zorro_find_parent_resource(
+        struct platform_device *bridge, struct zorro_dev *z)
 {
-    int i;
+        int i;
-    for (i = 0; i < zorro_bus.num_resources; i++)
+        for (i = 0; i < bridge->num_resources; i++) {
-        if (zorro_resource_start(z) >= zorro_bus.resources[i].start &&
+                struct resource *r = &bridge->resource[i];
-            zorro_resource_end(z) <= zorro_bus.resources[i].end)
+                if (zorro_resource_start(z) >= r->start &&
-                return &zorro_bus.resources[i];
+                    zorro_resource_end(z) <= r->end)
-    return &iomem_resource;
+                        return r;
+        }
+        return &iomem_resource;
 }
-    /*
-     *  Initialization
-     */
-static int __init zorro_init(void)
+static int __init amiga_zorro_probe(struct platform_device *pdev)
 {
-    struct zorro_dev *z;
+        struct zorro_bus *bus;
-    unsigned int i;
+        struct zorro_dev *z;
-    int error;
+        struct resource *r;
+        unsigned int i;
-    if (!MACH_IS_AMIGA || !AMIGAHW_PRESENT(ZORRO))
+        int error;
-        return 0;
+        /* Initialize the Zorro bus */
-    pr_info("Zorro: Probing AutoConfig expansion devices: %d device%s\n",
+        bus = kzalloc(sizeof(*bus), GFP_KERNEL);
-           zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
+        if (!bus)
+                return -ENOMEM;
-    /* Initialize the Zorro bus */
-    INIT_LIST_HEAD(&zorro_bus.devices);
+        INIT_LIST_HEAD(&bus->devices);
-    dev_set_name(&zorro_bus.dev, "zorro");
+        bus->dev.parent = &pdev->dev;
-    error = device_register(&zorro_bus.dev);
+        dev_set_name(&bus->dev, "zorro");
-    if (error) {
+        error = device_register(&bus->dev);
-        pr_err("Zorro: Error registering zorro_bus\n");
-        return error;
-    }
-    /* Request the resources */
-    zorro_bus.num_resources = AMIGAHW_PRESENT(ZORRO3) ? 4 : 2;
-    for (i = 0; i < zorro_bus.num_resources; i++)
-        request_resource(&iomem_resource, &zorro_bus.resources[i]);
-    /* Register all devices */
-    for (i = 0; i < zorro_num_autocon; i++) {
-        z = &zorro_autocon[i];
-        z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8);
-        if (z->id == ZORRO_PROD_GVP_EPC_BASE) {
-            /* GVP quirk */
-            unsigned long magic = zorro_resource_start(z)+0x8000;
-            z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK;
-        }
-        sprintf(z->name, "Zorro device %08x", z->id);
-        zorro_name_device(z);
-        z->resource.name = z->name;
-        if (request_resource(zorro_find_parent_resource(z), &z->resource))
-            pr_err("Zorro: Address space collision on device %s %pR\n",
-                   z->name, &z->resource);
-        dev_set_name(&z->dev, "%02x", i);
-        z->dev.parent = &zorro_bus.dev;
-        z->dev.bus = &zorro_bus_type;
-        error = device_register(&z->dev);
        if (error) {
-            pr_err("Zorro: Error registering device %s\n", z->name);
+                pr_err("Zorro: Error registering zorro_bus\n");
-            continue;
+                kfree(bus);
+                return error;
        }
-        error = zorro_create_sysfs_dev_files(z);
+        platform_set_drvdata(pdev, bus);
-        if (error)
-            dev_err(&z->dev, "Error creating sysfs files\n");
+        /* Register all devices */
-    }
+        pr_info("Zorro: Probing AutoConfig expansion devices: %u device%s\n",
+                 zorro_num_autocon, zorro_num_autocon == 1 ? "" : "s");
-    /* Mark all available Zorro II memory */
-    zorro_for_each_dev(z) {
+        for (i = 0; i < zorro_num_autocon; i++) {
-        if (z->rom.er_Type & ERTF_MEMLIST)
+                z = &zorro_autocon[i];
-            mark_region(zorro_resource_start(z), zorro_resource_end(z)+1, 1);
+                z->id = (z->rom.er_Manufacturer<<16) | (z->rom.er_Product<<8);
-    }
+                if (z->id == ZORRO_PROD_GVP_EPC_BASE) {
+                        /* GVP quirk */
-    /* Unmark all used Zorro II memory */
+                        unsigned long magic = zorro_resource_start(z)+0x8000;
-    for (i = 0; i < m68k_num_memory; i++)
+                        z->id |= *(u16 *)ZTWO_VADDR(magic) & GVP_PRODMASK;
-        if (m68k_memory[i].addr < 16*1024*1024)
+                }
-            mark_region(m68k_memory[i].addr,
+                sprintf(z->name, "Zorro device %08x", z->id);
-                        m68k_memory[i].addr+m68k_memory[i].size, 0);
+                zorro_name_device(z);
+                z->resource.name = z->name;
-    return 0;
+                r = zorro_find_parent_resource(pdev, z);
+                error = request_resource(r, &z->resource);
+                if (error)
+                        dev_err(&bus->dev,
+                                "Address space collision on device %s %pR\n",
+                                z->name, &z->resource);
+                dev_set_name(&z->dev, "%02x", i);
+                z->dev.parent = &bus->dev;
+                z->dev.bus = &zorro_bus_type;
+                error = device_register(&z->dev);
+                if (error) {
+                        dev_err(&bus->dev, "Error registering device %s\n",
+                                z->name);
+                        continue;
+                }
+                error = zorro_create_sysfs_dev_files(z);
+                if (error)
+                        dev_err(&z->dev, "Error creating sysfs files\n");
+        }
+        /* Mark all available Zorro II memory */
+        zorro_for_each_dev(z) {
+                if (z->rom.er_Type & ERTF_MEMLIST)
+                        mark_region(zorro_resource_start(z),
+                                    zorro_resource_end(z)+1, 1);
+        }
+        /* Unmark all used Zorro II memory */
+        for (i = 0; i < m68k_num_memory; i++)
+                if (m68k_memory[i].addr < 16*1024*1024)
+                        mark_region(m68k_memory[i].addr,
+                                    m68k_memory[i].addr+m68k_memory[i].size,
+                                    0);
+        return 0;
 }
-subsys_initcall(zorro_init);
+static struct platform_driver amiga_zorro_driver = {
+        .driver   = {
+                .name   = "amiga-zorro",
+                .owner  = THIS_MODULE,
+        },
+};
-EXPORT_SYMBOL(zorro_find_device);
+static int __init amiga_zorro_init(void)
-EXPORT_SYMBOL(zorro_unused_z2ram);
+{
+        return platform_driver_probe(&amiga_zorro_driver, amiga_zorro_probe);
+}
+module_init(amiga_zorro_init);
 MODULE_LICENSE("GPL");
author	Steven Rostedt <srostedt@redhat.com>	2010-05-21 11:49:57 -0400
committer	Steven Rostedt <rostedt@goodmis.org>	2010-05-21 11:49:57 -0400
commit	ff5f149b6aec8edbfa3698721667acd043009a33 (patch)
tree	d052553eb296dfee3f01b1cb2b717cb7ccf3127a /drivers
parent	f0218b3e9974f06014b61be8987159f4a20e011e (diff)
parent	580d607cd666dfabfc1c7b0fb08c8ac690c7c87f (diff)