eDP:rk3288:ignore grf probe error when probe.

rockhip,grf node is not exist on rk3288,  we
need to ignore grf probe error.

Signed-off-by: Zheng Yang <zhengyang@rock-chips.com>

diff --git a/drivers/video/rockchip/transmitter/rk32_dp.c b/drivers/video/rockchip/transmitter/rk32_dp.c
index 378c4e7d12dc7994f644154284ce8b5dbe963e33..c04e6c94e220b1f4352bc1b1d2290dbc2a2c73c8 100755 (executable)
--- a/drivers/video/rockchip/transmitter/rk32_dp.c
+++ b/drivers/video/rockchip/transmitter/rk32_dp.c
@@ -1428,7 +1428,7 @@ static int rk32_edp_probe(struct platform_device *pdev)
        }
 
        edp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
-       if (IS_ERR(edp->grf)) {
+       if (IS_ERR(edp->grf) && !cpu_is_rk3288()) {
                dev_err(&pdev->dev, "can't find rockchip,grf property\n");
                return PTR_ERR(edp->grf);
        }