It is not valid to call pm_runtime_set_suspended() and
pm_runtime_set_active() for devices with runtime PM enabled because it
returns -EAGAIN if it is enabled already and working. So, adjust the
order to fix it.
Cc: stable@xxxxxxxxxxxxxxx
Fixes: 5f9a089b6de3 ("dw9768: Enable low-power probe on ACPI")
Suggested-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Jinjie Ruan <ruanjinjie@xxxxxxxxxx>
---
v2:
- !pm_runtime_enabled() check -> !IS_ENABLED(CONFIG_PM).
- Add suggested-by.
- Cc stable.
---
drivers/media/i2c/dw9768.c | 10 +++++-----
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/media/i2c/dw9768.c b/drivers/media/i2c/dw9768.c
index 18ef2b35c9aa..87a7c3ceeb11 100644
--- a/drivers/media/i2c/dw9768.c
+++ b/drivers/media/i2c/dw9768.c
@@ -471,10 +471,9 @@ static int dw9768_probe(struct i2c_client *client)
* to be powered on in an ACPI system. Similarly for power off in
* remove.
*/
- pm_runtime_enable(dev);
full_power = (is_acpi_node(dev_fwnode(dev)) &&
acpi_dev_state_d0(dev)) ||
- (is_of_node(dev_fwnode(dev)) && !pm_runtime_enabled(dev));
+ (is_of_node(dev_fwnode(dev)) && !IS_ENABLED(CONFIG_PM));
if (full_power) {
ret = dw9768_runtime_resume(dev);
if (ret < 0) {
@@ -484,6 +483,7 @@ static int dw9768_probe(struct i2c_client *client)
pm_runtime_set_active(dev);
}
+ pm_runtime_enable(dev);
ret = v4l2_async_register_subdev(&dw9768->sd);
if (ret < 0) {
dev_err(dev, "failed to register V4L2 subdev: %d", ret);
@@ -495,12 +495,12 @@ static int dw9768_probe(struct i2c_client *client)
return 0;
err_power_off:
+ pm_runtime_disable(dev);
if (full_power) {
dw9768_runtime_suspend(dev);
pm_runtime_set_suspended(dev);
}
err_clean_entity:
- pm_runtime_disable(dev);
media_entity_cleanup(&dw9768->sd.entity);
err_free_handler:
v4l2_ctrl_handler_free(&dw9768->ctrls);
@@ -517,12 +517,12 @@ static void dw9768_remove(struct i2c_client *client)
v4l2_async_unregister_subdev(&dw9768->sd);
v4l2_ctrl_handler_free(&dw9768->ctrls);
media_entity_cleanup(&dw9768->sd.entity);
+ pm_runtime_disable(dev);
if ((is_acpi_node(dev_fwnode(dev)) && acpi_dev_state_d0(dev)) ||
- (is_of_node(dev_fwnode(dev)) && !pm_runtime_enabled(dev))) {
+ (is_of_node(dev_fwnode(dev)) && !IS_ENABLED(CONFIG_PM))) {
dw9768_runtime_suspend(dev);
pm_runtime_set_suspended(dev);
}
- pm_runtime_disable(dev);
}
static const struct of_device_id dw9768_of_table[] = {
--
2.34.1
