Merge git://git.kernel.org/pub/scm/linux/kernel/git/mingo/linux-2.6-sched

[linux-2.6-omap-h63xx.git] / drivers / acpi / ac.c

diff --git a/drivers/acpi/ac.c b/drivers/acpi/ac.c
index 11abc7bf777ef90626eac53d0aec8e32f0228bde..d8b35093527a3bbb8962c180b1b7792f5a2eb48b 100644 (file)
--- a/drivers/acpi/ac.c
+++ b/drivers/acpi/ac.c
@@ -34,8 +34,6 @@
 
 #define ACPI_AC_COMPONENT              0x00020000
 #define ACPI_AC_CLASS                  "ac_adapter"
-#define ACPI_AC_HID                    "ACPI0003"
-#define ACPI_AC_DRIVER_NAME            "ACPI AC Adapter Driver"
 #define ACPI_AC_DEVICE_NAME            "AC Adapter"
 #define ACPI_AC_FILE_STATE             "state"
 #define ACPI_AC_NOTIFY_STATUS          0x80
@@ -44,10 +42,10 @@
 #define ACPI_AC_STATUS_UNKNOWN         0xFF
 
 #define _COMPONENT             ACPI_AC_COMPONENT
-ACPI_MODULE_NAME("acpi_ac")
+ACPI_MODULE_NAME("ac");
 
-    MODULE_AUTHOR("Paul Diefenbaugh");
-MODULE_DESCRIPTION(ACPI_AC_DRIVER_NAME);
+MODULE_AUTHOR("Paul Diefenbaugh");
+MODULE_DESCRIPTION("ACPI AC Adapter Driver");
 MODULE_LICENSE("GPL");
 
 extern struct proc_dir_entry *acpi_lock_ac_dir(void);
@@ -57,10 +55,16 @@ static int acpi_ac_add(struct acpi_device *device);
 static int acpi_ac_remove(struct acpi_device *device, int type);
 static int acpi_ac_open_fs(struct inode *inode, struct file *file);
 
+const static struct acpi_device_id ac_device_ids[] = {
+       {"ACPI0003", 0},
+       {"", 0},
+};
+MODULE_DEVICE_TABLE(acpi, ac_device_ids);
+
 static struct acpi_driver acpi_ac_driver = {
-       .name = ACPI_AC_DRIVER_NAME,
+       .name = "ac",
        .class = ACPI_AC_CLASS,
-       .ids = ACPI_AC_HID,
+       .ids = ac_device_ids,
        .ops = {
                .add = acpi_ac_add,
                .remove = acpi_ac_remove,
@@ -109,7 +113,7 @@ static struct proc_dir_entry *acpi_ac_dir;
 
 static int acpi_ac_seq_show(struct seq_file *seq, void *offset)
 {
-       struct acpi_ac *ac = (struct acpi_ac *)seq->private;
+       struct acpi_ac *ac = seq->private;
 
 
        if (!ac)
@@ -187,7 +191,7 @@ static int acpi_ac_remove_fs(struct acpi_device *device)
 
 static void acpi_ac_notify(acpi_handle handle, u32 event, void *data)
 {
-       struct acpi_ac *ac = (struct acpi_ac *)data;
+       struct acpi_ac *ac = data;
        struct acpi_device *device = NULL;
 
 
@@ -221,10 +225,9 @@ static int acpi_ac_add(struct acpi_device *device)
        if (!device)
                return -EINVAL;
 
-       ac = kmalloc(sizeof(struct acpi_ac), GFP_KERNEL);
+       ac = kzalloc(sizeof(struct acpi_ac), GFP_KERNEL);
        if (!ac)
                return -ENOMEM;
-       memset(ac, 0, sizeof(struct acpi_ac));
 
        ac->device = device;
        strcpy(acpi_device_name(device), ACPI_AC_DEVICE_NAME);
@@ -269,7 +272,7 @@ static int acpi_ac_remove(struct acpi_device *device, int type)
        if (!device || !acpi_driver_data(device))
                return -EINVAL;
 
-       ac = (struct acpi_ac *)acpi_driver_data(device);
+       ac = acpi_driver_data(device);
 
        status = acpi_remove_notify_handler(device->handle,
                                            ACPI_ALL_NOTIFY, acpi_ac_notify);