Messages in this thread Patch in this message | ![/](/images/icornerl.gif) | | From | CK Hu (胡俊光) <> | Subject | Re: [PATCH 3/3] drm/mediatek: Use devm variant for pm_runtime_enable() when possible | Date | Tue, 4 Jul 2023 09:24:11 +0000 |
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Hi, Angelo:
On Thu, 2023-06-08 at 12:12 +0200, AngeloGioacchino Del Regno wrote: > > External email : Please do not click links or open attachments until > you have verified the sender or the content. > Simplify the error path of return functions and drop the call to > pm_runtime_disable() in remove functions by switching to > devm_pm_runtime_enable() where possible.
Reviewed-by: CK Hu <ck.hu@mediatek.com>
> > Signed-off-by: AngeloGioacchino Del Regno < > angelogioacchino.delregno@collabora.com> > --- > drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c | 9 ++++----- > drivers/gpu/drm/mediatek/mtk_disp_rdma.c | 11 ++++------- > drivers/gpu/drm/mediatek/mtk_mdp_rdma.c | 10 +++++----- > 3 files changed, 13 insertions(+), 17 deletions(-) > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > index 1993b688befa..14e8ad6c78c3 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl_adaptor.c > @@ -519,13 +519,13 @@ static int mtk_disp_ovl_adaptor_probe(struct > platform_device *pdev) > > component_master_add_with_match(dev, > &mtk_disp_ovl_adaptor_master_ops, match); > > - pm_runtime_enable(dev); > + ret = devm_pm_runtime_enable(dev); > + if (ret) > + return ret; > > ret = component_add(dev, &mtk_disp_ovl_adaptor_comp_ops); > - if (ret) { > - pm_runtime_disable(dev); > + if (ret) > return dev_err_probe(dev, ret, "Failed to add > component\n"); > - } > > return 0; > } > @@ -533,7 +533,6 @@ static int mtk_disp_ovl_adaptor_probe(struct > platform_device *pdev) > static int mtk_disp_ovl_adaptor_remove(struct platform_device *pdev) > { > component_master_del(&pdev->dev, > &mtk_disp_ovl_adaptor_master_ops); > - pm_runtime_disable(&pdev->dev); > return 0; > } > > diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > index 307be35b59fc..5e90b6d593f5 100644 > --- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > +++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c > @@ -361,13 +361,13 @@ static int mtk_disp_rdma_probe(struct > platform_device *pdev) > > platform_set_drvdata(pdev, priv); > > - pm_runtime_enable(dev); > + ret = devm_pm_runtime_enable(dev); > + if (ret) > + return ret; > > ret = component_add(dev, &mtk_disp_rdma_component_ops); > - if (ret) { > - pm_runtime_disable(dev); > + if (ret) > return dev_err_probe(dev, ret, "Failed to add > component\n"); > - } > > return 0; > } > @@ -375,9 +375,6 @@ static int mtk_disp_rdma_probe(struct > platform_device *pdev) > static int mtk_disp_rdma_remove(struct platform_device *pdev) > { > component_del(&pdev->dev, &mtk_disp_rdma_component_ops); > - > - pm_runtime_disable(&pdev->dev); > - > return 0; > } > > diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c > b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c > index ed519b5a3273..93ef05ec9720 100644 > --- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c > +++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c > @@ -300,20 +300,20 @@ static int mtk_mdp_rdma_probe(struct > platform_device *pdev) > #endif > platform_set_drvdata(pdev, priv); > > - pm_runtime_enable(dev); > + ret = devm_pm_runtime_enable(dev); > + if (ret) > + return ret; > > ret = component_add(dev, &mtk_mdp_rdma_component_ops); > - if (ret) { > - pm_runtime_disable(dev); > + if (ret) > return dev_err_probe(dev, ret, "Failed to add > component\n"); > - } > + > return 0; > } > > static int mtk_mdp_rdma_remove(struct platform_device *pdev) > { > component_del(&pdev->dev, &mtk_mdp_rdma_component_ops); > - pm_runtime_disable(&pdev->dev); > return 0; > } > > -- > 2.40.1
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