10 files changed, 142 insertions, 55 deletions

diff --git a/drivers/acpi/blacklist.c b/drivers/acpi/blacklist.c
index 9ce983ed60f0..ea92bac42c53 100644
--- a/drivers/acpi/blacklist.c
+++ b/drivers/acpi/blacklist.c
@@ -186,6 +186,12 @@ static int __init dmi_unknown_osi_linux(const struct dmi_system_id *d)
         acpi_dmi_osi_linux(-1, d);      /* unknown */
         return 0;
 }
+static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
+{
+        printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+        acpi_osi_setup("!Windows 2006");
+        return 0;
+}
 
 /*
  * Most BIOS that invoke OSI(Linux) do nothing with it.
@@ -228,10 +234,10 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 5520"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 6460"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 7510"),
-         * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
          *
          * _OSI(Linux) is a NOP:
          * DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5315"),
+         * DMI_MATCH(DMI_PRODUCT_NAME, "Extensa 5220"),
          */
         {
         .callback = dmi_disable_osi_linux,
@@ -327,12 +333,20 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
         },
         { /* OSI(Linux) effect unknown */
         .callback = dmi_unknown_osi_linux,
-        .ident = "Dell OP GX620",
+        .ident = "Dell OptiPlex GX620",
         .matches = {
                      DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
                      DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex GX620"),
                 },
         },
+        { /* OSI(Linux) causes some USB initialization to not run */
+        .callback = dmi_unknown_osi_linux,
+        .ident = "Dell OptiPlex 755",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 755"),
+                },
+        },
         { /* OSI(Linux) effect unknown */
         .callback = dmi_unknown_osi_linux,
         .ident = "Dell PE 1900",
@@ -342,6 +356,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                 },
         },
         { /* OSI(Linux) is a NOP */
+        .callback = dmi_unknown_osi_linux,
+        .ident = "Dell PE 1950",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "PowerEdge 1950"),
+                },
+        },
+        { /* OSI(Linux) is a NOP */
         .callback = dmi_disable_osi_linux,
         .ident = "Dell PE R200",
         .matches = {
@@ -357,6 +379,22 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 390"),
                 },
         },
+        { /* OSI(Linux) touches USB */
+        .callback = dmi_unknown_osi_linux,
+        .ident = "Dell PR 390",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "Precision WorkStation 690"),
+                },
+        },
+        { /* OSI(Linux) unknown - ASL looks benign, but may effect dock/SMM */
+        .callback = dmi_unknown_osi_linux,
+        .ident = "Dell PR M4300",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "Precision M4300"),
+                },
+        },
         { /* OSI(Linux) is a NOP */
         .callback = dmi_disable_osi_linux,
         .ident = "Dell Vostro 1000",
@@ -390,10 +428,10 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1536"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pi 1556"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 1546"),
+         * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
          * _OSI(Linux) unknown effect:
          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo M1425"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "Amilo Si 1520"),
-         * DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
          */
         {
         .callback = dmi_disable_osi_linux,
@@ -402,6 +440,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                      DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
                 },
         },
+        {
+        .callback = dmi_disable_osi_vista,
+        .ident = "Fujitsu Siemens",
+        .matches = {
+                     DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
+                     DMI_MATCH(DMI_PRODUCT_NAME, "ESPRIMO Mobile V5505"),
+                },
+        },
         /*
          * Disable OSI(Linux) warnings on all "Hewlett-Packard"
          *
@@ -443,10 +489,11 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          * _OSI(Linux) helps sound
          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad R61"),
          * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad T61"),
+         * _OSI(Linux) has Linux specific hooks
+         * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
          * _OSI(Linux) is a NOP:
          * DMI_MATCH(DMI_PRODUCT_VERSION, "3000 N100"),
-         * _OSI(Linux) effect unknown
-         * DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad X61"),
+         * DMI_MATCH(DMI_PRODUCT_VERSION, "LENOVO3000 V100"),
          */
         {
         .callback = dmi_enable_osi_linux,
@@ -465,7 +512,7 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                 },
         },
         {
-        .callback = dmi_unknown_osi_linux,
+        .callback = dmi_enable_osi_linux,
         .ident = "Lenovo ThinkPad X61",
         .matches = {
                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -473,7 +520,7 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
                 },
         },
         {
-        .callback = dmi_unknown_osi_linux,
+        .callback = dmi_disable_osi_linux,
         .ident = "Lenovo 3000 V100",
         .matches = {
                      DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
@@ -543,8 +590,9 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
          * Disable OSI(Linux) warnings on all "Sony Corporation"
          *
          * _OSI(Linux) is a NOP:
-         * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
+         * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-NR11S_S"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ38GP_C"),
+         * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-SZ650N"),
          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-TZ21MN_N"),
          * _OSI(Linux) unknown effect:
          * DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ11M"),
diff --git a/drivers/acpi/event.c b/drivers/acpi/event.c
index 5479dc0eeeec..abec1ca94cf4 100644
--- a/drivers/acpi/event.c
+++ b/drivers/acpi/event.c
@@ -110,7 +110,7 @@ static const struct file_operations acpi_system_event_ops = {
 #endif  /* CONFIG_ACPI_PROC_EVENT */
 
 /* ACPI notifier chain */
-BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
+static BLOCKING_NOTIFIER_HEAD(acpi_chain_head);
 
 int acpi_notifier_call_chain(struct acpi_device *dev, u32 type, u32 data)
 {
diff --git a/drivers/acpi/executer/exregion.c b/drivers/acpi/executer/exregion.c
index 2e9ce94798c7..3f51b7e84a17 100644
--- a/drivers/acpi/executer/exregion.c
+++ b/drivers/acpi/executer/exregion.c
@@ -338,6 +338,7 @@ acpi_ex_pci_config_space_handler(u32 function,
         acpi_status status = AE_OK;
         struct acpi_pci_id *pci_id;
         u16 pci_register;
+        u32 value32;
 
         ACPI_FUNCTION_TRACE(ex_pci_config_space_handler);
 
@@ -364,9 +365,9 @@ acpi_ex_pci_config_space_handler(u32 function,
         switch (function) {
         case ACPI_READ:
 
-                *value = 0;
                 status = acpi_os_read_pci_configuration(pci_id, pci_register,
-                                                        value, bit_width);
+                                                        &value32, bit_width);
+                *value = value32;
                 break;
 
         case ACPI_WRITE:
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c
index 48cb705b274a..c8e3cba423ef 100644
--- a/drivers/acpi/fan.c
+++ b/drivers/acpi/fan.c
@@ -256,22 +256,28 @@ static int acpi_fan_add(struct acpi_device *device)
 
         cdev = thermal_cooling_device_register("Fan", device,
                                                 &fan_cooling_ops);
-        if (cdev)
+        if (IS_ERR(cdev)) {
+                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);
-        else
-                goto end;
-        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;
+                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/hardware/hwsleep.c b/drivers/acpi/hardware/hwsleep.c
index 058d0be5cbe2..4290e0193097 100644
--- a/drivers/acpi/hardware/hwsleep.c
+++ b/drivers/acpi/hardware/hwsleep.c
@@ -616,6 +616,7 @@ acpi_status acpi_leave_sleep_state(u8 sleep_state)
                 return_ACPI_STATUS(status);
         }
 
+        arg.integer.value = sleep_state;
         status = acpi_evaluate_object(NULL, METHOD_NAME__WAK, &arg_list, NULL);
         if (ACPI_FAILURE(status) && status != AE_NOT_FOUND) {
                 ACPI_EXCEPTION((AE_INFO, status, "During Method _WAK"));
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 15e602377655..8edba7b678eb 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -325,7 +325,7 @@ acpi_os_predefined_override(const struct acpi_predefined_names *init_val,
 }
 
 #ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-struct acpi_table_header *acpi_find_dsdt_initrd(void)
+static struct acpi_table_header *acpi_find_dsdt_initrd(void)
 {
         struct file *firmware_file;
         mm_segment_t oldfs;
@@ -419,7 +419,7 @@ acpi_os_table_override(struct acpi_table_header * existing_table,
 }
 
 #ifdef CONFIG_ACPI_CUSTOM_DSDT_INITRD
-int __init acpi_no_initrd_override_setup(char *s)
+static int __init acpi_no_initrd_override_setup(char *s)
 {
         acpi_no_initrd_override = 1;
         return 1;
@@ -1109,7 +1109,7 @@ void __init acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d)
  * string starting with '!' disables that string
  * otherwise string is added to list, augmenting built-in strings
  */
-static int __init acpi_osi_setup(char *str)
+int __init acpi_osi_setup(char *str)
 {
         if (str == NULL || *str == '\0') {
                 printk(KERN_INFO PREFIX "_OSI method disabled\n");
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 75ccf5d18bf4..a3cc8a98255c 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -670,21 +670,26 @@ static int __cpuinit acpi_processor_start(struct acpi_device *device)
 
         pr->cdev = thermal_cooling_device_register("Processor", device,
                                                 &processor_cooling_ops);
-        if (pr->cdev)
+        if (IS_ERR(pr->cdev)) {
+                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);
-        else
-                goto end;
 
-        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;
+                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",
@@ -809,10 +814,12 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
 
         acpi_processor_remove_fs(device);
 
-        sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
-        sysfs_remove_link(&pr->cdev->device.kobj, "device");
-        thermal_cooling_device_unregister(pr->cdev);
-        pr->cdev = NULL;
+        if (pr->cdev) {
+                sysfs_remove_link(&device->dev.kobj, "thermal_cooling");
+                sysfs_remove_link(&pr->cdev->device.kobj, "device");
+                thermal_cooling_device_unregister(pr->cdev);
+                pr->cdev = NULL;
+        }
 
         processors[pr->id] = NULL;
 
@@ -826,8 +833,6 @@ static int acpi_processor_remove(struct acpi_device *device, int type)
  *      Acpi processor hotplug support                                      *
  ****************************************************************************/
 
-static int is_processor_present(acpi_handle handle);
-
 static int is_processor_present(acpi_handle handle)
 {
         acpi_status status;
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 32003fdc91e8..6f3b217699e9 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -364,7 +364,7 @@ int acpi_processor_resume(struct acpi_device * device)
         return 0;
 }
 
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC)
+#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
 static int tsc_halts_in_c(int state)
 {
         switch (boot_cpu_data.x86_vendor) {
@@ -544,7 +544,7 @@ static void acpi_processor_idle(void)
                 /* Get end time (ticks) */
                 t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
 
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC)
+#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
                 /* TSC halts in C2, so notify users */
                 if (tsc_halts_in_c(ACPI_STATE_C2))
                         mark_tsc_unstable("possible TSC halt in C2");
@@ -609,7 +609,7 @@ static void acpi_processor_idle(void)
                         acpi_set_register(ACPI_BITREG_ARB_DISABLE, 0);
                 }
 
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC)
+#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
                 /* TSC halts in C3, so notify users */
                 if (tsc_halts_in_c(ACPI_STATE_C3))
                         mark_tsc_unstable("TSC halts in C3");
@@ -945,11 +945,16 @@ static int acpi_processor_get_power_info_cst(struct acpi_processor *pr)
                                  * Otherwise, ignore this info and continue.
                                  */
                                 cx.entry_method = ACPI_CSTATE_HALT;
+                                snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI HLT");
                         } else {
                                 continue;
                         }
+                } else {
+                        snprintf(cx.desc, ACPI_CX_DESC_LEN, "ACPI IOPORT 0x%x",
+                                 cx.address);
                 }
 
+
                 obj = &(element->package.elements[2]);
                 if (obj->type != ACPI_TYPE_INTEGER)
                         continue;
@@ -1420,6 +1425,14 @@ static int acpi_idle_enter_c1(struct cpuidle_device *dev,
                 return 0;
 
         local_irq_disable();
+
+        /* Do not access any ACPI IO ports in suspend path */
+        if (acpi_idle_suspend) {
+                acpi_safe_halt();
+                local_irq_enable();
+                return 0;
+        }
+
         if (pr->flags.bm_check)
                 acpi_idle_update_bm_rld(pr, cx);
 
@@ -1487,7 +1500,7 @@ static int acpi_idle_enter_simple(struct cpuidle_device *dev,
         acpi_idle_do_entry(cx);
         t2 = inl(acpi_gbl_FADT.xpm_timer_block.address);
 
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC)
+#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
         /* TSC could halt in idle, so notify users */
         if (tsc_halts_in_c(cx->type))
                 mark_tsc_unstable("TSC halts in idle");;
@@ -1601,7 +1614,7 @@ static int acpi_idle_enter_bm(struct cpuidle_device *dev,
                 spin_unlock(&c3_lock);
         }
 
-#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86_TSC)
+#if defined (CONFIG_GENERIC_TIME) && defined (CONFIG_X86)
         /* TSC could halt in idle, so notify users */
         if (tsc_halts_in_c(ACPI_STATE_C3))
                 mark_tsc_unstable("TSC halts in idle");
@@ -1643,6 +1656,11 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
                 return -EINVAL;
         }
 
+        for (i = 0; i < CPUIDLE_STATE_MAX; i++) {
+                dev->states[i].name[0] = '\0';
+                dev->states[i].desc[0] = '\0';
+        }
+
         for (i = 1; i < ACPI_PROCESSOR_MAX_POWER && i <= max_cstate; i++) {
                 cx = &pr->power.states[i];
                 state = &dev->states[count];
@@ -1659,6 +1677,7 @@ static int acpi_processor_setup_cpuidle(struct acpi_processor *pr)
                 cpuidle_set_statedata(state, cx);
 
                 snprintf(state->name, CPUIDLE_NAME_LEN, "C%d", i);
+                strncpy(state->desc, cx->desc, CPUIDLE_DESC_LEN);
                 state->exit_latency = cx->latency;
                 state->target_residency = cx->latency * latency_factor;
                 state->power_usage = cx->power;
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 34f157571080..eba55b7d6c95 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -36,16 +36,20 @@ ACPI_MODULE_NAME("utils");
 /* --------------------------------------------------------------------------
                             Object Evaluation Helpers
    -------------------------------------------------------------------------- */
+static void
+acpi_util_eval_error(acpi_handle h, acpi_string p, acpi_status s)
+{
 #ifdef ACPI_DEBUG_OUTPUT
-#define acpi_util_eval_error(h,p,s) {\
-        char prefix[80] = {'\0'};\
-        struct acpi_buffer buffer = {sizeof(prefix), prefix};\
-        acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);\
-        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluate [%s.%s]: %s\n",\
-                (char *) prefix, p, acpi_format_exception(s))); }
+        char prefix[80] = {'\0'};
+        struct acpi_buffer buffer = {sizeof(prefix), prefix};
+        acpi_get_name(h, ACPI_FULL_PATHNAME, &buffer);
+        ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Evaluate [%s.%s]: %s\n",
+                (char *) prefix, p, acpi_format_exception(s)));
 #else
-#define acpi_util_eval_error(h,p,s)
+        return;
 #endif
+}
+
 acpi_status
 acpi_extract_package(union acpi_object *package,
                      struct acpi_buffer *format, struct acpi_buffer *buffer)
diff --git a/drivers/acpi/video.c b/drivers/acpi/video.c
index 7f714fa2a454..12cce69b5441 100644
--- a/drivers/acpi/video.c
+++ b/drivers/acpi/video.c
@@ -731,6 +731,9 @@ static void acpi_video_device_find_cap(struct acpi_video_device *device)
 
                 device->cdev = thermal_cooling_device_register("LCD",
                                         device->dev, &video_cooling_ops);
+                if (IS_ERR(device->cdev))
+                        return;
+
                 if (device->cdev) {
                         printk(KERN_INFO PREFIX
                                 "%s is registered as cooling_device%d\n",