17 files changed, 217 insertions, 166 deletions

diff --git a/drivers/acpi/Kconfig b/drivers/acpi/Kconfig
index 20eacc2c9e0e..2d21fed402b5 100644
--- a/drivers/acpi/Kconfig
+++ b/drivers/acpi/Kconfig
@@ -13,6 +13,7 @@ config ACPI
         depends on IA64 || X86
         depends on PCI
         depends on PM
+        select PNP
         default y
         ---help---
           Advanced Configuration and Power Interface (ACPI) support for 
diff --git a/drivers/acpi/asus_acpi.c b/drivers/acpi/asus_acpi.c
index 40a2f4cb4ac3..84de0887a0da 100644
--- a/drivers/acpi/asus_acpi.c
+++ b/drivers/acpi/asus_acpi.c
@@ -141,6 +141,7 @@ struct asus_hotk {
                 W5A,            //W5A
                 W3V,            //W3030V
                 xxN,            //M2400N, M3700N, M5200N, M6800N, S1300N, S5200N
+                A4S,            //Z81sp
                 //(Centrino)
                 END_MODEL
         } model;                //Models currently supported
@@ -397,7 +398,16 @@ static struct model_data model_conf[END_MODEL] = {
          .brightness_set = "SPLV",
          .brightness_get = "GPLV",
          .display_set = "SDSP",
-         .display_get = "\\ADVG"}
+        .display_get = "\\ADVG"},
+
+        {
+                .name              = "A4S",
+                .brightness_set    = "SPLV",
+                .brightness_get    = "GPLV",
+                .mt_bt_switch      = "BLED",
+                .mt_wled           = "WLED"
+        }
+
 };
 
 /* procdir we use */
@@ -1117,6 +1127,8 @@ static int asus_model_match(char *model)
                 return W3V;
         else if (strncmp(model, "W5A", 3) == 0)
                 return W5A;
+        else if (strncmp(model, "A4S", 3) == 0)
+                return A4S;
         else
                 return END_MODEL;
 }
diff --git a/drivers/acpi/bay.c b/drivers/acpi/bay.c
index 36dcb899b23c..fb3f31b5e69f 100644
--- a/drivers/acpi/bay.c
+++ b/drivers/acpi/bay.c
@@ -45,18 +45,6 @@ MODULE_LICENSE("GPL");
         acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\
         printk(KERN_DEBUG PREFIX "%s: %s\n", prefix, s); }
 static void bay_notify(acpi_handle handle, u32 event, void *data);
-static int acpi_bay_add(struct acpi_device *device);
-static int acpi_bay_remove(struct acpi_device *device, int type);
-
-static struct acpi_driver acpi_bay_driver = {
-        .name = "bay",
-        .class = ACPI_BAY_CLASS,
-        .ids = ACPI_BAY_HID,
-        .ops = {
-                .add = acpi_bay_add,
-                .remove = acpi_bay_remove,
-                },
-};
 
 struct bay {
         acpi_handle handle;
@@ -232,14 +220,6 @@ int eject_removable_drive(struct device *dev)
 }
 EXPORT_SYMBOL_GPL(eject_removable_drive);
 
-static int acpi_bay_add(struct acpi_device *device)
-{
-        bay_dprintk(device->handle, "adding bay device");
-        strcpy(acpi_device_name(device), "Dockable Bay");
-        strcpy(acpi_device_class(device), "bay");
-        return 0;
-}
-
 static int acpi_bay_add_fs(struct bay *bay)
 {
         int ret;
@@ -301,7 +281,7 @@ static int bay_add(acpi_handle handle, int id)
 
         /* initialize platform device stuff */
         pdev = platform_device_register_simple(ACPI_BAY_CLASS, id, NULL, 0);
-        if (pdev == NULL) {
+        if (IS_ERR(pdev)) {
                 printk(KERN_ERR PREFIX "Error registering bay device\n");
                 goto bay_add_err;
         }
@@ -337,52 +317,6 @@ bay_add_err:
         return -ENODEV;
 }
 
-static int acpi_bay_remove(struct acpi_device *device, int type)
-{
-        /*** FIXME: do something here */
-        return 0;
-}
-
-/**
- * bay_create_acpi_device - add new devices to acpi
- * @handle - handle of the device to add
- *
- *  This function will create a new acpi_device for the given
- *  handle if one does not exist already.  This should cause
- *  acpi to scan for drivers for the given devices, and call
- *  matching driver's add routine.
- *
- *  Returns a pointer to the acpi_device corresponding to the handle.
- */
-static struct acpi_device * bay_create_acpi_device(acpi_handle handle)
-{
-        struct acpi_device *device = NULL;
-        struct acpi_device *parent_device;
-        acpi_handle parent;
-        int ret;
-
-        bay_dprintk(handle, "Trying to get device");
-        if (acpi_bus_get_device(handle, &device)) {
-                /*
-                 * no device created for this object,
-                 * so we should create one.
-                 */
-                bay_dprintk(handle, "No device for handle");
-                acpi_get_parent(handle, &parent);
-                if (acpi_bus_get_device(parent, &parent_device))
-                        parent_device = NULL;
-
-                ret = acpi_bus_add(&device, parent_device, handle,
-                        ACPI_BUS_TYPE_DEVICE);
-                if (ret) {
-                        pr_debug("error adding bus, %x\n",
-                                -ret);
-                        return NULL;
-                }
-        }
-        return device;
-}
-
 /**
  * bay_notify - act upon an acpi bay notification
  * @handle: the bay handle
@@ -392,38 +326,19 @@ static struct acpi_device * bay_create_acpi_device(acpi_handle handle)
  */
 static void bay_notify(acpi_handle handle, u32 event, void *data)
 {
-        struct acpi_device *dev;
+        struct bay *bay_dev = (struct bay *)data;
+        struct device *dev = &bay_dev->pdev->dev;
 
         bay_dprintk(handle, "Bay event");
 
         switch(event) {
         case ACPI_NOTIFY_BUS_CHECK:
-                printk("Bus Check\n");
         case ACPI_NOTIFY_DEVICE_CHECK:
-                printk("Device Check\n");
-                dev = bay_create_acpi_device(handle);
-                if (dev)
-                        acpi_bus_generate_event(dev, event, 0);
-                else
-                        printk("No device for generating event\n");
-                /* wouldn't it be a good idea to just rescan SATA
-                 * right here?
-                 */
-                break;
         case ACPI_NOTIFY_EJECT_REQUEST:
-                printk("Eject request\n");
-                dev = bay_create_acpi_device(handle);
-                if (dev)
-                        acpi_bus_generate_event(dev, event, 0);
-                else
-                        printk("No device for generating eventn");
-
-                /* wouldn't it be a good idea to just call the
-                 * eject_device here if we were a SATA device?
-                 */
+                kobject_uevent(&dev->kobj, KOBJ_CHANGE);
                 break;
         default:
-                printk("unknown event %d\n", event);
+                printk(KERN_ERR PREFIX "Bay: unknown event %d\n", event);
         }
 }
 
@@ -455,10 +370,6 @@ static int __init bay_init(void)
         acpi_walk_namespace(ACPI_TYPE_DEVICE, ACPI_ROOT_OBJECT,
                 ACPI_UINT32_MAX, find_bay, &bays, NULL);
 
-        if (bays)
-                if ((acpi_bus_register_driver(&acpi_bay_driver) < 0))
-                        printk(KERN_ERR "Unable to register bay driver\n");
-
         if (!bays)
                 return -ENODEV;
 
@@ -479,8 +390,6 @@ static void __exit bay_exit(void)
                 kfree(bay->name);
                 kfree(bay);
         }
-
-        acpi_bus_unregister_driver(&acpi_bay_driver);
 }
 
 postcore_initcall(bay_init);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index c1f6251a80a3..ab6888373795 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -279,8 +279,10 @@ static int acpi_ec_transaction(struct acpi_ec *ec, u8 command,
         mutex_lock(&ec->lock);
         if (ec->global_lock) {
                 status = acpi_acquire_global_lock(ACPI_EC_UDELAY_GLK, &glk);
-                if (ACPI_FAILURE(status))
+                if (ACPI_FAILURE(status)) {
+                        mutex_unlock(&ec->lock);
                         return -ENODEV;
+                }
         }
 
         /* Make sure GPE is enabled before doing transaction */
diff --git a/drivers/acpi/events/evgpe.c b/drivers/acpi/events/evgpe.c
index dfac3ecc596e..635ba449ebc2 100644
--- a/drivers/acpi/events/evgpe.c
+++ b/drivers/acpi/events/evgpe.c
@@ -636,17 +636,6 @@ acpi_ev_gpe_dispatch(struct acpi_gpe_event_info *gpe_event_info, u32 gpe_number)
                 }
         }
 
-        if (!acpi_gbl_system_awake_and_running) {
-                /*
-                 * We just woke up because of a wake GPE. Disable any further GPEs
-                 * until we are fully up and running (Only wake GPEs should be enabled
-                 * at this time, but we just brute-force disable them all.)
-                 * 1) We must disable this particular wake GPE so it won't fire again
-                 * 2) We want to disable all wake GPEs, since we are now awake
-                 */
-                (void)acpi_hw_disable_all_gpes();
-        }
-
         /*
          * Dispatch the GPE to either an installed handler, or the control method
          * associated with this GPE (_Lxx or _Exx). If a handler exists, we invoke
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c
index 7b6c9ff9bebe..4334c208841a 100644
--- a/drivers/acpi/glue.c
+++ b/drivers/acpi/glue.c
@@ -241,3 +241,65 @@ static int __init init_acpi_device_notify(void)
 }
 
 arch_initcall(init_acpi_device_notify);
+
+
+#if defined(CONFIG_RTC_DRV_CMOS) || defined(CONFIG_RTC_DRV_CMOS_MODULE)
+
+/* Every ACPI platform has a mc146818 compatible "cmos rtc".  Here we find
+ * its device node and pass extra config data.  This helps its driver use
+ * capabilities that the now-obsolete mc146818 didn't have, and informs it
+ * that this board's RTC is wakeup-capable (per ACPI spec).
+ */
+#include <linux/mc146818rtc.h>
+
+static struct cmos_rtc_board_info rtc_info;
+
+
+/* PNP devices are registered in a subsys_initcall();
+ * ACPI specifies the PNP IDs to use.
+ */
+#include <linux/pnp.h>
+
+static int __init pnp_match(struct device *dev, void *data)
+{
+        static const char *ids[] = { "PNP0b00", "PNP0b01", "PNP0b02", };
+        struct pnp_dev *pnp = to_pnp_dev(dev);
+        int i;
+
+        for (i = 0; i < ARRAY_SIZE(ids); i++) {
+                if (compare_pnp_id(pnp->id, ids[i]) != 0)
+                        return 1;
+        }
+        return 0;
+}
+
+static struct device *__init get_rtc_dev(void)
+{
+        return bus_find_device(&pnp_bus_type, NULL, NULL, pnp_match);
+}
+
+static int __init acpi_rtc_init(void)
+{
+        struct device *dev = get_rtc_dev();
+
+        if (dev) {
+                rtc_info.rtc_day_alarm = acpi_gbl_FADT.day_alarm;
+                rtc_info.rtc_mon_alarm = acpi_gbl_FADT.month_alarm;
+                rtc_info.rtc_century = acpi_gbl_FADT.century;
+
+                /* NOTE:  acpi_gbl_FADT->rtcs4 is NOT currently useful */
+
+                dev->platform_data = &rtc_info;
+
+                /* RTC always wakes from S1/S2/S3, and often S4/STD */
+                device_init_wakeup(dev, 1);
+
+                put_device(dev);
+        } else
+                pr_debug("ACPI: RTC unavailable?\n");
+        return 0;
+}
+/* do this between RTC subsys_initcall() and rtc_cmos driver_initcall() */
+fs_initcall(acpi_rtc_init);
+
+#endif
diff --git a/drivers/acpi/i2c_ec.c b/drivers/acpi/i2c_ec.c
index a29b82793797..acab4a481897 100644
--- a/drivers/acpi/i2c_ec.c
+++ b/drivers/acpi/i2c_ec.c
@@ -14,7 +14,6 @@
 #include <linux/slab.h>
 #include <linux/kernel.h>
 #include <linux/stddef.h>
-#include <linux/sched.h>
 #include <linux/init.h>
 #include <linux/i2c.h>
 #include <linux/acpi.h>
@@ -339,6 +338,7 @@ static int acpi_ec_hc_add(struct acpi_device *device)
         smbus->adapter.owner = THIS_MODULE;
         smbus->adapter.algo = &acpi_ec_smbus_algorithm;
         smbus->adapter.algo_data = smbus;
+        smbus->adapter.dev.parent = &device->dev;
 
         if (i2c_add_adapter(&smbus->adapter)) {
                 ACPI_DEBUG_PRINT((ACPI_DB_WARN,
diff --git a/drivers/acpi/ibm_acpi.c b/drivers/acpi/ibm_acpi.c
index c6144ca66638..2429e1180fa9 100644
--- a/drivers/acpi/ibm_acpi.c
+++ b/drivers/acpi/ibm_acpi.c
@@ -496,6 +496,10 @@ static int ibm_acpi_driver_init(void)
         printk(IBM_INFO "%s v%s\n", IBM_DESC, IBM_VERSION);
         printk(IBM_INFO "%s\n", IBM_URL);
 
+        if (ibm_thinkpad_ec_found)
+                printk(IBM_INFO "ThinkPad EC firmware %s\n",
+                       ibm_thinkpad_ec_found);
+
         return 0;
 }
 
@@ -2617,7 +2621,7 @@ static void __init ibm_handle_init(char *name,
         ibm_handle_init(#object, &object##_handle, *object##_parent,    \
                 object##_paths, ARRAY_SIZE(object##_paths), &object##_path)
 
-static int set_ibm_param(const char *val, struct kernel_param *kp)
+static int __init set_ibm_param(const char *val, struct kernel_param *kp)
 {
         unsigned int i;
 
@@ -2659,7 +2663,8 @@ static void acpi_ibm_exit(void)
         for (i = ARRAY_SIZE(ibms) - 1; i >= 0; i--)
                 ibm_exit(&ibms[i]);
 
-        remove_proc_entry(IBM_DIR, acpi_root_dir);
+        if (proc_dir)
+                remove_proc_entry(IBM_DIR, acpi_root_dir);
 
         if (ibm_thinkpad_ec_found)
                 kfree(ibm_thinkpad_ec_found);
@@ -2710,9 +2715,6 @@ static int __init acpi_ibm_init(void)
 
         /* Models with newer firmware report the EC in DMI */
         ibm_thinkpad_ec_found = check_dmi_for_ec();
-        if (ibm_thinkpad_ec_found)
-                printk(IBM_INFO "ThinkPad EC firmware %s\n",
-                       ibm_thinkpad_ec_found);
 
         /* these handles are not required */
         IBM_HANDLE_INIT(vid);
@@ -2742,6 +2744,7 @@ static int __init acpi_ibm_init(void)
         proc_dir = proc_mkdir(IBM_DIR, acpi_root_dir);
         if (!proc_dir) {
                 printk(IBM_ERR "unable to create proc dir %s", IBM_DIR);
+                acpi_ibm_exit();
                 return -ENODEV;
         }
         proc_dir->owner = THIS_MODULE;
diff --git a/drivers/acpi/namespace/nsinit.c b/drivers/acpi/namespace/nsinit.c
index 326af8fc0ce7..33db2241044e 100644
--- a/drivers/acpi/namespace/nsinit.c
+++ b/drivers/acpi/namespace/nsinit.c
@@ -45,6 +45,7 @@
 #include <acpi/acnamesp.h>
 #include <acpi/acdispat.h>
 #include <acpi/acinterp.h>
+#include <linux/nmi.h>
 
 #define _COMPONENT          ACPI_NAMESPACE
 ACPI_MODULE_NAME("nsinit")
@@ -534,7 +535,15 @@ acpi_ns_init_one_device(acpi_handle obj_handle,
         info->parameter_type = ACPI_PARAM_ARGS;
         info->flags = ACPI_IGNORE_RETURN_VALUE;
 
+        /*
+         * Some hardware relies on this being executed as atomically
+         * as possible (without an NMI being received in the middle of
+         * this) - so disable NMIs and initialize the device:
+         */
+        acpi_nmi_disable();
         status = acpi_ns_evaluate(info);
+        acpi_nmi_enable();
+
         if (ACPI_SUCCESS(status)) {
                 walk_info->num_INI++;
 
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 851ac492dbbc..ee0b9f761f76 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -205,7 +205,7 @@ void __iomem *acpi_os_map_memory(acpi_physical_address phys, acpi_size size)
 {
         if (phys > ULONG_MAX) {
                 printk(KERN_ERR PREFIX "Cannot map memory that high\n");
-                return 0;
+                return NULL;
         }
         if (acpi_gbl_permanent_mmap)
                 /*
@@ -890,26 +890,6 @@ u32 acpi_os_get_line(char *buffer)
 }
 #endif                          /*  ACPI_FUTURE_USAGE  */
 
-/* Assumes no unreadable holes inbetween */
-u8 acpi_os_readable(void *ptr, acpi_size len)
-{
-#if defined(__i386__) || defined(__x86_64__)
-        char tmp;
-        return !__get_user(tmp, (char __user *)ptr)
-            && !__get_user(tmp, (char __user *)ptr + len - 1);
-#endif
-        return 1;
-}
-
-#ifdef ACPI_FUTURE_USAGE
-u8 acpi_os_writable(void *ptr, acpi_size len)
-{
-        /* could do dummy write (racy) or a kernel page table lookup.
-           The later may be difficult at early boot when kmap doesn't work yet. */
-        return 1;
-}
-#endif
-
 acpi_status acpi_os_signal(u32 function, void *info)
 {
         switch (function) {
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 911fc8cae0c1..99d1516d1e70 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -403,7 +403,7 @@ static int map_lsapic_id(struct acpi_subtable_header *entry,
         if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
                 /* First check against id */
                 if (lsapic->processor_id == acpi_id) {
-                        *apic_id = lsapic->id;
+                        *apic_id = (lsapic->id << 8) | lsapic->eid;
                         return 1;
                 /* Check against optional uid */
                 } else if (entry->length >= 16 &&
@@ -1004,7 +1004,7 @@ static int __init acpi_processor_init(void)
 #ifdef CONFIG_SMP
         if (ACPI_FAILURE(acpi_get_table(ACPI_SIG_MADT, 0,
                                 (struct acpi_table_header **)&madt)))
-                madt = 0;
+                madt = NULL;
 #endif
 
         acpi_processor_dir = proc_mkdir(ACPI_PROCESSOR_CLASS, acpi_root_dir);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 92f5185464d2..60773005b8af 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -39,6 +39,25 @@
 #include <linux/moduleparam.h>
 #include <linux/sched.h>        /* need_resched() */
 #include <linux/latency.h>
+#include <linux/clockchips.h>
+
+/*
+ * Include the apic definitions for x86 to have the APIC timer related defines
+ * available also for UP (on SMP it gets magically included via linux/smp.h).
+ * asm/acpi.h is not an option, as it would require more include magic. Also
+ * creating an empty asm-ia64/apic.h would just trade pest vs. cholera.
+ */
+#ifdef CONFIG_X86
+#include <asm/apic.h>
+#endif
+
+/*
+ * Include the apic definitions for x86 to have the APIC timer related defines
+ * available also for UP (on SMP it gets magically included via linux/smp.h).
+ */
+#ifdef CONFIG_X86
+#include <asm/apic.h>
+#endif
 
 #include <asm/io.h>
 #include <asm/uaccess.h>
@@ -237,6 +256,81 @@ static void acpi_cstate_enter(struct acpi_processor_cx *cstate)
         }
 }
 
+#ifdef ARCH_APICTIMER_STOPS_ON_C3
+
+/*
+ * Some BIOS implementations switch to C3 in the published C2 state.
+ * This seems to be a common problem on AMD boxen, but other vendors
+ * are affected too. We pick the most conservative approach: we assume
+ * that the local APIC stops in both C2 and C3.
+ */
+static void acpi_timer_check_state(int state, struct acpi_processor *pr,
+                                   struct acpi_processor_cx *cx)
+{
+        struct acpi_processor_power *pwr = &pr->power;
+
+        /*
+         * Check, if one of the previous states already marked the lapic
+         * unstable
+         */
+        if (pwr->timer_broadcast_on_state < state)
+                return;
+
+        if (cx->type >= ACPI_STATE_C2)
+                pr->power.timer_broadcast_on_state = state;
+}
+
+static void acpi_propagate_timer_broadcast(struct acpi_processor *pr)
+{
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+        unsigned long reason;
+
+        reason = pr->power.timer_broadcast_on_state < INT_MAX ?
+                CLOCK_EVT_NOTIFY_BROADCAST_ON : CLOCK_EVT_NOTIFY_BROADCAST_OFF;
+
+        clockevents_notify(reason, &pr->id);
+#else
+        cpumask_t mask = cpumask_of_cpu(pr->id);
+
+        if (pr->power.timer_broadcast_on_state < INT_MAX)
+                on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
+        else
+                on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
+#endif
+}
+
+/* Power(C) State timer broadcast control */
+static void acpi_state_timer_broadcast(struct acpi_processor *pr,
+                                       struct acpi_processor_cx *cx,
+                                       int broadcast)
+{
+#ifdef CONFIG_GENERIC_CLOCKEVENTS
+
+        int state = cx - pr->power.states;
+
+        if (state >= pr->power.timer_broadcast_on_state) {
+                unsigned long reason;
+
+                reason = broadcast ?  CLOCK_EVT_NOTIFY_BROADCAST_ENTER :
+                        CLOCK_EVT_NOTIFY_BROADCAST_EXIT;
+                clockevents_notify(reason, &pr->id);
+        }
+#endif
+}
+
+#else
+
+static void acpi_timer_check_state(int state, struct acpi_processor *pr,
+                                   struct acpi_processor_cx *cstate) { }
+static void acpi_propagate_timer_broadcast(struct acpi_processor *pr) { }
+static void acpi_state_timer_broadcast(struct acpi_processor *pr,
+                                       struct acpi_processor_cx *cx,
+                                       int broadcast)
+{
+}
+
+#endif
+
 static void acpi_processor_idle(void)
 {
         struct acpi_processor *pr = NULL;
@@ -381,6 +475,7 @@ static void acpi_processor_idle(void)
                 /* Get start time (ticks) */
                 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
                 /* Invoke C2 */
+                acpi_state_timer_broadcast(pr, cx, 1);
                 acpi_cstate_enter(cx);
                 /* Get end time (ticks) */
                 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -395,6 +490,7 @@ static void acpi_processor_idle(void)
                 /* Compute time (ticks) that we were actually asleep */
                 sleep_ticks =
                     ticks_elapsed(t1, t2) - cx->latency_ticks - C2_OVERHEAD;
+                acpi_state_timer_broadcast(pr, cx, 0);
                 break;
 
         case ACPI_STATE_C3:
@@ -416,6 +512,7 @@ static void acpi_processor_idle(void)
                 /* Get start time (ticks) */
                 t1 = inl(acpi_gbl_FADT.xpm_timer_block.address);
                 /* Invoke C3 */
+                acpi_state_timer_broadcast(pr, cx, 1);
                 acpi_cstate_enter(cx);
                 /* Get end time (ticks) */
                 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
@@ -435,6 +532,7 @@ static void acpi_processor_idle(void)
                 /* Compute time (ticks) that we were actually asleep */
                 sleep_ticks =
                     ticks_elapsed(t1, t2) - cx->latency_ticks - C3_OVERHEAD;
+                acpi_state_timer_broadcast(pr, cx, 0);
                 break;
 
         default:
@@ -903,11 +1001,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
         unsigned int i;
         unsigned int working = 0;
 
-#ifdef ARCH_APICTIMER_STOPS_ON_C3
-        int timer_broadcast = 0;
-        cpumask_t mask = cpumask_of_cpu(pr->id);
-        on_each_cpu(switch_ipi_to_APIC_timer, &mask, 1, 1);
-#endif
+        pr->power.timer_broadcast_on_state = INT_MAX;
 
         for (i = 1; i < ACPI_PROCESSOR_MAX_POWER; i++) {
                 struct acpi_processor_cx *cx = &pr->power.states[i];
@@ -919,21 +1013,14 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
 
                 case ACPI_STATE_C2:
                         acpi_processor_power_verify_c2(cx);
-#ifdef ARCH_APICTIMER_STOPS_ON_C3
-                        /* Some AMD systems fake C3 as C2, but still
-                           have timer troubles */
-                        if (cx->valid && 
-                                boot_cpu_data.x86_vendor == X86_VENDOR_AMD)
-                                timer_broadcast++;
-#endif
+                        if (cx->valid)
+                                acpi_timer_check_state(i, pr, cx);
                         break;
 
                 case ACPI_STATE_C3:
                         acpi_processor_power_verify_c3(pr, cx);
-#ifdef ARCH_APICTIMER_STOPS_ON_C3
                         if (cx->valid)
-                                timer_broadcast++;
-#endif
+                                acpi_timer_check_state(i, pr, cx);
                         break;
                 }
 
@@ -941,10 +1028,7 @@ static int acpi_processor_power_verify(struct acpi_processor *pr)
                         working++;
         }
 
-#ifdef ARCH_APICTIMER_STOPS_ON_C3
-        if (timer_broadcast)
-                on_each_cpu(switch_APIC_timer_to_ipi, &mask, 1, 1);
-#endif
+        acpi_propagate_timer_broadcast(pr);
 
         return (working);
 }
diff --git a/drivers/acpi/sleep/poweroff.c b/drivers/acpi/sleep/poweroff.c
index 47fb4b394eec..d9801eff6489 100644
--- a/drivers/acpi/sleep/poweroff.c
+++ b/drivers/acpi/sleep/poweroff.c
@@ -12,7 +12,6 @@
 #include <linux/pm.h>
 #include <linux/init.h>
 #include <acpi/acpi_bus.h>
-#include <linux/sched.h>
 #include <linux/sysdev.h>
 #include <asm/io.h>
 #include "sleep.h"
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index 4ed640031e9a..849e2c361804 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -25,7 +25,6 @@
 
 #include <linux/init.h>
 #include <linux/kernel.h>
-#include <linux/sched.h>
 #include <linux/smp.h>
 #include <linux/string.h>
 #include <linux/types.h>
diff --git a/drivers/acpi/tables/tbxface.c b/drivers/acpi/tables/tbxface.c
index 807978d5381a..417ef5fa7666 100644
--- a/drivers/acpi/tables/tbxface.c
+++ b/drivers/acpi/tables/tbxface.c
@@ -338,9 +338,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
         int i;
         acpi_status status = AE_NOT_EXIST;
 
-        ACPI_FUNCTION_TRACE(acpi_unload_table);
+        ACPI_FUNCTION_TRACE(acpi_unload_table_id);
 
-        /* Find table from the requested type list */
+        /* Find table in the global table list */
         for (i = 0; i < acpi_gbl_root_table_list.count; ++i) {
                 if (id != acpi_gbl_root_table_list.tables[i].owner_id) {
                         continue;
@@ -352,8 +352,9 @@ acpi_status acpi_unload_table_id(acpi_owner_id id)
                 * simply a position within the hierarchy
                 */
                 acpi_tb_delete_namespace_by_owner(i);
-                acpi_tb_release_owner_id(i);
+                status = acpi_tb_release_owner_id(i);
                 acpi_tb_set_table_loaded_flag(i, FALSE);
+                break;
         }
         return_ACPI_STATUS(status);
 }
@@ -408,7 +409,7 @@ acpi_get_table(char *signature,
                 }
 
                 if (!acpi_gbl_permanent_mmap) {
-                        acpi_gbl_root_table_list.tables[i].pointer = 0;
+                        acpi_gbl_root_table_list.tables[i].pointer = NULL;
                 }
 
                 return (status);
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index f50a405d0134..15022bc86336 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -36,7 +36,8 @@
 #include <linux/init.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>
-#include <linux/sched.h>
+#include <linux/timer.h>
+#include <linux/jiffies.h>
 #include <linux/kmod.h>
 #include <linux/seq_file.h>
 #include <asm/uaccess.h>
@@ -268,7 +269,7 @@ static int acpi_thermal_set_polling(struct acpi_thermal *tz, int seconds)
 
         ACPI_DEBUG_PRINT((ACPI_DB_INFO,
                           "Polling frequency set to %lu seconds\n",
-                          tz->polling_frequency));
+                          tz->polling_frequency/10));
 
         return 0;
 }
diff --git a/drivers/acpi/toshiba_acpi.c b/drivers/acpi/toshiba_acpi.c
index d9b651ffcdc0..0208d3a3f598 100644
--- a/drivers/acpi/toshiba_acpi.c
+++ b/drivers/acpi/toshiba_acpi.c
@@ -125,7 +125,7 @@ static int write_acpi_int(const char *methodName, int val)
         union acpi_object in_objs[1];
         acpi_status status;
 
-        params.count = sizeof(in_objs) / sizeof(in_objs[0]);
+        params.count = ARRAY_SIZE(in_objs);
         params.pointer = in_objs;
         in_objs[0].type = ACPI_TYPE_INTEGER;
         in_objs[0].integer.value = val;