62 files changed, 648 insertions, 446 deletions
diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index f688c214be0c..b4f5e8542829 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -283,34 +283,22 @@ config ACPI_TOSHIBA
          If you have a legacy free Toshiba laptop (such as the Libretto L1
          series), say Y.
-config ACPI_CUSTOM_DSDT
+config ACPI_CUSTOM_DSDT_FILE
-        bool "Include Custom DSDT"
+        string "Custom DSDT Table file to include"
+        default ""
        depends on !STANDALONE
-        default n 
        help
          This option supports a custom DSDT by linking it into the kernel.
          See Documentation/acpi/dsdt-override.txt
-          If unsure, say N.
-config ACPI_CUSTOM_DSDT_FILE
-        string "Custom DSDT Table file to include"
-        depends on ACPI_CUSTOM_DSDT
-        default ""
-        help
          Enter the full path name to the file which includes the AmlCode
          declaration.
-config ACPI_CUSTOM_DSDT_INITRD
+          If unsure, don't enter a file name.
-        bool "Read Custom DSDT from initramfs"
-        depends on BLK_DEV_INITRD
-        default n
-        help
-          This option supports a custom DSDT by optionally loading it from initrd.
-          See Documentation/acpi/dsdt-override.txt
-          If you are not using this feature now, but may use it later,
+config ACPI_CUSTOM_DSDT
-          it is safe to say Y here.
+        bool
+        default ACPI_CUSTOM_DSDT_FILE != ""
 config ACPI_BLACKLIST_YEAR
        int "Disable ACPI for systems before Jan 1st this year" if X86_32
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index f6215e809808..d5729d5dc190 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -293,13 +293,12 @@ static int extract_package(struct acpi_battery *battery,
                                strncpy(ptr, (u8 *)&element->integer.value,
                                        sizeof(acpi_integer));
                                ptr[sizeof(acpi_integer)] = 0;
-                        } else return -EFAULT;
+                        } else
+                                *ptr = 0; /* don't have value */
                } else {
-                        if (element->type == ACPI_TYPE_INTEGER) {
+                        int *x = (int *)((u8 *)battery + offsets[i].offset);
-                                int *x = (int *)((u8 *)battery +
+                        *x = (element->type == ACPI_TYPE_INTEGER) ?
-                                                offsets[i].offset);
+                                element->integer.value : -1;
-                                *x = element->integer.value;
-                        } else return -EFAULT;
                }
        }
        return 0;
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c
index ce3c0a2cbac4..5b6760e0f957 100644
--- a/drivers/acpi/bus.c
+++ b/drivers/acpi/bus.c
@@ -776,7 +776,7 @@ static int __init acpi_init(void)
        acpi_kobj = kobject_create_and_add("acpi", firmware_kobj);
        if (!acpi_kobj) {
-                printk(KERN_WARNING "%s: kset create error\n", __FUNCTION__);
+                printk(KERN_WARNING "%s: kset create error\n", __func__);
                acpi_kobj = NULL;
        }
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index 24a7865a57cb..6c5da83cdb68 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -449,6 +449,7 @@ static int acpi_button_add(struct acpi_device *device)
        input->phys = button->phys;
        input->id.bustype = BUS_HOST;
        input->id.product = button->type;
+        input->dev.parent = &device->dev;
        switch (button->type) {
        case ACPI_BUTTON_TYPE_POWER:
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index caf873c14bfb..e7e197e3a4ff 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -129,6 +129,7 @@ static struct acpi_ec {
        struct mutex lock;
        wait_queue_head_t wait;
        struct list_head list;
+        atomic_t irq_count;
        u8 handlers_installed;
 } *boot_ec, *first_ec;
@@ -181,6 +182,8 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
 {
        int ret = 0;
+        atomic_set(&ec->irq_count, 0);
        if (unlikely(event == ACPI_EC_EVENT_OBF_1 &&
                     test_bit(EC_FLAGS_NO_OBF1_GPE, &ec->flags)))
                force_poll = 1;
@@ -227,6 +230,7 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
                while (time_before(jiffies, delay)) {
                        if (acpi_ec_check_status(ec, event))
                                goto end;
+                        msleep(5);
                }
        }
        pr_err(PREFIX "acpi_ec_wait timeout,"
@@ -529,6 +533,13 @@ static u32 acpi_ec_gpe_handler(void *data)
        struct acpi_ec *ec = data;
        pr_debug(PREFIX "~~~> interrupt\n");
+        atomic_inc(&ec->irq_count);
+        if (atomic_read(&ec->irq_count) > 5) {
+                pr_err(PREFIX "GPE storm detected, disabling EC GPE\n");
+                acpi_disable_gpe(NULL, ec->gpe, ACPI_ISR);
+                clear_bit(EC_FLAGS_GPE_MODE, &ec->flags);
+                return ACPI_INTERRUPT_HANDLED;
+        }
        clear_bit(EC_FLAGS_WAIT_GPE, &ec->flags);
        if (test_bit(EC_FLAGS_GPE_MODE, &ec->flags))
                wake_up(&ec->wait);
@@ -943,11 +954,7 @@ int __init acpi_ec_ecdt_probe(void)
                boot_ec->command_addr = ecdt_ptr->control.address;
                boot_ec->data_addr = ecdt_ptr->data.address;
                boot_ec->gpe = ecdt_ptr->gpe;
-                if (ACPI_FAILURE(acpi_get_handle(NULL, ecdt_ptr->id,
+                boot_ec->handle = ACPI_ROOT_OBJECT;
-                                &boot_ec->handle))) {
-                        pr_info("Failed to locate handle for boot EC\n");
-                        boot_ec->handle = ACPI_ROOT_OBJECT;
-                }
        } else {
                /* This workaround is needed only on some broken machines,
                 * which require early EC, but fail to provide ECDT */
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 8edba7b678eb..a697fb6cf050 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -91,10 +91,6 @@ static DEFINE_SPINLOCK(acpi_res_lock);
 #define OSI_STRING_LENGTH_MAX 64        /* arbitrary */
 static char osi_additional_string[OSI_STRING_LENGTH_MAX];
-#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-static int acpi_no_initrd_override;
-#endif
 /*
 * "Ode to _OSI(Linux)"
 *
@@ -324,67 +320,6 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
        return AE_OK;
 }
-#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-static struct acpi_table_header *acpi_find_dsdt_initrd(void)
-{
-        struct file *firmware_file;
-        mm_segment_t oldfs;
-        unsigned long len, len2;
-        struct acpi_table_header *dsdt_buffer, *ret = NULL;
-        struct kstat stat;
-        char *ramfs_dsdt_name = "/DSDT.aml";
-        printk(KERN_INFO PREFIX "Checking initramfs for custom DSDT\n");
-        /*
-         * Never do this at home, only the user-space is allowed to open a file.
-         * The clean way would be to use the firmware loader.
-         * But this code must be run before there is any userspace available.
-         * A static/init firmware infrastructure doesn't exist yet...
-         */
-        if (vfs_stat(ramfs_dsdt_name, &stat) < 0)
-                return ret;
-        len = stat.size;
-        /* check especially against empty files */
-        if (len <= 4) {
-                printk(KERN_ERR PREFIX "Failed: DSDT only %lu bytes.\n", len);
-                return ret;
-        }
-        firmware_file = filp_open(ramfs_dsdt_name, O_RDONLY, 0);
-        if (IS_ERR(firmware_file)) {
-                printk(KERN_ERR PREFIX "Failed to open %s.\n", ramfs_dsdt_name);
-                return ret;
-        }
-        dsdt_buffer = kmalloc(len, GFP_ATOMIC);
-        if (!dsdt_buffer) {
-                printk(KERN_ERR PREFIX "Failed to allocate %lu bytes.\n", len);
-                goto err;
-        }
-        oldfs = get_fs();
-        set_fs(KERNEL_DS);
-        len2 = vfs_read(firmware_file, (char __user *)dsdt_buffer, len,
-                &firmware_file->f_pos);
-        set_fs(oldfs);
-        if (len2 < len) {
-                printk(KERN_ERR PREFIX "Failed to read %lu bytes from %s.\n",
-                        len, ramfs_dsdt_name);
-                ACPI_FREE(dsdt_buffer);
-                goto err;
-        }
-        printk(KERN_INFO PREFIX "Found %lu byte DSDT in %s.\n",
-                        len, ramfs_dsdt_name);
-        ret = dsdt_buffer;
-err:
-        filp_close(firmware_file, NULL);
-        return ret;
-}
-#endif
 acpi_status
 acpi_os_table_override(struct acpi_table_header * existing_table,
                       struct acpi_table_header ** new_table)
@@ -398,16 +333,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
        if (strncmp(existing_table->signature, "DSDT", 4) == 0)
                *new_table = (struct acpi_table_header *)AmlCode;
 #endif
-#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-        if ((strncmp(existing_table->signature, "DSDT", 4) == 0) &&
-            !acpi_no_initrd_override) {
-                struct acpi_table_header *initrd_table;
-                initrd_table = acpi_find_dsdt_initrd();
-                if (initrd_table)
-                        *new_table = initrd_table;
-        }
-#endif
        if (*new_table != NULL) {
                printk(KERN_WARNING PREFIX "Override [%4.4s-%8.8s], "
                           "this is unsafe: tainting kernel\n",
@@ -418,15 +343,6 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
        return AE_OK;
 }
-#ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-static int __init acpi_no_initrd_override_setup(char *s)
-{
-        acpi_no_initrd_override = 1;
-        return 1;
-}
-__setup("acpi_no_initrd_override", acpi_no_initrd_override_setup);
-#endif
 static irqreturn_t acpi_irq(int irq, void *dev_id)
 {
        u32 handled;
@@ -1237,7 +1153,7 @@ int acpi_check_resource_conflict(struct resource *res)
        if (clash) {
                if (acpi_enforce_resources != ENFORCE_RESOURCES_NO) {
-                        printk(KERN_INFO "%sACPI: %s resource %s [0x%llx-0x%llx]"
+                        printk("%sACPI: %s resource %s [0x%llx-0x%llx]"
                               " conflicts with ACPI region %s"
                               " [0x%llx-0x%llx]\n",
                               acpi_enforce_resources == ENFORCE_RESOURCES_LAX
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index 7f19859580c7..7af414a3c63e 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -25,6 +25,7 @@
 */
+#include <linux/dmi.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/init.h>
@@ -76,6 +77,101 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(int segment,
        return NULL;
 }
+/* http://bugzilla.kernel.org/show_bug.cgi?id=4773 */
+static struct dmi_system_id medion_md9580[] = {
+        {
+                .ident = "Medion MD9580-F laptop",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "MEDIONNB"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "A555"),
+                },
+        },
+        { }
+};
+/* http://bugzilla.kernel.org/show_bug.cgi?id=5044 */
+static struct dmi_system_id dell_optiplex[] = {
+        {
+                .ident = "Dell Optiplex GX1",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Dell Computer Corporation"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX1 600S+"),
+                },
+        },
+        { }
+};
+/* http://bugzilla.kernel.org/show_bug.cgi?id=10138 */
+static struct dmi_system_id hp_t5710[] = {
+        {
+                .ident = "HP t5710",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "hp t5000 series"),
+                        DMI_MATCH(DMI_BOARD_NAME, "098Ch"),
+                },
+        },
+        { }
+};
+struct prt_quirk {
+        struct dmi_system_id    *system;
+        unsigned int            segment;
+        unsigned int            bus;
+        unsigned int            device;
+        unsigned char           pin;
+        char                    *source;        /* according to BIOS */
+        char                    *actual_source;
+};
+/*
+ * These systems have incorrect _PRT entries.  The BIOS claims the PCI
+ * interrupt at the listed segment/bus/device/pin is connected to the first
+ * link device, but it is actually connected to the second.
+ */
+static struct prt_quirk prt_quirks[] = {
+        { medion_md9580, 0, 0, 9, 'A',
+                "\\_SB_.PCI0.ISA.LNKA",
+                "\\_SB_.PCI0.ISA.LNKB"},
+        { dell_optiplex, 0, 0, 0xd, 'A',
+                "\\_SB_.LNKB",
+                "\\_SB_.LNKA"},
+        { hp_t5710, 0, 0, 1, 'A',
+                "\\_SB_.PCI0.LNK1",
+                "\\_SB_.PCI0.LNK3"},
+};
+static void
+do_prt_fixups(struct acpi_prt_entry *entry, struct acpi_pci_routing_table *prt)
+{
+        int i;
+        struct prt_quirk *quirk;
+        for (i = 0; i < ARRAY_SIZE(prt_quirks); i++) {
+                quirk = &prt_quirks[i];
+                /* All current quirks involve link devices, not GSIs */
+                if (!prt->source)
+                        continue;
+                if (dmi_check_system(quirk->system) &&
+                    entry->id.segment == quirk->segment &&
+                    entry->id.bus == quirk->bus &&
+                    entry->id.device == quirk->device &&
+                    entry->pin + 'A' == quirk->pin &&
+                    !strcmp(prt->source, quirk->source) &&
+                    strlen(prt->source) >= strlen(quirk->actual_source)) {
+                        printk(KERN_WARNING PREFIX "firmware reports "
+                                "%04x:%02x:%02x[%c] connected to %s; "
+                                "changing to %s\n",
+                                entry->id.segment, entry->id.bus,
+                                entry->id.device, 'A' + entry->pin,
+                                prt->source, quirk->actual_source);
+                        strcpy(prt->source, quirk->actual_source);
+                }
+        }
+}
 static int
 acpi_pci_irq_add_entry(acpi_handle handle,
                       int segment, int bus, struct acpi_pci_routing_table *prt)
@@ -96,6 +192,8 @@ acpi_pci_irq_add_entry(acpi_handle handle,
        entry->id.function = prt->address & 0xFFFF;
        entry->pin = prt->pin;
+        do_prt_fixups(entry, prt);
        /*
         * Type 1: Dynamic
         * ---------------
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index f14ff1ffab29..c3fed31166b5 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -184,7 +184,7 @@ static void acpi_pci_bridge_scan(struct acpi_device *device)
                }
 }
-static int acpi_pci_root_add(struct acpi_device *device)
+static int __devinit acpi_pci_root_add(struct acpi_device *device)
 {
        int result = 0;
        struct acpi_pci_root *root = NULL;
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index a3cc8a98255c..36a68fa114e3 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -840,17 +840,19 @@ static int is_processor_present(acpi_handle handle)
        status = acpi_evaluate_integer(handle, "_STA", NULL, &sta);
-        /*
-         * if a processor object does not have an _STA object,
-         * OSPM assumes that the processor is present.
-         */
-        if (status == AE_NOT_FOUND)
-                return 1;
        if (ACPI_SUCCESS(status) && (sta & ACPI_STA_DEVICE_PRESENT))
                return 1;
-        ACPI_EXCEPTION((AE_INFO, status, "Processor Device is not present"));
+        /*
+         * _STA is mandatory for a processor that supports hot plug
+         */
+        if (status == AE_NOT_FOUND)
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+                                "Processor does not support hot plug\n"));
+        else
+                ACPI_EXCEPTION((AE_INFO, status,
+                                "Processor Device is not present"));
        return 0;
 }
@@ -886,8 +888,8 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
        return 0;
 }
-static void
+static void __ref acpi_processor_hotplug_notify(acpi_handle handle,
-acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
+                                                u32 event, void *data)
 {
        struct acpi_processor *pr;
        struct acpi_device *device = NULL;
@@ -897,9 +899,10 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
        switch (event) {
        case ACPI_NOTIFY_BUS_CHECK:
        case ACPI_NOTIFY_DEVICE_CHECK:
-                printk("Processor driver received %s event\n",
+                ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+                "Processor driver received %s event\n",
                       (event == ACPI_NOTIFY_BUS_CHECK) ?
-                       "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK");
+                       "ACPI_NOTIFY_BUS_CHECK" : "ACPI_NOTIFY_DEVICE_CHECK"));
                if (!is_processor_present(handle))
                        break;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 6f3b217699e9..e8e2d8869236 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -216,8 +216,10 @@ static void acpi_safe_halt(void)
         * test NEED_RESCHED:
         */
        smp_mb();
-        if (!need_resched())
+        if (!need_resched()) {
                safe_halt();
+                local_irq_disable();
+        }
        current_thread_info()->status |= TS_POLLING;
 }
@@ -421,7 +423,9 @@ static void acpi_processor_idle(void)
                else
                        acpi_safe_halt();
-                local_irq_enable();
+                if (irqs_disabled())
+                        local_irq_enable();
                return;
        }
@@ -530,7 +534,9 @@ static void acpi_processor_idle(void)
                 *       skew otherwise.
                 */
                sleep_ticks = 0xFFFFFFFF;
-                local_irq_enable();
+                if (irqs_disabled())
+                        local_irq_enable();
                break;
        case ACPI_STATE_C2:
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 3fac011f9cf9..57570ac47803 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -609,7 +609,8 @@ acpi_bus_get_ejd(acpi_handle handle, acpi_handle *ejd)
        status = acpi_evaluate_object(handle, "_EJD", NULL, &buffer);
        if (ACPI_SUCCESS(status)) {
                obj = buffer.pointer;
-                status = acpi_get_handle(NULL, obj->string.pointer, ejd);
+                status = acpi_get_handle(ACPI_ROOT_OBJECT, obj->string.pointer,
+                                         ejd);
                kfree(buffer.pointer);
        }
        return status;
@@ -966,7 +967,7 @@ static void acpi_device_set_id(struct acpi_device *device,
        case ACPI_BUS_TYPE_DEVICE:
                status = acpi_get_object_info(handle, &buffer);
                if (ACPI_FAILURE(status)) {
-                        printk(KERN_ERR PREFIX "%s: Error reading device info\n", __FUNCTION__);
+                        printk(KERN_ERR PREFIX "%s: Error reading device info\n", __func__);
                        return;
                }
diff --git a/drivers/acpi/sleep/main.c b/drivers/acpi/sleep/main.c
index 293a1cbb47c0..d2f71a54726c 100644
--- a/drivers/acpi/sleep/main.c
+++ b/drivers/acpi/sleep/main.c
@@ -504,7 +504,7 @@ static void acpi_power_off_prepare(void)
 static void acpi_power_off(void)
 {
        /* acpi_sleep_prepare(ACPI_STATE_S5) should have already been called */
-        printk("%s called\n", __FUNCTION__);
+        printk("%s called\n", __func__);
        local_irq_disable();
        acpi_enable_wakeup_device(ACPI_STATE_S5);
        acpi_enter_sleep_state(ACPI_STATE_S5);
diff --git a/drivers/acpi/system.c b/drivers/acpi/system.c
index 55cf4c05bb74..4749f379a915 100644
--- a/drivers/acpi/system.c
+++ b/drivers/acpi/system.c
@@ -319,7 +319,7 @@ void acpi_irq_stats_init(void)
                goto fail;
        for (i = 0; i < num_counters; ++i) {
-                char buffer[10];
+                char buffer[12];
                char *name;
                if (i < num_gpes)
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 8d4b79b4f933..c4e00ac8ea85 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -879,6 +879,8 @@ static void acpi_thermal_check(void *data)
 }
 /* sys I/F for generic thermal sysfs support */
+#define KELVIN_TO_MILLICELSIUS(t) (t * 100 - 273200)
 static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf)
 {
        struct acpi_thermal *tz = thermal->devdata;
@@ -886,7 +888,7 @@ static int thermal_get_temp(struct thermal_zone_device *thermal, char *buf)
        if (!tz)
                return -EINVAL;
-        return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(tz->temperature));
+        return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(tz->temperature));
 }
 static const char enabled[] = "kernel";
@@ -980,21 +982,21 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
        if (tz->trips.critical.flags.valid) {
                if (!trip)
-                        return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(
+                        return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
                                tz->trips.critical.temperature));
                trip--;
        }
        if (tz->trips.hot.flags.valid) {
                if (!trip)
-                        return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(
+                        return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
                                        tz->trips.hot.temperature));
                trip--;
        }
        if (tz->trips.passive.flags.valid) {
                if (!trip)
-                        return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(
+                        return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
                                        tz->trips.passive.temperature));
                trip--;
        }
@@ -1002,7 +1004,7 @@ static int thermal_get_trip_temp(struct thermal_zone_device *thermal,
        for (i = 0; i < ACPI_THERMAL_MAX_ACTIVE &&
                tz->trips.active[i].flags.valid; i++) {
                if (!trip)
-                        return sprintf(buf, "%ld\n", KELVIN_TO_CELSIUS(
+                        return sprintf(buf, "%ld\n", KELVIN_TO_MILLICELSIUS(
                                        tz->trips.active[i].temperature));
                trip--;
        }
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index 9e8c20c6a0b7..0a43c8e0eff3 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -99,6 +99,13 @@ MODULE_LICENSE("GPL");
 #define HCI_VIDEO_OUT_CRT               0x2
 #define HCI_VIDEO_OUT_TV                0x4
+static const struct acpi_device_id toshiba_device_ids[] = {
+        {"TOS6200", 0},
+        {"TOS1900", 0},
+        {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, toshiba_device_ids);
 /* utility
 */
diff --git a/drivers/acpi/utilities/utdebug.c b/drivers/acpi/utilities/utdebug.c
index c7e128e5369b..7361204b1eef 100644
--- a/drivers/acpi/utilities/utdebug.c
+++ b/drivers/acpi/utilities/utdebug.c
@@ -109,7 +109,7 @@ void acpi_ut_track_stack_ptr(void)
 * RETURN:      Updated pointer to the function name
 *
 * DESCRIPTION: Remove the "Acpi" prefix from the function name, if present.
- *              This allows compiler macros such as __FUNCTION__ to be used
+ *              This allows compiler macros such as __func__ to be used
 *              with no change to the debug output.
 *
 ******************************************************************************/
diff --git a/drivers/acpi/utilities/utobject.c b/drivers/acpi/utilities/utobject.c
index 76ee766c84f9..e08b3fa6639f 100644
--- a/drivers/acpi/utilities/utobject.c
+++ b/drivers/acpi/utilities/utobject.c
@@ -432,7 +432,7 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
         * element -- which is legal)
         */
        if (!internal_object) {
-                *obj_length = 0;
+                *obj_length = sizeof(union acpi_object);
                return_ACPI_STATUS(AE_OK);
        }
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index eba55b7d6c95..44ea60cf21c0 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -407,6 +407,12 @@ acpi_evaluate_reference(acpi_handle handle,
                        break;
                }
+                if (!element->reference.handle) {
+                        printk(KERN_WARNING PREFIX "Invalid reference in"
+                               " package %s\n", pathname);
+                        status = AE_NULL_ENTRY;
+                        break;
+                }
                /* Get the  acpi_handle. */
                list->handles[i] = element->reference.handle;
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 12cce69b5441..12fb44f16766 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -713,7 +713,7 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
        kfree(obj);
-        if (device->cap._BCL && device->cap._BCM && device->cap._BQC && max_level > 0){
+        if (device->cap._BCL && device->cap._BCM && max_level > 0) {
                int result;
                static int count = 0;
                char *name;
@@ -807,40 +807,11 @@ static void acpi_video_bus_find_cap(struct acpi_video_bus *video)
 static int acpi_video_bus_check(struct acpi_video_bus *video)
 {
        acpi_status status = -ENOENT;
-        long device_id;
-        struct device *dev;
-        struct acpi_device *device;
        if (!video)
                return -EINVAL;
-        device = video->device;
-        status =
-            acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
-        if (!ACPI_SUCCESS(status))
-                return -ENODEV;
-        /* We need to attempt to determine whether the _ADR refers to a
-           PCI device or not. There's no terribly good way to do this,
-           so the best we can hope for is to assume that there'll never
-           be a video device in the host bridge */
-        if (device_id >= 0x10000) {
-                /* It looks like a PCI device. Does it exist? */
-                dev = acpi_get_physical_device(device->handle);
-        } else {
-                /* It doesn't look like a PCI device. Does its parent
-                   exist? */
-                acpi_handle phandle;
-                if (acpi_get_parent(device->handle, &phandle))
-                        return -ENODEV;
-                dev = acpi_get_physical_device(phandle);
-        }
-        if (!dev)
-                return -ENODEV;
-        put_device(dev);
        /* Since there is no HID, CID and so on for VGA driver, we have
         * to check well known required nodes.
         */
@@ -1201,7 +1172,7 @@ static int acpi_video_bus_ROM_seq_show(struct seq_file *seq, void *offset)
        if (!video)
                goto end;
-        printk(KERN_INFO PREFIX "Please implement %s\n", __FUNCTION__);
+        printk(KERN_INFO PREFIX "Please implement %s\n", __func__);
        seq_printf(seq, "<TODO>\n");
      end:
@@ -1366,37 +1337,8 @@ acpi_video_bus_write_DOS(struct file *file,
 static int acpi_video_bus_add_fs(struct acpi_device *device)
 {
-        long device_id;
-        int status;
        struct proc_dir_entry *entry = NULL;
        struct acpi_video_bus *video;
-        struct device *dev;
-        status =
-            acpi_evaluate_integer(device->handle, "_ADR", NULL, &device_id);
-        if (!ACPI_SUCCESS(status))
-                return -ENODEV;
-        /* We need to attempt to determine whether the _ADR refers to a
-           PCI device or not. There's no terribly good way to do this,
-           so the best we can hope for is to assume that there'll never
-           be a video device in the host bridge */
-        if (device_id >= 0x10000) {
-                /* It looks like a PCI device. Does it exist? */
-                dev = acpi_get_physical_device(device->handle);
-        } else {
-                /* It doesn't look like a PCI device. Does its parent
-                   exist? */
-                acpi_handle phandle;
-                if (acpi_get_parent(device->handle, &phandle))
-                        return -ENODEV;
-                dev = acpi_get_physical_device(phandle);
-        }
-        if (!dev)
-                return -ENODEV;
-        put_device(dev);
        video = acpi_driver_data(device);
diff --git a/drivers/acpi/wmi.c b/drivers/acpi/wmi.c
index efacc9f8bfe3..c33b1c6e93b1 100644
--- a/drivers/acpi/wmi.c
+++ b/drivers/acpi/wmi.c
@@ -293,7 +293,7 @@ struct acpi_buffer *out)
 {
        struct guid_block *block = NULL;
        struct wmi_block *wblock = NULL;
-        acpi_handle handle;
+        acpi_handle handle, wc_handle;
        acpi_status status, wc_status = AE_ERROR;
        struct acpi_object_list input, wc_input;
        union acpi_object wc_params[1], wq_params[1];
@@ -338,8 +338,10 @@ struct acpi_buffer *out)
                 * expensive, but have no corresponding WCxx method. So we
                 * should not fail if this happens.
                 */
-                wc_status = acpi_evaluate_object(handle, wc_method,
+                wc_status = acpi_get_handle(handle, wc_method, &wc_handle);
-                        &wc_input, NULL);
+                if (ACPI_SUCCESS(wc_status))
+                        wc_status = acpi_evaluate_object(handle, wc_method,
+                                &wc_input, NULL);
        }
        strcpy(method, "WQ");
@@ -351,7 +353,7 @@ struct acpi_buffer *out)
         * If ACPI_WMI_EXPENSIVE, call the relevant WCxx method, even if
         * the WQxx method failed - we should disable collection anyway.
         */
-        if ((block->flags & ACPI_WMI_EXPENSIVE) && wc_status) {
+        if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) {
                wc_params[0].integer.value = 0;
                status = acpi_evaluate_object(handle,
                wc_method, &wc_input, NULL);
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index e469647330de..25aba69b59b4 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -30,6 +30,7 @@ config ATA_NONSTANDARD
 config ATA_ACPI
        bool
        depends on ACPI && PCI
+        select ACPI_DOCK
        default y
        help
          This option adds support for ATA-related ACPI objects.
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 6978469eb16d..17ee6ed985d9 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -49,6 +49,10 @@
 #define DRV_NAME        "ahci"
 #define DRV_VERSION     "3.0"
+static int ahci_skip_host_reset;
+module_param_named(skip_host_reset, ahci_skip_host_reset, int, 0444);
+MODULE_PARM_DESC(skip_host_reset, "skip global host reset (0=don't skip, 1=skip)");
 static int ahci_enable_alpm(struct ata_port *ap,
                enum link_pm policy);
 static void ahci_disable_alpm(struct ata_port *ap);
@@ -587,6 +591,7 @@ static const struct pci_device_id ahci_pci_tbl[] = {
        /* Marvell */
        { PCI_VDEVICE(MARVELL, 0x6145), board_ahci_mv },        /* 6145 */
+        { PCI_VDEVICE(MARVELL, 0x6121), board_ahci_mv },        /* 6121 */
        /* Generic, PCI class code for AHCI */
        { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
@@ -661,6 +666,7 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
        void __iomem *mmio = pcim_iomap_table(pdev)[AHCI_PCI_BAR];
        u32 cap, port_map;
        int i;
+        int mv;
        /* make sure AHCI mode is enabled before accessing CAP */
        ahci_enable_ahci(mmio);
@@ -696,12 +702,16 @@ static void ahci_save_initial_config(struct pci_dev *pdev,
         * presence register, as bit 4 (counting from 0)
         */
        if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
+                if (pdev->device == 0x6121)
+                        mv = 0x3;
+                else
+                        mv = 0xf;
                dev_printk(KERN_ERR, &pdev->dev,
                           "MV_AHCI HACK: port_map %x -> %x\n",
-                           hpriv->port_map,
+                           port_map,
-                           hpriv->port_map & 0xf);
+                           port_map & mv);
-                port_map &= 0xf;
+                port_map &= mv;
        }
        /* cross check port_map and cap.n_ports */
@@ -1088,29 +1098,35 @@ static int ahci_reset_controller(struct ata_host *host)
        ahci_enable_ahci(mmio);
        /* global controller reset */
-        tmp = readl(mmio + HOST_CTL);
+        if (!ahci_skip_host_reset) {
-        if ((tmp & HOST_RESET) == 0) {
+                tmp = readl(mmio + HOST_CTL);
-                writel(tmp | HOST_RESET, mmio + HOST_CTL);
+                if ((tmp & HOST_RESET) == 0) {
-                readl(mmio + HOST_CTL); /* flush */
+                        writel(tmp | HOST_RESET, mmio + HOST_CTL);
-        }
+                        readl(mmio + HOST_CTL); /* flush */
+                }
-        /* reset must complete within 1 second, or
+                /* reset must complete within 1 second, or
-         * the hardware should be considered fried.
+                 * the hardware should be considered fried.
-         */
+                 */
-        ssleep(1);
+                ssleep(1);
-        tmp = readl(mmio + HOST_CTL);
+                tmp = readl(mmio + HOST_CTL);
-        if (tmp & HOST_RESET) {
+                if (tmp & HOST_RESET) {
-                dev_printk(KERN_ERR, host->dev,
+                        dev_printk(KERN_ERR, host->dev,
-                           "controller reset failed (0x%x)\n", tmp);
+                                   "controller reset failed (0x%x)\n", tmp);
-                return -EIO;
+                        return -EIO;
-        }
+                }
-        /* turn on AHCI mode */
+                /* turn on AHCI mode */
-        ahci_enable_ahci(mmio);
+                ahci_enable_ahci(mmio);
-        /* some registers might be cleared on reset.  restore initial values */
+                /* Some registers might be cleared on reset.  Restore
-        ahci_restore_initial_config(host);
+                 * initial values.
+                 */
+                ahci_restore_initial_config(host);
+        } else
+                dev_printk(KERN_INFO, host->dev,
+                           "skipping global host reset\n");
        if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
                u16 tmp16;
@@ -1162,9 +1178,14 @@ static void ahci_init_controller(struct ata_host *host)
        int i;
        void __iomem *port_mmio;
        u32 tmp;
+        int mv;
        if (hpriv->flags & AHCI_HFLAG_MV_PATA) {
-                port_mmio = __ahci_port_base(host, 4);
+                if (pdev->device == 0x6121)
+                        mv = 2;
+                else
+                        mv = 4;
+                port_mmio = __ahci_port_base(host, mv);
                writel(0, port_mmio + PORT_IRQ_MASK);
@@ -2241,7 +2262,10 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
        if (rc)
                return rc;
-        rc = pcim_iomap_regions(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
+        /* AHCI controllers often implement SFF compatible interface.
+         * Grab all PCI BARs just in case.
+         */
+        rc = pcim_iomap_regions_request_all(pdev, 1 << AHCI_PCI_BAR, DRV_NAME);
        if (rc == -EBUSY)
                pcim_pin_device(pdev);
        if (rc)
diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c
index 0770cb7391a4..bf98a566adac 100644
--- a/drivers/ata/libata-acpi.c
+++ b/drivers/ata/libata-acpi.c
@@ -118,45 +118,77 @@ static void ata_acpi_associate_ide_port(struct ata_port *ap)
                ap->pflags |= ATA_PFLAG_INIT_GTM_VALID;
 }
-static void ata_acpi_handle_hotplug(struct ata_port *ap, struct kobject *kobj,
+static void ata_acpi_handle_hotplug(struct ata_port *ap, struct ata_device *dev,
                                    u32 event)
 {
        char event_string[12];
        char *envp[] = { event_string, NULL };
-        struct ata_eh_info *ehi = &ap->link.eh_info;
+        struct ata_eh_info *ehi;
+        struct kobject *kobj = NULL;
-        if (event == 0 || event == 1) {
+        int wait = 0;
-               unsigned long flags;
+        unsigned long flags;
-               spin_lock_irqsave(ap->lock, flags);
-               ata_ehi_clear_desc(ehi);
+        if (!ap)
-               ata_ehi_push_desc(ehi, "ACPI event");
+                ap = dev->link->ap;
-               ata_ehi_hotplugged(ehi);
+        ehi = &ap->link.eh_info;
-               ata_port_freeze(ap);
-               spin_unlock_irqrestore(ap->lock, flags);
+        spin_lock_irqsave(ap->lock, flags);
+        switch (event) {
+        case ACPI_NOTIFY_BUS_CHECK:
+        case ACPI_NOTIFY_DEVICE_CHECK:
+                ata_ehi_push_desc(ehi, "ACPI event");
+                ata_ehi_hotplugged(ehi);
+                ata_port_freeze(ap);
+                break;
+        case ACPI_NOTIFY_EJECT_REQUEST:
+                ata_ehi_push_desc(ehi, "ACPI event");
+                if (dev)
+                        dev->flags |= ATA_DFLAG_DETACH;
+                else {
+                        struct ata_link *tlink;
+                        struct ata_device *tdev;
+                        ata_port_for_each_link(tlink, ap)
+                                ata_link_for_each_dev(tdev, tlink)
+                                        tdev->flags |= ATA_DFLAG_DETACH;
+                }
+                ata_port_schedule_eh(ap);
+                wait = 1;
+                break;
        }
+        if (dev) {
+                if (dev->sdev)
+                        kobj = &dev->sdev->sdev_gendev.kobj;
+        } else
+                kobj = &ap->dev->kobj;
        if (kobj) {
                sprintf(event_string, "BAY_EVENT=%d", event);
                kobject_uevent_env(kobj, KOBJ_CHANGE, envp);
        }
+        spin_unlock_irqrestore(ap->lock, flags);
+        if (wait)
+                ata_port_wait_eh(ap);
 }
 static void ata_acpi_dev_notify(acpi_handle handle, u32 event, void *data)
 {
        struct ata_device *dev = data;
-        struct kobject *kobj = NULL;
-        if (dev->sdev)
+        ata_acpi_handle_hotplug(NULL, dev, event);
-                kobj = &dev->sdev->sdev_gendev.kobj;
-        ata_acpi_handle_hotplug(dev->link->ap, kobj, event);
 }
 static void ata_acpi_ap_notify(acpi_handle handle, u32 event, void *data)
 {
        struct ata_port *ap = data;
-        ata_acpi_handle_hotplug(ap, &ap->dev->kobj, event);
+        ata_acpi_handle_hotplug(ap, NULL, event);
 }
 /**
@@ -191,20 +223,30 @@ void ata_acpi_associate(struct ata_host *host)
                else
                        ata_acpi_associate_ide_port(ap);
-                if (ap->acpi_handle)
+                if (ap->acpi_handle) {
-                        acpi_install_notify_handler (ap->acpi_handle,
+                        acpi_install_notify_handler(ap->acpi_handle,
-                                                     ACPI_SYSTEM_NOTIFY,
+                                                    ACPI_SYSTEM_NOTIFY,
-                                                     ata_acpi_ap_notify,
+                                                    ata_acpi_ap_notify, ap);
-                                                     ap);
+#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
+                        /* we might be on a docking station */
+                        register_hotplug_dock_device(ap->acpi_handle,
+                                                     ata_acpi_ap_notify, ap);
+#endif
+                }
                for (j = 0; j < ata_link_max_devices(&ap->link); j++) {
                        struct ata_device *dev = &ap->link.device[j];
-                        if (dev->acpi_handle)
+                        if (dev->acpi_handle) {
-                                acpi_install_notify_handler (dev->acpi_handle,
+                                acpi_install_notify_handler(dev->acpi_handle,
-                                                             ACPI_SYSTEM_NOTIFY,
+                                                ACPI_SYSTEM_NOTIFY,
-                                                             ata_acpi_dev_notify,
+                                                ata_acpi_dev_notify, dev);
-                                                             dev);
+#if defined(CONFIG_ACPI_DOCK) || defined(CONFIG_ACPI_DOCK_MODULE)
+                                /* we might be on a docking station */
+                                register_hotplug_dock_device(dev->acpi_handle,
+                                                ata_acpi_dev_notify, dev);
+#endif
+                        }
                }
        }
 }
diff --git a/drivers/ata/pata_ali.c b/drivers/ata/pata_ali.c
index 7e68edf3c0f3..8786455c901d 100644
--- a/drivers/ata/pata_ali.c
+++ b/drivers/ata/pata_ali.c
@@ -295,7 +295,7 @@ static void ali_lock_sectors(struct ata_device *adev)
 static int ali_check_atapi_dma(struct ata_queued_cmd *qc)
 {
        /* If its not a media command, its not worth it */
-        if (qc->nbytes < 2048)
+        if (atapi_cmd_type(qc->cdb[0]) == ATAPI_MISC)
                return -EOPNOTSUPP;
        return 0;
 }
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 32c79a55511b..7652e87d60c5 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -217,7 +217,6 @@ static int use_virtual_dma;
 */
 static DEFINE_SPINLOCK(floppy_lock);
-static struct completion device_release;
 static unsigned short virtual_dma_port = 0x3f0;
 irqreturn_t floppy_interrupt(int irq, void *dev_id);
@@ -4144,7 +4143,6 @@ DEVICE_ATTR(cmos,S_IRUGO,floppy_cmos_show,NULL);
 static void floppy_device_release(struct device *dev)
 {
-        complete(&device_release);
 }
 static struct platform_device floppy_device[N_DRIVE];
@@ -4539,7 +4537,6 @@ void cleanup_module(void)
 {
        int drive;
-        init_completion(&device_release);
        blk_unregister_region(MKDEV(FLOPPY_MAJOR, 0), 256);
        unregister_blkdev(FLOPPY_MAJOR, "fd");
@@ -4564,8 +4561,6 @@ void cleanup_module(void)
        /* eject disk, if any */
        fd_eject(0);
-        wait_for_completion(&device_release);
 }
 module_param(floppy, charp, 0);
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 3b1a68d6eddb..0cfbe8c594a5 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -238,6 +238,7 @@ static int virtblk_probe(struct virtio_device *vdev)
        vblk->disk->first_minor = index_to_minor(index);
        vblk->disk->private_data = vblk;
        vblk->disk->fops = &virtblk_fops;
+        vblk->disk->driverfs_dev = &vdev->dev;
        index++;
        /* If barriers are supported, tell block layer that queue is ordered */
diff --git a/drivers/char/riscom8.c b/drivers/char/riscom8.c
index 589ac6f65b9a..3f9d0a9ac36d 100644
--- a/drivers/char/riscom8.c
+++ b/drivers/char/riscom8.c
@@ -1709,7 +1709,7 @@ static int __init riscom8_init_module (void)
        if (iobase || iobase1 || iobase2 || iobase3) {
                for(i = 0; i < RC_NBOARD; i++)
-                        rc_board[0].base = 0;
+                        rc_board[i].base = 0;
        }
        if (iobase)
diff --git a/drivers/dma/dmaengine.c b/drivers/dma/dmaengine.c
index 29965231b912..8db0e7f9d3f4 100644
--- a/drivers/dma/dmaengine.c
+++ b/drivers/dma/dmaengine.c
@@ -357,7 +357,7 @@ int dma_async_device_register(struct dma_device *device)
                !device->device_prep_dma_zero_sum);
        BUG_ON(dma_has_cap(DMA_MEMSET, device->cap_mask) &&
                !device->device_prep_dma_memset);
-        BUG_ON(dma_has_cap(DMA_ZERO_SUM, device->cap_mask) &&
+        BUG_ON(dma_has_cap(DMA_INTERRUPT, device->cap_mask) &&
                !device->device_prep_dma_interrupt);
        BUG_ON(!device->device_alloc_chan_resources);
diff --git a/drivers/dma/fsldma.c b/drivers/dma/fsldma.c
index cc9a68158d99..ad2f938597e2 100644
--- a/drivers/dma/fsldma.c
+++ b/drivers/dma/fsldma.c
@@ -57,12 +57,12 @@ static void dma_init(struct fsl_dma_chan *fsl_chan)
 }
-static void set_sr(struct fsl_dma_chan *fsl_chan, dma_addr_t val)
+static void set_sr(struct fsl_dma_chan *fsl_chan, u32 val)
 {
        DMA_OUT(fsl_chan, &fsl_chan->reg_base->sr, val, 32);
 }
-static dma_addr_t get_sr(struct fsl_dma_chan *fsl_chan)
+static u32 get_sr(struct fsl_dma_chan *fsl_chan)
 {
        return DMA_IN(fsl_chan, &fsl_chan->reg_base->sr, 32);
 }
@@ -406,6 +406,32 @@ static void fsl_dma_free_chan_resources(struct dma_chan *chan)
        dma_pool_destroy(fsl_chan->desc_pool);
 }
+static struct dma_async_tx_descriptor *
+fsl_dma_prep_interrupt(struct dma_chan *chan)
+{
+        struct fsl_dma_chan *fsl_chan;
+        struct fsl_desc_sw *new;
+        if (!chan)
+                return NULL;
+        fsl_chan = to_fsl_chan(chan);
+        new = fsl_dma_alloc_descriptor(fsl_chan);
+        if (!new) {
+                dev_err(fsl_chan->dev, "No free memory for link descriptor\n");
+                return NULL;
+        }
+        new->async_tx.cookie = -EBUSY;
+        new->async_tx.ack = 0;
+        /* Set End-of-link to the last link descriptor of new list*/
+        set_ld_eol(fsl_chan, new);
+        return &new->async_tx;
+}
 static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
        struct dma_chan *chan, dma_addr_t dma_dest, dma_addr_t dma_src,
        size_t len, unsigned long flags)
@@ -436,7 +462,7 @@ static struct dma_async_tx_descriptor *fsl_dma_prep_memcpy(
                dev_dbg(fsl_chan->dev, "new link desc alloc %p\n", new);
 #endif
-                copy = min(len, FSL_DMA_BCR_MAX_CNT);
+                copy = min(len, (size_t)FSL_DMA_BCR_MAX_CNT);
                set_desc_cnt(fsl_chan, &new->hw, copy);
                set_desc_src(fsl_chan, &new->hw, dma_src);
@@ -513,7 +539,6 @@ static void fsl_chan_ld_cleanup(struct fsl_dma_chan *fsl_chan)
        spin_lock_irqsave(&fsl_chan->desc_lock, flags);
-        fsl_dma_update_completed_cookie(fsl_chan);
        dev_dbg(fsl_chan->dev, "chan completed_cookie = %d\n",
                        fsl_chan->completed_cookie);
        list_for_each_entry_safe(desc, _desc, &fsl_chan->ld_queue, node) {
@@ -581,8 +606,8 @@ static void fsl_chan_xfer_ld_queue(struct fsl_dma_chan *fsl_chan)
        if (ld_node != &fsl_chan->ld_queue) {
                /* Get the ld start address from ld_queue */
                next_dest_addr = to_fsl_desc(ld_node)->async_tx.phys;
-                dev_dbg(fsl_chan->dev, "xfer LDs staring from 0x%016llx\n",
+                dev_dbg(fsl_chan->dev, "xfer LDs staring from %p\n",
-                                (u64)next_dest_addr);
+                                (void *)next_dest_addr);
                set_cdar(fsl_chan, next_dest_addr);
                dma_start(fsl_chan);
        } else {
@@ -662,7 +687,7 @@ static enum dma_status fsl_dma_is_complete(struct dma_chan *chan,
 static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
 {
        struct fsl_dma_chan *fsl_chan = (struct fsl_dma_chan *)data;
-        dma_addr_t stat;
+        u32 stat;
        stat = get_sr(fsl_chan);
        dev_dbg(fsl_chan->dev, "event: channel %d, stat = 0x%x\n",
@@ -681,10 +706,10 @@ static irqreturn_t fsl_dma_chan_do_interrupt(int irq, void *data)
         */
        if (stat & FSL_DMA_SR_EOSI) {
                dev_dbg(fsl_chan->dev, "event: End-of-segments INT\n");
-                dev_dbg(fsl_chan->dev, "event: clndar 0x%016llx, "
+                dev_dbg(fsl_chan->dev, "event: clndar %p, nlndar %p\n",
-                                "nlndar 0x%016llx\n", (u64)get_cdar(fsl_chan),
+                        (void *)get_cdar(fsl_chan), (void *)get_ndar(fsl_chan));
-                                (u64)get_ndar(fsl_chan));
                stat &= ~FSL_DMA_SR_EOSI;
+                fsl_dma_update_completed_cookie(fsl_chan);
        }
        /* If it current transfer is the end-of-transfer,
@@ -726,12 +751,15 @@ static void dma_do_tasklet(unsigned long data)
        fsl_chan_ld_cleanup(fsl_chan);
 }
+#ifdef FSL_DMA_CALLBACKTEST
 static void fsl_dma_callback_test(struct fsl_dma_chan *fsl_chan)
 {
        if (fsl_chan)
                dev_info(fsl_chan->dev, "selftest: callback is ok!\n");
 }
+#endif
+#ifdef CONFIG_FSL_DMA_SELFTEST
 static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
 {
        struct dma_chan *chan;
@@ -837,9 +865,9 @@ static int fsl_dma_self_test(struct fsl_dma_chan *fsl_chan)
        if (err) {
                for (i = 0; (*(src + i) == *(dest + i)) && (i < test_size);
                                i++);
-                dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%d is "
+                dev_err(fsl_chan->dev, "selftest: Test failed, data %d/%ld is "
                                "error! src 0x%x, dest 0x%x\n",
-                                i, test_size, *(src + i), *(dest + i));
+                                i, (long)test_size, *(src + i), *(dest + i));
        }
 free_resources:
@@ -848,6 +876,7 @@ out:
        kfree(src);
        return err;
 }
+#endif
 static int __devinit of_fsl_dma_chan_probe(struct of_device *dev,
                        const struct of_device_id *match)
@@ -1008,8 +1037,8 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
        }
        dev_info(&dev->dev, "Probe the Freescale DMA driver for %s "
-                        "controller at 0x%08x...\n",
+                        "controller at %p...\n",
-                        match->compatible, fdev->reg.start);
+                        match->compatible, (void *)fdev->reg.start);
        fdev->reg_base = ioremap(fdev->reg.start, fdev->reg.end
                                                - fdev->reg.start + 1);
@@ -1017,6 +1046,7 @@ static int __devinit of_fsl_dma_probe(struct of_device *dev,
        dma_cap_set(DMA_INTERRUPT, fdev->common.cap_mask);
        fdev->common.device_alloc_chan_resources = fsl_dma_alloc_chan_resources;
        fdev->common.device_free_chan_resources = fsl_dma_free_chan_resources;
+        fdev->common.device_prep_dma_interrupt = fsl_dma_prep_interrupt;
        fdev->common.device_prep_dma_memcpy = fsl_dma_prep_memcpy;
        fdev->common.device_is_tx_complete = fsl_dma_is_complete;
        fdev->common.device_issue_pending = fsl_dma_memcpy_issue_pending;
diff --git a/drivers/dma/iop-adma.c b/drivers/dma/iop-adma.c
index 3986d54492bd..f82b0906d466 100644
--- a/drivers/dma/iop-adma.c
+++ b/drivers/dma/iop-adma.c
@@ -140,7 +140,7 @@ static void __iop_adma_slot_cleanup(struct iop_adma_chan *iop_chan)
        int busy = iop_chan_is_busy(iop_chan);
        int seen_current = 0, slot_cnt = 0, slots_per_op = 0;
-        dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(iop_chan->device->common.dev, "%s\n", __func__);
        /* free completed slots from the chain starting with
         * the oldest descriptor
         */
@@ -438,7 +438,7 @@ iop_adma_tx_submit(struct dma_async_tx_descriptor *tx)
        spin_unlock_bh(&iop_chan->lock);
        dev_dbg(iop_chan->device->common.dev, "%s cookie: %d slot: %d\n",
-                __FUNCTION__, sw_desc->async_tx.cookie, sw_desc->idx);
+                __func__, sw_desc->async_tx.cookie, sw_desc->idx);
        return cookie;
 }
@@ -520,7 +520,7 @@ iop_adma_prep_dma_interrupt(struct dma_chan *chan)
        struct iop_adma_desc_slot *sw_desc, *grp_start;
        int slot_cnt, slots_per_op;
-        dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(iop_chan->device->common.dev, "%s\n", __func__);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_interrupt_slot_count(&slots_per_op, iop_chan);
@@ -548,7 +548,7 @@ iop_adma_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dma_dest,
        BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT));
        dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",
-                __FUNCTION__, len);
+                __func__, len);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_memcpy_slot_count(len, &slots_per_op);
@@ -580,7 +580,7 @@ iop_adma_prep_dma_memset(struct dma_chan *chan, dma_addr_t dma_dest,
        BUG_ON(unlikely(len > IOP_ADMA_MAX_BYTE_COUNT));
        dev_dbg(iop_chan->device->common.dev, "%s len: %u\n",
-                __FUNCTION__, len);
+                __func__, len);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_memset_slot_count(len, &slots_per_op);
@@ -614,7 +614,7 @@ iop_adma_prep_dma_xor(struct dma_chan *chan, dma_addr_t dma_dest,
        dev_dbg(iop_chan->device->common.dev,
                "%s src_cnt: %d len: %u flags: %lx\n",
-                __FUNCTION__, src_cnt, len, flags);
+                __func__, src_cnt, len, flags);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_xor_slot_count(len, src_cnt, &slots_per_op);
@@ -648,7 +648,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
                return NULL;
        dev_dbg(iop_chan->device->common.dev, "%s src_cnt: %d len: %u\n",
-                __FUNCTION__, src_cnt, len);
+                __func__, src_cnt, len);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_zero_sum_slot_count(len, src_cnt, &slots_per_op);
@@ -659,7 +659,7 @@ iop_adma_prep_dma_zero_sum(struct dma_chan *chan, dma_addr_t *dma_src,
                iop_desc_set_zero_sum_byte_count(grp_start, len);
                grp_start->xor_check_result = result;
                pr_debug("\t%s: grp_start->xor_check_result: %p\n",
-                        __FUNCTION__, grp_start->xor_check_result);
+                        __func__, grp_start->xor_check_result);
                sw_desc->unmap_src_cnt = src_cnt;
                sw_desc->unmap_len = len;
                while (src_cnt--)
@@ -700,7 +700,7 @@ static void iop_adma_free_chan_resources(struct dma_chan *chan)
        iop_chan->last_used = NULL;
        dev_dbg(iop_chan->device->common.dev, "%s slots_allocated %d\n",
-                __FUNCTION__, iop_chan->slots_allocated);
+                __func__, iop_chan->slots_allocated);
        spin_unlock_bh(&iop_chan->lock);
        /* one is ok since we left it on there on purpose */
@@ -753,7 +753,7 @@ static irqreturn_t iop_adma_eot_handler(int irq, void *data)
 {
        struct iop_adma_chan *chan = data;
-        dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(chan->device->common.dev, "%s\n", __func__);
        tasklet_schedule(&chan->irq_tasklet);
@@ -766,7 +766,7 @@ static irqreturn_t iop_adma_eoc_handler(int irq, void *data)
 {
        struct iop_adma_chan *chan = data;
-        dev_dbg(chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(chan->device->common.dev, "%s\n", __func__);
        tasklet_schedule(&chan->irq_tasklet);
@@ -823,7 +823,7 @@ static int __devinit iop_adma_memcpy_self_test(struct iop_adma_device *device)
        int err = 0;
        struct iop_adma_chan *iop_chan;
-        dev_dbg(device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(device->common.dev, "%s\n", __func__);
        src = kzalloc(sizeof(u8) * IOP_ADMA_TEST_SIZE, GFP_KERNEL);
        if (!src)
@@ -906,7 +906,7 @@ iop_adma_xor_zero_sum_self_test(struct iop_adma_device *device)
        int err = 0;
        struct iop_adma_chan *iop_chan;
-        dev_dbg(device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(device->common.dev, "%s\n", __func__);
        for (src_idx = 0; src_idx < IOP_ADMA_NUM_SRC_TEST; src_idx++) {
                xor_srcs[src_idx] = alloc_page(GFP_KERNEL);
@@ -1159,7 +1159,7 @@ static int __devinit iop_adma_probe(struct platform_device *pdev)
        }
        dev_dbg(&pdev->dev, "%s: allocted descriptor pool virt %p phys %p\n",
-                __FUNCTION__, adev->dma_desc_pool_virt,
+                __func__, adev->dma_desc_pool_virt,
                (void *) adev->dma_desc_pool);
        adev->id = plat_data->hw_id;
@@ -1289,7 +1289,7 @@ static void iop_chan_start_null_memcpy(struct iop_adma_chan *iop_chan)
        dma_cookie_t cookie;
        int slot_cnt, slots_per_op;
-        dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(iop_chan->device->common.dev, "%s\n", __func__);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_memcpy_slot_count(0, &slots_per_op);
@@ -1346,7 +1346,7 @@ static void iop_chan_start_null_xor(struct iop_adma_chan *iop_chan)
        dma_cookie_t cookie;
        int slot_cnt, slots_per_op;
-        dev_dbg(iop_chan->device->common.dev, "%s\n", __FUNCTION__);
+        dev_dbg(iop_chan->device->common.dev, "%s\n", __func__);
        spin_lock_bh(&iop_chan->lock);
        slot_cnt = iop_chan_xor_slot_count(0, 2, &slots_per_op);
diff --git a/drivers/firewire/Kconfig b/drivers/firewire/Kconfig
index fe9e768cfbc4..25bdc2dd9ce1 100644
--- a/drivers/firewire/Kconfig
+++ b/drivers/firewire/Kconfig
@@ -1,5 +1,3 @@
-# -*- shell-script -*-
 comment "An alternative FireWire stack is available with EXPERIMENTAL=y"
        depends on EXPERIMENTAL=n
@@ -21,27 +19,7 @@ config FIREWIRE
          NOTE:
          You should only build ONE of the stacks, unless you REALLY know what
-          you are doing.  If you install both, you should configure them only as
+          you are doing.
-          modules rather than link them statically, and you should blacklist one
-          of the concurrent low-level drivers in /etc/modprobe.conf.  Add either
-              blacklist firewire-ohci
-          or
-              blacklist ohci1394
-          there depending on which driver you DON'T want to have auto-loaded.
-          You can optionally do the same with the other IEEE 1394/ FireWire
-          drivers.
-          If you have an old modprobe which doesn't implement the blacklist
-          directive, use either
-               install firewire-ohci /bin/true
-          or
-               install ohci1394 /bin/true
-          and so on, depending on which modules you DON't want to have
-          auto-loaded.
 config FIREWIRE_OHCI
        tristate "Support for OHCI FireWire host controllers"
@@ -57,8 +35,24 @@ config FIREWIRE_OHCI
          NOTE:
-          If you also build ohci1394 of the classic stack, blacklist either
+          You should only build ohci1394 or firewire-ohci, but not both.
-          ohci1394 or firewire-ohci to let hotplug load only the desired driver.
+          If you nevertheless want to install both, you should configure them
+          only as modules and blacklist the driver(s) which you don't want to
+          have auto-loaded.  Add either
+              blacklist firewire-ohci
+          or
+              blacklist ohci1394
+              blacklist video1394
+              blacklist dv1394
+          to /etc/modprobe.conf or /etc/modprobe.d/* and update modprobe.conf
+          depending on your distribution.  The latter two modules should be
+          blacklisted together with ohci1394 because they depend on ohci1394.
+          If you have an old modprobe which doesn't implement the blacklist
+          directive, use "install modulename /bin/true" for the modules to be
+          blacklisted.
 config FIREWIRE_SBP2
        tristate "Support for storage devices (SBP-2 protocol driver)"
@@ -75,9 +69,3 @@ config FIREWIRE_SBP2
          You should also enable support for disks, CD-ROMs, etc. in the SCSI
          configuration section.
-          NOTE:
-          If you also build sbp2 of the classic stack, blacklist either sbp2
-          or firewire-sbp2 to let hotplug load only the desired driver.
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 7ebad3c14cb8..996d61f0d460 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -33,6 +33,10 @@
 #include <asm/page.h>
 #include <asm/system.h>
+#ifdef CONFIG_PPC_PMAC
+#include <asm/pmac_feature.h>
+#endif
 #include "fw-ohci.h"
 #include "fw-transaction.h"
@@ -175,6 +179,7 @@ struct fw_ohci {
        int generation;
        int request_generation;
        u32 bus_seconds;
+        bool old_uninorth;
        /*
         * Spinlock for accessing fw_ohci data.  Never call out of
@@ -276,19 +281,13 @@ static int ar_context_add_page(struct ar_context *ctx)
 {
        struct device *dev = ctx->ohci->card.device;
        struct ar_buffer *ab;
-        dma_addr_t ab_bus;
+        dma_addr_t uninitialized_var(ab_bus);
        size_t offset;
-        ab = (struct ar_buffer *) __get_free_page(GFP_ATOMIC);
+        ab = dma_alloc_coherent(dev, PAGE_SIZE, &ab_bus, GFP_ATOMIC);
        if (ab == NULL)
                return -ENOMEM;
-        ab_bus = dma_map_single(dev, ab, PAGE_SIZE, DMA_BIDIRECTIONAL);
-        if (dma_mapping_error(ab_bus)) {
-                free_page((unsigned long) ab);
-                return -ENOMEM;
-        }
        memset(&ab->descriptor, 0, sizeof(ab->descriptor));
        ab->descriptor.control        = cpu_to_le16(DESCRIPTOR_INPUT_MORE |
                                                    DESCRIPTOR_STATUS |
@@ -299,8 +298,6 @@ static int ar_context_add_page(struct ar_context *ctx)
        ab->descriptor.res_count      = cpu_to_le16(PAGE_SIZE - offset);
        ab->descriptor.branch_address = 0;
-        dma_sync_single_for_device(dev, ab_bus, PAGE_SIZE, DMA_BIDIRECTIONAL);
        ctx->last_buffer->descriptor.branch_address = cpu_to_le32(ab_bus | 1);
        ctx->last_buffer->next = ab;
        ctx->last_buffer = ab;
@@ -311,15 +308,22 @@ static int ar_context_add_page(struct ar_context *ctx)
        return 0;
 }
+#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
+#define cond_le32_to_cpu(v) \
+        (ohci->old_uninorth ? (__force __u32)(v) : le32_to_cpu(v))
+#else
+#define cond_le32_to_cpu(v) le32_to_cpu(v)
+#endif
 static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
 {
        struct fw_ohci *ohci = ctx->ohci;
        struct fw_packet p;
        u32 status, length, tcode;
-        p.header[0] = le32_to_cpu(buffer[0]);
+        p.header[0] = cond_le32_to_cpu(buffer[0]);
-        p.header[1] = le32_to_cpu(buffer[1]);
+        p.header[1] = cond_le32_to_cpu(buffer[1]);
-        p.header[2] = le32_to_cpu(buffer[2]);
+        p.header[2] = cond_le32_to_cpu(buffer[2]);
        tcode = (p.header[0] >> 4) & 0x0f;
        switch (tcode) {
@@ -331,7 +335,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
                break;
        case TCODE_READ_BLOCK_REQUEST :
-                p.header[3] = le32_to_cpu(buffer[3]);
+                p.header[3] = cond_le32_to_cpu(buffer[3]);
                p.header_length = 16;
                p.payload_length = 0;
                break;
@@ -340,7 +344,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
        case TCODE_READ_BLOCK_RESPONSE:
        case TCODE_LOCK_REQUEST:
        case TCODE_LOCK_RESPONSE:
-                p.header[3] = le32_to_cpu(buffer[3]);
+                p.header[3] = cond_le32_to_cpu(buffer[3]);
                p.header_length = 16;
                p.payload_length = p.header[3] >> 16;
                break;
@@ -357,7 +361,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
        /* FIXME: What to do about evt_* errors? */
        length = (p.header_length + p.payload_length + 3) / 4;
-        status = le32_to_cpu(buffer[length]);
+        status = cond_le32_to_cpu(buffer[length]);
        p.ack        = ((status >> 16) & 0x1f) - 16;
        p.speed      = (status >> 21) & 0x7;
@@ -375,7 +379,7 @@ static __le32 *handle_ar_packet(struct ar_context *ctx, __le32 *buffer)
         */
        if (p.ack + 16 == 0x09)
-                ohci->request_generation = (buffer[2] >> 16) & 0xff;
+                ohci->request_generation = (p.header[2] >> 16) & 0xff;
        else if (ctx == &ohci->ar_request_ctx)
                fw_core_handle_request(&ohci->card, &p);
        else
@@ -397,6 +401,7 @@ static void ar_context_tasklet(unsigned long data)
        if (d->res_count == 0) {
                size_t size, rest, offset;
+                dma_addr_t buffer_bus;
                /*
                 * This descriptor is finished and we may have a
@@ -405,9 +410,7 @@ static void ar_context_tasklet(unsigned long data)
                 */
                offset = offsetof(struct ar_buffer, data);
-                dma_unmap_single(ohci->card.device,
+                buffer_bus = le32_to_cpu(ab->descriptor.data_address) - offset;
-                        le32_to_cpu(ab->descriptor.data_address) - offset,
-                        PAGE_SIZE, DMA_BIDIRECTIONAL);
                buffer = ab;
                ab = ab->next;
@@ -423,7 +426,8 @@ static void ar_context_tasklet(unsigned long data)
                while (buffer < end)
                        buffer = handle_ar_packet(ctx, buffer);
-                free_page((unsigned long)buffer);
+                dma_free_coherent(ohci->card.device, PAGE_SIZE,
+                                  buffer, buffer_bus);
                ar_context_add_page(ctx);
        } else {
                buffer = ctx->pointer;
@@ -532,7 +536,7 @@ static int
 context_add_buffer(struct context *ctx)
 {
        struct descriptor_buffer *desc;
-        dma_addr_t bus_addr;
+        dma_addr_t uninitialized_var(bus_addr);
        int offset;
        /*
@@ -1022,13 +1026,14 @@ static void bus_reset_tasklet(unsigned long data)
         */
        self_id_count = (reg_read(ohci, OHCI1394_SelfIDCount) >> 3) & 0x3ff;
-        generation = (le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff;
+        generation = (cond_le32_to_cpu(ohci->self_id_cpu[0]) >> 16) & 0xff;
        rmb();
        for (i = 1, j = 0; j < self_id_count; i += 2, j++) {
                if (ohci->self_id_cpu[i] != ~ohci->self_id_cpu[i + 1])
                        fw_error("inconsistent self IDs\n");
-                ohci->self_id_buffer[j] = le32_to_cpu(ohci->self_id_cpu[i]);
+                ohci->self_id_buffer[j] =
+                                cond_le32_to_cpu(ohci->self_id_cpu[i]);
        }
        rmb();
@@ -1316,7 +1321,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
        unsigned long flags;
        int retval = -EBUSY;
        __be32 *next_config_rom;
-        dma_addr_t next_config_rom_bus;
+        dma_addr_t uninitialized_var(next_config_rom_bus);
        ohci = fw_ohci(card);
@@ -1487,7 +1492,7 @@ static int handle_ir_dualbuffer_packet(struct context *context,
        void *p, *end;
        int i;
-        if (db->first_res_count > 0 && db->second_res_count > 0) {
+        if (db->first_res_count != 0 && db->second_res_count != 0) {
                if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) {
                        /* This descriptor isn't done yet, stop iteration. */
                        return 0;
@@ -1513,7 +1518,7 @@ static int handle_ir_dualbuffer_packet(struct context *context,
                memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4);
                i += ctx->base.header_size;
                ctx->excess_bytes +=
-                        (le32_to_cpu(*(u32 *)(p + 4)) >> 16) & 0xffff;
+                        (le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff;
                p += ctx->base.header_size + 4;
        }
        ctx->header_length = i;
@@ -2048,6 +2053,18 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
        int err;
        size_t size;
+#ifdef CONFIG_PPC_PMAC
+        /* Necessary on some machines if fw-ohci was loaded/ unloaded before */
+        if (machine_is(powermac)) {
+                struct device_node *ofn = pci_device_to_OF_node(dev);
+                if (ofn) {
+                        pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 1);
+                        pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1);
+                }
+        }
+#endif /* CONFIG_PPC_PMAC */
        ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
        if (ohci == NULL) {
                fw_error("Could not malloc fw_ohci data.\n");
@@ -2066,6 +2083,10 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
        pci_write_config_dword(dev, OHCI1394_PCI_HCI_Control, 0);
        pci_set_drvdata(dev, ohci);
+#if defined(CONFIG_PPC_PMAC) && defined(CONFIG_PPC32)
+        ohci->old_uninorth = dev->vendor == PCI_VENDOR_ID_APPLE &&
+                             dev->device == PCI_DEVICE_ID_APPLE_UNI_N_FW;
+#endif
        spin_lock_init(&ohci->lock);
        tasklet_init(&ohci->bus_reset_tasklet,
@@ -2182,6 +2203,19 @@ static void pci_remove(struct pci_dev *dev)
        pci_disable_device(dev);
        fw_card_put(&ohci->card);
+#ifdef CONFIG_PPC_PMAC
+        /* On UniNorth, power down the cable and turn off the chip clock
+         * to save power on laptops */
+        if (machine_is(powermac)) {
+                struct device_node *ofn = pci_device_to_OF_node(dev);
+                if (ofn) {
+                        pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0);
+                        pmac_call_feature(PMAC_FTR_1394_CABLE_POWER, ofn, 0, 0);
+                }
+        }
+#endif /* CONFIG_PPC_PMAC */
        fw_notify("Removed fw-ohci device.\n");
 }
@@ -2202,6 +2236,16 @@ static int pci_suspend(struct pci_dev *pdev, pm_message_t state)
        if (err)
                fw_error("pci_set_power_state failed with %d\n", err);
+/* PowerMac suspend code comes last */
+#ifdef CONFIG_PPC_PMAC
+        if (machine_is(powermac)) {
+                struct device_node *ofn = pci_device_to_OF_node(pdev);
+                if (ofn)
+                        pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 0);
+        }
+#endif /* CONFIG_PPC_PMAC */
        return 0;
 }
@@ -2210,6 +2254,16 @@ static int pci_resume(struct pci_dev *pdev)
        struct fw_ohci *ohci = pci_get_drvdata(pdev);
        int err;
+/* PowerMac resume code comes first */
+#ifdef CONFIG_PPC_PMAC
+        if (machine_is(powermac)) {
+                struct device_node *ofn = pci_device_to_OF_node(pdev);
+                if (ofn)
+                        pmac_call_feature(PMAC_FTR_1394_ENABLE, ofn, 0, 1);
+        }
+#endif /* CONFIG_PPC_PMAC */
        pci_set_power_state(pdev, PCI_D0);
        pci_restore_state(pdev);
        err = pci_enable_device(pdev);
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index 03069a454c07..62b4e47d0cc0 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -173,6 +173,7 @@ struct sbp2_target {
 #define SBP2_ORB_TIMEOUT                2000U   /* Timeout in ms */
 #define SBP2_ORB_NULL                   0x80000000
 #define SBP2_MAX_SG_ELEMENT_LENGTH      0xf000
+#define SBP2_RETRY_LIMIT                0xf     /* 15 retries */
 #define SBP2_DIRECTION_TO_MEDIA         0x0
 #define SBP2_DIRECTION_FROM_MEDIA       0x1
@@ -330,6 +331,11 @@ static const struct {
                .model                  = ~0,
                .workarounds            = SBP2_WORKAROUND_128K_MAX_TRANS,
        },
+        /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ {
+                .firmware_revision      = 0x002600,
+                .model                  = ~0,
+                .workarounds            = SBP2_WORKAROUND_128K_MAX_TRANS,
+        },
        /*
         * There are iPods (2nd gen, 3rd gen) with model_id == 0, but
@@ -812,6 +818,30 @@ static void sbp2_target_put(struct sbp2_target *tgt)
        kref_put(&tgt->kref, sbp2_release_target);
 }
+static void
+complete_set_busy_timeout(struct fw_card *card, int rcode,
+                          void *payload, size_t length, void *done)
+{
+        complete(done);
+}
+static void sbp2_set_busy_timeout(struct sbp2_logical_unit *lu)
+{
+        struct fw_device *device = fw_device(lu->tgt->unit->device.parent);
+        DECLARE_COMPLETION_ONSTACK(done);
+        struct fw_transaction t;
+        static __be32 busy_timeout;
+        /* FIXME: we should try to set dual-phase cycle_limit too */
+        busy_timeout = cpu_to_be32(SBP2_RETRY_LIMIT);
+        fw_send_request(device->card, &t, TCODE_WRITE_QUADLET_REQUEST,
+                        lu->tgt->node_id, lu->generation, device->max_speed,
+                        CSR_REGISTER_BASE + CSR_BUSY_TIMEOUT, &busy_timeout,
+                        sizeof(busy_timeout), complete_set_busy_timeout, &done);
+        wait_for_completion(&done);
+}
 static void sbp2_reconnect(struct work_struct *work);
 static void sbp2_login(struct work_struct *work)
@@ -864,10 +894,8 @@ static void sbp2_login(struct work_struct *work)
        fw_notify("%s: logged in to LUN %04x (%d retries)\n",
                  tgt->bus_id, lu->lun, lu->retries);
-#if 0
+        /* set appropriate retry limit(s) in BUSY_TIMEOUT register */
-        /* FIXME: The linux1394 sbp2 does this last step. */
+        sbp2_set_busy_timeout(lu);
-        sbp2_set_busy_timeout(scsi_id);
-#endif
        PREPARE_DELAYED_WORK(&lu->work, sbp2_reconnect);
        sbp2_agent_reset(lu);
diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index e47bb040197a..d2c7a3d7e1cb 100644
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -21,6 +21,7 @@
 #include <linux/module.h>
 #include <linux/wait.h>
 #include <linux/errno.h>
+#include <asm/bug.h>
 #include <asm/system.h>
 #include "fw-transaction.h"
 #include "fw-topology.h"
@@ -424,8 +425,8 @@ update_tree(struct fw_card *card, struct fw_node *root)
        node1 = fw_node(list1.next);
        while (&node0->link != &list0) {
+                WARN_ON(node0->port_count != node1->port_count);
-                /* assert(node0->port_count == node1->port_count); */
                if (node0->link_on && !node1->link_on)
                        event = FW_NODE_LINK_OFF;
                else if (!node0->link_on && node1->link_on)
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 7fcc59dedf08..99529e59a0b1 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -751,7 +751,7 @@ handle_topology_map(struct fw_card *card, struct fw_request *request,
                    void *payload, size_t length, void *callback_data)
 {
        int i, start, end;
-        u32 *map;
+        __be32 *map;
        if (!TCODE_IS_READ_REQUEST(tcode)) {
                fw_send_response(card, request, RCODE_TYPE_ERROR);
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 09cb72870454..a43bb22912f9 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -86,12 +86,12 @@
 static inline void
 fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
 {
-        u32 *dst = _dst;
+        u32    *dst = _dst;
-        u32 *src = _src;
+        __be32 *src = _src;
        int i;
        for (i = 0; i < size / 4; i++)
-                dst[i] = cpu_to_be32(src[i]);
+                dst[i] = be32_to_cpu(src[i]);
 }
 static inline void
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index 9e2b1964d71a..f53f72daae34 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -376,6 +376,11 @@ static const struct {
                .model_id               = SBP2_ROM_VALUE_WILDCARD,
                .workarounds            = SBP2_WORKAROUND_128K_MAX_TRANS,
        },
+        /* Datafab MD2-FW2 with Symbios/LSILogic SYM13FW500 bridge */ {
+                .firmware_revision      = 0x002600,
+                .model_id               = SBP2_ROM_VALUE_WILDCARD,
+                .workarounds            = SBP2_WORKAROUND_128K_MAX_TRANS,
+        },
        /* iPod 4th generation */ {
                .firmware_revision      = 0x0a2700,
                .model_id               = 0x000021,
diff --git a/drivers/infiniband/hw/ipath/ipath_common.h b/drivers/infiniband/hw/ipath/ipath_common.h
index 414621095540..591901aab6b7 100644
--- a/drivers/infiniband/hw/ipath/ipath_common.h
+++ b/drivers/infiniband/hw/ipath/ipath_common.h
@@ -75,7 +75,7 @@
 #define IPATH_IB_LINKDOWN               0
 #define IPATH_IB_LINKARM                1
 #define IPATH_IB_LINKACTIVE             2
-#define IPATH_IB_LINKINIT               3
+#define IPATH_IB_LINKDOWN_ONLY          3
 #define IPATH_IB_LINKDOWN_SLEEP         4
 #define IPATH_IB_LINKDOWN_DISABLE       5
 #define IPATH_IB_LINK_LOOPBACK  6 /* enable local loopback */
diff --git a/drivers/infiniband/hw/ipath/ipath_driver.c b/drivers/infiniband/hw/ipath/ipath_driver.c
index d5ff6ca2db30..ca4d0acc6786 100644
--- a/drivers/infiniband/hw/ipath/ipath_driver.c
+++ b/drivers/infiniband/hw/ipath/ipath_driver.c
@@ -851,8 +851,7 @@ void ipath_disarm_piobufs(struct ipath_devdata *dd, unsigned first,
 * -ETIMEDOUT state can have multiple states set, for any of several
 * transitions.
 */
-static int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state,
+int ipath_wait_linkstate(struct ipath_devdata *dd, u32 state, int msecs)
-                                int msecs)
 {
        dd->ipath_state_wanted = state;
        wait_event_interruptible_timeout(ipath_state_wait,
@@ -1656,8 +1655,8 @@ void ipath_cancel_sends(struct ipath_devdata *dd, int restore_sendctrl)
 static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
 {
        static const char *what[4] = {
-                [0] = "DOWN",
+                [0] = "NOP",
-                [INFINIPATH_IBCC_LINKCMD_INIT] = "INIT",
+                [INFINIPATH_IBCC_LINKCMD_DOWN] = "DOWN",
                [INFINIPATH_IBCC_LINKCMD_ARMED] = "ARMED",
                [INFINIPATH_IBCC_LINKCMD_ACTIVE] = "ACTIVE"
        };
@@ -1672,9 +1671,9 @@ static void ipath_set_ib_lstate(struct ipath_devdata *dd, int which)
                            (dd, dd->ipath_kregs->kr_ibcstatus) >>
                            INFINIPATH_IBCS_LINKTRAININGSTATE_SHIFT) &
                           INFINIPATH_IBCS_LINKTRAININGSTATE_MASK]);
-        /* flush all queued sends when going to DOWN or INIT, to be sure that
+        /* flush all queued sends when going to DOWN to be sure that
         * they don't block MAD packets */
-        if (!linkcmd || linkcmd == INFINIPATH_IBCC_LINKCMD_INIT)
+        if (linkcmd == INFINIPATH_IBCC_LINKCMD_DOWN)
                ipath_cancel_sends(dd, 1);
        ipath_write_kreg(dd, dd->ipath_kregs->kr_ibcctrl,
@@ -1687,6 +1686,13 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate)
        int ret;
        switch (newstate) {
+        case IPATH_IB_LINKDOWN_ONLY:
+                ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_DOWN <<
+                                    INFINIPATH_IBCC_LINKCMD_SHIFT);
+                /* don't wait */
+                ret = 0;
+                goto bail;
        case IPATH_IB_LINKDOWN:
                ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKINITCMD_POLL <<
                                    INFINIPATH_IBCC_LINKINITCMD_SHIFT);
@@ -1709,16 +1715,6 @@ int ipath_set_linkstate(struct ipath_devdata *dd, u8 newstate)
                ret = 0;
                goto bail;
-        case IPATH_IB_LINKINIT:
-                if (dd->ipath_flags & IPATH_LINKINIT) {
-                        ret = 0;
-                        goto bail;
-                }
-                ipath_set_ib_lstate(dd, INFINIPATH_IBCC_LINKCMD_INIT <<
-                                    INFINIPATH_IBCC_LINKCMD_SHIFT);
-                lstate = IPATH_LINKINIT;
-                break;
        case IPATH_IB_LINKARM:
                if (dd->ipath_flags & IPATH_LINKARMED) {
                        ret = 0;
diff --git a/drivers/infiniband/hw/ipath/ipath_kernel.h b/drivers/infiniband/hw/ipath/ipath_kernel.h
index 4cc0f95ea877..ecf3f7ff7717 100644
--- a/drivers/infiniband/hw/ipath/ipath_kernel.h
+++ b/drivers/infiniband/hw/ipath/ipath_kernel.h
@@ -767,6 +767,7 @@ void ipath_kreceive(struct ipath_portdata *);
 int ipath_setrcvhdrsize(struct ipath_devdata *, unsigned);
 int ipath_reset_device(int);
 void ipath_get_faststats(unsigned long);
+int ipath_wait_linkstate(struct ipath_devdata *, u32, int);
 int ipath_set_linkstate(struct ipath_devdata *, u8);
 int ipath_set_mtu(struct ipath_devdata *, u16);
 int ipath_set_lid(struct ipath_devdata *, u32, u8);
diff --git a/drivers/infiniband/hw/ipath/ipath_mad.c b/drivers/infiniband/hw/ipath/ipath_mad.c
index d98d5f103700..b34b91d3723a 100644
--- a/drivers/infiniband/hw/ipath/ipath_mad.c
+++ b/drivers/infiniband/hw/ipath/ipath_mad.c
@@ -555,10 +555,7 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
                /* FALLTHROUGH */
        case IB_PORT_DOWN:
                if (lstate == 0)
-                        if (get_linkdowndefaultstate(dd))
+                        lstate = IPATH_IB_LINKDOWN_ONLY;
-                                lstate = IPATH_IB_LINKDOWN_SLEEP;
-                        else
-                                lstate = IPATH_IB_LINKDOWN;
                else if (lstate == 1)
                        lstate = IPATH_IB_LINKDOWN_SLEEP;
                else if (lstate == 2)
@@ -568,6 +565,8 @@ static int recv_subn_set_portinfo(struct ib_smp *smp,
                else
                        goto err;
                ipath_set_linkstate(dd, lstate);
+                ipath_wait_linkstate(dd, IPATH_LINKINIT | IPATH_LINKARMED |
+                                IPATH_LINKACTIVE, 1000);
                break;
        case IB_PORT_ARMED:
                ipath_set_linkstate(dd, IPATH_IB_LINKARM);
diff --git a/drivers/infiniband/hw/ipath/ipath_qp.c b/drivers/infiniband/hw/ipath/ipath_qp.c
index 80dc623cee40..087ed3166479 100644
--- a/drivers/infiniband/hw/ipath/ipath_qp.c
+++ b/drivers/infiniband/hw/ipath/ipath_qp.c
@@ -329,8 +329,9 @@ struct ipath_qp *ipath_lookup_qpn(struct ipath_qp_table *qpt, u32 qpn)
 /**
 * ipath_reset_qp - initialize the QP state to the reset state
 * @qp: the QP to reset
+ * @type: the QP type
 */
-static void ipath_reset_qp(struct ipath_qp *qp)
+static void ipath_reset_qp(struct ipath_qp *qp, enum ib_qp_type type)
 {
        qp->remote_qpn = 0;
        qp->qkey = 0;
@@ -342,7 +343,7 @@ static void ipath_reset_qp(struct ipath_qp *qp)
        qp->s_psn = 0;
        qp->r_psn = 0;
        qp->r_msn = 0;
-        if (qp->ibqp.qp_type == IB_QPT_RC) {
+        if (type == IB_QPT_RC) {
                qp->s_state = IB_OPCODE_RC_SEND_LAST;
                qp->r_state = IB_OPCODE_RC_SEND_LAST;
        } else {
@@ -414,7 +415,7 @@ int ipath_error_qp(struct ipath_qp *qp, enum ib_wc_status err)
                wc.wr_id = qp->r_wr_id;
                wc.opcode = IB_WC_RECV;
                wc.status = err;
-                ipath_cq_enter(to_icq(qp->ibqp.send_cq), &wc, 1);
+                ipath_cq_enter(to_icq(qp->ibqp.recv_cq), &wc, 1);
        }
        wc.status = IB_WC_WR_FLUSH_ERR;
@@ -534,7 +535,7 @@ int ipath_modify_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        switch (new_state) {
        case IB_QPS_RESET:
-                ipath_reset_qp(qp);
+                ipath_reset_qp(qp, ibqp->qp_type);
                break;
        case IB_QPS_ERR:
@@ -647,7 +648,7 @@ int ipath_query_qp(struct ib_qp *ibqp, struct ib_qp_attr *attr,
        attr->port_num = 1;
        attr->timeout = qp->timeout;
        attr->retry_cnt = qp->s_retry_cnt;
-        attr->rnr_retry = qp->s_rnr_retry;
+        attr->rnr_retry = qp->s_rnr_retry_cnt;
        attr->alt_port_num = 0;
        attr->alt_timeout = 0;
@@ -839,7 +840,7 @@ struct ib_qp *ipath_create_qp(struct ib_pd *ibpd,
                        goto bail_qp;
                }
                qp->ip = NULL;
-                ipath_reset_qp(qp);
+                ipath_reset_qp(qp, init_attr->qp_type);
                break;
        default:
diff --git a/drivers/infiniband/hw/ipath/ipath_rc.c b/drivers/infiniband/hw/ipath/ipath_rc.c
index 459e46e2c016..40f3e37d7adc 100644
--- a/drivers/infiniband/hw/ipath/ipath_rc.c
+++ b/drivers/infiniband/hw/ipath/ipath_rc.c
@@ -1196,6 +1196,10 @@ static inline void ipath_rc_rcv_resp(struct ipath_ibdev *dev,
                        list_move_tail(&qp->timerwait,
                                       &dev->pending[dev->pending_index]);
                spin_unlock(&dev->pending_lock);
+                if (opcode == OP(RDMA_READ_RESPONSE_MIDDLE))
+                        qp->s_retry = qp->s_retry_cnt;
                /*
                 * Update the RDMA receive state but do the copy w/o
                 * holding the locks and blocking interrupts.
diff --git a/drivers/infiniband/hw/ipath/ipath_registers.h b/drivers/infiniband/hw/ipath/ipath_registers.h
index 6d2a17f9c1da..92ad73a7fff0 100644
--- a/drivers/infiniband/hw/ipath/ipath_registers.h
+++ b/drivers/infiniband/hw/ipath/ipath_registers.h
@@ -185,7 +185,7 @@
 #define INFINIPATH_IBCC_LINKINITCMD_SLEEP 3
 #define INFINIPATH_IBCC_LINKINITCMD_SHIFT 16
 #define INFINIPATH_IBCC_LINKCMD_MASK 0x3ULL
-#define INFINIPATH_IBCC_LINKCMD_INIT 1  /* move to 0x11 */
+#define INFINIPATH_IBCC_LINKCMD_DOWN 1  /* move to 0x11 */
 #define INFINIPATH_IBCC_LINKCMD_ARMED 2 /* move to 0x21 */
 #define INFINIPATH_IBCC_LINKCMD_ACTIVE 3        /* move to 0x31 */
 #define INFINIPATH_IBCC_LINKCMD_SHIFT 18
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_cm.c b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
index 52b1bebfa744..2490b2d79dbb 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_cm.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_cm.c
@@ -38,6 +38,7 @@
 #include <net/icmp.h>
 #include <linux/icmpv6.h>
 #include <linux/delay.h>
+#include <linux/vmalloc.h>
 #include "ipoib.h"
@@ -637,6 +638,7 @@ static inline int post_send(struct ipoib_dev_priv *priv,
        priv->tx_sge[0].addr          = addr;
        priv->tx_sge[0].length        = len;
+        priv->tx_wr.num_sge     = 1;
        priv->tx_wr.wr_id       = wr_id | IPOIB_OP_CM;
        return ib_post_send(tx->qp, &priv->tx_wr, &bad_wr);
@@ -1030,13 +1032,13 @@ static int ipoib_cm_tx_init(struct ipoib_cm_tx *p, u32 qpn,
        struct ipoib_dev_priv *priv = netdev_priv(p->dev);
        int ret;
-        p->tx_ring = kzalloc(ipoib_sendq_size * sizeof *p->tx_ring,
+        p->tx_ring = vmalloc(ipoib_sendq_size * sizeof *p->tx_ring);
-                                GFP_KERNEL);
        if (!p->tx_ring) {
                ipoib_warn(priv, "failed to allocate tx ring\n");
                ret = -ENOMEM;
                goto err_tx;
        }
+        memset(p->tx_ring, 0, ipoib_sendq_size * sizeof *p->tx_ring);
        p->qp = ipoib_cm_create_tx_qp(p->dev, p);
        if (IS_ERR(p->qp)) {
@@ -1077,6 +1079,7 @@ err_id:
        ib_destroy_qp(p->qp);
 err_qp:
        p->qp = NULL;
+        vfree(p->tx_ring);
 err_tx:
        return ret;
 }
@@ -1127,7 +1130,7 @@ timeout:
        if (p->qp)
                ib_destroy_qp(p->qp);
-        kfree(p->tx_ring);
+        vfree(p->tx_ring);
        kfree(p);
 }
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c
index f96477a8ca5a..57282048865c 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_main.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c
@@ -41,6 +41,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
+#include <linux/vmalloc.h>
 #include <linux/if_arp.h>       /* For ARPHRD_xxx */
@@ -887,13 +888,13 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
                goto out;
        }
-        priv->tx_ring = kzalloc(ipoib_sendq_size * sizeof *priv->tx_ring,
+        priv->tx_ring = vmalloc(ipoib_sendq_size * sizeof *priv->tx_ring);
-                                GFP_KERNEL);
        if (!priv->tx_ring) {
                printk(KERN_WARNING "%s: failed to allocate TX ring (%d entries)\n",
                       ca->name, ipoib_sendq_size);
                goto out_rx_ring_cleanup;
        }
+        memset(priv->tx_ring, 0, ipoib_sendq_size * sizeof *priv->tx_ring);
        /* priv->tx_head, tx_tail & tx_outstanding are already 0 */
@@ -903,7 +904,7 @@ int ipoib_dev_init(struct net_device *dev, struct ib_device *ca, int port)
        return 0;
 out_tx_ring_cleanup:
-        kfree(priv->tx_ring);
+        vfree(priv->tx_ring);
 out_rx_ring_cleanup:
        kfree(priv->rx_ring);
@@ -928,7 +929,7 @@ void ipoib_dev_cleanup(struct net_device *dev)
        ipoib_ib_dev_cleanup(dev);
        kfree(priv->rx_ring);
-        kfree(priv->tx_ring);
+        vfree(priv->tx_ring);
        priv->rx_ring = NULL;
        priv->tx_ring = NULL;
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 2628339e3a99..31a53c5bcb13 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -650,7 +650,7 @@ void ipoib_mcast_send(struct net_device *dev, void *mgid, struct sk_buff *skb)
         */
        spin_lock(&priv->lock);
-        if (!test_bit(IPOIB_MCAST_STARTED, &priv->flags)        ||
+        if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags)         ||
            !priv->broadcast                                    ||
            !test_bit(IPOIB_MCAST_FLAG_ATTACHED, &priv->broadcast->flags)) {
                ++dev->stats.tx_dropped;
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 982e27b86d10..962817e49fba 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -108,6 +108,7 @@ config ACER_WMI
        depends on ACPI
        depends on LEDS_CLASS
        depends on BACKLIGHT_CLASS_DEVICE
+        depends on SERIO_I8042
        select ACPI_WMI
        ---help---
          This is a driver for newer Acer (and Wistron) laptops. It adds
diff --git a/drivers/misc/acer-wmi.c b/drivers/misc/acer-wmi.c
index 74d12b4a3abd..dd13a3749927 100644
--- a/drivers/misc/acer-wmi.c
+++ b/drivers/misc/acer-wmi.c
@@ -219,6 +219,15 @@ static struct dmi_system_id acer_quirks[] = {
        },
        {
                .callback = dmi_matched,
+                .ident = "Acer Aspire 3610",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 3610"),
+                },
+                .driver_data = &quirk_acer_travelmate_2490,
+        },
+        {
+                .callback = dmi_matched,
                .ident = "Acer Aspire 5100",
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -228,6 +237,15 @@ static struct dmi_system_id acer_quirks[] = {
        },
        {
                .callback = dmi_matched,
+                .ident = "Acer Aspire 5610",
+                .matches = {
+                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
+                },
+                .driver_data = &quirk_acer_travelmate_2490,
+        },
+        {
+                .callback = dmi_matched,
                .ident = "Acer Aspire 5630",
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
@@ -761,11 +779,11 @@ enum led_brightness value)
 }
 static struct led_classdev mail_led = {
-        .name = "acer-mail:green",
+        .name = "acer-wmi::mail",
        .brightness_set = mail_led_set,
 };
-static int __init acer_led_init(struct device *dev)
+static int __devinit acer_led_init(struct device *dev)
 {
        return led_classdev_register(dev, &mail_led);
 }
@@ -798,7 +816,7 @@ static struct backlight_ops acer_bl_ops = {
        .update_status = update_bl_status,
 };
-static int __init acer_backlight_init(struct device *dev)
+static int __devinit acer_backlight_init(struct device *dev)
 {
        struct backlight_device *bd;
@@ -817,7 +835,7 @@ static int __init acer_backlight_init(struct device *dev)
        return 0;
 }
-static void __exit acer_backlight_exit(void)
+static void acer_backlight_exit(void)
 {
        backlight_device_unregister(acer_backlight_device);
 }
@@ -1052,11 +1070,12 @@ static int __init acer_wmi_init(void)
        if (wmi_has_guid(WMID_GUID2) && interface) {
                if (ACPI_FAILURE(WMID_set_capabilities())) {
-                        printk(ACER_ERR "Unable to detect available devices\n");
+                        printk(ACER_ERR "Unable to detect available WMID "
+                                        "devices\n");
                        return -ENODEV;
                }
        } else if (!wmi_has_guid(WMID_GUID2) && interface) {
-                printk(ACER_ERR "Unable to detect available devices\n");
+                printk(ACER_ERR "No WMID device detection method found\n");
                return -ENODEV;
        }
@@ -1064,21 +1083,20 @@ static int __init acer_wmi_init(void)
                interface = &AMW0_interface;
                if (ACPI_FAILURE(AMW0_set_capabilities())) {
-                        printk(ACER_ERR "Unable to detect available devices\n");
+                        printk(ACER_ERR "Unable to detect available AMW0 "
+                                        "devices\n");
                        return -ENODEV;
                }
        }
-        if (wmi_has_guid(AMW0_GUID1)) {
+        if (wmi_has_guid(AMW0_GUID1))
-                if (ACPI_FAILURE(AMW0_find_mailled()))
+                AMW0_find_mailled();
-                        printk(ACER_ERR "Unable to detect mail LED\n");
-        }
        find_quirks();
        if (!interface) {
-                printk(ACER_ERR "No or unsupported WMI interface, unable to ");
+                printk(ACER_ERR "No or unsupported WMI interface, unable to "
-                printk(KERN_CONT "load.\n");
+                                "load\n");
                return -ENODEV;
        }
diff --git a/drivers/misc/sony-laptop.c b/drivers/misc/sony-laptop.c
index 899e3f75f288..02ff3d19b1cc 100644
--- a/drivers/misc/sony-laptop.c
+++ b/drivers/misc/sony-laptop.c
@@ -315,7 +315,7 @@ static void sony_laptop_report_input_event(u8 event)
                break;
        default:
-                if (event > ARRAY_SIZE(sony_laptop_input_index)) {
+                if (event >= ARRAY_SIZE(sony_laptop_input_index)) {
                        dprintk("sony_laptop_report_input_event, event not known: %d\n", event);
                        break;
                }
diff --git a/drivers/mmc/host/tifm_sd.c b/drivers/mmc/host/tifm_sd.c
index 20d5c7bd940a..1c14a186f000 100644
--- a/drivers/mmc/host/tifm_sd.c
+++ b/drivers/mmc/host/tifm_sd.c
@@ -180,7 +180,7 @@ static void tifm_sd_transfer_data(struct tifm_sd *host)
                        host->sg_pos++;
                        if (host->sg_pos == host->sg_len) {
                                if ((r_data->flags & MMC_DATA_WRITE)
-                                    && DATA_CARRY)
+                                    && (host->cmd_flags & DATA_CARRY))
                                        writel(host->bounce_buf_data[0],
                                               host->dev->addr
                                               + SOCK_MMCSD_DATA);
diff --git a/drivers/net/virtio_net.c b/drivers/net/virtio_net.c
index 19fd4cb0ddf8..b58472cf76f8 100644
--- a/drivers/net/virtio_net.c
+++ b/drivers/net/virtio_net.c
@@ -203,8 +203,11 @@ again:
        if (received < budget) {
                netif_rx_complete(vi->dev, napi);
                if (unlikely(!vi->rvq->vq_ops->enable_cb(vi->rvq))
-                    && netif_rx_reschedule(vi->dev, napi))
+                    && napi_schedule_prep(napi)) {
+                        vi->rvq->vq_ops->disable_cb(vi->rvq);
+                        __netif_rx_schedule(vi->dev, napi);
                        goto again;
+                }
        }
        return received;
@@ -278,10 +281,11 @@ again:
                pr_debug("%s: virtio not prepared to send\n", dev->name);
                netif_stop_queue(dev);
-                /* Activate callback for using skbs: if this fails it
+                /* Activate callback for using skbs: if this returns false it
                 * means some were used in the meantime. */
                if (unlikely(!vi->svq->vq_ops->enable_cb(vi->svq))) {
-                        printk("Unlikely: restart svq failed\n");
+                        printk("Unlikely: restart svq race\n");
+                        vi->svq->vq_ops->disable_cb(vi->svq);
                        netif_start_queue(dev);
                        goto again;
                }
@@ -294,6 +298,15 @@ again:
        return 0;
 }
+#ifdef CONFIG_NET_POLL_CONTROLLER
+static void virtnet_netpoll(struct net_device *dev)
+{
+        struct virtnet_info *vi = netdev_priv(dev);
+        napi_schedule(&vi->napi);
+}
+#endif
 static int virtnet_open(struct net_device *dev)
 {
        struct virtnet_info *vi = netdev_priv(dev);
@@ -336,6 +349,9 @@ static int virtnet_probe(struct virtio_device *vdev)
        dev->stop = virtnet_close;
        dev->hard_start_xmit = start_xmit;
        dev->features = NETIF_F_HIGHDMA;
+#ifdef CONFIG_NET_POLL_CONTROLLER
+        dev->poll_controller = virtnet_netpoll;
+#endif
        SET_NETDEV_DEV(dev, &vdev->dev);
        /* Do we support "hardware" checksums? */
diff --git a/drivers/parisc/pdc_stable.c b/drivers/parisc/pdc_stable.c
index de34aa9d3136..f9f9a5f1bbd0 100644
--- a/drivers/parisc/pdc_stable.c
+++ b/drivers/parisc/pdc_stable.c
@@ -829,7 +829,7 @@ static ssize_t pdcs_autoboot_write(struct kobject *kobj,
                                   struct kobj_attribute *attr,
                                   const char *buf, size_t count)
 {
-        return pdcs_auto_write(kset, attr, buf, count, PF_AUTOBOOT);
+        return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOBOOT);
 }
 /**
@@ -845,7 +845,7 @@ static ssize_t pdcs_autosearch_write(struct kobject *kobj,
                                     struct kobj_attribute *attr,
                                     const char *buf, size_t count)
 {
-        return pdcs_auto_write(kset, attr, buf, count, PF_AUTOSEARCH);
+        return pdcs_auto_write(kobj, attr, buf, count, PF_AUTOSEARCH);
 }
 /**
@@ -1066,7 +1066,7 @@ pdc_stable_init(void)
        }
        /* Don't forget the root entries */
-        error = sysfs_create_group(stable_kobj, pdcs_attr_group);
+        error = sysfs_create_group(stable_kobj, &pdcs_attr_group);
        /* register the paths kset as a child of the stable kset */
        paths_kset = kset_create_and_add("paths", NULL, stable_kobj);
diff --git a/drivers/parisc/sba_iommu.c b/drivers/parisc/sba_iommu.c
index bdbe780e21c5..8c4d2c13d5f2 100644
--- a/drivers/parisc/sba_iommu.c
+++ b/drivers/parisc/sba_iommu.c
@@ -314,8 +314,8 @@ sba_dump_sg( struct ioc *ioc, struct scatterlist *startsg, int nents)
 #define RESMAP_MASK(n)    (~0UL << (BITS_PER_LONG - (n)))
 #define RESMAP_IDX_MASK   (sizeof(unsigned long) - 1)
-unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr,
+static unsigned long ptr_to_pide(struct ioc *ioc, unsigned long *res_ptr,
-                          unsigned int bitshiftcnt)
+                                 unsigned int bitshiftcnt)
 {
        return (((unsigned long)res_ptr - (unsigned long)ioc->res_map) << 3)
                + bitshiftcnt;
diff --git a/drivers/pci/bus.c b/drivers/pci/bus.c
index 6a9403d79e0c..d708358326e5 100644
--- a/drivers/pci/bus.c
+++ b/drivers/pci/bus.c
@@ -143,14 +143,18 @@ void pci_bus_add_devices(struct pci_bus *bus)
                        /* register the bus with sysfs as the parent is now
                         * properly registered. */
                        child_bus = dev->subordinate;
+                        if (child_bus->is_added)
+                                continue;
                        child_bus->dev.parent = child_bus->bridge;
                        retval = device_register(&child_bus->dev);
                        if (retval)
                                dev_err(&dev->dev, "Error registering pci_bus,"
                                        " continuing...\n");
-                        else
+                        else {
+                                child_bus->is_added = 1;
                                retval = device_create_file(&child_bus->dev,
                                                        &dev_attr_cpuaffinity);
+                        }
                        if (retval)
                                dev_err(&dev->dev, "Error creating cpuaffinity"
                                        " file, continuing...\n");
diff --git a/drivers/pci/pci-acpi.c b/drivers/pci/pci-acpi.c
index 4a23654184fc..72f7476930c8 100644
--- a/drivers/pci/pci-acpi.c
+++ b/drivers/pci/pci-acpi.c
@@ -272,21 +272,29 @@ static int acpi_pci_set_power_state(struct pci_dev *dev, pci_power_t state)
 {
        acpi_handle handle = DEVICE_ACPI_HANDLE(&dev->dev);
        acpi_handle tmp;
-        static int state_conv[] = {
+        static const u8 state_conv[] = {
-                [0] = 0,
+                [PCI_D0] = ACPI_STATE_D0,
-                [1] = 1,
+                [PCI_D1] = ACPI_STATE_D1,
-                [2] = 2,
+                [PCI_D2] = ACPI_STATE_D2,
-                [3] = 3,
+                [PCI_D3hot] = ACPI_STATE_D3,
-                [4] = 3
+                [PCI_D3cold] = ACPI_STATE_D3
        };
-        int acpi_state = state_conv[(int __force) state];
        if (!handle)
                return -ENODEV;
        /* If the ACPI device has _EJ0, ignore the device */
        if (ACPI_SUCCESS(acpi_get_handle(handle, "_EJ0", &tmp)))
                return 0;
-        return acpi_bus_set_power(handle, acpi_state);
+        switch (state) {
+        case PCI_D0:
+        case PCI_D1:
+        case PCI_D2:
+        case PCI_D3hot:
+        case PCI_D3cold:
+                return acpi_bus_set_power(handle, state_conv[state]);
+        }
+        return -EINVAL;
 }
diff --git a/drivers/spi/au1550_spi.c b/drivers/spi/au1550_spi.c
index c47a650183a1..41a3d00c4515 100644
--- a/drivers/spi/au1550_spi.c
+++ b/drivers/spi/au1550_spi.c
@@ -99,7 +99,7 @@ static dbdev_tab_t au1550_spi_mem_dbdev =
 static void au1550_spi_bits_handlers_set(struct au1550_spi *hw, int bpw);
-/**
+/*
 *  compute BRG and DIV bits to setup spi clock based on main input clock rate
 *  that was specified in platform data structure
 *  according to au1550 datasheet:
@@ -650,7 +650,7 @@ static int au1550_spi_txrx_bufs(struct spi_device *spi, struct spi_transfer *t)
        return hw->txrx_bufs(spi, t);
 }
-static irqreturn_t au1550_spi_irq(int irq, void *dev, struct pt_regs *regs)
+static irqreturn_t au1550_spi_irq(int irq, void *dev)
 {
        struct au1550_spi *hw = dev;
        return hw->irq_callback(hw);
diff --git a/drivers/spi/spi_bitbang.c b/drivers/spi/spi_bitbang.c
index f7f8580edad8..71e881419cdd 100644
--- a/drivers/spi/spi_bitbang.c
+++ b/drivers/spi/spi_bitbang.c
@@ -344,12 +344,14 @@ static void bitbang_work(struct work_struct *work)
                                        t->rx_dma = t->tx_dma = 0;
                                status = bitbang->txrx_bufs(spi, t);
                        }
+                        if (status > 0)
+                                m->actual_length += status;
                        if (status != t->len) {
-                                if (status > 0)
+                                /* always report some kind of error */
-                                        status = -EMSGSIZE;
+                                if (status >= 0)
+                                        status = -EREMOTEIO;
                                break;
                        }
-                        m->actual_length += status;
                        status = 0;
                        /* protocol tweaks before next transfer */
diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
index 69f19f224875..17e71d56f31e 100644
--- a/drivers/thermal/Kconfig
+++ b/drivers/thermal/Kconfig
@@ -4,7 +4,6 @@
 menuconfig THERMAL
        bool "Generic Thermal sysfs driver"
-        default y
        help
          Generic Thermal Sysfs driver offers a generic mechanism for
          thermal management. Usually it's made up of one or more thermal
diff --git a/drivers/virtio/virtio_balloon.c b/drivers/virtio/virtio_balloon.c
index c8a4332d1132..0b3efc31ee6d 100644
--- a/drivers/virtio/virtio_balloon.c
+++ b/drivers/virtio/virtio_balloon.c
@@ -152,7 +152,7 @@ static void virtballoon_changed(struct virtio_device *vdev)
        wake_up(&vb->config_change);
 }
-static inline int towards_target(struct virtio_balloon *vb)
+static inline s64 towards_target(struct virtio_balloon *vb)
 {
        u32 v;
        __virtio_config_val(vb->vdev,
@@ -176,7 +176,7 @@ static int balloon(void *_vballoon)
        set_freezable();
        while (!kthread_should_stop()) {
-                int diff;
+                s64 diff;
                try_to_freeze();
                wait_event_interruptible(vb->config_change,
diff --git a/drivers/virtio/virtio_pci.c b/drivers/virtio/virtio_pci.c
index 26f787ddd5ff..59a8f73dec73 100644
--- a/drivers/virtio/virtio_pci.c
+++ b/drivers/virtio/virtio_pci.c
@@ -177,6 +177,7 @@ static irqreturn_t vp_interrupt(int irq, void *opaque)
        struct virtio_pci_device *vp_dev = opaque;
        struct virtio_pci_vq_info *info;
        irqreturn_t ret = IRQ_NONE;
+        unsigned long flags;
        u8 isr;
        /* reading the ISR has the effect of also clearing it so it's very
@@ -197,12 +198,12 @@ static irqreturn_t vp_interrupt(int irq, void *opaque)
                        drv->config_changed(&vp_dev->vdev);
        }
-        spin_lock(&vp_dev->lock);
+        spin_lock_irqsave(&vp_dev->lock, flags);
        list_for_each_entry(info, &vp_dev->virtqueues, node) {
                if (vring_interrupt(irq, info->vq) == IRQ_HANDLED)
                        ret = IRQ_HANDLED;
        }
-        spin_unlock(&vp_dev->lock);
+        spin_unlock_irqrestore(&vp_dev->lock, flags);
        return ret;
 }
@@ -214,6 +215,7 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index,
        struct virtio_pci_device *vp_dev = to_vp_device(vdev);
        struct virtio_pci_vq_info *info;
        struct virtqueue *vq;
+        unsigned long flags;
        u16 num;
        int err;
@@ -255,9 +257,9 @@ static struct virtqueue *vp_find_vq(struct virtio_device *vdev, unsigned index,
        vq->priv = info;
        info->vq = vq;
-        spin_lock(&vp_dev->lock);
+        spin_lock_irqsave(&vp_dev->lock, flags);
        list_add(&info->node, &vp_dev->virtqueues);
-        spin_unlock(&vp_dev->lock);
+        spin_unlock_irqrestore(&vp_dev->lock, flags);
        return vq;
@@ -274,10 +276,11 @@ static void vp_del_vq(struct virtqueue *vq)
 {
        struct virtio_pci_device *vp_dev = to_vp_device(vq->vdev);
        struct virtio_pci_vq_info *info = vq->priv;
+        unsigned long flags;
-        spin_lock(&vp_dev->lock);
+        spin_lock_irqsave(&vp_dev->lock, flags);
        list_del(&info->node);
-        spin_unlock(&vp_dev->lock);
+        spin_unlock_irqrestore(&vp_dev->lock, flags);
        vring_del_virtqueue(vq);
diff --git a/drivers/virtio/virtio_ring.c b/drivers/virtio/virtio_ring.c
index 3a28c1382131..aa714028641e 100644
--- a/drivers/virtio/virtio_ring.c
+++ b/drivers/virtio/virtio_ring.c
@@ -232,7 +232,6 @@ static bool vring_enable_cb(struct virtqueue *_vq)
        vq->vring.avail->flags &= ~VRING_AVAIL_F_NO_INTERRUPT;
        mb();
        if (unlikely(more_used(vq))) {
-                vq->vring.avail->flags |= VRING_AVAIL_F_NO_INTERRUPT;
                END_USE(vq);
                return false;
        }