@@ -34,6 +34,7 @@
#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>
@@ -61,39 +62,12 @@ 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;
};
@@ -115,15 +89,13 @@ static const struct file_operations acpi_ac_fops = {
static int acpi_ac_get_state(struct acpi_ac *ac)
{
- acpi_status status = AE_OK;
-
+ acpi_status status;
- if (!ac)
- return -EINVAL;
-
- 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;
}
@@ -201,36 +173,36 @@ 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)
+static int acpi_ac_add_fs(struct acpi_ac *ac)
{
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))
+ if (!acpi_device_dir(ac->adev)) {
+ acpi_device_dir(ac->adev) =
+ proc_mkdir(acpi_device_bid(ac->adev), acpi_ac_dir);
+ if (!acpi_device_dir(ac->adev))
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));
+ S_IRUGO, acpi_device_dir(ac->adev),
+ &acpi_ac_fops, ac);
if (!entry)
return -ENODEV;
return 0;
}
-static int acpi_ac_remove_fs(struct acpi_device *device)
+static int acpi_ac_remove_fs(struct acpi_ac *ac)
{
- 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;
+ if (acpi_device_dir(ac->adev)) {
+ remove_proc_entry(ACPI_AC_FILE_STATE,
+ acpi_device_dir(ac->adev));
+ remove_proc_entry(acpi_device_bid(ac->adev), acpi_ac_dir);
+ acpi_device_dir(ac->adev) = NULL;
}
return 0;
@@ -241,10 +213,9 @@ static int acpi_ac_remove_fs(struct acpi_device *device)
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 +238,10 @@ 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);
}
@@ -295,50 +266,61 @@ 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
+ result = acpi_ac_add_fs(ac);
if (result)
goto end;
- ac->charger.name = acpi_device_bid(device);
+#endif
+ 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);
+ acpi_ac_remove_fs(ac);
#endif
kfree(ac);
}
@@ -356,7 +338,7 @@ 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;
@@ -368,21 +350,24 @@ 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);
+ acpi_ac_remove_fs(ac);
#endif
kfree(ac);
@@ -390,6 +375,23 @@ static int acpi_ac_remove(struct acpi_device *device)
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;
@@ -403,7 +405,7 @@ static int __init acpi_ac_init(void)
return -ENODEV;
#endif
- result = acpi_bus_register_driver(&acpi_ac_driver);
+ result = platform_driver_register(&acpi_ac_driver);
if (result < 0) {
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_ac_dir(acpi_ac_dir);
@@ -416,15 +418,10 @@ static int __init acpi_ac_init(void)
static void __exit acpi_ac_exit(void)
{
-
- acpi_bus_unregister_driver(&acpi_ac_driver);
-
+ platform_driver_unregister(&acpi_ac_driver);
#ifdef CONFIG_ACPI_PROCFS_POWER
acpi_unlock_ac_dir(acpi_ac_dir);
#endif
-
- return;
}
-
module_init(acpi_ac_init);
module_exit(acpi_ac_exit);
@@ -29,6 +29,7 @@ ACPI_MODULE_NAME("platform");
static const struct acpi_device_id acpi_platform_device_ids[] = {
{ "PNP0D40" },
+ { "ACPI0003" },
{ }
};
Signed-off-by: Zhang Rui <rui.zhang@intel.com> --- drivers/acpi/ac.c | 163 +++++++++++++++++++++--------------------- drivers/acpi/acpi_platform.c | 1 + 2 files changed, 81 insertions(+), 83 deletions(-)