Merge linux-stable 3.0.28 into android-3.0

Change-Id: Iee820738e53627f5d0447a87ceff34443aa72786
Signed-off-by: Todd Poynor <toddpoynor@google.com>

8 files changed, 119 insertions, 15 deletions

diff --git a/drivers/acpi/acpica/dsargs.c b/drivers/acpi/acpica/dsargs.c
index 8c7b997..42163d8 100644
--- a/drivers/acpi/acpica/dsargs.c
+++ b/drivers/acpi/acpica/dsargs.c
@@ -387,5 +387,29 @@ acpi_status acpi_ds_get_region_arguments(union acpi_operand_object *obj_desc)
 	status = acpi_ds_execute_arguments(node, node->parent,
 					   extra_desc->extra.aml_length,
 					   extra_desc->extra.aml_start);
+	if (ACPI_FAILURE(status)) {
+		return_ACPI_STATUS(status);
+	}
+
+	/* Validate the region address/length via the host OS */
+
+	status = acpi_os_validate_address(obj_desc->region.space_id,
+					  obj_desc->region.address,
+					  (acpi_size) obj_desc->region.length,
+					  acpi_ut_get_node_name(node));
+
+	if (ACPI_FAILURE(status)) {
+		/*
+		 * Invalid address/length. We will emit an error message and mark
+		 * the region as invalid, so that it will cause an additional error if
+		 * it is ever used. Then return AE_OK.
+		 */
+		ACPI_EXCEPTION((AE_INFO, status,
+				"During address validation of OpRegion [%4.4s]",
+				node->name.ascii));
+		obj_desc->common.flags |= AOPOBJ_INVALID;
+		status = AE_OK;
+	}
+
 	return_ACPI_STATUS(status);
 }
diff --git a/drivers/acpi/acpica/tbfadt.c b/drivers/acpi/acpica/tbfadt.c
index 6f5588e..4c531b4 100644
--- a/drivers/acpi/acpica/tbfadt.c
+++ b/drivers/acpi/acpica/tbfadt.c
@@ -350,10 +350,6 @@ static void acpi_tb_convert_fadt(void)
 	u32 address32;
 	u32 i;
 
-	/* Update the local FADT table header length */
-
-	acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
-
 	/*
 	 * Expand the 32-bit FACS and DSDT addresses to 64-bit as necessary.
 	 * Later code will always use the X 64-bit field. Also, check for an
@@ -395,6 +391,10 @@ static void acpi_tb_convert_fadt(void)
 		acpi_gbl_FADT.boot_flags = 0;
 	}
 
+	/* Update the local FADT table header length */
+
+	acpi_gbl_FADT.header.length = sizeof(struct acpi_table_fadt);
+
 	/*
 	 * Expand the ACPI 1.0 32-bit addresses to the ACPI 2.0 64-bit "X"
 	 * generic address structures as necessary. Later code will always use
diff --git a/drivers/acpi/atomicio.c b/drivers/acpi/atomicio.c
index 7489b89..f151afe 100644
--- a/drivers/acpi/atomicio.c
+++ b/drivers/acpi/atomicio.c
@@ -76,7 +76,7 @@ static void __iomem *__acpi_ioremap_fast(phys_addr_t paddr,
 {
 	struct acpi_iomap *map;
 
-	map = __acpi_find_iomap(paddr, size);
+	map = __acpi_find_iomap(paddr, size/8);
 	if (map)
 		return map->vaddr + (paddr - map->paddr);
 	else
diff --git a/drivers/acpi/numa.c b/drivers/acpi/numa.c
index 3b5c318..e56f3be 100644
--- a/drivers/acpi/numa.c
+++ b/drivers/acpi/numa.c
@@ -45,6 +45,8 @@ static int pxm_to_node_map[MAX_PXM_DOMAINS]
 static int node_to_pxm_map[MAX_NUMNODES]
 			= { [0 ... MAX_NUMNODES - 1] = PXM_INVAL };
 
+unsigned char acpi_srat_revision __initdata;
+
 int pxm_to_node(int pxm)
 {
 	if (pxm < 0)
@@ -255,9 +257,13 @@ acpi_parse_memory_affinity(struct acpi_subtable_header * header,
 
 static int __init acpi_parse_srat(struct acpi_table_header *table)
 {
+	struct acpi_table_srat *srat;
 	if (!table)
 		return -EINVAL;
 
+	srat = (struct acpi_table_srat *)table;
+	acpi_srat_revision = srat->header.revision;
+
 	/* Real work done in acpi_table_parse_srat below. */
 
 	return 0;
diff --git a/drivers/acpi/pci_root.c b/drivers/acpi/pci_root.c
index d06078d..dfafecb 100644
--- a/drivers/acpi/pci_root.c
+++ b/drivers/acpi/pci_root.c
@@ -595,6 +595,13 @@ static int __devinit acpi_pci_root_add(struct acpi_device *device)
 		if (ACPI_SUCCESS(status)) {
 			dev_info(root->bus->bridge,
 				"ACPI _OSC control (0x%02x) granted\n", flags);
+			if (acpi_gbl_FADT.boot_flags & ACPI_FADT_NO_ASPM) {
+				/*
+				 * We have ASPM control, but the FADT indicates
+				 * that it's unsupported. Clear it.
+				 */
+				pcie_clear_aspm(root->bus);
+			}
 		} else {
 			dev_info(root->bus->bridge,
 				"ACPI _OSC request failed (%s), "
diff --git a/drivers/acpi/processor_core.c b/drivers/acpi/processor_core.c
index 02d2a4c..0c0669f 100644
--- a/drivers/acpi/processor_core.c
+++ b/drivers/acpi/processor_core.c
@@ -172,8 +172,30 @@ int acpi_get_cpuid(acpi_handle handle, int type, u32 acpi_id)
 	apic_id = map_mat_entry(handle, type, acpi_id);
 	if (apic_id == -1)
 		apic_id = map_madt_entry(type, acpi_id);
-	if (apic_id == -1)
-		return apic_id;
+	if (apic_id == -1) {
+		/*
+		 * On UP processor, there is no _MAT or MADT table.
+		 * So above apic_id is always set to -1.
+		 *
+		 * BIOS may define multiple CPU handles even for UP processor.
+		 * For example,
+		 *
+		 * Scope (_PR)
+                 * {
+		 *     Processor (CPU0, 0x00, 0x00000410, 0x06) {}
+		 *     Processor (CPU1, 0x01, 0x00000410, 0x06) {}
+		 *     Processor (CPU2, 0x02, 0x00000410, 0x06) {}
+		 *     Processor (CPU3, 0x03, 0x00000410, 0x06) {}
+		 * }
+		 *
+		 * Ignores apic_id and always return 0 for CPU0's handle.
+		 * Return -1 for other CPU's handle.
+		 */
+		if (acpi_id == 0)
+			return acpi_id;
+		else
+			return apic_id;
+	}
 
 #ifdef CONFIG_SMP
 	for_each_possible_cpu(i) {
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c
index 79cb653..3854df2 100644
--- a/drivers/acpi/processor_thermal.c
+++ b/drivers/acpi/processor_thermal.c
@@ -58,6 +58,27 @@ ACPI_MODULE_NAME("processor_thermal");
 static DEFINE_PER_CPU(unsigned int, cpufreq_thermal_reduction_pctg);
 static unsigned int acpi_thermal_cpufreq_is_init = 0;
 
+#define reduction_pctg(cpu) \
+	per_cpu(cpufreq_thermal_reduction_pctg, phys_package_first_cpu(cpu))
+
+/*
+ * Emulate "per package data" using per cpu data (which should really be
+ * provided elsewhere)
+ *
+ * Note we can lose a CPU on cpu hotunplug, in this case we forget the state
+ * temporarily. Fortunately that's not a big issue here (I hope)
+ */
+static int phys_package_first_cpu(int cpu)
+{
+	int i;
+	int id = topology_physical_package_id(cpu);
+
+	for_each_online_cpu(i)
+		if (topology_physical_package_id(i) == id)
+			return i;
+	return 0;
+}
+
 static int cpu_has_cpufreq(unsigned int cpu)
 {
 	struct cpufreq_policy policy;
@@ -77,7 +98,7 @@ static int acpi_thermal_cpufreq_notifier(struct notifier_block *nb,
 
 	max_freq = (
 	    policy->cpuinfo.max_freq *
-	    (100 - per_cpu(cpufreq_thermal_reduction_pctg, policy->cpu) * 20)
+	    (100 - reduction_pctg(policy->cpu) * 20)
 	) / 100;
 
 	cpufreq_verify_within_limits(policy, 0, max_freq);
@@ -103,16 +124,28 @@ static int cpufreq_get_cur_state(unsigned int cpu)
 	if (!cpu_has_cpufreq(cpu))
 		return 0;
 
-	return per_cpu(cpufreq_thermal_reduction_pctg, cpu);
+	return reduction_pctg(cpu);
 }
 
 static int cpufreq_set_cur_state(unsigned int cpu, int state)
 {
+	int i;
+
 	if (!cpu_has_cpufreq(cpu))
 		return 0;
 
-	per_cpu(cpufreq_thermal_reduction_pctg, cpu) = state;
-	cpufreq_update_policy(cpu);
+	reduction_pctg(cpu) = state;
+
+	/*
+	 * Update all the CPUs in the same package because they all
+	 * contribute to the temperature and often share the same
+	 * frequency.
+	 */
+	for_each_online_cpu(i) {
+		if (topology_physical_package_id(i) ==
+		    topology_physical_package_id(cpu))
+			cpufreq_update_policy(i);
+	}
 	return 0;
 }
 
@@ -120,10 +153,6 @@ void acpi_thermal_cpufreq_init(void)
 {
 	int i;
 
-	for (i = 0; i < nr_cpu_ids; i++)
-		if (cpu_present(i))
-			per_cpu(cpufreq_thermal_reduction_pctg, i) = 0;
-
 	i = cpufreq_register_notifier(&acpi_thermal_cpufreq_notifier_block,
 				      CPUFREQ_POLICY_NOTIFIER);
 	if (!i)
diff --git a/drivers/acpi/sleep.c b/drivers/acpi/sleep.c
index 6c94960..0bd4832 100644
--- a/drivers/acpi/sleep.c
+++ b/drivers/acpi/sleep.c
@@ -428,6 +428,22 @@ static struct dmi_system_id __initdata acpisleep_dmi_table[] = {
 		DMI_MATCH(DMI_PRODUCT_NAME, "1000 Series"),
 		},
 	},
+	{
+	.callback = init_nvs_nosave,
+	.ident = "Asus K54C",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "K54C"),
+		},
+	},
+	{
+	.callback = init_nvs_nosave,
+	.ident = "Asus K54HR",
+	.matches = {
+		DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+		DMI_MATCH(DMI_PRODUCT_NAME, "K54HR"),
+		},
+	},
 	{},
 };
 #endif /* CONFIG_SUSPEND */