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Message-ID: <20210831135740.4826-1-caihuoqing@baidu.com>
Date: Tue, 31 Aug 2021 21:57:39 +0800
From: Cai Huoqing <caihuoqing@...du.com>
To: <caihuoqing@...du.com>
CC: Maxime Ripard <mripard@...nel.org>, Chen-Yu Tsai <wens@...e.org>,
"David Airlie" <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
Jernej Skrabec <jernej.skrabec@...il.com>,
<dri-devel@...ts.freedesktop.org>,
<linux-arm-kernel@...ts.infradead.org>,
<linux-sunxi@...ts.linux.dev>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] drm/sun4i: Make use of the helper function devm_platform_ioremap_resource()
Use the devm_platform_ioremap_resource() helper instead of
calling platform_get_resource() and devm_ioremap_resource()
separately
Signed-off-by: Cai Huoqing <caihuoqing@...du.com>
---
drivers/gpu/drm/sun4i/sun4i_backend.c | 4 +---
drivers/gpu/drm/sun4i/sun4i_frontend.c | 4 +---
drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c | 4 +---
drivers/gpu/drm/sun4i/sun4i_tcon.c | 4 +---
drivers/gpu/drm/sun4i/sun4i_tv.c | 4 +---
drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c | 4 +---
drivers/gpu/drm/sun4i/sun8i_mixer.c | 4 +---
drivers/gpu/drm/sun4i/sun8i_tcon_top.c | 4 +---
8 files changed, 8 insertions(+), 24 deletions(-)
diff --git a/drivers/gpu/drm/sun4i/sun4i_backend.c b/drivers/gpu/drm/sun4i/sun4i_backend.c
index bf8cfefa0365..f52ff4e6c662 100644
--- a/drivers/gpu/drm/sun4i/sun4i_backend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_backend.c
@@ -782,7 +782,6 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
struct sun4i_drv *drv = drm->dev_private;
struct sun4i_backend *backend;
const struct sun4i_backend_quirks *quirks;
- struct resource *res;
void __iomem *regs;
int i, ret;
@@ -815,8 +814,7 @@ static int sun4i_backend_bind(struct device *dev, struct device *master,
if (IS_ERR(backend->frontend))
dev_warn(dev, "Couldn't find matching frontend, frontend features disabled\n");
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
diff --git a/drivers/gpu/drm/sun4i/sun4i_frontend.c b/drivers/gpu/drm/sun4i/sun4i_frontend.c
index edb60ae0a9b7..56ae38389db0 100644
--- a/drivers/gpu/drm/sun4i/sun4i_frontend.c
+++ b/drivers/gpu/drm/sun4i/sun4i_frontend.c
@@ -561,7 +561,6 @@ static int sun4i_frontend_bind(struct device *dev, struct device *master,
struct sun4i_frontend *frontend;
struct drm_device *drm = data;
struct sun4i_drv *drv = drm->dev_private;
- struct resource *res;
void __iomem *regs;
frontend = devm_kzalloc(dev, sizeof(*frontend), GFP_KERNEL);
@@ -576,8 +575,7 @@ static int sun4i_frontend_bind(struct device *dev, struct device *master,
if (!frontend->data)
return -ENODEV;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
diff --git a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
index 2f2c9f0a1071..3799a745b7dd 100644
--- a/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
+++ b/drivers/gpu/drm/sun4i/sun4i_hdmi_enc.c
@@ -489,7 +489,6 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master,
struct cec_connector_info conn_info;
struct sun4i_drv *drv = drm->dev_private;
struct sun4i_hdmi *hdmi;
- struct resource *res;
u32 reg;
int ret;
@@ -504,8 +503,7 @@ static int sun4i_hdmi_bind(struct device *dev, struct device *master,
if (!hdmi->variant)
return -EINVAL;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- hdmi->base = devm_ioremap_resource(dev, res);
+ hdmi->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(hdmi->base)) {
dev_err(dev, "Couldn't map the HDMI encoder registers\n");
return PTR_ERR(hdmi->base);
diff --git a/drivers/gpu/drm/sun4i/sun4i_tcon.c b/drivers/gpu/drm/sun4i/sun4i_tcon.c
index 9f06dec0fc61..88db2d2a9336 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tcon.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tcon.c
@@ -841,11 +841,9 @@ static int sun4i_tcon_init_regmap(struct device *dev,
struct sun4i_tcon *tcon)
{
struct platform_device *pdev = to_platform_device(dev);
- struct resource *res;
void __iomem *regs;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
diff --git a/drivers/gpu/drm/sun4i/sun4i_tv.c b/drivers/gpu/drm/sun4i/sun4i_tv.c
index cb91bc11a0c7..94883abe0dfd 100644
--- a/drivers/gpu/drm/sun4i/sun4i_tv.c
+++ b/drivers/gpu/drm/sun4i/sun4i_tv.c
@@ -538,7 +538,6 @@ static int sun4i_tv_bind(struct device *dev, struct device *master,
struct drm_device *drm = data;
struct sun4i_drv *drv = drm->dev_private;
struct sun4i_tv *tv;
- struct resource *res;
void __iomem *regs;
int ret;
@@ -548,8 +547,7 @@ static int sun4i_tv_bind(struct device *dev, struct device *master,
tv->drv = drv;
dev_set_drvdata(dev, tv);
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs)) {
dev_err(dev, "Couldn't map the TV encoder registers\n");
return PTR_ERR(regs);
diff --git a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
index 4f5efcace68e..4371684697bd 100644
--- a/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
+++ b/drivers/gpu/drm/sun4i/sun6i_mipi_dsi.c
@@ -1104,7 +1104,6 @@ static int sun6i_dsi_probe(struct platform_device *pdev)
struct device *dev = &pdev->dev;
const char *bus_clk_name = NULL;
struct sun6i_dsi *dsi;
- struct resource *res;
void __iomem *base;
int ret;
@@ -1120,8 +1119,7 @@ static int sun6i_dsi_probe(struct platform_device *pdev)
"allwinner,sun6i-a31-mipi-dsi"))
bus_clk_name = "bus";
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- base = devm_ioremap_resource(dev, res);
+ base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(base)) {
dev_err(dev, "Couldn't map the DSI encoder registers\n");
return PTR_ERR(base);
diff --git a/drivers/gpu/drm/sun4i/sun8i_mixer.c b/drivers/gpu/drm/sun4i/sun8i_mixer.c
index 5b42cf25cc86..f5e8aeaa3cdf 100644
--- a/drivers/gpu/drm/sun4i/sun8i_mixer.c
+++ b/drivers/gpu/drm/sun4i/sun8i_mixer.c
@@ -337,7 +337,6 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master,
struct drm_device *drm = data;
struct sun4i_drv *drv = drm->dev_private;
struct sun8i_mixer *mixer;
- struct resource *res;
void __iomem *regs;
unsigned int base;
int plane_cnt;
@@ -390,8 +389,7 @@ static int sun8i_mixer_bind(struct device *dev, struct device *master,
if (!mixer->cfg)
return -EINVAL;
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(regs))
return PTR_ERR(regs);
diff --git a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
index 75d8e60c149d..1b9b8b48f4a7 100644
--- a/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
+++ b/drivers/gpu/drm/sun4i/sun8i_tcon_top.c
@@ -128,7 +128,6 @@ static int sun8i_tcon_top_bind(struct device *dev, struct device *master,
struct clk_hw_onecell_data *clk_data;
struct sun8i_tcon_top *tcon_top;
const struct sun8i_tcon_top_quirks *quirks;
- struct resource *res;
void __iomem *regs;
int ret, i;
@@ -158,8 +157,7 @@ static int sun8i_tcon_top_bind(struct device *dev, struct device *master,
return PTR_ERR(tcon_top->bus);
}
- res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- regs = devm_ioremap_resource(dev, res);
+ regs = devm_platform_ioremap_resource(pdev, 0);
tcon_top->regs = regs;
if (IS_ERR(regs))
return PTR_ERR(regs);
--
2.25.1
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