9 files changed, 43 insertions, 26 deletions

diff --git a/MAINTAINERS b/MAINTAINERS
index 4ee59641c16c..e40379e31921 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4291,10 +4291,7 @@ W:	http://sourceforge.net/projects/tlan/
 S:      Maintained
 
 TOSHIBA ACPI EXTRAS DRIVER
-P:      John Belmonte
-M:      toshiba_acpi@memebeam.org
-W:      http://memebeam.org/toys/ToshibaAcpiDriver
-S:      Maintained
+S:      Orphan
 
 TOSHIBA SMM DRIVER
 P:      Jonathan Buzzard
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 565e70c7ca93..4f942096291d 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1548,7 +1548,7 @@ static int __init dmi_ignore_irq0_timer_override(const struct dmi_system_id *d)
 
 /*
  * If your system is blacklisted here, but you find that acpi=force
- * works for you, please contact acpi-devel@sourceforge.net
+ * works for you, please contact linux-acpi@vger.kernel.org
  */
 static struct dmi_system_id __initdata acpi_dmi_table[] = {
         /*
diff --git a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
index 4b1c319d30c3..89c676d6caf7 100644
--- a/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
+++ b/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c
@@ -680,6 +680,18 @@ static int acpi_cpufreq_cpu_init(struct cpufreq_policy *policy)
                             perf->states[i].transition_latency * 1000;
         }
 
+        /* Check for high latency (>20uS) from buggy BIOSes, like on T42 */
+        if (perf->control_register.space_id == ACPI_ADR_SPACE_FIXED_HARDWARE &&
+            policy->cpuinfo.transition_latency > 20 * 1000) {
+                static int print_once;
+                policy->cpuinfo.transition_latency = 20 * 1000;
+                if (!print_once) {
+                        print_once = 1;
+                        printk(KERN_INFO "Capping off P-state tranision latency"
+                                " at 20 uS\n");
+                }
+        }
+
         data->max_freq = perf->states[0].core_frequency * 1000;
         /* table init */
         for (i=0; i<perf->state_count; i++) {
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index 35094f230b1e..8f62fa01a9c7 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -1146,9 +1146,10 @@ static int __init dock_init(void)
 static void __exit dock_exit(void)
 {
         struct dock_station *dock_station;
+        struct dock_station *tmp;
 
         unregister_acpi_bus_notifier(&dock_acpi_notifier);
-        list_for_each_entry(dock_station, &dock_stations, sibiling)
+        list_for_each_entry_safe(dock_station, tmp, &dock_stations, sibiling)
                 dock_remove(dock_station);
 }
 
diff --git a/drivers/acpi/pci_irq.c b/drivers/acpi/pci_irq.c
index be6b9093f8df..51b9f8280f88 100644
--- a/drivers/acpi/pci_irq.c
+++ b/drivers/acpi/pci_irq.c
@@ -86,7 +86,7 @@ static struct acpi_prt_entry *acpi_pci_irq_find_prt_entry(struct pci_dev *dev,
 }
 
 /* http://bugzilla.kernel.org/show_bug.cgi?id=4773 */
-static struct dmi_system_id medion_md9580[] = {
+static const struct dmi_system_id medion_md9580[] = {
         {
                 .ident = "Medion MD9580-F laptop",
                 .matches = {
@@ -98,7 +98,7 @@ static struct dmi_system_id medion_md9580[] = {
 };
 
 /* http://bugzilla.kernel.org/show_bug.cgi?id=5044 */
-static struct dmi_system_id dell_optiplex[] = {
+static const struct dmi_system_id dell_optiplex[] = {
         {
                 .ident = "Dell Optiplex GX1",
                 .matches = {
@@ -110,7 +110,7 @@ static struct dmi_system_id dell_optiplex[] = {
 };
 
 /* http://bugzilla.kernel.org/show_bug.cgi?id=10138 */
-static struct dmi_system_id hp_t5710[] = {
+static const struct dmi_system_id hp_t5710[] = {
         {
                 .ident = "HP t5710",
                 .matches = {
@@ -123,13 +123,13 @@ static struct dmi_system_id hp_t5710[] = {
 };
 
 struct prt_quirk {
-        struct dmi_system_id    *system;
+        const 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;
+        const char              *source;        /* according to BIOS */
+        const char              *actual_source;
 };
 
 #define PCI_INTX_PIN(c)         (c - 'A' + 1)
@@ -139,7 +139,7 @@ struct prt_quirk {
  * 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[] = {
+static const struct prt_quirk prt_quirks[] = {
         { medion_md9580, 0, 0, 9, PCI_INTX_PIN('A'),
                 "\\_SB_.PCI0.ISA_.LNKA",
                 "\\_SB_.PCI0.ISA_.LNKB"},
@@ -155,7 +155,7 @@ static void do_prt_fixups(struct acpi_prt_entry *entry,
                           struct acpi_pci_routing_table *prt)
 {
         int i;
-        struct prt_quirk *quirk;
+        const struct prt_quirk *quirk;
 
         for (i = 0; i < ARRAY_SIZE(prt_quirks); i++) {
                 quirk = &prt_quirks[i];
diff --git a/drivers/acpi/processor_throttling.c b/drivers/acpi/processor_throttling.c
index 73aed5f5b973..d0d1f4d50434 100644
--- a/drivers/acpi/processor_throttling.c
+++ b/drivers/acpi/processor_throttling.c
@@ -783,11 +783,9 @@ static int acpi_get_throttling_state(struct acpi_processor *pr,
                     (struct acpi_processor_tx_tss *)&(pr->throttling.
                                                       states_tss[i]);
                 if (tx->control == value)
-                        break;
+                        return i;
         }
-        if (i > pr->throttling.state_count)
-                i = -1;
-        return i;
+        return -1;
 }
 
 static int acpi_get_throttling_value(struct acpi_processor *pr,
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 91a284b54dbf..779e4e500df4 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -396,6 +396,15 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
                 DMI_MATCH(DMI_PRODUCT_NAME, "Satellite L300"),
                 },
         },
+        {
+        .callback = init_old_suspend_ordering,
+        .ident = "Panasonic CF51-2L",
+        .matches = {
+                DMI_MATCH(DMI_BOARD_VENDOR,
+                                "Matsushita Electric Industrial Co.,Ltd."),
+                DMI_MATCH(DMI_BOARD_NAME, "CF51-2L"),
+                },
+        },
         {},
 };
 #endif /* CONFIG_SUSPEND */
diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c
index c47a44dcb702..a5ce4bc202e3 100644
--- a/drivers/platform/x86/panasonic-laptop.c
+++ b/drivers/platform/x86/panasonic-laptop.c
@@ -184,6 +184,7 @@ static const struct acpi_device_id pcc_device_ids[] = {
         { "MAT0019", 0},
         { "", 0},
 };
+MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
 
 static struct acpi_driver acpi_pcc_driver = {
         .name =         ACPI_PCC_DRIVER_NAME,
@@ -366,7 +367,7 @@ static ssize_t show_numbatt(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_NUM_BATTERIES]);
 }
 
 static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
@@ -378,7 +379,7 @@ static ssize_t show_lcdtype(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_LCD_TYPE]);
 }
 
 static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
@@ -390,7 +391,7 @@ static ssize_t show_mute(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_MUTE]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_MUTE]);
 }
 
 static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
@@ -402,7 +403,7 @@ static ssize_t show_sticky(struct device *dev, struct device_attribute *attr,
         if (!acpi_pcc_retrieve_biosdata(pcc, pcc->sinf))
                 return -EIO;
 
-        return sprintf(buf, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
+        return snprintf(buf, PAGE_SIZE, "%u\n", pcc->sinf[SINF_STICKY_KEY]);
 }
 
 static ssize_t set_sticky(struct device *dev, struct device_attribute *attr,
diff --git a/drivers/platform/x86/tc1100-wmi.c b/drivers/platform/x86/tc1100-wmi.c
index b4a4aa9ee482..44166003d4ef 100644
--- a/drivers/platform/x86/tc1100-wmi.c
+++ b/drivers/platform/x86/tc1100-wmi.c
@@ -94,9 +94,8 @@ static int get_state(u32 *out, u8 instance)
                 return -ENODEV;
 
         obj = (union acpi_object *) result.pointer;
-        if (obj && obj->type == ACPI_TYPE_BUFFER &&
-                obj->buffer.length == sizeof(u32)) {
-                tmp = *((u32 *) obj->buffer.pointer);
+        if (obj && obj->type == ACPI_TYPE_INTEGER) {
+                tmp = obj->integer.value;
         } else {
                 tmp = 0;
         }
@@ -109,7 +108,7 @@ static int get_state(u32 *out, u8 instance)
                 *out = (tmp == 3) ? 1 : 0;
                 return 0;
         case TC1100_INSTANCE_JOGDIAL:
-                *out = (tmp == 1) ? 1 : 0;
+                *out = (tmp == 1) ? 0 : 1;
                 return 0;
         default:
                 return -ENODEV;