Thread (23 messages) 23 messages, 5 authors, 2025-02-14

Re: [PATCH 04/12] drm/mediatek: move to devm_platform_ioremap_resource() usage

From: CK Hu (胡俊光) <hidden>
Date: 2025-02-07 02:15:19
Also in: dri-devel, linux-doc, linux-mediatek, linux-rockchip, linux-tegra, lkml

Hi, Anusha:

On Wed, 2025-02-05 at 15:08 -0500, Anusha Srivatsa wrote:
External email : Please do not click links or open attachments until you have verified the sender or the content.


Replace platform_get_resource + devm_ioremap_resource
with just devm_platform_ioremap_resource()

Used Coccinelle to do this change. SmPl patch:
@rule_1@
identifier res;
expression ioremap_res;
identifier pdev;
@@
-struct resource *res;
...
-res = platform_get_resource(pdev,...);
-ioremap_res = devm_ioremap_resource(...);
+ioremap_res = devm_platform_ioremap_resource(pdev,0);
Reviewed-by: CK Hu <redacted>
quoted hunk ↗ jump to hunk
Cc: Chun-Kuang Hu <chunkuang.hu@kernel.org>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Anusha Srivatsa <redacted>
---
 drivers/gpu/drm/mediatek/mtk_disp_color.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_gamma.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_merge.c | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_ovl.c   | 4 +---
 drivers/gpu/drm/mediatek/mtk_disp_rdma.c  | 4 +---
 drivers/gpu/drm/mediatek/mtk_dsi.c        | 4 +---
 drivers/gpu/drm/mediatek/mtk_hdmi.c       | 4 +---
 drivers/gpu/drm/mediatek/mtk_mdp_rdma.c   | 4 +---
 8 files changed, 8 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_color.c b/drivers/gpu/drm/mediatek/mtk_disp_color.c
index dd8433a38282a9ba1bcc3a4ddd01dd89738ccb60..39c7de4cdcc16b56a5a1d046aaabaf5580227ed2 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_color.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_color.c
@@ -96,7 +96,6 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct mtk_disp_color *priv;
-       struct resource *res;
        int ret;

        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -108,8 +107,7 @@ static int mtk_disp_color_probe(struct platform_device *pdev)
                return dev_err_probe(dev, PTR_ERR(priv->clk),
                                     "failed to get color clk\n");

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap color\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
index b17b11d93846f2019d8c4afb294375333e22dc42..8afd15006df2a21f3f52fe00eca3c5501f4fb76a 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_gamma.c
@@ -256,7 +256,6 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct mtk_disp_gamma *priv;
-       struct resource *res;
        int ret;

        priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
@@ -268,8 +267,7 @@ static int mtk_disp_gamma_probe(struct platform_device *pdev)
                return dev_err_probe(dev, PTR_ERR(priv->clk),
                                     "failed to get gamma clk\n");

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap gamma\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_merge.c b/drivers/gpu/drm/mediatek/mtk_disp_merge.c
index 563b1b248fbbb38ef03bb3e3ceecdd265961df60..b174dda091d3fbd16796e8e128b030fccf5b902c 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_merge.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_merge.c
@@ -306,7 +306,6 @@ static const struct component_ops mtk_disp_merge_component_ops = {
 static int mtk_disp_merge_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-       struct resource *res;
        struct mtk_disp_merge *priv;
        int ret;
@@ -314,8 +313,7 @@ static int mtk_disp_merge_probe(struct platform_device *pdev)
        if (!priv)
                return -ENOMEM;

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap merge\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
index df82cea4bb79c472acbb66e0df27fbad3e70bd20..d0581c4e3c999cf865fdd0aaf4c2f38dd404926e 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_ovl.c
@@ -604,7 +604,6 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct mtk_disp_ovl *priv;
-       struct resource *res;
        int irq;
        int ret;
@@ -621,8 +620,7 @@ static int mtk_disp_ovl_probe(struct platform_device *pdev)
                return dev_err_probe(dev, PTR_ERR(priv->clk),
                                     "failed to get ovl clk\n");

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap ovl\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
index bf47790e4d6be5d60070c63c15c75fa201cc4b27..c9d41d75e7f2a3af5820921b7e563da377ce8d0d 100644
--- a/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_disp_rdma.c
@@ -313,7 +313,6 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
        struct mtk_disp_rdma *priv;
-       struct resource *res;
        int irq;
        int ret;
@@ -330,8 +329,7 @@ static int mtk_disp_rdma_probe(struct platform_device *pdev)
                return dev_err_probe(dev, PTR_ERR(priv->clk),
                                     "failed to get rdma clk\n");

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap rdma\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_dsi.c b/drivers/gpu/drm/mediatek/mtk_dsi.c
index 40752f2320548fbf6c7de96b18e8a636ac9c31be..f298293471de49473dd05973383dc22f7d3b6c23 100644
--- a/drivers/gpu/drm/mediatek/mtk_dsi.c
+++ b/drivers/gpu/drm/mediatek/mtk_dsi.c
@@ -1192,7 +1192,6 @@ static int mtk_dsi_probe(struct platform_device *pdev)
 {
        struct mtk_dsi *dsi;
        struct device *dev = &pdev->dev;
-       struct resource *regs;
        int irq_num;
        int ret;
@@ -1217,8 +1216,7 @@ static int mtk_dsi_probe(struct platform_device *pdev)
        if (IS_ERR(dsi->hs_clk))
                return dev_err_probe(dev, PTR_ERR(dsi->hs_clk), "Failed to get hs clock\n");

-       regs = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       dsi->regs = devm_ioremap_resource(dev, regs);
+       dsi->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(dsi->regs))
                return dev_err_probe(dev, PTR_ERR(dsi->regs), "Failed to ioremap memory\n");
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c
index ca82bc829cb96446d4d34eeef45848df03bd716b..d729c13590cb5ec176f15b680c262a26b677e6aa 100644
--- a/drivers/gpu/drm/mediatek/mtk_hdmi.c
+++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c
@@ -1425,7 +1425,6 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
        struct device_node *cec_np, *remote, *i2c_np;
        struct platform_device *cec_pdev;
        struct regmap *regmap;
-       struct resource *mem;
        int ret;

        ret = mtk_hdmi_get_all_clk(hdmi, np);
@@ -1471,8 +1470,7 @@ static int mtk_hdmi_dt_parse_pdata(struct mtk_hdmi *hdmi,
        }
        hdmi->sys_regmap = regmap;

-       mem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       hdmi->regs = devm_ioremap_resource(dev, mem);
+       hdmi->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(hdmi->regs)) {
                ret = PTR_ERR(hdmi->regs);
                goto put_device;
diff --git a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
index fc69ee38ce7d6a245a7460cfde8de426e83b2e80..7982788ae9df51f1a378d8d538737f38af7299f2 100644
--- a/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
+++ b/drivers/gpu/drm/mediatek/mtk_mdp_rdma.c
@@ -291,7 +291,6 @@ static const struct component_ops mtk_mdp_rdma_component_ops = {
 static int mtk_mdp_rdma_probe(struct platform_device *pdev)
 {
        struct device *dev = &pdev->dev;
-       struct resource *res;
        struct mtk_mdp_rdma *priv;
        int ret = 0;
@@ -299,8 +298,7 @@ static int mtk_mdp_rdma_probe(struct platform_device *pdev)
        if (!priv)
                return -ENOMEM;

-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       priv->regs = devm_ioremap_resource(dev, res);
+       priv->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(priv->regs))
                return dev_err_probe(dev, PTR_ERR(priv->regs),
                                     "failed to ioremap rdma\n");

--
2.47.0
  
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