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Message-Id: <20230705094232.75904-4-angelogioacchino.delregno@collabora.com>
Date: Wed, 5 Jul 2023 11:42:32 +0200
From: AngeloGioacchino Del Regno
<angelogioacchino.delregno@...labora.com>
To: chunkuang.hu@...nel.org
Cc: p.zabel@...gutronix.de, airlied@...il.com, daniel@...ll.ch,
matthias.bgg@...il.com, angelogioacchino.delregno@...labora.com,
dri-devel@...ts.freedesktop.org,
linux-mediatek@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org, kernel@...labora.com,
Alexandre Mergnat <amergnat@...libre.com>,
CK Hu <ck.hu@...iatek.com>
Subject: [PATCH v2 3/3] drm/mediatek: Use devm variant for pm_runtime_enable() when possible
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.
Signed-off-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Reviewed-by: Alexandre Mergnat <amergnat@...libre.com>
Reviewed-by: CK Hu <ck.hu@...iatek.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 cfbc037a0f6d..0469076cf715 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -360,13 +360,13 @@ 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;
}
@@ -374,9 +374,6 @@ 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 ae05d9660592..a5d811c37207 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -299,20 +299,20 @@ 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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