Merge back earlier 'acpi-assorted' material.

9 files changed, 150 insertions, 256 deletions

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index f37beaa3275..b9f0d5f4bba 100644
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -30,10 +30,7 @@
 #include <linux/types.h>
 #include <linux/dmi.h>
 #include <linux/delay.h>
-#ifdef CONFIG_ACPI_PROCFS_POWER
-#include <linux/proc_fs.h>
-#include <linux/seq_file.h>
-#endif
+#include <linux/platform_device.h>
 #include <linux/power_supply.h>
 #include <acpi/acpi_bus.h>
 #include <acpi/acpi_drivers.h>
@@ -55,75 +52,30 @@ MODULE_AUTHOR("Paul Diefenbaugh");
 MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
-#ifdef CONFIG_ACPI_PROCFS_POWER
-extern struct proc_dir_entry *acpi_lock_ac_dir(void);
-extern void *acpi_unlock_ac_dir(struct proc_dir_entry *acpi_ac_dir);
-static int acpi_ac_open_fs(struct inode *inode, struct file *file);
-#endif
-
-static int acpi_ac_add(struct acpi_device *device);
-static int acpi_ac_remove(struct acpi_device *device);
-static void acpi_ac_notify(struct acpi_device *device, u32 event);
-
-static const struct acpi_device_id ac_device_ids[] = {
-	{"ACPI0003", 0},
-	{"", 0},
-};
-MODULE_DEVICE_TABLE(acpi, ac_device_ids);
-
-#ifdef CONFIG_PM_SLEEP
-static int acpi_ac_resume(struct device *dev);
-#endif
-static SIMPLE_DEV_PM_OPS(acpi_ac_pm, NULL, acpi_ac_resume);
-
 static int ac_sleep_before_get_state_ms;
 
-static struct acpi_driver acpi_ac_driver = {
-	.name = "ac",
-	.class = ACPI_AC_CLASS,
-	.ids = ac_device_ids,
-	.flags = ACPI_DRIVER_ALL_NOTIFY_EVENTS,
-	.ops = {
-		.add = acpi_ac_add,
-		.remove = acpi_ac_remove,
-		.notify = acpi_ac_notify,
-		},
-	.drv.pm = &acpi_ac_pm,
-};
-
 struct acpi_ac {
 	struct power_supply charger;
-	struct acpi_device * device;
+	struct acpi_device *adev;
+	struct platform_device *pdev;
 	unsigned long long state;
 };
 
 #define to_acpi_ac(x) container_of(x, struct acpi_ac, charger)
 
-#ifdef CONFIG_ACPI_PROCFS_POWER
-static const struct file_operations acpi_ac_fops = {
-	.owner = THIS_MODULE,
-	.open = acpi_ac_open_fs,
-	.read = seq_read,
-	.llseek = seq_lseek,
-	.release = single_release,
-};
-#endif
-
 /* --------------------------------------------------------------------------
                                AC Adapter Management
    -------------------------------------------------------------------------- */
 
 static int acpi_ac_get_state(struct acpi_ac *ac)
 {
-	acpi_status status = AE_OK;
-
-
-	if (!ac)
-		return -EINVAL;
+	acpi_status status;
 
-	status = acpi_evaluate_integer(ac->device->handle, "_PSR", NULL, &ac->state);
+	status = acpi_evaluate_integer(ac->adev->handle, "_PSR", NULL,
+				       &ac->state);
 	if (ACPI_FAILURE(status)) {
-		ACPI_EXCEPTION((AE_INFO, status, "Error reading AC Adapter state"));
+		ACPI_EXCEPTION((AE_INFO, status,
+				"Error reading AC Adapter state"));
 		ac->state = ACPI_AC_STATUS_UNKNOWN;
 		return -ENODEV;
 	}
@@ -160,91 +112,13 @@ static enum power_supply_property ac_props[] = {
 	POWER_SUPPLY_PROP_ONLINE,
 };
 
-#ifdef CONFIG_ACPI_PROCFS_POWER
-/* --------------------------------------------------------------------------
-                              FS Interface (/proc)
-   -------------------------------------------------------------------------- */
-
-static struct proc_dir_entry *acpi_ac_dir;
-
-static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
-{
-	struct acpi_ac *ac = seq->private;
-
-
-	if (!ac)
-		return 0;
-
-	if (acpi_ac_get_state(ac)) {
-		seq_puts(seq, "ERROR: Unable to read AC Adapter state\n");
-		return 0;
-	}
-
-	seq_puts(seq, "state:                   ");
-	switch (ac->state) {
-	case ACPI_AC_STATUS_OFFLINE:
-		seq_puts(seq, "off-line\n");
-		break;
-	case ACPI_AC_STATUS_ONLINE:
-		seq_puts(seq, "on-line\n");
-		break;
-	default:
-		seq_puts(seq, "unknown\n");
-		break;
-	}
-
-	return 0;
-}
-
-static int acpi_ac_open_fs(struct inode *inode, struct file *file)
-{
-	return single_open(file, acpi_ac_seq_show, PDE_DATA(inode));
-}
-
-static int acpi_ac_add_fs(struct acpi_device *device)
-{
-	struct proc_dir_entry *entry = NULL;
-
-	printk(KERN_WARNING PREFIX "Deprecated procfs I/F for AC is loaded,"
-			" please retry with CONFIG_ACPI_PROCFS_POWER cleared\n");
-	if (!acpi_device_dir(device)) {
-		acpi_device_dir(device) = proc_mkdir(acpi_device_bid(device),
-						     acpi_ac_dir);
-		if (!acpi_device_dir(device))
-			return -ENODEV;
-	}
-
-	/* 'state' [R] */
-	entry = proc_create_data(ACPI_AC_FILE_STATE,
-				 S_IRUGO, acpi_device_dir(device),
-				 &acpi_ac_fops, acpi_driver_data(device));
-	if (!entry)
-		return -ENODEV;
-	return 0;
-}
-
-static int acpi_ac_remove_fs(struct acpi_device *device)
-{
-
-	if (acpi_device_dir(device)) {
-		remove_proc_entry(ACPI_AC_FILE_STATE, acpi_device_dir(device));
-
-		remove_proc_entry(acpi_device_bid(device), acpi_ac_dir);
-		acpi_device_dir(device) = NULL;
-	}
-
-	return 0;
-}
-#endif
-
 /* --------------------------------------------------------------------------
                                    Driver Model
    -------------------------------------------------------------------------- */
 
-static void acpi_ac_notify(struct acpi_device *device, u32 event)
+static void acpi_ac_notify_handler(acpi_handle handle, u32 event, void *data)
 {
-	struct acpi_ac *ac = acpi_driver_data(device);
-
+	struct acpi_ac *ac = data;
 
 	if (!ac)
 		return;
@@ -267,10 +141,10 @@ static void acpi_ac_notify(struct acpi_device *device, u32 event)
 			msleep(ac_sleep_before_get_state_ms);
 
 		acpi_ac_get_state(ac);
-		acpi_bus_generate_netlink_event(device->pnp.device_class,
-						  dev_name(&device->dev), event,
-						  (u32) ac->state);
-		acpi_notifier_call_chain(device, event, (u32) ac->state);
+		acpi_bus_generate_netlink_event(ac->adev->pnp.device_class,
+						dev_name(&ac->pdev->dev),
+						event, (u32) ac->state);
+		acpi_notifier_call_chain(ac->adev, event, (u32) ac->state);
 		kobject_uevent(&ac->charger.dev->kobj, KOBJ_CHANGE);
 	}
 
@@ -295,53 +169,55 @@ static struct dmi_system_id ac_dmi_table[] = {
 	{},
 };
 
-static int acpi_ac_add(struct acpi_device *device)
+static int acpi_ac_probe(struct platform_device *pdev)
 {
 	int result = 0;
 	struct acpi_ac *ac = NULL;
+	struct acpi_device *adev;
 
-
-	if (!device)
+	if (!pdev)
 		return -EINVAL;
 
+	result = acpi_bus_get_device(ACPI_HANDLE(&pdev->dev), &adev);
+	if (result)
+		return -ENODEV;
+
 	ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
 	if (!ac)
 		return -ENOMEM;
 
-	ac->device = device;
-	strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
-	strcpy(acpi_device_class(device), ACPI_AC_CLASS);
-	device->driver_data = ac;
+	strcpy(acpi_device_name(adev), ACPI_AC_DEVICE_NAME);
+	strcpy(acpi_device_class(adev), ACPI_AC_CLASS);
+	ac->adev = adev;
+	ac->pdev = pdev;
+	platform_set_drvdata(pdev, ac);
 
 	result = acpi_ac_get_state(ac);
 	if (result)
 		goto end;
 
-#ifdef CONFIG_ACPI_PROCFS_POWER
-	result = acpi_ac_add_fs(device);
-#endif
-	if (result)
-		goto end;
-	ac->charger.name = acpi_device_bid(device);
+	ac->charger.name = acpi_device_bid(adev);
 	ac->charger.type = POWER_SUPPLY_TYPE_MAINS;
 	ac->charger.properties = ac_props;
 	ac->charger.num_properties = ARRAY_SIZE(ac_props);
 	ac->charger.get_property = get_ac_property;
-	result = power_supply_register(&ac->device->dev, &ac->charger);
+	result = power_supply_register(&pdev->dev, &ac->charger);
 	if (result)
 		goto end;
 
+	result = acpi_install_notify_handler(ACPI_HANDLE(&pdev->dev),
+			ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler, ac);
+	if (result) {
+		power_supply_unregister(&ac->charger);
+		goto end;
+	}
 	printk(KERN_INFO PREFIX "%s [%s] (%s)\n",
-	       acpi_device_name(device), acpi_device_bid(device),
+	       acpi_device_name(adev), acpi_device_bid(adev),
 	       ac->state ? "on-line" : "off-line");
 
-      end:
-	if (result) {
-#ifdef CONFIG_ACPI_PROCFS_POWER
-		acpi_ac_remove_fs(device);
-#endif
+end:
+	if (result)
 		kfree(ac);
-	}
 
 	dmi_check_system(ac_dmi_table);
 	return result;
@@ -356,7 +232,7 @@ static int acpi_ac_resume(struct device *dev)
 	if (!dev)
 		return -EINVAL;
 
-	ac = acpi_driver_data(to_acpi_device(dev));
+	ac = platform_get_drvdata(to_platform_device(dev));
 	if (!ac)
 		return -EINVAL;
 
@@ -368,28 +244,44 @@ static int acpi_ac_resume(struct device *dev)
 	return 0;
 }
 #endif
+static SIMPLE_DEV_PM_OPS(acpi_ac_pm_ops, NULL, acpi_ac_resume);
 
-static int acpi_ac_remove(struct acpi_device *device)
+static int acpi_ac_remove(struct platform_device *pdev)
 {
-	struct acpi_ac *ac = NULL;
-
+	struct acpi_ac *ac;
 
-	if (!device || !acpi_driver_data(device))
+	if (!pdev)
 		return -EINVAL;
 
-	ac = acpi_driver_data(device);
+	acpi_remove_notify_handler(ACPI_HANDLE(&pdev->dev),
+			ACPI_DEVICE_NOTIFY, acpi_ac_notify_handler);
 
+	ac = platform_get_drvdata(pdev);
 	if (ac->charger.dev)
 		power_supply_unregister(&ac->charger);
-#ifdef CONFIG_ACPI_PROCFS_POWER
-	acpi_ac_remove_fs(device);
-#endif
 
 	kfree(ac);
 
 	return 0;
 }
 
+static const struct acpi_device_id acpi_ac_match[] = {
+	{ "ACPI0003", 0 },
+	{ }
+};
+MODULE_DEVICE_TABLE(acpi, acpi_ac_match);
+
+static struct platform_driver acpi_ac_driver = {
+	.probe          = acpi_ac_probe,
+	.remove         = acpi_ac_remove,
+	.driver         = {
+		.name   = "acpi-ac",
+		.owner  = THIS_MODULE,
+		.pm     = &acpi_ac_pm_ops,
+		.acpi_match_table = ACPI_PTR(acpi_ac_match),
+	},
+};
+
 static int __init acpi_ac_init(void)
 {
 	int result;
@@ -397,34 +289,16 @@ static int __init acpi_ac_init(void)
 	if (acpi_disabled)
 		return -ENODEV;
 
-#ifdef CONFIG_ACPI_PROCFS_POWER
-	acpi_ac_dir = acpi_lock_ac_dir();
-	if (!acpi_ac_dir)
+	result = platform_driver_register(&acpi_ac_driver);
+	if (result < 0)
 		return -ENODEV;
-#endif
-
-	result = acpi_bus_register_driver(&acpi_ac_driver);
-	if (result < 0) {
-#ifdef CONFIG_ACPI_PROCFS_POWER
-		acpi_unlock_ac_dir(acpi_ac_dir);
-#endif
-		return -ENODEV;
-	}
 
 	return 0;
 }
 
 static void __exit acpi_ac_exit(void)
 {
-
-	acpi_bus_unregister_driver(&acpi_ac_driver);
-
-#ifdef CONFIG_ACPI_PROCFS_POWER
-	acpi_unlock_ac_dir(acpi_ac_dir);
-#endif
-
-	return;
+	platform_driver_unregister(&acpi_ac_driver);
 }
-
 module_init(acpi_ac_init);
 module_exit(acpi_ac_exit);
diff --git a/drivers/acpi/acpi_lpss.c b/drivers/acpi/acpi_lpss.c
index fb78bb9ad8f..d3961014aad 100644
--- a/drivers/acpi/acpi_lpss.c
+++ b/drivers/acpi/acpi_lpss.c
@@ -30,6 +30,7 @@ ACPI_MODULE_NAME("acpi_lpss");
 /* Offsets relative to LPSS_PRIVATE_OFFSET */
 #define LPSS_GENERAL			0x08
 #define LPSS_GENERAL_LTR_MODE_SW	BIT(2)
+#define LPSS_GENERAL_UART_RTS_OVRD	BIT(3)
 #define LPSS_SW_LTR			0x10
 #define LPSS_AUTO_LTR			0x14
 #define LPSS_TX_INT			0x20
@@ -68,11 +69,16 @@ struct lpss_private_data {
 
 static void lpss_uart_setup(struct lpss_private_data *pdata)
 {
-	unsigned int tx_int_offset = pdata->dev_desc->prv_offset + LPSS_TX_INT;
+	unsigned int offset;
 	u32 reg;
 
-	reg = readl(pdata->mmio_base + tx_int_offset);
-	writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + tx_int_offset);
+	offset = pdata->dev_desc->prv_offset + LPSS_TX_INT;
+	reg = readl(pdata->mmio_base + offset);
+	writel(reg | LPSS_TX_INT_MASK, pdata->mmio_base + offset);
+
+	offset = pdata->dev_desc->prv_offset + LPSS_GENERAL;
+	reg = readl(pdata->mmio_base + offset);
+	writel(reg | LPSS_GENERAL_UART_RTS_OVRD, pdata->mmio_base + offset);
 }
 
 static struct lpss_device_desc lpt_dev_desc = {
diff --git a/drivers/acpi/acpi_platform.c b/drivers/acpi/acpi_platform.c
index 1bde12708f9..8a4cfc7e71f 100644
--- a/drivers/acpi/acpi_platform.c
+++ b/drivers/acpi/acpi_platform.c
@@ -29,6 +29,13 @@ ACPI_MODULE_NAME("platform");
 static const struct acpi_device_id acpi_platform_device_ids[] = {
 
 	{ "PNP0D40" },
+	{ "ACPI0003" },
+	{ "VPC2004" },
+	{ "BCM4752" },
+
+	/* Intel Smart Sound Technology */
+	{ "INT33C8" },
+	{ "80860F28" },
 
 	{ }
 };
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index a55773801c5..c971929d75c 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -383,18 +383,15 @@ static int acpi_button_add(struct acpi_device *device)
 
 	switch (button->type) {
 	case ACPI_BUTTON_TYPE_POWER:
-		input->evbit[0] = BIT_MASK(EV_KEY);
-		set_bit(KEY_POWER, input->keybit);
+		input_set_capability(input, EV_KEY, KEY_POWER);
 		break;
 
 	case ACPI_BUTTON_TYPE_SLEEP:
-		input->evbit[0] = BIT_MASK(EV_KEY);
-		set_bit(KEY_SLEEP, input->keybit);
+		input_set_capability(input, EV_KEY, KEY_SLEEP);
 		break;
 
 	case ACPI_BUTTON_TYPE_LID:
-		input->evbit[0] = BIT_MASK(EV_SW);
-		set_bit(SW_LID, input->swbit);
+		input_set_capability(input, EV_SW, SW_LID);
 		break;
 	}
 
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index a06d9837470..d5309fd4945 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -28,6 +28,7 @@
 
 /* Uncomment next line to get verbose printout */
 /* #define DEBUG */
+#define pr_fmt(fmt) "ACPI : EC: " fmt
 
 #include <linux/kernel.h>
 #include <linux/module.h>
@@ -49,9 +50,6 @@
 #define ACPI_EC_DEVICE_NAME		"Embedded Controller"
 #define ACPI_EC_FILE_INFO		"info"
 
-#undef PREFIX
-#define PREFIX				"ACPI: EC: "
-
 /* EC status register */
 #define ACPI_EC_FLAG_OBF	0x01	/* Output buffer full */
 #define ACPI_EC_FLAG_IBF	0x02	/* Input buffer full */
@@ -131,26 +129,26 @@ static int EC_FLAGS_SKIP_DSDT_SCAN; /* Not all BIOS survive early DSDT scan */
 static inline u8 acpi_ec_read_status(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->command_addr);
-	pr_debug(PREFIX "---> status = 0x%2.2x\n", x);
+	pr_debug("---> status = 0x%2.2x\n", x);
 	return x;
 }
 
 static inline u8 acpi_ec_read_data(struct acpi_ec *ec)
 {
 	u8 x = inb(ec->data_addr);
-	pr_debug(PREFIX "---> data = 0x%2.2x\n", x);
+	pr_debug("---> data = 0x%2.2x\n", x);
 	return x;
 }
 
 static inline void acpi_ec_write_cmd(struct acpi_ec *ec, u8 command)
 {
-	pr_debug(PREFIX "<--- command = 0x%2.2x\n", command);
+	pr_debug("<--- command = 0x%2.2x\n", command);
 	outb(command, ec->command_addr);
 }
 
 static inline void acpi_ec_write_data(struct acpi_ec *ec, u8 data)
 {
-	pr_debug(PREFIX "<--- data = 0x%2.2x\n", data);
+	pr_debug("<--- data = 0x%2.2x\n", data);
 	outb(data, ec->data_addr);
 }
 
@@ -241,7 +239,7 @@ static int ec_poll(struct acpi_ec *ec)
 			}
 			advance_transaction(ec, acpi_ec_read_status(ec));
 		} while (time_before(jiffies, delay));
-		pr_debug(PREFIX "controller reset, restart transaction\n");
+		pr_debug("controller reset, restart transaction\n");
 		spin_lock_irqsave(&ec->lock, flags);
 		start_transaction(ec);
 		spin_unlock_irqrestore(&ec->lock, flags);
@@ -309,12 +307,12 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 		}
 	}
 	if (ec_wait_ibf0(ec)) {
-		pr_err(PREFIX "input buffer is not empty, "
+		pr_err("input buffer is not empty, "
 				"aborting transaction\n");
 		status = -ETIME;
 		goto end;
 	}
-	pr_debug(PREFIX "transaction start (cmd=0x%02x, addr=0x%02x)\n",
+	pr_debug("transaction start (cmd=0x%02x, addr=0x%02x)\n",
 			t->command, t->wdata ? t->wdata[0] : 0);
 	/* disable GPE during transaction if storm is detected */
 	if (test_bit(EC_FLAGS_GPE_STORM, &ec->flags)) {
@@ -331,12 +329,12 @@ static int acpi_ec_transaction(struct acpi_ec *ec, struct transaction *t)
 		/* It is safe to enable the GPE outside of the transaction. */
 		acpi_enable_gpe(NULL, ec->gpe);
 	} else if (t->irq_count > ec_storm_threshold) {
-		pr_info(PREFIX "GPE storm detected(%d GPEs), "
+		pr_info("GPE storm detected(%d GPEs), "
 			"transactions will use polling mode\n",
 			t->irq_count);
 		set_bit(EC_FLAGS_GPE_STORM, &ec->flags);
 	}
-	pr_debug(PREFIX "transaction end\n");
+	pr_debug("transaction end\n");
 end:
 	if (ec->global_lock)
 		acpi_release_global_lock(glk);
@@ -570,12 +568,12 @@ static void acpi_ec_run(void *cxt)
 	struct acpi_ec_query_handler *handler = cxt;
 	if (!handler)
 		return;
-	pr_debug(PREFIX "start query execution\n");
+	pr_debug("start query execution\n");
 	if (handler->func)
 		handler->func(handler->data);
 	else if (handler->handle)
 		acpi_evaluate_object(handler->handle, NULL, NULL, NULL);
-	pr_debug(PREFIX "stop query execution\n");
+	pr_debug("stop query execution\n");
 	kfree(handler);
 }
 
@@ -593,7 +591,8 @@ static int acpi_ec_sync_query(struct acpi_ec *ec)
 			if (!copy)
 				return -ENOMEM;
 			memcpy(copy, handler, sizeof(*copy));
-			pr_debug(PREFIX "push query execution (0x%2x) on queue\n", value);
+			pr_debug("push query execution (0x%2x) on queue\n",
+				value);
 			return acpi_os_execute((copy->func) ?
 				OSL_NOTIFY_HANDLER : OSL_GPE_HANDLER,
 				acpi_ec_run, copy);
@@ -616,7 +615,7 @@ static int ec_check_sci(struct acpi_ec *ec, u8 state)
 {
 	if (state & ACPI_EC_FLAG_SCI) {
 		if (!test_and_set_bit(EC_FLAGS_QUERY_PENDING, &ec->flags)) {
-			pr_debug(PREFIX "push gpe query to the queue\n");
+			pr_debug("push gpe query to the queue\n");
 			return acpi_os_execute(OSL_NOTIFY_HANDLER,
 				acpi_ec_gpe_query, ec);
 		}
@@ -630,7 +629,7 @@ static u32 acpi_ec_gpe_handler(acpi_handle gpe_device,
 	struct acpi_ec *ec = data;
 	u8 status = acpi_ec_read_status(ec);
 
-	pr_debug(PREFIX "~~~> interrupt, status:0x%02x\n", status);
+	pr_debug("~~~> interrupt, status:0x%02x\n", status);
 
 	advance_transaction(ec, status);
 	if (ec_transaction_done(ec) &&
@@ -776,7 +775,7 @@ static int ec_install_handlers(struct acpi_ec *ec)
 			 * The AE_NOT_FOUND error will be ignored and OS
 			 * continue to initialize EC.
 			 */
-			printk(KERN_ERR "Fail in evaluating the _REG object"
+			pr_err("Fail in evaluating the _REG object"
 				" of EC device. Broken bios is suspected.\n");
 		} else {
 			acpi_remove_gpe_handler(NULL, ec->gpe,
@@ -795,10 +794,10 @@ static void ec_remove_handlers(struct acpi_ec *ec)
 	acpi_disable_gpe(NULL, ec->gpe);
 	if (ACPI_FAILURE(acpi_remove_address_space_handler(ec->handle,
 				ACPI_ADR_SPACE_EC, &acpi_ec_space_handler)))
-		pr_err(PREFIX "failed to remove space handler\n");
+		pr_err("failed to remove space handler\n");
 	if (ACPI_FAILURE(acpi_remove_gpe_handler(NULL, ec->gpe,
 				&acpi_ec_gpe_handler)))
-		pr_err(PREFIX "failed to remove gpe handler\n");
+		pr_err("failed to remove gpe handler\n");
 	clear_bit(EC_FLAGS_HANDLERS_INSTALLED, &ec->flags);
 }
 
@@ -840,7 +839,7 @@ static int acpi_ec_add(struct acpi_device *device)
 	ret = !!request_region(ec->command_addr, 1, "EC cmd");
 	WARN(!ret, "Could not request EC cmd io port 0x%lx", ec->command_addr);
 
-	pr_info(PREFIX "GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
+	pr_info("GPE = 0x%lx, I/O: command/status = 0x%lx, data = 0x%lx\n",
 			  ec->gpe, ec->command_addr, ec->data_addr);
 
 	ret = ec_install_handlers(ec);
@@ -931,7 +930,7 @@ 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");
+	pr_debug("Detected MSI hardware, enabling workarounds.\n");
 	EC_FLAGS_MSI = 1;
 	EC_FLAGS_VALIDATE_ECDT = 1;
 	return 0;
@@ -1010,7 +1009,7 @@ int __init acpi_ec_ecdt_probe(void)
 	status = acpi_get_table(ACPI_SIG_ECDT, 1,
 				(struct acpi_table_header **)&ecdt_ptr);
 	if (ACPI_SUCCESS(status)) {
-		pr_info(PREFIX "EC description table is found, configuring boot EC\n");
+		pr_info("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;
 		boot_ec->gpe = ecdt_ptr->gpe;
@@ -1030,7 +1029,7 @@ int __init acpi_ec_ecdt_probe(void)
 
 	/* This workaround is needed only on some broken machines,
 	 * which require early EC, but fail to provide ECDT */
-	printk(KERN_DEBUG PREFIX "Look up EC in DSDT\n");
+	pr_debug("Look up EC in DSDT\n");
 	status = acpi_get_devices(ec_device_ids[0].id, ec_parse_device,
 					boot_ec, NULL);
 	/* Check that acpi_get_devices actually find something */
@@ -1042,7 +1041,7 @@ int __init acpi_ec_ecdt_probe(void)
 		    saved_ec->data_addr != boot_ec->data_addr ||
 		    saved_ec->gpe != boot_ec->gpe ||
 		    saved_ec->handle != boot_ec->handle)
-			pr_info(PREFIX "ASUSTek keeps feeding us with broken "
+			pr_info("ASUSTek keeps feeding us with broken "
 			"ECDT tables, which are very hard to workaround. "
 			"Trying to use DSDT EC info instead. Please send "
 			"output of acpidump to linux-acpi@vger.kernel.org\n");
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index e5f416c7f66..4923dd4232b 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -820,7 +820,7 @@ acpi_status acpi_os_remove_interrupt_handler(u32 irq, acpi_osd_handler handler)
 
 void acpi_os_sleep(u64 ms)
 {
-	schedule_timeout_interruptible(msecs_to_jiffies(ms));
+	msleep(ms);
 }
 
 void acpi_os_stall(u32 us)
@@ -1335,7 +1335,7 @@ static int __init acpi_os_name_setup(char *str)
 	if (!str || !*str)
 		return 0;
 
-	for (; count-- && str && *str; str++) {
+	for (; count-- && *str; str++) {
 		if (isalnum(*str) || *str == ' ' || *str == ':')
 			*p++ = *str;
 		else if (*str == '\'' || *str == '"')
diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
index 05306a59aed..b5577870444 100644
--- a/drivers/acpi/sysfs.c
+++ b/drivers/acpi/sysfs.c
@@ -564,6 +564,7 @@ static ssize_t counter_set(struct kobject *kobj,
 	acpi_event_status status;
 	acpi_handle handle;
 	int result = 0;
+	unsigned long tmp;
 
 	if (index == num_gpes + ACPI_NUM_FIXED_EVENTS + COUNT_SCI) {
 		int i;
@@ -596,8 +597,10 @@ static ssize_t counter_set(struct kobject *kobj,
 		else if (!strcmp(buf, "clear\n") &&
 			 (status & ACPI_EVENT_FLAG_SET))
 			result = acpi_clear_gpe(handle, index);
+		else if (!kstrtoul(buf, 0, &tmp))
+			all_counters[index].count = tmp;
 		else
-			all_counters[index].count = strtoul(buf, NULL, 0);
+			result = -EINVAL;
 	} else if (index < num_gpes + ACPI_NUM_FIXED_EVENTS) {
 		int event = index - num_gpes;
 		if (!strcmp(buf, "disable\n") &&
@@ -609,8 +612,10 @@ static ssize_t counter_set(struct kobject *kobj,
 		else if (!strcmp(buf, "clear\n") &&
 			 (status & ACPI_EVENT_FLAG_SET))
 			result = acpi_clear_event(event);
+		else if (!kstrtoul(buf, 0, &tmp))
+			all_counters[index].count = tmp;
 		else
-			all_counters[index].count = strtoul(buf, NULL, 0);
+			result = -EINVAL;
 	} else
 		all_counters[index].count = strtoul(buf, NULL, 0);
 
diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c
index 6a0329340b4..e600b5dbfcb 100644
--- a/drivers/acpi/thermal.c
+++ b/drivers/acpi/thermal.c
@@ -299,8 +299,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 			ACPI_DEBUG_PRINT((ACPI_DB_INFO,
 					  "No critical threshold\n"));
 		} else if (tmp <= 2732) {
-			printk(KERN_WARNING FW_BUG "Invalid critical threshold "
-			       "(%llu)\n", tmp);
+			pr_warn(FW_BUG "Invalid critical threshold (%llu)\n",
+				tmp);
 			tz->trips.critical.flags.valid = 0;
 		} else {
 			tz->trips.critical.flags.valid = 1;
@@ -317,8 +317,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 				 * Allow override critical threshold
 				 */
 				if (crt_k > tz->trips.critical.temperature)
-					printk(KERN_WARNING PREFIX
-						"Critical threshold %d C\n", crt);
+					pr_warn(PREFIX "Critical threshold %d C\n",
+						crt);
 				tz->trips.critical.temperature = crt_k;
 			}
 		}
@@ -390,8 +390,7 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 		status = acpi_evaluate_reference(tz->device->handle, "_PSL",
 							NULL, &devices);
 		if (ACPI_FAILURE(status)) {
-			printk(KERN_WARNING PREFIX
-				"Invalid passive threshold\n");
+			pr_warn(PREFIX "Invalid passive threshold\n");
 			tz->trips.passive.flags.valid = 0;
 		}
 		else
@@ -453,8 +452,8 @@ static int acpi_thermal_trips_update(struct acpi_thermal *tz, int flag)
 			status = acpi_evaluate_reference(tz->device->handle,
 						name, NULL, &devices);
 			if (ACPI_FAILURE(status)) {
-				printk(KERN_WARNING PREFIX
-					"Invalid active%d threshold\n", i);
+				pr_warn(PREFIX "Invalid active%d threshold\n",
+					i);
 				tz->trips.active[i].flags.valid = 0;
 			}
 			else
@@ -505,7 +504,7 @@ static int acpi_thermal_get_trip_points(struct acpi_thermal *tz)
 		valid |= tz->trips.active[i].flags.valid;
 
 	if (!valid) {
-		printk(KERN_WARNING FW_BUG "No valid trip found\n");
+		pr_warn(FW_BUG "No valid trip found\n");
 		return -ENODEV;
 	}
 	return 0;
@@ -923,8 +922,7 @@ static int acpi_thermal_register_thermal_zone(struct acpi_thermal *tz)
 				  acpi_bus_private_data_handler,
 				  tz->thermal_zone);
 	if (ACPI_FAILURE(status)) {
-		printk(KERN_ERR PREFIX
-				"Error attaching device data\n");
+		pr_err(PREFIX "Error attaching device data\n");
 		return -ENODEV;
 	}
 
@@ -1094,9 +1092,8 @@ static int acpi_thermal_add(struct acpi_device *device)
 	if (result)
 		goto free_memory;
 
-	printk(KERN_INFO PREFIX "%s [%s] (%ld C)\n",
-	       acpi_device_name(device), acpi_device_bid(device),
-	       KELVIN_TO_CELSIUS(tz->temperature));
+	pr_info(PREFIX "%s [%s] (%ld C)\n", acpi_device_name(device),
+		acpi_device_bid(device), KELVIN_TO_CELSIUS(tz->temperature));
 	goto end;
 
 free_memory:
@@ -1159,24 +1156,24 @@ static int acpi_thermal_resume(struct device *dev)
 static int thermal_act(const struct dmi_system_id *d) {
 
 	if (act == 0) {
-		printk(KERN_NOTICE "ACPI: %s detected: "
-			"disabling all active thermal trip points\n", d->ident);
+		pr_notice(PREFIX "%s detected: "
+			  "disabling all active thermal trip points\n", d->ident);
 		act = -1;
 	}
 	return 0;
 }
 static int thermal_nocrt(const struct dmi_system_id *d) {
 
-	printk(KERN_NOTICE "ACPI: %s detected: "
-		"disabling all critical thermal trip point actions.\n", d->ident);
+	pr_notice(PREFIX "%s detected: "
+		  "disabling all critical thermal trip point actions.\n", d->ident);
 	nocrt = 1;
 	return 0;
 }
 static int thermal_tzp(const struct dmi_system_id *d) {
 
 	if (tzp == 0) {
-		printk(KERN_NOTICE "ACPI: %s detected: "
-			"enabling thermal zone polling\n", d->ident);
+		pr_notice(PREFIX "%s detected: "
+			  "enabling thermal zone polling\n", d->ident);
 		tzp = 300;	/* 300 dS = 30 Seconds */
 	}
 	return 0;
@@ -1184,8 +1181,8 @@ static int thermal_tzp(const struct dmi_system_id *d) {
 static int thermal_psv(const struct dmi_system_id *d) {
 
 	if (psv == 0) {
-		printk(KERN_NOTICE "ACPI: %s detected: "
-			"disabling all passive thermal trip points\n", d->ident);
+		pr_notice(PREFIX "%s detected: "
+			  "disabling all passive thermal trip points\n", d->ident);
 		psv = -1;
 	}
 	return 0;
@@ -1238,7 +1235,7 @@ static int __init acpi_thermal_init(void)
 	dmi_check_system(thermal_dmi_table);
 
 	if (off) {
-		printk(KERN_NOTICE "ACPI: thermal control disabled\n");
+		pr_notice(PREFIX "thermal control disabled\n");
 		return -ENODEV;
 	}
 
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c
index 552248b0005..fc2cd328408 100644
--- a/drivers/acpi/utils.c
+++ b/drivers/acpi/utils.c
@@ -169,11 +169,20 @@ acpi_extract_package(union acpi_object *package,
 	/*
 	 * Validate output buffer.
 	 */
-	if (buffer->length < size_required) {
+	if (buffer->length == ACPI_ALLOCATE_BUFFER) {
+		buffer->pointer = ACPI_ALLOCATE(size_required);
+		if (!buffer->pointer)
+			return AE_NO_MEMORY;
 		buffer->length = size_required;
-		return AE_BUFFER_OVERFLOW;
-	} else if (buffer->length != size_required || !buffer->pointer) {
-		return AE_BAD_PARAMETER;
+		memset(buffer->pointer, 0, size_required);
+	} else {
+		if (buffer->length < size_required) {
+			buffer->length = size_required;
+			return AE_BUFFER_OVERFLOW;
+		} else if (buffer->length != size_required ||
+			   !buffer->pointer) {
+			return AE_BAD_PARAMETER;
+		}
 	}
 
 	head = buffer->pointer;