Re: [PATCH v2] drm/bridge: thc63lvd1024: Use dev_err_probe()

From: Laurent Pinchart
Date: Thu Mar 27 2025 - 04:45:42 EST


Hi Zhang and Shao,

On Thu, Mar 27, 2025 at 11:52:49AM +0800, shao.mingyin@xxxxxxxxxx wrote:
> From: Zhang Enpei <zhang.enpei@xxxxxxxxxx>
>
> Replace the open-code with dev_err_probe() to simplify the code.
>
> Signed-off-by: Zhang Enpei <zhang.enpei@xxxxxxxxxx>
> Signed-off-by: Shao Mingyin <shao.mingyin@xxxxxxxxxx>

Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@xxxxxxxxxxxxxxxx>

> ---
> v2:
> - reduce a PTR_ERR call since dev_err_probe() will add
> the error value to the message
> drivers/gpu/drm/bridge/thc63lvd1024.c | 11 +++--------
> 1 file changed, 3 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/gpu/drm/bridge/thc63lvd1024.c b/drivers/gpu/drm/bridge/thc63lvd1024.c
> index bba10cf9b4f9..8f3096fa3dd7 100644
> --- a/drivers/gpu/drm/bridge/thc63lvd1024.c
> +++ b/drivers/gpu/drm/bridge/thc63lvd1024.c
> @@ -188,14 +188,9 @@ static int thc63_probe(struct platform_device *pdev)
> platform_set_drvdata(pdev, thc63);
>
> thc63->vcc = devm_regulator_get(thc63->dev, "vcc");
> - if (IS_ERR(thc63->vcc)) {
> - if (PTR_ERR(thc63->vcc) == -EPROBE_DEFER)
> - return -EPROBE_DEFER;
> -
> - dev_err(thc63->dev, "Unable to get \"vcc\" supply: %ld\n",
> - PTR_ERR(thc63->vcc));
> - return PTR_ERR(thc63->vcc);
> - }
> + if (IS_ERR(thc63->vcc))
> + return dev_err_probe(thc63->dev, PTR_ERR(thc63->vcc),
> + "Unable to get \"vcc\" supply\n");
>
> ret = thc63_gpio_init(thc63);
> if (ret)

--
Regards,

Laurent Pinchart