summaryrefslogtreecommitdiff
path: root/drivers/phy/phy-rockchip-dp.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/phy/phy-rockchip-dp.c')
-rw-r--r--drivers/phy/phy-rockchip-dp.c7
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/phy/phy-rockchip-dp.c b/drivers/phy/phy-rockchip-dp.c
index 77e2d02e6bee..793ecb6d87bc 100644
--- a/drivers/phy/phy-rockchip-dp.c
+++ b/drivers/phy/phy-rockchip-dp.c
@@ -86,6 +86,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
if (!np)
return -ENODEV;
+ if (!dev->parent || !dev->parent->of_node)
+ return -ENODEV;
+
dp = devm_kzalloc(dev, sizeof(*dp), GFP_KERNEL);
if (IS_ERR(dp))
return -ENOMEM;
@@ -104,9 +107,9 @@ static int rockchip_dp_phy_probe(struct platform_device *pdev)
return ret;
}
- dp->grf = syscon_regmap_lookup_by_phandle(np, "rockchip,grf");
+ dp->grf = syscon_node_to_regmap(dev->parent->of_node);
if (IS_ERR(dp->grf)) {
- dev_err(dev, "rk3288-dp needs rockchip,grf property\n");
+ dev_err(dev, "rk3288-dp needs the General Register Files syscon\n");
return PTR_ERR(dp->grf);
}