drm/bridge/synopsys: dsi: Use devm_platform_ioremap_resource() in __dw_mipi_dsi_probe()

Simplify this function implementation by using a known wrapper function.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Reviewed-by: Yannick Fertré <yannick.fertre@st.com>
Tested-by: Yannick Fertré <yannick.fertre@st.com>
Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Link: https://patchwork.freedesktop.org/patch/msgid/e0d7b7d7-3e89-8b3f-04ed-0b14806e66f7@web.de

diff --git a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
index b8b1c28..b6e793b 100644 (file)
--- a/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-mipi-dsi.c
@@ -982,7 +982,6 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
        struct device *dev = &pdev->dev;
        struct reset_control *apb_rst;
        struct dw_mipi_dsi *dsi;
-       struct resource *res;
        int ret;
 
        dsi = devm_kzalloc(dev, sizeof(*dsi), GFP_KERNEL);
@@ -998,11 +997,7 @@ __dw_mipi_dsi_probe(struct platform_device *pdev,
        }
 
        if (!plat_data->base) {
-               res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
-               if (!res)
-                       return ERR_PTR(-ENODEV);
-
-               dsi->base = devm_ioremap_resource(dev, res);
+               dsi->base = devm_platform_ioremap_resource(pdev, 0);
                if (IS_ERR(dsi->base))
                        return ERR_PTR(-ENODEV);