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[21/28] phy: core: Fix of_phy_provider_lookup to return PHY provider for sub node

Message ID 1406026611-30493-22-git-send-email-kishon@ti.com
State Accepted
Commit 2a4c37016ca96e413cd352985d3a0db8cfb7716c
Headers show

Commit Message

Kishon Vijay Abraham I July 22, 2014, 10:56 a.m. UTC 
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 <kishon@ti.com>
Acked-by: Lee Jones <lee.jones@linaro.org>
---
 drivers/phy/phy-core.c |    5 +++++
 1 file changed, 5 insertions(+)
diff mbox

Patch

diff --git a/drivers/phy/phy-core.c b/drivers/phy/phy-core.c
index 75c9739..527e744 100644
--- a/drivers/phy/phy-core.c
+++ b/drivers/phy/phy-core.c
@@ -87,10 +87,15 @@  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)
 			return phy_provider;
+
+		for_each_child_of_node(phy_provider->dev->of_node, child)
+			if (child == node)
+				return phy_provider;
 	}
 
 	return ERR_PTR(-EPROBE_DEFER);