video: rockchip: dw_mipi_dsi: Fix error path checks in probe function

Wrong return codes were checked in several places. Check the proper ones.

Signed-off-by: Ondrej Jirman <megi@xff.cz>

diff --git a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
index b1b5328595e0cff738dc0528b2fef5a4ea94b124..b7d6b51703c04b7b702841944bb150c645d8fa56 100644 (file)
--- a/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
+++ b/drivers/video/rockchip/dw_mipi_dsi_rockchip.c
@@ -822,6 +822,7 @@ static int dw_mipi_dsi_rockchip_probe(struct udevice *dev)
 
        priv->pclk = devm_clk_get(dev, "pclk");
        if (IS_ERR(priv->pclk)) {
+               ret = PTR_ERR(priv->pclk);
                dev_err(dev, "peripheral clock get error %d\n", ret);
                return ret;
        }
@@ -833,7 +834,8 @@ static int dw_mipi_dsi_rockchip_probe(struct udevice *dev)
 
        } else {
                priv->ref = devm_clk_get(dev, "ref");
-               if (ret) {
+               if (IS_ERR(priv->ref)) {
+                       ret = PTR_ERR(priv->ref);
                        dev_err(dev, "pll reference clock get error %d\n", ret);
                        return ret;
                }
@@ -841,7 +843,8 @@ static int dw_mipi_dsi_rockchip_probe(struct udevice *dev)
 
        priv->rst = devm_reset_control_get_by_index(device->dev, 0);
        if (IS_ERR(priv->rst)) {
-               dev_err(dev, "missing dsi hardware reset\n");
+               ret = PTR_ERR(priv->rst);
+               dev_err(dev, "missing dsi hardware reset %d\n", ret);
                return ret;
        }