Merge branch 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6

* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
  ACPI: drivers/acpi: elide a non-zero test on a result that is never 0
  pnpacpi: reduce printk severity for "pnpacpi: exceeded the max number of ..."
  cpuidle: fix 100% C0 statistics regression
  cpuidle: fix cpuidle time and usage overflow
  ACPI: fix mis-merge -- invoke acpi_unlazy_tlb() only on C3 entry
  ACPI: fix a regression of ACPI device driver autoloading
  ACPI: SBS: remove typo from sbchc.c

10 files changed, 76 insertions, 68 deletions

diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index c8e3cba423ef..4d535c50d821 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -260,24 +260,22 @@ static int acpi_fan_add(struct acpi_device *device)
                 result = PTR_ERR(cdev);
                 goto end;
         }
-        if (cdev) {
-                printk(KERN_INFO PREFIX
-                        "%s is registered as cooling_device%d\n",
-                        device->dev.bus_id, cdev->id);
-
-                acpi_driver_data(device) = cdev;
-                result = sysfs_create_link(&device->dev.kobj,
-                                           &cdev->device.kobj,
-                                           "thermal_cooling");
-                if (result)
-                        return result;
-
-                result = sysfs_create_link(&cdev->device.kobj,
-                                           &device->dev.kobj,
-                                           "device");
-                if (result)
-                        return result;
-        }
+        printk(KERN_INFO PREFIX
+                "%s is registered as cooling_device%d\n",
+                device->dev.bus_id, cdev->id);
+
+        acpi_driver_data(device) = cdev;
+        result = sysfs_create_link(&device->dev.kobj,
+                                   &cdev->device.kobj,
+                                   "thermal_cooling");
+        if (result)
+                return result;
+
+        result = sysfs_create_link(&cdev->device.kobj,
+                                   &device->dev.kobj,
+                                   "device");
+        if (result)
+                return result;
 
         result = acpi_fan_add_fs(device);
         if (result)
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 36a68fa114e3..3a136f6c66a3 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -674,22 +674,20 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
                 result = PTR_ERR(pr->cdev);
                 goto end;
         }
-        if (pr->cdev) {
-                printk(KERN_INFO PREFIX
-                        "%s is registered as cooling_device%d\n",
-                        device->dev.bus_id, pr->cdev->id);
-
-                result = sysfs_create_link(&device->dev.kobj,
-                                           &pr->cdev->device.kobj,
-                                           "thermal_cooling");
-                if (result)
-                        return result;
-                result = sysfs_create_link(&pr->cdev->device.kobj,
-                                           &device->dev.kobj,
-                                           "device");
-                if (result)
-                        return result;
-        }
+        printk(KERN_INFO PREFIX
+                "%s is registered as cooling_device%d\n",
+                device->dev.bus_id, pr->cdev->id);
+
+        result = sysfs_create_link(&device->dev.kobj,
+                                   &pr->cdev->device.kobj,
+                                   "thermal_cooling");
+        if (result)
+                return result;
+        result = sysfs_create_link(&pr->cdev->device.kobj,
+                                   &device->dev.kobj,
+                                   "device");
+        if (result)
+                return result;
 
         if (pr->flags.throttling) {
                 printk(KERN_INFO PREFIX "%s [%s] (supports",
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index e8e2d8869236..788da9781f80 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -1487,7 +1487,6 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
                 return 0;
         }
 
-        acpi_unlazy_tlb(smp_processor_id());
         /*
          * Must be done before busmaster disable as we might need to
          * access HPET !
@@ -1577,6 +1576,8 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 return 0;
         }
 
+        acpi_unlazy_tlb(smp_processor_id());
+
         /* Tell the scheduler that we are going deep-idle: */
         sched_clock_idle_sleep_event();
         /*
@@ -1692,7 +1693,9 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
                 switch (cx->type) {
                         case ACPI_STATE_C1:
                         state->flags |= CPUIDLE_FLAG_SHALLOW;
-                        state->flags |= CPUIDLE_FLAG_TIME_VALID;
+                        if (cx->entry_method == ACPI_CSTATE_FFH)
+                                state->flags |= CPUIDLE_FLAG_TIME_VALID;
+
                         state->enter = acpi_idle_enter_c1;
                         dev->safe_state = state;
                         break;
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index a2cf3008ce6c..bcf2c70fca87 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -130,7 +130,6 @@ static int acpi_smbus_transaction(struct acpi_smb_hc *hc, u8 protocol,
                 goto end;
         }
         smb_hc_write(hc, ACPI_SMB_COMMAND, command);
-        smb_hc_write(hc, ACPI_SMB_COMMAND, command);
         if (!(protocol & 0x01)) {
                 smb_hc_write(hc, ACPI_SMB_BLOCK_COUNT, length);
                 for (i = 0; i < length; ++i)
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index 57570ac47803..e6ce262b5d44 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -39,20 +39,26 @@ static int create_modalias(struct acpi_device *acpi_dev, char *modalias,
                            int size)
 {
         int len;
+        int count;
 
-        if (!acpi_dev->flags.hardware_id)
+        if (!acpi_dev->flags.hardware_id && !acpi_dev->flags.compatible_ids)
                 return -ENODEV;
 
-        len = snprintf(modalias, size, "acpi:%s:",
-                       acpi_dev->pnp.hardware_id);
-        if (len < 0 || len >= size)
-                return -EINVAL;
+        len = snprintf(modalias, size, "acpi:");
         size -= len;
 
+        if (acpi_dev->flags.hardware_id) {
+                count = snprintf(&modalias[len], size, "%s:",
+                                 acpi_dev->pnp.hardware_id);
+                if (count < 0 || count >= size)
+                        return -EINVAL;
+                len += count;
+                size -= count;
+        }
+
         if (acpi_dev->flags.compatible_ids) {
                 struct acpi_compatible_id_list *cid_list;
                 int i;
-                int count;
 
                 cid_list = acpi_dev->pnp.cid_list;
                 for (i = 0; i < cid_list->count; i++) {
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 12fb44f16766..fe09b57de617 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -734,21 +734,19 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
                 if (IS_ERR(device->cdev))
                         return;
 
-                if (device->cdev) {
-                        printk(KERN_INFO PREFIX
-                                "%s is registered as cooling_device%d\n",
-                                device->dev->dev.bus_id, device->cdev->id);
-                        result = sysfs_create_link(&device->dev->dev.kobj,
-                                          &device->cdev->device.kobj,
-                                          "thermal_cooling");
-                        if (result)
-                                printk(KERN_ERR PREFIX "Create sysfs link\n");
-                        result = sysfs_create_link(&device->cdev->device.kobj,
-                                          &device->dev->dev.kobj,
-                                          "device");
-                        if (result)
-                                printk(KERN_ERR PREFIX "Create sysfs link\n");
-                }
+                printk(KERN_INFO PREFIX
+                        "%s is registered as cooling_device%d\n",
+                        device->dev->dev.bus_id, device->cdev->id);
+                result = sysfs_create_link(&device->dev->dev.kobj,
+                                  &device->cdev->device.kobj,
+                                  "thermal_cooling");
+                if (result)
+                        printk(KERN_ERR PREFIX "Create sysfs link\n");
+                result = sysfs_create_link(&device->cdev->device.kobj,
+                                  &device->dev->dev.kobj,
+                                  "device");
+                if (result)
+                        printk(KERN_ERR PREFIX "Create sysfs link\n");
         }
         if (device->cap._DCS && device->cap._DSS){
                 static int count = 0;
diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c
index d73663a52324..fc555a90bb21 100644
--- a/drivers/cpuidle/cpuidle.c
+++ b/drivers/cpuidle/cpuidle.c
@@ -67,7 +67,7 @@ static void cpuidle_idle_call(void)
         /* enter the state and update stats */
         dev->last_residency = target_state->enter(dev, target_state);
         dev->last_state = target_state;
-        target_state->time += dev->last_residency;
+        target_state->time += (unsigned long long)dev->last_residency;
         target_state->usage++;
 
         /* give the governor an opportunity to reflect on the outcome */
@@ -224,7 +224,7 @@ static void poll_idle_init(struct cpuidle_device *dev)
         state->exit_latency = 0;
         state->target_residency = 0;
         state->power_usage = -1;
-        state->flags = CPUIDLE_FLAG_POLL | CPUIDLE_FLAG_TIME_VALID;
+        state->flags = CPUIDLE_FLAG_POLL;
         state->enter = poll_idle;
 }
 #else
diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c
index 69102ca05685..e949618b9be0 100644
--- a/drivers/cpuidle/sysfs.c
+++ b/drivers/cpuidle/sysfs.c
@@ -218,6 +218,12 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \
         return sprintf(buf, "%u\n", state->_name);\
 }
 
+#define define_show_state_ull_function(_name) \
+static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \
+{ \
+        return sprintf(buf, "%llu\n", state->_name);\
+}
+
 #define define_show_state_str_function(_name) \
 static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \
 { \
@@ -228,8 +234,8 @@ static ssize_t show_state_##_name(struct cpuidle_state *state, char *buf) \
 
 define_show_state_function(exit_latency)
 define_show_state_function(power_usage)
-define_show_state_function(usage)
-define_show_state_function(time)
+define_show_state_ull_function(usage)
+define_show_state_ull_function(time)
 define_show_state_str_function(name)
 define_show_state_str_function(desc)
 
diff --git a/drivers/pnp/pnpacpi/rsparser.c b/drivers/pnp/pnpacpi/rsparser.c
index 6aa231ef642d..2dcd1960aca8 100644
--- a/drivers/pnp/pnpacpi/rsparser.c
+++ b/drivers/pnp/pnpacpi/rsparser.c
@@ -85,7 +85,7 @@ static void pnpacpi_parse_allocated_irqresource(struct pnp_resource_table *res,
                i < PNP_MAX_IRQ)
                 i++;
         if (i >= PNP_MAX_IRQ && !warned) {
-                printk(KERN_ERR "pnpacpi: exceeded the max number of IRQ "
+                printk(KERN_WARNING "pnpacpi: exceeded the max number of IRQ "
                                 "resources: %d \n", PNP_MAX_IRQ);
                 warned = 1;
                 return;
@@ -187,7 +187,7 @@ static void pnpacpi_parse_allocated_dmaresource(struct pnp_resource_table *res,
                 res->dma_resource[i].start = dma;
                 res->dma_resource[i].end = dma;
         } else if (!warned) {
-                printk(KERN_ERR "pnpacpi: exceeded the max number of DMA "
+                printk(KERN_WARNING "pnpacpi: exceeded the max number of DMA "
                                 "resources: %d \n", PNP_MAX_DMA);
                 warned = 1;
         }
@@ -213,7 +213,7 @@ static void pnpacpi_parse_allocated_ioresource(struct pnp_resource_table *res,
                 res->port_resource[i].start = io;
                 res->port_resource[i].end = io + len - 1;
         } else if (!warned) {
-                printk(KERN_ERR "pnpacpi: exceeded the max number of IO "
+                printk(KERN_WARNING "pnpacpi: exceeded the max number of IO "
                                 "resources: %d \n", PNP_MAX_PORT);
                 warned = 1;
         }
@@ -241,7 +241,7 @@ static void pnpacpi_parse_allocated_memresource(struct pnp_resource_table *res,
                 res->mem_resource[i].start = mem;
                 res->mem_resource[i].end = mem + len - 1;
         } else if (!warned) {
-                printk(KERN_ERR "pnpacpi: exceeded the max number of mem "
+                printk(KERN_WARNING "pnpacpi: exceeded the max number of mem "
                                 "resources: %d\n", PNP_MAX_MEM);
                 warned = 1;
         }
diff --git a/include/linux/cpuidle.h b/include/linux/cpuidle.h
index 6b72a4584086..51e6b1e520e6 100644
--- a/include/linux/cpuidle.h
+++ b/include/linux/cpuidle.h
@@ -38,8 +38,8 @@ struct cpuidle_state {
         unsigned int    power_usage; /* in mW */
         unsigned int    target_residency; /* in US */
 
-        unsigned int    usage;
-        unsigned int    time; /* in US */
+        unsigned long long      usage;
+        unsigned long long      time; /* in US */
 
         int (*enter)    (struct cpuidle_device *dev,
                          struct cpuidle_state *state);