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

[Cai Huoqing]

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

Signed-off-by: Cai Huoqing <caihuoq...@baidu.com>
---
 drivers/gpu/drm/rockchip/cdn-dp-core.c   | 4 +---
 drivers/gpu/drm/rockchip/inno_hdmi.c     | 4 +---
 drivers/gpu/drm/rockchip/rockchip_lvds.c | 4 +---
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/gpu/drm/rockchip/cdn-dp-core.c 
b/drivers/gpu/drm/rockchip/cdn-dp-core.c
index 8ab3247dbc4a..5dce875dbd11 100644
--- a/drivers/gpu/drm/rockchip/cdn-dp-core.c
+++ b/drivers/gpu/drm/rockchip/cdn-dp-core.c
@@ -697,7 +697,6 @@ static int cdn_dp_parse_dt(struct cdn_dp_device *dp)
        struct device *dev = dp->dev;
        struct device_node *np = dev->of_node;
        struct platform_device *pdev = to_platform_device(dev);
-       struct resource *res;
 
        dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
        if (IS_ERR(dp->grf)) {
@@ -705,8 +704,7 @@ static int cdn_dp_parse_dt(struct cdn_dp_device *dp)
                return PTR_ERR(dp->grf);
        }
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       dp->regs = devm_ioremap_resource(dev, res);
+       dp->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(dp->regs)) {
                DRM_DEV_ERROR(dev, "ioremap reg failed\n");
                return PTR_ERR(dp->regs);
diff --git a/drivers/gpu/drm/rockchip/inno_hdmi.c 
b/drivers/gpu/drm/rockchip/inno_hdmi.c
index 7afdc54eb3ec..046e8ec2a71c 100644
--- a/drivers/gpu/drm/rockchip/inno_hdmi.c
+++ b/drivers/gpu/drm/rockchip/inno_hdmi.c
@@ -810,7 +810,6 @@ static int inno_hdmi_bind(struct device *dev, struct device 
*master,
        struct platform_device *pdev = to_platform_device(dev);
        struct drm_device *drm = data;
        struct inno_hdmi *hdmi;
-       struct resource *iores;
        int irq;
        int ret;
 
@@ -821,8 +820,7 @@ static int inno_hdmi_bind(struct device *dev, struct device 
*master,
        hdmi->dev = dev;
        hdmi->drm_dev = drm;
 
-       iores = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       hdmi->regs = devm_ioremap_resource(dev, iores);
+       hdmi->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(hdmi->regs))
                return PTR_ERR(hdmi->regs);
 
diff --git a/drivers/gpu/drm/rockchip/rockchip_lvds.c 
b/drivers/gpu/drm/rockchip/rockchip_lvds.c
index 551653940e39..50574649a472 100644
--- a/drivers/gpu/drm/rockchip/rockchip_lvds.c
+++ b/drivers/gpu/drm/rockchip/rockchip_lvds.c
@@ -439,11 +439,9 @@ struct drm_encoder_helper_funcs 
px30_lvds_encoder_helper_funcs = {
 static int rk3288_lvds_probe(struct platform_device *pdev,
                             struct rockchip_lvds *lvds)
 {
-       struct resource *res;
        int ret;
 
-       res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-       lvds->regs = devm_ioremap_resource(lvds->dev, res);
+       lvds->regs = devm_platform_ioremap_resource(pdev, 0);
        if (IS_ERR(lvds->regs))
                return PTR_ERR(lvds->regs);
 
-- 
2.25.1