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SubjectRe: [PATCH V2] media: imx: imx8mq-mipi_csi2: Remove unneeded code
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Reminder.

On 1/28/22 10:07 PM, Muhammad Usama Anjum wrote:
> ret is constant in imx8mq_mipi_csi_pm_suspend(). This function cannot
> return error. Remove the return variable. Simplify other functions which
> are using this function.
>
> Signed-off-by: Muhammad Usama Anjum <usama.anjum@collabora.com>
> ---
> Changes in V2:
> Removed fixes tag
> ---
> drivers/staging/media/imx/imx8mq-mipi-csi2.c | 16 ++++------------
> 1 file changed, 4 insertions(+), 12 deletions(-)
>
> diff --git a/drivers/staging/media/imx/imx8mq-mipi-csi2.c b/drivers/staging/media/imx/imx8mq-mipi-csi2.c
> index 3b9fa75efac6b..c992b845e63d1 100644
> --- a/drivers/staging/media/imx/imx8mq-mipi-csi2.c
> +++ b/drivers/staging/media/imx/imx8mq-mipi-csi2.c
> @@ -693,11 +693,10 @@ static int imx8mq_mipi_csi_async_register(struct csi_state *state)
> * Suspend/resume
> */
>
> -static int imx8mq_mipi_csi_pm_suspend(struct device *dev)
> +static void imx8mq_mipi_csi_pm_suspend(struct device *dev)
> {
> struct v4l2_subdev *sd = dev_get_drvdata(dev);
> struct csi_state *state = mipi_sd_to_csi2_state(sd);
> - int ret = 0;
>
> mutex_lock(&state->lock);
>
> @@ -708,8 +707,6 @@ static int imx8mq_mipi_csi_pm_suspend(struct device *dev)
> }
>
> mutex_unlock(&state->lock);
> -
> - return ret ? -EAGAIN : 0;
> }
>
> static int imx8mq_mipi_csi_pm_resume(struct device *dev)
> @@ -742,15 +739,12 @@ static int __maybe_unused imx8mq_mipi_csi_suspend(struct device *dev)
> {
> struct v4l2_subdev *sd = dev_get_drvdata(dev);
> struct csi_state *state = mipi_sd_to_csi2_state(sd);
> - int ret;
>
> - ret = imx8mq_mipi_csi_pm_suspend(dev);
> - if (ret)
> - return ret;
> + imx8mq_mipi_csi_pm_suspend(dev);
>
> state->state |= ST_SUSPENDED;
>
> - return ret;
> + return 0;
> }
>
> static int __maybe_unused imx8mq_mipi_csi_resume(struct device *dev)
> @@ -770,9 +764,7 @@ static int __maybe_unused imx8mq_mipi_csi_runtime_suspend(struct device *dev)
> struct csi_state *state = mipi_sd_to_csi2_state(sd);
> int ret;
>
> - ret = imx8mq_mipi_csi_pm_suspend(dev);
> - if (ret)
> - return ret;
> + imx8mq_mipi_csi_pm_suspend(dev);
>
> ret = icc_set_bw(state->icc_path, 0, 0);
> if (ret)

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