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-rw-r--r--drivers/acpi/acpi_video.c1
-rw-r--r--drivers/acpi/battery.c9
-rw-r--r--drivers/acpi/button.c20
-rw-r--r--drivers/acpi/ec.c2
-rw-r--r--drivers/acpi/sbshc.c2
5 files changed, 14 insertions, 20 deletions
diff --git a/drivers/acpi/acpi_video.c b/drivers/acpi/acpi_video.c
index 69469757b965..3d6e7306f29a 100644
--- a/drivers/acpi/acpi_video.c
+++ b/drivers/acpi/acpi_video.c
@@ -2116,6 +2116,7 @@ static void acpi_video_bus_remove(struct platform_device *pdev)
kfree(video->attached_array);
kfree(video);
+ device->driver_data = NULL;
}
static int __init is_i740(struct pci_dev *dev)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 3bbddd6f622c..8fbad8bc4650 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -1066,9 +1066,6 @@ static void acpi_battery_notify(acpi_handle handle, u32 event, void *data)
struct acpi_device *device = battery->device;
struct power_supply *old;
- if (!battery)
- return;
-
guard(mutex)(&battery->update_lock);
old = battery->bat;
@@ -1274,13 +1271,9 @@ fail:
static void acpi_battery_remove(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
struct acpi_battery *battery = platform_get_drvdata(pdev);
- if (!device || !battery)
- return;
-
- acpi_dev_remove_notify_handler(device, ACPI_ALL_NOTIFY,
+ acpi_dev_remove_notify_handler(battery->device, ACPI_ALL_NOTIFY,
acpi_battery_notify);
device_init_wakeup(&pdev->dev, false);
diff --git a/drivers/acpi/button.c b/drivers/acpi/button.c
index b899b8745fed..7a06194d078b 100644
--- a/drivers/acpi/button.c
+++ b/drivers/acpi/button.c
@@ -170,7 +170,7 @@ static struct platform_driver acpi_button_driver = {
struct acpi_button {
struct acpi_device *adev;
- struct platform_device *pdev;
+ struct device *dev; /* physical button device */
unsigned int type;
struct input_dev *input;
char phys[32]; /* for input device */
@@ -398,7 +398,7 @@ static int acpi_lid_update_state(struct acpi_button *button,
return state;
if (state && signal_wakeup)
- acpi_pm_wakeup_event(&button->pdev->dev);
+ acpi_pm_wakeup_event(button->dev);
return acpi_lid_notify_state(button, state);
}
@@ -455,7 +455,7 @@ static void acpi_button_notify(acpi_handle handle, u32 event, void *data)
return;
}
- acpi_pm_wakeup_event(&button->pdev->dev);
+ acpi_pm_wakeup_event(button->dev);
if (button->suspended || event == ACPI_BUTTON_NOTIFY_WAKE)
return;
@@ -550,7 +550,7 @@ static int acpi_button_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, button);
- button->pdev = pdev;
+ button->dev = &pdev->dev;
button->adev = device;
button->input = input = input_allocate_device();
if (!input) {
@@ -625,6 +625,8 @@ static int acpi_button_probe(struct platform_device *pdev)
goto err_remove_fs;
}
+ device_init_wakeup(button->dev, true);
+
switch (device->device_type) {
case ACPI_BUS_TYPE_POWER_BUTTON:
status = acpi_install_fixed_event_handler(ACPI_EVENT_POWER_BUTTON,
@@ -655,11 +657,11 @@ static int acpi_button_probe(struct platform_device *pdev)
lid_device = device;
}
- device_init_wakeup(&pdev->dev, true);
pr_info("%s [%s]\n", name, acpi_device_bid(device));
return 0;
err_input_unregister:
+ device_init_wakeup(button->dev, false);
input_unregister_device(input);
err_remove_fs:
acpi_button_remove_fs(button);
@@ -670,10 +672,10 @@ err_free_button:
static void acpi_button_remove(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
struct acpi_button *button = platform_get_drvdata(pdev);
+ struct acpi_device *adev = button->adev;
- switch (device->device_type) {
+ switch (adev->device_type) {
case ACPI_BUS_TYPE_POWER_BUTTON:
acpi_remove_fixed_event_handler(ACPI_EVENT_POWER_BUTTON,
acpi_button_event);
@@ -683,7 +685,7 @@ static void acpi_button_remove(struct platform_device *pdev)
acpi_button_event);
break;
default:
- acpi_remove_notify_handler(device->handle, ACPI_DEVICE_NOTIFY,
+ acpi_remove_notify_handler(adev->handle, ACPI_DEVICE_NOTIFY,
button->type == ACPI_BUTTON_TYPE_LID ?
acpi_lid_notify :
acpi_button_notify);
@@ -691,6 +693,8 @@ static void acpi_button_remove(struct platform_device *pdev)
}
acpi_os_wait_events_complete();
+ device_init_wakeup(button->dev, false);
+
acpi_button_remove_fs(button);
input_unregister_device(button->input);
kfree(button);
diff --git a/drivers/acpi/ec.c b/drivers/acpi/ec.c
index 197970339edc..f7edc664e064 100644
--- a/drivers/acpi/ec.c
+++ b/drivers/acpi/ec.c
@@ -1754,12 +1754,10 @@ err:
static void acpi_ec_remove(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
struct acpi_ec *ec = platform_get_drvdata(pdev);
release_region(ec->data_addr, 1);
release_region(ec->command_addr, 1);
- device->driver_data = NULL;
if (ec != boot_ec) {
ec_remove_handlers(ec);
acpi_ec_free(ec);
diff --git a/drivers/acpi/sbshc.c b/drivers/acpi/sbshc.c
index 7fc8ae7396d3..cb60d1d52e3e 100644
--- a/drivers/acpi/sbshc.c
+++ b/drivers/acpi/sbshc.c
@@ -275,13 +275,11 @@ static int acpi_smbus_hc_probe(struct platform_device *pdev)
static void acpi_smbus_hc_remove(struct platform_device *pdev)
{
- struct acpi_device *device = ACPI_COMPANION(&pdev->dev);
struct acpi_smb_hc *hc = platform_get_drvdata(pdev);
acpi_ec_remove_query_handler(hc->ec, hc->query_bit);
acpi_os_wait_events_complete();
kfree(hc);
- device->driver_data = NULL;
}
module_platform_driver(acpi_smb_hc_driver);