From mboxrd@z Thu Jan 1 00:00:00 1970 From: kishon@ti.com (Kishon Vijay Abraham I) Date: Fri, 4 Jul 2014 20:37:53 +0530 Subject: [RFC PATCH 1/2] phy: core: Fix of_phy_provider_lookup to return PHY provider for sub node In-Reply-To: <1404486474-28312-1-git-send-email-kishon@ti.com> References: <1404486474-28312-1-git-send-email-kishon@ti.com> Message-ID: <1404486474-28312-2-git-send-email-kishon@ti.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org 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 --- 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