drm/vc4: Use of_device_get_match_data()

Use of_device_get_match_data() to simplify the code.

Reported-by: Zeal Robot <zealci@zte.com.cn>
Signed-off-by: Minghao Chi (CGEL ZTE) <chi.minghao@zte.com.cn>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Link: https://patchwork.freedesktop.org/patch/msgid/20220214020530.1714631-1-chi.minghao@zte.com.cn

diff --git a/drivers/gpu/drm/vc4/vc4_dsi.c b/drivers/gpu/drm/vc4/vc4_dsi.c
index 9300d33..752f921 100644 (file)
--- a/drivers/gpu/drm/vc4/vc4_dsi.c
+++ b/drivers/gpu/drm/vc4/vc4_dsi.c
@@ -1493,15 +1493,10 @@ static int vc4_dsi_bind(struct device *dev, struct device *master, void *data)
        struct drm_device *drm = dev_get_drvdata(master);
        struct vc4_dsi *dsi = dev_get_drvdata(dev);
        struct vc4_dsi_encoder *vc4_dsi_encoder;
-       const struct of_device_id *match;
        dma_cap_mask_t dma_mask;
        int ret;
 
-       match = of_match_device(vc4_dsi_dt_match, dev);
-       if (!match)
-               return -ENODEV;
-
-       dsi->variant = match->data;
+       dsi->variant = of_device_get_match_data(dev);
 
        vc4_dsi_encoder = devm_kzalloc(dev, sizeof(*vc4_dsi_encoder),
                                       GFP_KERNEL);