---

yaml
---
r: 108572
b: refs/heads/master
c: a2bd920
h: refs/heads/master
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: a6006834866229aa40393ae1dac7ecf05b11e6e0
+refs/heads/master: a2bd92023357e47f22a34d4cb1635453546662bc

trunk/arch/x86/mm/ioremap.c

@@ -170,7 +170,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
 	phys_addr &= PAGE_MASK;
 	size = PAGE_ALIGN(last_addr+1) - phys_addr;
 
-	retval = reserve_memtype(phys_addr, (u64)phys_addr + size,
+	retval = reserve_memtype(phys_addr, phys_addr + size,
 						prot_val, &new_prot_val);
 	if (retval) {
 		pr_debug("Warning: reserve_memtype returned %d\n", retval);

trunk/drivers/acpi/dock.c

@@ -563,23 +563,18 @@ EXPORT_SYMBOL_GPL(unregister_hotplug_dock_device);
  */
 static int handle_eject_request(struct dock_station *ds, u32 event)
 {
+	if (!dock_present(ds))
+		return -ENODEV;
+
 	if (dock_in_progress(ds))
 		return -EBUSY;
 
 	/*
 	 * here we need to generate the undock
 	 * event prior to actually doing the undock
 	 * so that the device struct still exists.
-	 * Also, even send the dock event if the
-	 * device is not present anymore
 	 */
 	dock_event(ds, event, UNDOCK_EVENT);
-
-	if (!dock_present(ds)) {
-		complete_undock(ds);
-		return -ENODEV;
-	}
-
 	hotplug_dock_devices(ds, ACPI_NOTIFY_EJECT_REQUEST);
 	undock(ds);
 	eject_dock(ds);

trunk/drivers/acpi/ec.c

@@ -110,31 +110,6 @@ static struct acpi_ec {
 	u8 handlers_installed;
 } *boot_ec, *first_ec;
 
-/* 
- * Some Asus system have exchanged ECDT data/command IO addresses.
- */
-static int print_ecdt_error(const struct dmi_system_id *id)
-{
-	printk(KERN_NOTICE PREFIX "%s detected - "
-		"ECDT has exchanged control/data I/O address\n",
-		id->ident);
-	return 0;
-}
-
-static struct dmi_system_id __cpuinitdata ec_dmi_table[] = {
-	{
-	print_ecdt_error, "Asus L4R", {
-	DMI_MATCH(DMI_BIOS_VERSION, "1008.006"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "L4R"),
-	DMI_MATCH(DMI_BOARD_NAME, "L4R") }, NULL},
-	{
-	print_ecdt_error, "Asus M6R", {
-	DMI_MATCH(DMI_BIOS_VERSION, "0207"),
-	DMI_MATCH(DMI_PRODUCT_NAME, "M6R"),
-	DMI_MATCH(DMI_BOARD_NAME, "M6R") }, NULL},
-	{},
-};
-
 /* --------------------------------------------------------------------------
                              Transaction Management
    -------------------------------------------------------------------------- */
@@ -221,8 +196,6 @@ static int acpi_ec_wait(struct acpi_ec *ec, enum ec_event event, int force_poll)
 				return 0;
 			msleep(1);
 		}
-		if (acpi_ec_check_status(ec,event))
-			return 0;
 	}
 	pr_err(PREFIX "acpi_ec_wait timeout, status = 0x%2.2x, event = %s\n",
 		acpi_ec_read_status(ec),
@@ -938,15 +911,6 @@ int __init acpi_ec_ecdt_probe(void)
 		pr_info(PREFIX "EC description table is found, configuring boot EC\n");
 		boot_ec->command_addr = ecdt_ptr->control.address;
 		boot_ec->data_addr = ecdt_ptr->data.address;
-		if (dmi_check_system(ec_dmi_table)) {
-			/*
-			 * If the board falls into ec_dmi_table, it means
-			 * that ECDT table gives the incorrect command/status
-			 * & data I/O address. Just fix it.
-			 */
-			boot_ec->data_addr = ecdt_ptr->control.address;
-			boot_ec->command_addr = ecdt_ptr->data.address;
-		}
 		boot_ec->gpe = ecdt_ptr->gpe;
 		boot_ec->handle = ACPI_ROOT_OBJECT;
 		acpi_get_handle(ACPI_ROOT_OBJECT, ecdt_ptr->id, &boot_ec->handle);

trunk/drivers/acpi/executer/exconfig.c

@@ -479,8 +479,5 @@ acpi_status acpi_ex_unload_table(union acpi_operand_object *ddb_handle)
 
 	acpi_tb_set_table_loaded_flag(table_index, FALSE);
 
-	/* Table unloaded, remove a reference to the ddb_handle object */
-
-	acpi_ut_remove_reference(ddb_handle);
 	return_ACPI_STATUS(AE_OK);
 }

trunk/drivers/acpi/namespace/nsnames.c

@@ -56,14 +56,13 @@ ACPI_MODULE_NAME("nsnames")
  *              Size            - Size of the pathname
  *              *name_buffer    - Where to return the pathname
  *
- * RETURN:      Status
- *              Places the pathname into the name_buffer, in external format
+ * RETURN:      Places the pathname into the name_buffer, in external format
  *              (name segments separated by path separators)
  *
  * DESCRIPTION: Generate a full pathaname
  *
  ******************************************************************************/
-acpi_status
+void
 acpi_ns_build_external_path(struct acpi_namespace_node *node,
 			    acpi_size size, char *name_buffer)
 {
@@ -78,7 +77,7 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 	if (index < ACPI_NAME_SIZE) {
 		name_buffer[0] = AML_ROOT_PREFIX;
 		name_buffer[1] = 0;
-		return (AE_OK);
+		return;
 	}
 
 	/* Store terminator byte, then build name backwards */
@@ -106,13 +105,11 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 
 	if (index != 0) {
 		ACPI_ERROR((AE_INFO,
-			    "Could not construct external pathname; index=%X, size=%X, Path=%s",
+			    "Could not construct pathname; index=%X, size=%X, Path=%s",
 			    (u32) index, (u32) size, &name_buffer[size]));
-
-		return (AE_BAD_PARAMETER);
 	}
 
-	return (AE_OK);
+	return;
 }
 
 #ifdef ACPI_DEBUG_OUTPUT
@@ -132,7 +129,6 @@ acpi_ns_build_external_path(struct acpi_namespace_node *node,
 
 char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 {
-	acpi_status status;
 	char *name_buffer;
 	acpi_size size;
 
@@ -142,7 +138,8 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	size = acpi_ns_get_pathname_length(node);
 	if (!size) {
-		return (NULL);
+		ACPI_ERROR((AE_INFO, "Invalid node failure"));
+		return_PTR(NULL);
 	}
 
 	/* Allocate a buffer to be returned to caller */
@@ -155,11 +152,7 @@ char *acpi_ns_get_external_pathname(struct acpi_namespace_node *node)
 
 	/* Build the path in the allocated buffer */
 
-	status = acpi_ns_build_external_path(node, size, name_buffer);
-	if (ACPI_FAILURE(status)) {
-		return (NULL);
-	}
-
+	acpi_ns_build_external_path(node, size, name_buffer);
 	return_PTR(name_buffer);
 }
 #endif
@@ -193,7 +186,7 @@ acpi_size acpi_ns_get_pathname_length(struct acpi_namespace_node *node)
 	while (next_node && (next_node != acpi_gbl_root_node)) {
 		if (ACPI_GET_DESCRIPTOR_TYPE(next_node) != ACPI_DESC_TYPE_NAMED) {
 			ACPI_ERROR((AE_INFO,
-				    "Invalid Namespace Node (%p) while traversing namespace",
+				    "Invalid NS Node (%p) while traversing path",
 				    next_node));
 			return 0;
 		}
@@ -241,7 +234,8 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
 
 	required_size = acpi_ns_get_pathname_length(node);
 	if (!required_size) {
-		return_ACPI_STATUS(AE_BAD_PARAMETER);
+		ACPI_ERROR((AE_INFO, "Invalid node failure"));
+		return_ACPI_STATUS(AE_ERROR);
 	}
 
 	/* Validate/Allocate/Clear caller buffer */
@@ -253,11 +247,7 @@ acpi_ns_handle_to_pathname(acpi_handle target_handle,
 
 	/* Build the path in the caller buffer */
 
-	status =
-	    acpi_ns_build_external_path(node, required_size, buffer->pointer);
-	if (ACPI_FAILURE(status)) {
-		return_ACPI_STATUS(status);
-	}
+	acpi_ns_build_external_path(node, required_size, buffer->pointer);
 
 	ACPI_DEBUG_PRINT((ACPI_DB_EXEC, "%s [%X]\n",
 			  (char *)buffer->pointer, (u32) required_size));

trunk/drivers/acpi/pci_link.c

@@ -849,7 +849,7 @@ static int __init acpi_irq_penalty_update(char *str, int used)
 		if (irq < 0)
 			continue;
 
-		if (irq >= ARRAY_SIZE(acpi_irq_penalty))
+		if (irq >= ACPI_MAX_IRQS)
 			continue;
 
 		if (used)
@@ -872,12 +872,10 @@ static int __init acpi_irq_penalty_update(char *str, int used)
  */
 void acpi_penalize_isa_irq(int irq, int active)
 {
-	if (irq >= 0 && irq < ARRAY_SIZE(acpi_irq_penalty)) {
-		if (active)
-			acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED;
-		else
-			acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
-	}
+	if (active)
+		acpi_irq_penalty[irq] += PIRQ_PENALTY_ISA_USED;
+	else
+		acpi_irq_penalty[irq] += PIRQ_PENALTY_PCI_USING;
 }
 
 /*

trunk/drivers/acpi/processor_core.c

@@ -123,7 +123,7 @@ 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);
+		"disable mwait for CPU C-stetes\n", id->ident);
 	idle_nomwait = 1;
 	return 0;
 }

trunk/drivers/acpi/processor_idle.c

@@ -41,6 +41,7 @@
 #include <linux/pm_qos_params.h>
 #include <linux/clockchips.h>
 #include <linux/cpuidle.h>
+#include <linux/cpuidle.h>
 
 /*
  * Include the apic definitions for x86 to have the APIC timer related defines

trunk/drivers/acpi/processor_perflib.c

@@ -70,7 +70,7 @@ static DEFINE_MUTEX(performance_mutex);
  *  0 -> cpufreq low level drivers initialized -> consider _PPC values
  *  1 -> ignore _PPC totally -> forced by user through boot param
  */
-static int ignore_ppc = -1;
+static unsigned int ignore_ppc = -1;
 module_param(ignore_ppc, uint, 0644);
 MODULE_PARM_DESC(ignore_ppc, "If the frequency of your machine gets wrongly" \
 		 "limited by BIOS, this should help");

trunk/drivers/acpi/resources/rscalc.c

@@ -587,9 +587,6 @@ acpi_rs_get_pci_routing_table_length(union acpi_operand_object *package_object,
 			} else {
 				temp_size_needed +=
 				    acpi_ns_get_pathname_length((*sub_object_list)->reference.node);
-				if (!temp_size_needed) {
-					return_ACPI_STATUS(AE_BAD_PARAMETER);
-				}
 			}
 		} else {
 			/*

trunk/drivers/acpi/utilities/utalloc.c

@@ -242,12 +242,10 @@ acpi_ut_initialize_buffer(struct acpi_buffer * buffer,
 {
 	acpi_status status = AE_OK;
 
-	/* Parameter validation */
-
-	if (!buffer || !required_length) {
-		return (AE_BAD_PARAMETER);
+	if (!required_length) {
+		WARN_ON(1);
+		return AE_ERROR;
 	}
-
 	switch (buffer->length) {
 	case ACPI_NO_BUFFER:
 

trunk/drivers/acpi/utilities/utdelete.c

@@ -135,25 +135,16 @@ static void acpi_ut_delete_internal_obj(union acpi_operand_object *object)
 		obj_pointer = object->package.elements;
 		break;
 
-		/*
-		 * These objects have a possible list of notify handlers.
-		 * Device object also may have a GPE block.
-		 */
 	case ACPI_TYPE_DEVICE:
 
 		if (object->device.gpe_block) {
 			(void)acpi_ev_delete_gpe_block(object->device.
 						       gpe_block);
 		}
 
-		/*lint -fallthrough */
-
-	case ACPI_TYPE_PROCESSOR:
-	case ACPI_TYPE_THERMAL:
-
-		/* Walk the notify handler list for this object */
+		/* Walk the handler list for this device */
 
-		handler_desc = object->common_notify.handler;
+		handler_desc = object->device.handler;
 		while (handler_desc) {
 			next_desc = handler_desc->address_space.next;
 			acpi_ut_remove_reference(handler_desc);

trunk/drivers/acpi/utilities/utobject.c

@@ -425,7 +425,6 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 			       acpi_size * obj_length)
 {
 	acpi_size length;
-	acpi_size size;
 	acpi_status status = AE_OK;
 
 	ACPI_FUNCTION_TRACE_PTR(ut_get_simple_object_size, internal_object);
@@ -485,14 +484,10 @@ acpi_ut_get_simple_object_size(union acpi_operand_object *internal_object,
 			 * Get the actual length of the full pathname to this object.
 			 * The reference will be converted to the pathname to the object
 			 */
-			size =
-			    acpi_ns_get_pathname_length(internal_object->
-							reference.node);
-			if (!size) {
-				return_ACPI_STATUS(AE_BAD_PARAMETER);
-			}
-
-			length += ACPI_ROUND_UP_TO_NATIVE_WORD(size);
+			length +=
+			    ACPI_ROUND_UP_TO_NATIVE_WORD
+			    (acpi_ns_get_pathname_length
+			     (internal_object->reference.node));
 			break;
 
 		default:

trunk/drivers/acpi/wmi.c

@@ -347,7 +347,7 @@ struct acpi_buffer *out)
 	strcpy(method, "WQ");
 	strncat(method, block->object_id, 2);
 
-	status = acpi_evaluate_object(handle, method, &input, out);
+	status = acpi_evaluate_object(handle, method, NULL, out);
 
 	/*
 	 * If ACPI_WMI_EXPENSIVE, call the relevant WCxx method, even if

trunk/drivers/cpuidle/governors/ladder.c

@@ -67,10 +67,17 @@ static int ladder_select_state(struct cpuidle_device *dev)
 	struct ladder_device *ldev = &__get_cpu_var(ladder_devices);
 	struct ladder_device_state *last_state;
 	int last_residency, last_idx = ldev->last_state_idx;
+	int latency_req = pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY);
 
 	if (unlikely(!ldev))
 		return 0;
 
+	/* Special case when user has set very strict latency requirement */
+	if (unlikely(latency_req == 0)) {
+		ladder_do_selection(ldev, last_idx, 0);
+		return 0;
+	}
+
 	last_state = &ldev->states[last_idx];
 
 	if (dev->states[last_idx].flags & CPUIDLE_FLAG_TIME_VALID)
@@ -81,8 +88,7 @@ static int ladder_select_state(struct cpuidle_device *dev)
 	/* consider promotion */
 	if (last_idx < dev->state_count - 1 &&
 	    last_residency > last_state->threshold.promotion_time &&
-	    dev->states[last_idx + 1].exit_latency <=
-			pm_qos_requirement(PM_QOS_CPU_DMA_LATENCY)) {
+	    dev->states[last_idx + 1].exit_latency <= latency_req) {
 		last_state->stats.promotion_count++;
 		last_state->stats.demotion_count = 0;
 		if (last_state->stats.promotion_count >= last_state->threshold.promotion_count) {
@@ -92,7 +98,7 @@ static int ladder_select_state(struct cpuidle_device *dev)
 	}
 
 	/* consider demotion */
-	if (last_idx > 0 &&
+	if (last_idx > CPUIDLE_DRIVER_STATE_START &&
 	    last_residency < last_state->threshold.demotion_time) {
 		last_state->stats.demotion_count++;
 		last_state->stats.promotion_count = 0;
@@ -117,7 +123,7 @@ static int ladder_enable_device(struct cpuidle_device *dev)
 	struct ladder_device_state *lstate;
 	struct cpuidle_state *state;
 
-	ldev->last_state_idx = 0;
+	ldev->last_state_idx = CPUIDLE_DRIVER_STATE_START;
 
 	for (i = 0; i < dev->state_count; i++) {
 		state = &dev->states[i];