Fixed of_phy_provider_lookup to return 'phy_provider' if _of_phy_get
passes the node pointer of the sub-node of phy provider node. This is
needed when phy provider implements multiple PHYs and each PHY is
modelled as the sub-node of PHY provider device node.

Signed-off-by: Kishon Vijay Abraham I <kis...@ti.com>
---
 drivers/phy/phy-core.c |   10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index c64a2f3..a4a1f783 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -86,10 +86,18 @@ static struct phy *phy_lookup(struct device *device, const 
char *port)
 static struct phy_provider *of_phy_provider_lookup(struct device_node *node)
 {
        struct phy_provider *phy_provider;
+       struct device_node *child;
 
        list_for_each_entry(phy_provider, &phy_provider_list, list) {
-               if (phy_provider->dev->of_node == node)
+               if (phy_provider->dev->of_node != node) {
+                       for_each_child_of_node(phy_provider->dev->of_node,
+                               child) {
+                               if (child == node)
+                                       return phy_provider;
+                       }
+               } else {
                        return phy_provider;
+               }
        }
 
        return ERR_PTR(-EPROBE_DEFER);
-- 
1.7.9.5

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