Re: [PATCH] media: rockchip: rga: Fix probe rga_parse_dt bugs

From: Peter Geis
Date: Sun Aug 14 2022 - 09:14:10 EST


On Sun, Aug 14, 2022 at 6:10 AM Jarrah Gosbell <kernel@undef.tools> wrote:
>
> From: Ondrej Jirman <megi@xxxxxx>
>
> rga_parse_dt is missing a error return, so if some of the resources
> return DEFER_PROBE, probe will succeed without these resources.
>
> Signed-off-by: Ondrej Jirman <megi@xxxxxx>
> Signed-off-by: Jarrah Gosbell <kernel@undef.tools>
> ---
> drivers/media/platform/rockchip/rga/rga.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/media/platform/rockchip/rga/rga.c b/drivers/media/platform/rockchip/rga/rga.c
> index 2f8df74ad0fd..b88dd7ed2036 100644
> --- a/drivers/media/platform/rockchip/rga/rga.c
> +++ b/drivers/media/platform/rockchip/rga/rga.c
> @@ -815,8 +815,10 @@ static int rga_probe(struct platform_device *pdev)
> mutex_init(&rga->mutex);
>
> ret = rga_parse_dt(rga);
> - if (ret)
> + if (ret) {
> dev_err(&pdev->dev, "Unable to parse OF data\n");

If this can return EPROBE_DEFER, shouldn't this be dev_err_probe
instead of dev_err?

> + return ret;
> + }
>
> pm_runtime_enable(rga->dev);
>
> --
> 2.35.1
>
>
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