[PATCH] drm/exynos: Make use of the helper function devm_platform_ioremap_resource()

Subsystems: drm drivers, drm drivers for exynos, the rest

STALE1793d

2 messages, 2 authors, 2021-09-16 · open the first message on its own page

[PATCH] drm/exynos: Make use of the helper function devm_platform_ioremap_resource()

From: Cai Huoqing <hidden>
Date: 2021-08-31 07:52:06

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Signed-off-by: Cai Huoqing <redacted>
---
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c      | 5 +----
 drivers/gpu/drm/exynos/exynos_drm_fimd.c      | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_g2d.c       | 5 +----
 drivers/gpu/drm/exynos/exynos_drm_gsc.c       | 6 +-----
 drivers/gpu/drm/exynos/exynos_drm_rotator.c   | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_scaler.c    | 4 +---
 drivers/gpu/drm/exynos/exynos_hdmi.c          | 4 +---
 9 files changed, 9 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 9870c4e6af36..b5001db7a95c 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c

@@ -793,7 +793,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct decon_context *ctx;
-	struct resource *res;
 	int ret;
 	int i;

@@ -818,8 +817,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 		ctx->clks[i] = clk;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->addr = devm_ioremap_resource(dev, res);
+	ctx->addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->addr))
 		return PTR_ERR(ctx->addr);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e39fac889edc..8d137857818c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c

@@ -1738,7 +1738,6 @@ static const struct component_ops exynos_dsi_component_ops = {
 static int exynos_dsi_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct exynos_dsi *dsi;
 	int ret, i;

@@ -1789,8 +1788,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 		}
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dsi->reg_base = devm_ioremap_resource(dev, res);
+	dsi->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dsi->reg_base))
 		return PTR_ERR(dsi->reg_base);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index a3c718148c45..ecfd82d0afb7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c

@@ -85,7 +85,6 @@ struct fimc_scaler {
 /*
  * A structure of fimc context.
  *
- * @regs_res: register resources.
  * @regs: memory mapped io registers.
  * @lock: locking of operations.
  * @clocks: fimc clocks.

@@ -103,7 +102,6 @@ struct fimc_context {
 	struct exynos_drm_ipp_formats	*formats;
 	unsigned int			num_formats;
 
-	struct resource	*regs_res;
 	void __iomem	*regs;
 	spinlock_t	lock;
 	struct clk	*clocks[FIMC_CLKS_MAX];

@@ -1327,8 +1325,7 @@ static int fimc_probe(struct platform_device *pdev)
 	ctx->num_formats = num_formats;
 
 	/* resource memory */
-	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 700ca4fa6665..c735e53939d8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -1202,9 +1202,7 @@ static int fimd_probe(struct platform_device *pdev)
 		return PTR_ERR(ctx->lcd_clk);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	ctx->regs = devm_ioremap_resource(dev, res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index b00230626c6a..471fd6c8135f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c

@@ -1449,7 +1449,6 @@ static const struct component_ops g2d_component_ops = {
 static int g2d_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct g2d_data *g2d;
 	int ret;

@@ -1491,9 +1490,7 @@ static int g2d_probe(struct platform_device *pdev)
 	clear_bit(G2D_BIT_SUSPEND_RUNQUEUE, &g2d->flags);
 	clear_bit(G2D_BIT_ENGINE_BUSY, &g2d->flags);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	g2d->regs = devm_ioremap_resource(dev, res);
+	g2d->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(g2d->regs)) {
 		ret = PTR_ERR(g2d->regs);
 		goto err_put_clk;

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 90d7bf906885..166a80262896 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c

@@ -86,7 +86,6 @@ struct gsc_scaler {
 /*
  * A structure of gsc context.
  *
- * @regs_res: register resources.
  * @regs: memory mapped io registers.
  * @gsc_clk: gsc gate clock.
  * @sc: scaler infomations.

@@ -103,7 +102,6 @@ struct gsc_context {
 	struct exynos_drm_ipp_formats	*formats;
 	unsigned int			num_formats;
 
-	struct resource	*regs_res;
 	void __iomem	*regs;
 	const char	**clk_names;
 	struct clk	*clocks[GSC_MAX_CLOCKS];

@@ -1272,9 +1270,7 @@ static int gsc_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* resource memory */
-	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index ee61be4cf152..dec7df35baa9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c

@@ -278,7 +278,6 @@ static const struct component_ops rotator_component_ops = {
 static int rotator_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource	*regs_res;
 	struct rot_context *rot;
 	const struct rot_variant *variant;
 	int irq;

@@ -292,8 +291,7 @@ static int rotator_probe(struct platform_device *pdev)
 	rot->formats = variant->formats;
 	rot->num_formats = variant->num_formats;
 	rot->dev = dev;
-	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	rot->regs = devm_ioremap_resource(dev, regs_res);
+	rot->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rot->regs))
 		return PTR_ERR(rot->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
index f9ae5b038d59..3a7851b7dc66 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c

@@ -485,7 +485,6 @@ static const struct component_ops scaler_component_ops = {
 static int scaler_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource	*regs_res;
 	struct scaler_context *scaler;
 	int irq;
 	int ret, i;

@@ -498,8 +497,7 @@ static int scaler_probe(struct platform_device *pdev)
 		(struct scaler_data *)of_device_get_match_data(dev);
 
 	scaler->dev = dev;
-	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	scaler->regs = devm_ioremap_resource(dev, regs_res);
+	scaler->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(scaler->regs))
 		return PTR_ERR(scaler->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index c769dec576de..7655142a4651 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -1957,7 +1957,6 @@ static int hdmi_probe(struct platform_device *pdev)
 	struct hdmi_audio_infoframe *audio_infoframe;
 	struct device *dev = &pdev->dev;
 	struct hdmi_context *hdata;
-	struct resource *res;
 	int ret;
 
 	hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);

@@ -1979,8 +1978,7 @@ static int hdmi_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hdata->regs = devm_ioremap_resource(dev, res);
+	hdata->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hdata->regs)) {
 		ret = PTR_ERR(hdata->regs);
 		return ret;

-- 
2.25.1


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Re: [PATCH] drm/exynos: Make use of the helper function devm_platform_ioremap_resource()

From: Inki Dae <inki.dae@samsung.com>
Date: 2021-09-16 05:28:12


21. 8. 31. 오후 4:49에 Cai Huoqing 이(가) 쓴 글:

Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately

Picked it up.

Thanks,
Inki Dae

quoted hunk

Signed-off-by: Cai Huoqing <redacted>
---
 drivers/gpu/drm/exynos/exynos5433_drm_decon.c | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_dsi.c       | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_fimc.c      | 5 +----
 drivers/gpu/drm/exynos/exynos_drm_fimd.c      | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_g2d.c       | 5 +----
 drivers/gpu/drm/exynos/exynos_drm_gsc.c       | 6 +-----
 drivers/gpu/drm/exynos/exynos_drm_rotator.c   | 4 +---
 drivers/gpu/drm/exynos/exynos_drm_scaler.c    | 4 +---
 drivers/gpu/drm/exynos/exynos_hdmi.c          | 4 +---
 9 files changed, 9 insertions(+), 31 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
index 9870c4e6af36..b5001db7a95c 100644
--- a/drivers/gpu/drm/exynos/exynos5433_drm_decon.c
+++ b/drivers/gpu/drm/exynos/exynos5433_drm_decon.c

@@ -793,7 +793,6 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
 	struct decon_context *ctx;
-	struct resource *res;
 	int ret;
 	int i;

@@ -818,8 +817,7 @@ static int exynos5433_decon_probe(struct platform_device *pdev)
 		ctx->clks[i] = clk;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->addr = devm_ioremap_resource(dev, res);
+	ctx->addr = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->addr))
 		return PTR_ERR(ctx->addr);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dsi.c b/drivers/gpu/drm/exynos/exynos_drm_dsi.c
index e39fac889edc..8d137857818c 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dsi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dsi.c

@@ -1738,7 +1738,6 @@ static const struct component_ops exynos_dsi_component_ops = {
 static int exynos_dsi_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct exynos_dsi *dsi;
 	int ret, i;

@@ -1789,8 +1788,7 @@ static int exynos_dsi_probe(struct platform_device *pdev)
 		}
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	dsi->reg_base = devm_ioremap_resource(dev, res);
+	dsi->reg_base = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(dsi->reg_base))
 		return PTR_ERR(dsi->reg_base);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimc.c b/drivers/gpu/drm/exynos/exynos_drm_fimc.c
index a3c718148c45..ecfd82d0afb7 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimc.c

@@ -85,7 +85,6 @@ struct fimc_scaler {
 /*
  * A structure of fimc context.
  *
- * @regs_res: register resources.
  * @regs: memory mapped io registers.
  * @lock: locking of operations.
  * @clocks: fimc clocks.

@@ -103,7 +102,6 @@ struct fimc_context {
 	struct exynos_drm_ipp_formats	*formats;
 	unsigned int			num_formats;
 
-	struct resource	*regs_res;
 	void __iomem	*regs;
 	spinlock_t	lock;
 	struct clk	*clocks[FIMC_CLKS_MAX];

@@ -1327,8 +1325,7 @@ static int fimc_probe(struct platform_device *pdev)
 	ctx->num_formats = num_formats;
 
 	/* resource memory */
-	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c
index 700ca4fa6665..c735e53939d8 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c

@@ -1202,9 +1202,7 @@ static int fimd_probe(struct platform_device *pdev)
 		return PTR_ERR(ctx->lcd_clk);
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	ctx->regs = devm_ioremap_resource(dev, res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c
index b00230626c6a..471fd6c8135f 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c

@@ -1449,7 +1449,6 @@ static const struct component_ops g2d_component_ops = {
 static int g2d_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource *res;
 	struct g2d_data *g2d;
 	int ret;

@@ -1491,9 +1490,7 @@ static int g2d_probe(struct platform_device *pdev)
 	clear_bit(G2D_BIT_SUSPEND_RUNQUEUE, &g2d->flags);
 	clear_bit(G2D_BIT_ENGINE_BUSY, &g2d->flags);
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-
-	g2d->regs = devm_ioremap_resource(dev, res);
+	g2d->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(g2d->regs)) {
 		ret = PTR_ERR(g2d->regs);
 		goto err_put_clk;

diff --git a/drivers/gpu/drm/exynos/exynos_drm_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 90d7bf906885..166a80262896 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c

@@ -86,7 +86,6 @@ struct gsc_scaler {
 /*
  * A structure of gsc context.
  *
- * @regs_res: register resources.
  * @regs: memory mapped io registers.
  * @gsc_clk: gsc gate clock.
  * @sc: scaler infomations.

@@ -103,7 +102,6 @@ struct gsc_context {
 	struct exynos_drm_ipp_formats	*formats;
 	unsigned int			num_formats;
 
-	struct resource	*regs_res;
 	void __iomem	*regs;
 	const char	**clk_names;
 	struct clk	*clocks[GSC_MAX_CLOCKS];

@@ -1272,9 +1270,7 @@ static int gsc_probe(struct platform_device *pdev)
 		}
 	}
 
-	/* resource memory */
-	ctx->regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	ctx->regs = devm_ioremap_resource(dev, ctx->regs_res);
+	ctx->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(ctx->regs))
 		return PTR_ERR(ctx->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_rotator.c b/drivers/gpu/drm/exynos/exynos_drm_rotator.c
index ee61be4cf152..dec7df35baa9 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_rotator.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_rotator.c

@@ -278,7 +278,6 @@ static const struct component_ops rotator_component_ops = {
 static int rotator_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource	*regs_res;
 	struct rot_context *rot;
 	const struct rot_variant *variant;
 	int irq;

@@ -292,8 +291,7 @@ static int rotator_probe(struct platform_device *pdev)
 	rot->formats = variant->formats;
 	rot->num_formats = variant->num_formats;
 	rot->dev = dev;
-	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	rot->regs = devm_ioremap_resource(dev, regs_res);
+	rot->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(rot->regs))
 		return PTR_ERR(rot->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_drm_scaler.c b/drivers/gpu/drm/exynos/exynos_drm_scaler.c
index f9ae5b038d59..3a7851b7dc66 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_scaler.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_scaler.c

@@ -485,7 +485,6 @@ static const struct component_ops scaler_component_ops = {
 static int scaler_probe(struct platform_device *pdev)
 {
 	struct device *dev = &pdev->dev;
-	struct resource	*regs_res;
 	struct scaler_context *scaler;
 	int irq;
 	int ret, i;

@@ -498,8 +497,7 @@ static int scaler_probe(struct platform_device *pdev)
 		(struct scaler_data *)of_device_get_match_data(dev);
 
 	scaler->dev = dev;
-	regs_res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	scaler->regs = devm_ioremap_resource(dev, regs_res);
+	scaler->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(scaler->regs))
 		return PTR_ERR(scaler->regs);

diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c
index c769dec576de..7655142a4651 100644
--- a/drivers/gpu/drm/exynos/exynos_hdmi.c
+++ b/drivers/gpu/drm/exynos/exynos_hdmi.c

@@ -1957,7 +1957,6 @@ static int hdmi_probe(struct platform_device *pdev)
 	struct hdmi_audio_infoframe *audio_infoframe;
 	struct device *dev = &pdev->dev;
 	struct hdmi_context *hdata;
-	struct resource *res;
 	int ret;
 
 	hdata = devm_kzalloc(dev, sizeof(struct hdmi_context), GFP_KERNEL);

@@ -1979,8 +1978,7 @@ static int hdmi_probe(struct platform_device *pdev)
 		return ret;
 	}
 
-	res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-	hdata->regs = devm_ioremap_resource(dev, res);
+	hdata->regs = devm_platform_ioremap_resource(pdev, 0);
 	if (IS_ERR(hdata->regs)) {
 		ret = PTR_ERR(hdata->regs);
 		return ret;

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