On 13 July 2016 at 20:43, <weiyj_lk@xxxxxxx> wrote:
> From: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
>
> In case of error, the function devm_clk_get() returns ERR_PTR()
> and never returns NULL. The NULL test in the return value check
> should be replaced with IS_ERR().
>
> Signed-off-by: Wei Yongjun <yongjun_wei@xxxxxxxxxxxxxxxxx>
Hi, thanks. This patch had already applied to drm-hisilicon-next.
> ---
> drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c | 12 ++++++------
> 1 file changed, 6 insertions(+), 6 deletions(-)
>
> diff --git a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> index 805f432..c3707d4 100644
> --- a/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> +++ b/drivers/gpu/drm/hisilicon/kirin/kirin_drm_ade.c
> @@ -967,21 +967,21 @@ static int ade_dts_parse(struct platform_device *pdev, struct ade_hw_ctx *ctx)
> }
>
> ctx->ade_core_clk = devm_clk_get(dev, "clk_ade_core");
> - if (!ctx->ade_core_clk) {
> + if (IS_ERR(ctx->ade_core_clk)) {
> DRM_ERROR("failed to parse clk ADE_CORE\n");
> - return -ENODEV;
> + return PTR_ERR(ctx->ade_core_clk);
> }
>
> ctx->media_noc_clk = devm_clk_get(dev, "clk_codec_jpeg");
> - if (!ctx->media_noc_clk) {
> + if (IS_ERR(ctx->media_noc_clk)) {
> DRM_ERROR("failed to parse clk CODEC_JPEG\n");
> - return -ENODEV;
> + return PTR_ERR(ctx->media_noc_clk);
> }
>
> ctx->ade_pix_clk = devm_clk_get(dev, "clk_ade_pix");
> - if (!ctx->ade_pix_clk) {
> + if (IS_ERR(ctx->ade_pix_clk)) {
> DRM_ERROR("failed to parse clk ADE_PIX\n");
> - return -ENODEV;
> + return PTR_ERR(ctx->ade_pix_clk);
> }
>
> return 0;
>
>
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