Pull sysfs into test branch

Conflicts:

	Documentation/feature-removal-schedule.txt
	include/acpi/acpi_drivers.h
Signed-off-by: NLen Brown <len.brown@intel.com>

Documentation/feature-removal-schedule.txt

@@ -274,6 +274,7 @@ Who:	Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
 
 ---------------------------
 
+<<<<<<< test:Documentation/feature-removal-schedule.txt
 What:	ACPI hotkey driver (CONFIG_ACPI_HOTKEY)
 When:	2.6.21
 Why:	hotkey.c was an attempt to consolidate multiple drivers that use
@@ -306,11 +307,18 @@ Why:	The ACPI namespace is effectively the symbol list for
 	the BIOS can be extracted and disassembled with acpidump
 	and iasl as documented in the pmtools package here:
 	http://ftp.kernel.org/pub/linux/kernel/people/lenb/acpi/utils
-
 Who:	Len Brown <len.brown@intel.com>
 
 ---------------------------
 
+What:	ACPI procfs interface
+When:	July 2007
+Why:	After ACPI sysfs conversion, ACPI attributes will be duplicated
+	in sysfs and the ACPI procfs interface should be removed.
+Who:	Zhang Rui <rui.zhang@intel.com>
+
+---------------------------
+
 What:	/proc/acpi/button
 When:	August 2007
 Why:	/proc/acpi/button has been replaced by events to the input layer

drivers/acpi/Kconfig

@@ -77,6 +77,20 @@ config ACPI_SLEEP_PROC_SLEEP
 	  Create /proc/acpi/sleep
 	  Deprecated by /sys/power/state
 
+config ACPI_PROCFS
+	bool "Procfs interface (deprecated)"
+	depends on ACPI
+	default y
+	---help---
+	  Procfs interface for ACPI is made optional for back-compatible.
+	  As the same functions are duplicated in sysfs interface
+	  and this proc interface will be removed some time later,
+	  it's marked as deprecated.
+	  ( /proc/acpi/debug_layer && debug_level are deprecated by
+	    /sys/module/acpi/parameters/debug_layer && debug_level.
+	    /proc/acpi/info is deprecated by
+	    /sys/module/acpi/parameters/acpica_version )
+
 config ACPI_AC
 	tristate "AC Adapter"
 	depends on X86

drivers/acpi/Makefile

@@ -37,6 +37,7 @@ endif
 
 obj-y				+= sleep/
 obj-y				+= bus.o glue.o
+obj-y				+= scan.o motherboard.o
 obj-$(CONFIG_ACPI_AC) 		+= ac.o
 obj-$(CONFIG_ACPI_BATTERY)	+= battery.o
 obj-$(CONFIG_ACPI_BUTTON)	+= button.o
@@ -57,7 +58,6 @@ obj-$(CONFIG_ACPI_NUMA)		+= numa.o
 obj-$(CONFIG_ACPI_ASUS)		+= asus_acpi.o
 obj-$(CONFIG_ACPI_IBM)		+= ibm_acpi.o
 obj-$(CONFIG_ACPI_TOSHIBA)	+= toshiba_acpi.o
-obj-y				+= scan.o motherboard.o
 obj-$(CONFIG_ACPI_HOTPLUG_MEMORY)	+= acpi_memhotplug.o
 obj-y				+= cm_sbs.o
 obj-$(CONFIG_ACPI_SBS)		+= i2c_ec.o sbs.o

drivers/acpi/battery.c

@@ -64,7 +64,7 @@ extern void *acpi_unlock_battery_dir(struct proc_dir_entry *acpi_battery_dir);
 
 static int acpi_battery_add(struct acpi_device *device);
 static int acpi_battery_remove(struct acpi_device *device, int type);
-static int acpi_battery_resume(struct acpi_device *device, int status);
+static int acpi_battery_resume(struct acpi_device *device);
 
 static struct acpi_driver acpi_battery_driver = {
 	.name = ACPI_BATTERY_DRIVER_NAME,
@@ -753,7 +753,7 @@ static int acpi_battery_remove(struct acpi_device *device, int type)
 }
 
 /* this is needed to learn about changes made in suspended state */
-static int acpi_battery_resume(struct acpi_device *device, int state)
+static int acpi_battery_resume(struct acpi_device *device)
 {
 	struct acpi_battery *battery;
 

drivers/acpi/bus.c

@@ -192,7 +192,7 @@ int acpi_bus_set_power(acpi_handle handle, int state)
 
 	if (!device->flags.power_manageable) {
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Device `[%s]' is not power manageable\n",
-				device->kobj.name));
+				device->dev.kobj.name));
 		return -ENODEV;
 	}
 	/*

drivers/acpi/button.c

@@ -75,7 +75,7 @@ static int acpi_button_state_open_fs(struct inode *inode, struct file *file);
 static struct acpi_driver acpi_button_driver = {
 	.name = ACPI_BUTTON_DRIVER_NAME,
 	.class = ACPI_BUTTON_CLASS,
-	.ids = "ACPI_FPB,ACPI_FSB,PNP0C0D,PNP0C0C,PNP0C0E",
+	.ids = "button_power,button_sleep,PNP0C0D,PNP0C0C,PNP0C0E",
 	.ops = {
 		.add = acpi_button_add,
 		.remove = acpi_button_remove,

drivers/acpi/container.c

@@ -167,7 +167,7 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
 			if (ACPI_FAILURE(status) || !device) {
 				result = container_device_add(&device, handle);
 				if (!result)
-					kobject_uevent(&device->kobj,
+					kobject_uevent(&device->dev.kobj,
 						       KOBJ_ONLINE);
 				else
 					printk("Failed to add container\n");
@@ -175,13 +175,13 @@ static void container_notify_cb(acpi_handle handle, u32 type, void *context)
 		} else {
 			if (ACPI_SUCCESS(status)) {
 				/* device exist and this is a remove request */
-				kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+				kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 			}
 		}
 		break;
 	case ACPI_NOTIFY_EJECT_REQUEST:
 		if (!acpi_bus_get_device(handle, &device) && device) {
-			kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+			kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 		}
 		break;
 	default:

drivers/acpi/debug.c

@@ -13,14 +13,11 @@
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
 ACPI_MODULE_NAME("debug")
-#define ACPI_SYSTEM_FILE_DEBUG_LAYER	"debug_layer"
-#define ACPI_SYSTEM_FILE_DEBUG_LEVEL	"debug_level"
+
 #ifdef MODULE_PARAM_PREFIX
 #undef MODULE_PARAM_PREFIX
 #endif
-#define MODULE_PARAM_PREFIX
-    module_param(acpi_dbg_layer, uint, 0400);
-module_param(acpi_dbg_level, uint, 0400);
+#define MODULE_PARAM_PREFIX "acpi."
 
 struct acpi_dlayer {
 	const char *name;
@@ -86,6 +83,60 @@ static const struct acpi_dlevel acpi_debug_levels[] = {
 	ACPI_DEBUG_INIT(ACPI_LV_EVENTS),
 };
 
+/* --------------------------------------------------------------------------
+                              FS Interface (/sys)
+   -------------------------------------------------------------------------- */
+static int param_get_debug_layer(char *buffer, struct kernel_param *kp) {
+	int result = 0;
+	int i;
+
+	result = sprintf(buffer, "%-25s\tHex        SET\n", "Description");
+
+	for(i = 0; i <ARRAY_SIZE(acpi_debug_layers); i++) {
+		result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
+					acpi_debug_layers[i].name,
+					acpi_debug_layers[i].value,
+					(acpi_dbg_layer & acpi_debug_layers[i].value) ? '*' : ' ');
+	}
+	result += sprintf(buffer+result, "%-25s\t0x%08X [%c]\n", "ACPI_ALL_DRIVERS",
+					ACPI_ALL_DRIVERS,
+					(acpi_dbg_layer & ACPI_ALL_DRIVERS) ==
+					ACPI_ALL_DRIVERS ? '*' : (acpi_dbg_layer &
+					ACPI_ALL_DRIVERS) == 0 ? ' ' : '-');
+	result += sprintf(buffer+result, "--\ndebug_layer = 0x%08X ( * = enabled)\n", acpi_dbg_layer);
+
+	return result;
+}
+
+static int param_get_debug_level(char *buffer, struct kernel_param *kp) {
+	int result = 0;
+	int i;
+
+	result = sprintf(buffer, "%-25s\tHex        SET\n", "Description");
+
+	for (i = 0; i < ARRAY_SIZE(acpi_debug_levels); i++) {
+		result += sprintf(buffer+result, "%-25s\t0x%08lX [%c]\n",
+				     acpi_debug_levels[i].name,
+				     acpi_debug_levels[i].value,
+				     (acpi_dbg_level & acpi_debug_levels[i].
+				      value) ? '*' : ' ');
+	}
+	result += sprintf(buffer+result, "--\ndebug_level = 0x%08X (* = enabled)\n",
+			     acpi_dbg_level);
+
+	return result;
+}
+
+module_param_call(debug_layer, param_set_uint, param_get_debug_layer, &acpi_dbg_layer, 0644);
+module_param_call(debug_level, param_set_uint, param_get_debug_level, &acpi_dbg_level, 0644);
+
+/* --------------------------------------------------------------------------
+                              FS Interface (/proc)
+   -------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_PROCFS
+#define ACPI_SYSTEM_FILE_DEBUG_LAYER	"debug_layer"
+#define ACPI_SYSTEM_FILE_DEBUG_LEVEL		"debug_level"
+
 static int
 acpi_system_read_debug(char *page,
 		       char **start, off_t off, int count, int *eof, void *data)
@@ -221,3 +272,4 @@ static int __init acpi_debug_init(void)
 }
 
 subsys_initcall(acpi_debug_init);
+#endif

drivers/acpi/fan.c

@@ -48,8 +48,8 @@ MODULE_LICENSE("GPL");
 
 static int acpi_fan_add(struct acpi_device *device);
 static int acpi_fan_remove(struct acpi_device *device, int type);
-static int acpi_fan_suspend(struct acpi_device *device, int state);
-static int acpi_fan_resume(struct acpi_device *device, int state);
+static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state);
+static int acpi_fan_resume(struct acpi_device *device);
 
 static struct acpi_driver acpi_fan_driver = {
 	.name = ACPI_FAN_DRIVER_NAME,
@@ -237,7 +237,7 @@ static int acpi_fan_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int acpi_fan_suspend(struct acpi_device *device, int state)
+static int acpi_fan_suspend(struct acpi_device *device, pm_message_t state)
 {
 	if (!device)
 		return -EINVAL;
@@ -247,7 +247,7 @@ static int acpi_fan_suspend(struct acpi_device *device, int state)
 	return AE_OK;
 }
 
-static int acpi_fan_resume(struct acpi_device *device, int state)
+static int acpi_fan_resume(struct acpi_device *device)
 {
 	int result = 0;
 	int power_state = 0;

drivers/acpi/motherboard.c

@@ -33,8 +33,7 @@
 ACPI_MODULE_NAME("acpi_motherboard")
 
 /* Dell use PNP0C01 instead of PNP0C02 */
-#define ACPI_MB_HID1			"PNP0C01"
-#define ACPI_MB_HID2			"PNP0C02"
+#define ACPI_MB_HID			"PNP0C01,PNP0C02"
 /**
  * Doesn't care about legacy IO ports, only IO ports beyond 0x1000 are reserved
  * Doesn't care about the failure of 'request_region', since other may reserve
@@ -110,19 +109,10 @@ static int acpi_motherboard_add(struct acpi_device *device)
 	return 0;
 }
 
-static struct acpi_driver acpi_motherboard_driver1 = {
+static struct acpi_driver acpi_motherboard_driver = {
 	.name = "motherboard",
 	.class = "",
-	.ids = ACPI_MB_HID1,
-	.ops = {
-		.add = acpi_motherboard_add,
-		},
-};
-
-static struct acpi_driver acpi_motherboard_driver2 = {
-	.name = "motherboard",
-	.class = "",
-	.ids = ACPI_MB_HID2,
+	.ids = ACPI_MB_HID,
 	.ops = {
 		.add = acpi_motherboard_add,
 		},
@@ -173,8 +163,7 @@ static void __init acpi_reserve_resources(void)
 
 static int __init acpi_motherboard_init(void)
 {
-	acpi_bus_register_driver(&acpi_motherboard_driver1);
-	acpi_bus_register_driver(&acpi_motherboard_driver2);
+	acpi_bus_register_driver(&acpi_motherboard_driver);
 	/*
 	 * Guarantee motherboard IO reservation first
 	 * This module must run after scan.c

drivers/acpi/pci_root.c

@@ -165,6 +165,21 @@ static acpi_status try_get_root_bridge_busnr(acpi_handle handle, int *busnum)
 	return AE_OK;
 }
 
+static void acpi_pci_bridge_scan(struct acpi_device *device)
+{
+	int status;
+	struct acpi_device *child = NULL;
+
+	if (device->flags.bus_address)
+		if (device->parent && device->parent->ops.bind) {
+			status = device->parent->ops.bind(device);
+			if (!status) {
+				list_for_each_entry(child, &device->children, node)
+					acpi_pci_bridge_scan(child);
+			}
+		}
+}
+
 static int acpi_pci_root_add(struct acpi_device *device)
 {
 	int result = 0;
@@ -173,6 +188,7 @@ static int acpi_pci_root_add(struct acpi_device *device)
 	acpi_status status = AE_OK;
 	unsigned long value = 0;
 	acpi_handle handle = NULL;
+	struct acpi_device *child;
 
 
 	if (!device)
@@ -188,9 +204,6 @@ static int acpi_pci_root_add(struct acpi_device *device)
 	strcpy(acpi_device_class(device), ACPI_PCI_ROOT_CLASS);
 	acpi_driver_data(device) = root;
 
-	/*
-	 * TBD: Doesn't the bus driver automatically set this?
-	 */
 	device->ops.bind = acpi_pci_bind;
 
 	/* 
@@ -312,6 +325,12 @@ static int acpi_pci_root_add(struct acpi_device *device)
 		result = acpi_pci_irq_add_prt(device->handle, root->id.segment,
 					      root->id.bus);
 
+	/*
+	 * Scan and bind all _ADR-Based Devices
+	 */
+	list_for_each_entry(child, &device->children, node)
+		acpi_pci_bridge_scan(child);
+
       end:
 	if (result) {
 		if (!list_empty(&root->node))

drivers/acpi/processor_core.c

@@ -814,7 +814,7 @@ int acpi_processor_device_add(acpi_handle handle, struct acpi_device **device)
 		return -ENODEV;
 
 	if ((pr->id >= 0) && (pr->id < NR_CPUS)) {
-		kobject_uevent(&(*device)->kobj, KOBJ_ONLINE);
+		kobject_uevent(&(*device)->dev.kobj, KOBJ_ONLINE);
 	}
 	return 0;
 }
@@ -852,13 +852,13 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
 		}
 
 		if (pr->id >= 0 && (pr->id < NR_CPUS)) {
-			kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+			kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 			break;
 		}
 
 		result = acpi_processor_start(device);
 		if ((!result) && ((pr->id >= 0) && (pr->id < NR_CPUS))) {
-			kobject_uevent(&device->kobj, KOBJ_ONLINE);
+			kobject_uevent(&device->dev.kobj, KOBJ_ONLINE);
 		} else {
 			printk(KERN_ERR PREFIX "Device [%s] failed to start\n",
 				    acpi_device_bid(device));
@@ -881,7 +881,7 @@ acpi_processor_hotplug_notify(acpi_handle handle, u32 event, void *data)
 		}
 
 		if ((pr->id < NR_CPUS) && (cpu_present(pr->id)))
-			kobject_uevent(&device->kobj, KOBJ_OFFLINE);
+			kobject_uevent(&device->dev.kobj, KOBJ_OFFLINE);
 		break;
 	default:
 		ACPI_DEBUG_PRINT((ACPI_DB_INFO,

drivers/acpi/system.c

@@ -32,6 +32,11 @@
 
 #define _COMPONENT		ACPI_SYSTEM_COMPONENT
 ACPI_MODULE_NAME("acpi_system")
+#ifdef MODULE_PARAM_PREFIX
+#undef MODULE_PARAM_PREFIX
+#endif
+#define MODULE_PARAM_PREFIX "acpi."
+
 #define ACPI_SYSTEM_CLASS		"system"
 #define ACPI_SYSTEM_DRIVER_NAME		"ACPI System Driver"
 #define ACPI_SYSTEM_DEVICE_NAME		"System"
@@ -40,9 +45,23 @@ ACPI_MODULE_NAME("acpi_system")
 #define ACPI_SYSTEM_FILE_DSDT		"dsdt"
 #define ACPI_SYSTEM_FILE_FADT		"fadt"
 
+/*
+ * Make ACPICA version work as module param
+ */
+static int param_get_acpica_version(char *buffer, struct kernel_param *kp) {
+	int result;
+
+	result = sprintf(buffer, "%x", ACPI_CA_VERSION);
+
+	return result;
+}
+
+module_param_call(acpica_version, NULL, param_get_acpica_version, NULL, 0444);
+
 /* --------------------------------------------------------------------------
                               FS Interface (/proc)
    -------------------------------------------------------------------------- */
+#ifdef CONFIG_ACPI_PROCFS
 
 static int acpi_system_read_info(struct seq_file *seq, void *offset)
 {
@@ -62,6 +81,7 @@ static const struct file_operations acpi_system_info_ops = {
 	.llseek = seq_lseek,
 	.release = single_release,
 };
+#endif
 
 static ssize_t acpi_system_read_dsdt(struct file *, char __user *, size_t,
 				     loff_t *);
@@ -125,6 +145,7 @@ static int __init acpi_system_init(void)
 	if (acpi_disabled)
 		return 0;
 
+#ifdef CONFIG_ACPI_PROCFS
 	/* 'info' [R] */
 	name = ACPI_SYSTEM_FILE_INFO;
 	entry = create_proc_entry(name, S_IRUGO, acpi_root_dir);
@@ -133,6 +154,7 @@ static int __init acpi_system_init(void)
 	else {
 		entry->proc_fops = &acpi_system_info_ops;
 	}
+#endif
 
 	/* 'dsdt' [R] */
 	name = ACPI_SYSTEM_FILE_DSDT;
@@ -156,7 +178,9 @@ static int __init acpi_system_init(void)
       Error:
 	remove_proc_entry(ACPI_SYSTEM_FILE_FADT, acpi_root_dir);
 	remove_proc_entry(ACPI_SYSTEM_FILE_DSDT, acpi_root_dir);
+#ifdef CONFIG_ACPI_PROCFS
 	remove_proc_entry(ACPI_SYSTEM_FILE_INFO, acpi_root_dir);
+#endif
 
 	error = -EFAULT;
 	goto Done;

drivers/acpi/thermal.c

@@ -82,7 +82,7 @@ MODULE_PARM_DESC(tzp, "Thermal zone polling frequency, in 1/10 seconds.\n");
 
 static int acpi_thermal_add(struct acpi_device *device);
 static int acpi_thermal_remove(struct acpi_device *device, int type);
-static int acpi_thermal_resume(struct acpi_device *device, int state);
+static int acpi_thermal_resume(struct acpi_device *device);
 static int acpi_thermal_state_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_temp_open_fs(struct inode *inode, struct file *file);
 static int acpi_thermal_trip_open_fs(struct inode *inode, struct file *file);
@@ -1353,7 +1353,7 @@ static int acpi_thermal_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int acpi_thermal_resume(struct acpi_device *device, int state)
+static int acpi_thermal_resume(struct acpi_device *device)
 {
 	struct acpi_thermal *tz = NULL;
 	int i;

drivers/acpi/video.c

@@ -73,16 +73,14 @@ MODULE_LICENSE("GPL");
 
 static int acpi_video_bus_add(struct acpi_device *device);
 static int acpi_video_bus_remove(struct acpi_device *device, int type);
-static int acpi_video_bus_match(struct acpi_device *device,
-				struct acpi_driver *driver);
 
 static struct acpi_driver acpi_video_bus = {
 	.name = ACPI_VIDEO_DRIVER_NAME,
 	.class = ACPI_VIDEO_CLASS,
+	.ids = ACPI_VIDEO_HID,
 	.ops = {
 		.add = acpi_video_bus_add,
 		.remove = acpi_video_bus_remove,
-		.match = acpi_video_bus_match,
 		},
 };
 
@@ -1885,39 +1883,6 @@ static int acpi_video_bus_remove(struct acpi_device *device, int type)
 	return 0;
 }
 
-static int
-acpi_video_bus_match(struct acpi_device *device, struct acpi_driver *driver)
-{
-	acpi_handle h_dummy1;
-	acpi_handle h_dummy2;
-	acpi_handle h_dummy3;
-
-
-	if (!device || !driver)
-		return -EINVAL;
-
-	/* Since there is no HID, CID for ACPI Video drivers, we have
-	 * to check well known required nodes for each feature we support.
-	 */
-
-	/* Does this device able to support video switching ? */
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOD", &h_dummy1)) &&
-	    ACPI_SUCCESS(acpi_get_handle(device->handle, "_DOS", &h_dummy2)))
-		return 0;
-
-	/* Does this device able to retrieve a video ROM ? */
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_ROM", &h_dummy1)))
-		return 0;
-
-	/* Does this device able to configure which video head to be POSTed ? */
-	if (ACPI_SUCCESS(acpi_get_handle(device->handle, "_VPO", &h_dummy1)) &&
-	    ACPI_SUCCESS(acpi_get_handle(device->handle, "_GPD", &h_dummy2)) &&
-	    ACPI_SUCCESS(acpi_get_handle(device->handle, "_SPD", &h_dummy3)))
-		return 0;
-
-	return -ENODEV;
-}
-
 static int __init acpi_video_init(void)
 {
 	int result = 0;

include/acpi/acpi_bus.h

@@ -91,13 +91,12 @@ typedef int (*acpi_op_remove) (struct acpi_device * device, int type);
 typedef int (*acpi_op_lock) (struct acpi_device * device, int type);
 typedef int (*acpi_op_start) (struct acpi_device * device);
 typedef int (*acpi_op_stop) (struct acpi_device * device, int type);
-typedef int (*acpi_op_suspend) (struct acpi_device * device, int state);
-typedef int (*acpi_op_resume) (struct acpi_device * device, int state);
+typedef int (*acpi_op_suspend) (struct acpi_device * device, pm_message_t state);
+typedef int (*acpi_op_resume) (struct acpi_device * device);
 typedef int (*acpi_op_scan) (struct acpi_device * device);
 typedef int (*acpi_op_bind) (struct acpi_device * device);
 typedef int (*acpi_op_unbind) (struct acpi_device * device);
-typedef int (*acpi_op_match) (struct acpi_device * device,
-			      struct acpi_driver * driver);
+typedef int (*acpi_op_shutdown) (struct acpi_device * device);
 
 struct acpi_bus_ops {
 	u32 acpi_op_add:1;
@@ -110,7 +109,7 @@ struct acpi_bus_ops {
 	u32 acpi_op_scan:1;
 	u32 acpi_op_bind:1;
 	u32 acpi_op_unbind:1;
-	u32 acpi_op_match:1;
+	u32 acpi_op_shutdown:1;
 	u32 reserved:21;
 };
 
@@ -125,16 +124,16 @@ struct acpi_device_ops {
 	acpi_op_scan scan;
 	acpi_op_bind bind;
 	acpi_op_unbind unbind;
-	acpi_op_match match;
+	acpi_op_shutdown shutdown;
 };
 
 struct acpi_driver {
-	struct list_head node;
 	char name[80];
 	char class[80];
-	atomic_t references;
 	char *ids;		/* Supported Hardware IDs */
 	struct acpi_device_ops ops;
+	struct device_driver drv;
+	struct module *owner;
 };
 
 /*
@@ -184,7 +183,7 @@ struct acpi_device_dir {
 
 typedef char acpi_bus_id[5];
 typedef unsigned long acpi_bus_address;
-typedef char acpi_hardware_id[9];
+typedef char acpi_hardware_id[15];
 typedef char acpi_unique_id[9];
 typedef char acpi_device_name[40];
 typedef char acpi_device_class[20];
@@ -295,11 +294,14 @@ struct acpi_device {
 	struct acpi_device_ops ops;
 	struct acpi_driver *driver;
 	void *driver_data;
-	struct kobject kobj;
 	struct device dev;
+	struct acpi_bus_ops bus_ops;	/* workaround for different code path for hotplug */
+	enum acpi_bus_removal_type removal_type; /* indicate for different removal type */
 };
 
 #define acpi_driver_data(d)	((d)->driver_data)
+#define to_acpi_device(d)	container_of(d, struct acpi_device, dev)
+#define to_acpi_driver(d)	container_of(d, struct acpi_driver, drv)
 
 /*
  * Events

include/acpi/acpi_drivers.h

@@ -36,13 +36,14 @@
 
 /* _HID definitions */
 
-#define ACPI_POWER_HID			"ACPI_PWR"
+#define ACPI_POWER_HID			"power_resource"
 #define ACPI_PROCESSOR_HID		"ACPI0007"
-#define ACPI_SYSTEM_HID			"ACPI_SYS"
-#define ACPI_THERMAL_HID		"ACPI_THM"
-#define ACPI_BUTTON_HID_POWERF		"ACPI_FPB"
-#define ACPI_BUTTON_HID_SLEEPF		"ACPI_FSB"
-
+#define ACPI_SYSTEM_HID			"acpi_system"
+#define ACPI_THERMAL_HID		"thermal"
+#define ACPI_BUTTON_HID_POWERF		"button_power"
+#define ACPI_BUTTON_HID_SLEEPF		"button_sleep"
+#define ACPI_VIDEO_HID			"video"
+#define ACPI_BAY_HID			"bay"
 /* --------------------------------------------------------------------------
                                        PCI
    -------------------------------------------------------------------------- */