Merge branches 'bugzilla-14446', 'bugzilla-14753' and 'bugzilla-14824' into release

drivers/acpi/Makefile

@@ -32,6 +32,7 @@ acpi-$(CONFIG_ACPI_SLEEP)	+= proc.o
 #
 acpi-y				+= bus.o glue.o
 acpi-y				+= scan.o
+acpi-y				+= processor_pdc.o
 acpi-y				+= ec.o
 acpi-$(CONFIG_ACPI_DOCK)	+= dock.o
 acpi-y				+= pci_root.o pci_link.o pci_irq.o pci_bind.o

drivers/acpi/blacklist.c

@@ -185,6 +185,12 @@ static int __init dmi_disable_osi_vista(const struct dmi_system_id *d)
 	acpi_osi_setup("!Windows 2006");
 	return 0;
 }
+static int __init dmi_disable_osi_win7(const struct dmi_system_id *d)
+{
+	printk(KERN_NOTICE PREFIX "DMI detected: %s\n", d->ident);
+	acpi_osi_setup("!Windows 2009");
+	return 0;
+}
 
 static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 	{
@@ -211,6 +217,14 @@ static struct dmi_system_id acpi_osi_dmi_table[] __initdata = {
 		     DMI_MATCH(DMI_PRODUCT_NAME, "Sony VGN-SR290J"),
 		},
 	},
+	{
+	.callback = dmi_disable_osi_win7,
+	.ident = "ASUS K50IJ",
+	.matches = {
+		     DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		     DMI_MATCH(DMI_PRODUCT_NAME, "K50IJ"),
+		},
+	},
 
 	/*
 	 * BIOS invocation of _OSI(Linux) is almost always a BIOS bug.

drivers/acpi/bus.c

@@ -898,6 +898,8 @@ static int __init acpi_bus_init(void)
 		goto error1;
 	}
 
+	acpi_early_processor_set_pdc();
+
 	/*
 	 * Maybe EC region is required at bus_scan/acpi_get_devices. So it
 	 * is necessary to enable it as early as possible.

drivers/acpi/ec.c

@@ -916,6 +916,7 @@ static int ec_validate_ecdt(const struct dmi_system_id *id)
 /* MSI EC needs special treatment, enable it */
 static int ec_flag_msi(const struct dmi_system_id *id)
 {
+	printk(KERN_DEBUG PREFIX "Detected MSI hardware, enabling workarounds.\n");
 	EC_FLAGS_MSI = 1;
 	EC_FLAGS_VALIDATE_ECDT = 1;
 	return 0;
@@ -928,8 +929,13 @@ static struct dmi_system_id __initdata ec_dmi_table[] = {
 	DMI_MATCH(DMI_BOARD_NAME, "JFL92") }, NULL},
 	{
 	ec_flag_msi, "MSI hardware", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star"),
-	DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star") }, NULL},
+	DMI_MATCH(DMI_BIOS_VENDOR, "Micro-Star")}, NULL},
+	{
+	ec_flag_msi, "MSI hardware", {
+	DMI_MATCH(DMI_SYS_VENDOR, "Micro-Star")}, NULL},
+	{
+	ec_flag_msi, "MSI hardware", {
+	DMI_MATCH(DMI_CHASSIS_VENDOR, "MICRO-Star")}, NULL},
 	{
 	ec_validate_ecdt, "ASUS hardware", {
 	DMI_MATCH(DMI_BIOS_VENDOR, "ASUS") }, NULL},

drivers/acpi/internal.h

@@ -43,6 +43,7 @@ int acpi_power_transition(struct acpi_device *device, int state);
 extern int acpi_power_nocheck;
 
 int acpi_wakeup_device_init(void);
+void acpi_early_processor_set_pdc(void);
 
 /* --------------------------------------------------------------------------
                                   Embedded Controller

drivers/acpi/processor_core.c

@@ -124,29 +124,6 @@ static const struct file_operations acpi_processor_info_fops = {
 
 DEFINE_PER_CPU(struct acpi_processor *, processors);
 struct acpi_processor_errata errata __read_mostly;
-static int set_no_mwait(const struct dmi_system_id *id)
-{
-	printk(KERN_NOTICE PREFIX "%s detected - "
-		"disabling mwait for CPU C-states\n", id->ident);
-	idle_nomwait = 1;
-	return 0;
-}
-
-static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
-	{
-	set_no_mwait, "IFL91 board", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
-	DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
-	DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
-	DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
-	{
-	set_no_mwait, "Extensa 5220", {
-	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
-	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
-	DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
-	DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
-	{},
-};
 
 /* --------------------------------------------------------------------------
                                 Errata Handling
@@ -276,45 +253,6 @@ static int acpi_processor_errata(struct acpi_processor *pr)
 	return result;
 }
 
-/* --------------------------------------------------------------------------
-                              Common ACPI processor functions
-   -------------------------------------------------------------------------- */
-
-/*
- * _PDC is required for a BIOS-OS handshake for most of the newer
- * ACPI processor features.
- */
-static int acpi_processor_set_pdc(struct acpi_processor *pr)
-{
-	struct acpi_object_list *pdc_in = pr->pdc;
-	acpi_status status = AE_OK;
-
-
-	if (!pdc_in)
-		return status;
-	if (idle_nomwait) {
-		/*
-		 * If mwait is disabled for CPU C-states, the C2C3_FFH access
-		 * mode will be disabled in the parameter of _PDC object.
-		 * Of course C1_FFH access mode will also be disabled.
-		 */
-		union acpi_object *obj;
-		u32 *buffer = NULL;
-
-		obj = pdc_in->pointer;
-		buffer = (u32 *)(obj->buffer.pointer);
-		buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
-
-	}
-	status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
-
-	if (ACPI_FAILURE(status))
-		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
-		    "Could not evaluate _PDC, using legacy perf. control...\n"));
-
-	return status;
-}
-
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
@@ -825,9 +763,7 @@ static int __cpuinit acpi_processor_add(struct acpi_device *device)
 	}
 
 	/* _PDC call should be done before doing anything else (if reqd.). */
-	arch_acpi_processor_init_pdc(pr);
 	acpi_processor_set_pdc(pr);
-	arch_acpi_processor_cleanup_pdc(pr);
 
 #ifdef CONFIG_CPU_FREQ
 	acpi_processor_ppc_has_changed(pr, 0);
@@ -1145,11 +1081,6 @@ static int __init acpi_processor_init(void)
 	if (!acpi_processor_dir)
 		return -ENOMEM;
 #endif
-	/*
-	 * Check whether the system is DMI table. If yes, OSPM
-	 * should not use mwait for CPU-states.
-	 */
-	dmi_check_system(processor_idle_dmi_table);
 	result = cpuidle_register_driver(&acpi_idle_driver);
 	if (result < 0)
 		goto out_proc;

drivers/acpi/processor_pdc.c

+#include <linux/dmi.h>
+
+#include <acpi/acpi_drivers.h>
+#include <acpi/processor.h>
+
+#include "internal.h"
+
+#define PREFIX			"ACPI: "
+#define _COMPONENT		ACPI_PROCESSOR_COMPONENT
+ACPI_MODULE_NAME("processor_pdc");
+
+static int set_no_mwait(const struct dmi_system_id *id)
+{
+	printk(KERN_NOTICE PREFIX "%s detected - "
+		"disabling mwait for CPU C-states\n", id->ident);
+	idle_nomwait = 1;
+	return 0;
+}
+
+static struct dmi_system_id __cpuinitdata processor_idle_dmi_table[] = {
+	{
+	set_no_mwait, "IFL91 board", {
+	DMI_MATCH(DMI_BIOS_VENDOR, "COMPAL"),
+	DMI_MATCH(DMI_SYS_VENDOR, "ZEPTO"),
+	DMI_MATCH(DMI_PRODUCT_VERSION, "3215W"),
+	DMI_MATCH(DMI_BOARD_NAME, "IFL91") }, NULL},
+	{
+	set_no_mwait, "Extensa 5220", {
+	DMI_MATCH(DMI_BIOS_VENDOR, "Phoenix Technologies LTD"),
+	DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+	DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
+	DMI_MATCH(DMI_BOARD_NAME, "Columbia") }, NULL},
+	{},
+};
+
+/*
+ * _PDC is required for a BIOS-OS handshake for most of the newer
+ * ACPI processor features.
+ */
+static int acpi_processor_eval_pdc(struct acpi_processor *pr)
+{
+	struct acpi_object_list *pdc_in = pr->pdc;
+	acpi_status status = AE_OK;
+
+	if (!pdc_in)
+		return status;
+	if (idle_nomwait) {
+		/*
+		 * If mwait is disabled for CPU C-states, the C2C3_FFH access
+		 * mode will be disabled in the parameter of _PDC object.
+		 * Of course C1_FFH access mode will also be disabled.
+		 */
+		union acpi_object *obj;
+		u32 *buffer = NULL;
+
+		obj = pdc_in->pointer;
+		buffer = (u32 *)(obj->buffer.pointer);
+		buffer[2] &= ~(ACPI_PDC_C_C2C3_FFH | ACPI_PDC_C_C1_FFH);
+
+	}
+	status = acpi_evaluate_object(pr->handle, "_PDC", pdc_in, NULL);
+
+	if (ACPI_FAILURE(status))
+		ACPI_DEBUG_PRINT((ACPI_DB_INFO,
+		    "Could not evaluate _PDC, using legacy perf. control.\n"));
+
+	return status;
+}
+
+void acpi_processor_set_pdc(struct acpi_processor *pr)
+{
+	arch_acpi_processor_init_pdc(pr);
+	acpi_processor_eval_pdc(pr);
+	arch_acpi_processor_cleanup_pdc(pr);
+}
+EXPORT_SYMBOL_GPL(acpi_processor_set_pdc);
+
+static acpi_status
+early_init_pdc(acpi_handle handle, u32 lvl, void *context, void **rv)
+{
+	struct acpi_processor pr;
+
+	pr.handle = handle;
+
+	/* x86 implementation looks at pr.id to determine some
+	 * CPU capabilites. We can just hard code to 0 since we're
+	 * assuming the CPUs in the system are homogenous and all
+	 * have the same capabilities.
+	 */
+	pr.id = 0;
+
+	acpi_processor_set_pdc(&pr);
+
+	return AE_OK;
+}
+
+void acpi_early_processor_set_pdc(void)
+{
+	/*
+	 * Check whether the system is DMI table. If yes, OSPM
+	 * should not use mwait for CPU-states.
+	 */
+	dmi_check_system(processor_idle_dmi_table);
+
+	acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
+			    ACPI_UINT32_MAX,
+			    early_init_pdc, NULL, NULL, NULL);
+}

include/acpi/processor.h

@@ -325,6 +325,9 @@ static inline int acpi_processor_get_bios_limit(int cpu, unsigned int *limit)
 
 #endif				/* CONFIG_CPU_FREQ */
 
+/* in processor_pdc.c */
+void acpi_processor_set_pdc(struct acpi_processor *pr);
+
 /* in processor_throttling.c */
 int acpi_processor_tstate_has_changed(struct acpi_processor *pr);
 int acpi_processor_get_throttling_info(struct acpi_processor *pr);