Re: [PATCH] gnss: Use pm_runtime_resume_and_get instead of pm_runtime_get_sync

From: Johan Hovold
Date: Wed Apr 20 2022 - 04:03:21 EST


On Tue, Apr 19, 2022 at 11:06:42AM +0000, cgel.zte@xxxxxxxxx wrote:
> From: Minghao Chi <chi.minghao@xxxxxxxxxx>
>
> Using pm_runtime_resume_and_get() to replace pm_runtime_get_sync and
> pm_runtime_put_noidle. This change is just to simplify the code, no
> actual functional changes.
>
> Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
> Signed-off-by: Minghao Chi <chi.minghao@xxxxxxxxxx>
> ---
> drivers/gnss/serial.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/gnss/serial.c b/drivers/gnss/serial.c
> index 5d8e9bfb24d0..afa7a08d718e 100644
> --- a/drivers/gnss/serial.c
> +++ b/drivers/gnss/serial.c
> @@ -32,11 +32,9 @@ static int gnss_serial_open(struct gnss_device *gdev)
> serdev_device_set_baudrate(serdev, gserial->speed);
> serdev_device_set_flow_control(serdev, false);
>
> - ret = pm_runtime_get_sync(&serdev->dev);
> - if (ret < 0) {
> - pm_runtime_put_noidle(&serdev->dev);
> + ret = pm_runtime_resume_and_get(&serdev->dev);
> + if (ret < 0)
> goto err_close;
> - }
>
> return 0;

Same comments apply here:

https://lore.kernel.org/lkml/Yl+948unOoDFdLe2@xxxxxxxxxxxxxxxxxxxx/T/#t

Johan