From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754091Ab3KNPHk (ORCPT ); Thu, 14 Nov 2013 10:07:40 -0500 Received: from eu1sys200aog119.obsmtp.com ([207.126.144.147]:43420 "EHLO eu1sys200aog119.obsmtp.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752880Ab3KNPHc (ORCPT ); Thu, 14 Nov 2013 10:07:32 -0500 From: Srinivas Kandagatla To: Cc: Grant Likely , Rob Herring , , Subject: [PATCH RFC] net: of_mdio: Scan PHYs which have device_type set to ethernet-phy Date: Thu, 14 Nov 2013 15:05:56 +0000 Message-ID: <1384441556-20674-1-git-send-email-srinivas.kandagatla@st.com> X-Mailer: git-send-email 1.7.6.5 MIME-Version: 1.0 Content-Type: text/plain X-Originating-IP: [10.65.51.59] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org According to Documentation/devicetree/bindings/net/phy.txt device_type property of PHY nodes is mandatory, which should be set to "ethernet-phy". This patch adds check in scanning phys and only scans node which have device-type set to "ethernet-phy". Signed-off-by: Srinivas Kandagatla --- drivers/of/of_mdio.c | 7 +++++++ 1 files changed, 7 insertions(+), 0 deletions(-) diff --git a/drivers/of/of_mdio.c b/drivers/of/of_mdio.c index d5a57a9..78c53c7 100644 --- a/drivers/of/of_mdio.c +++ b/drivers/of/of_mdio.c @@ -57,6 +57,9 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) /* Loop over the child nodes and register a phy_device for each one */ for_each_available_child_of_node(np, child) { + /* A PHY must have device_type set to "ethernet-phy" */ + if (of_node_cmp(child->type, "ethernet-phy")) + continue; /* A PHY must have a reg property in the range [0-31] */ paddr = of_get_property(child, "reg", &len); if (!paddr || len < sizeof(*paddr)) { @@ -112,6 +115,10 @@ int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np) /* auto scan for PHYs with empty reg property */ for_each_available_child_of_node(np, child) { + /* A PHY must have device_type set to "ethernet-phy" */ + if (of_node_cmp(child->type, "ethernet-phy")) + continue; + /* Skip PHYs with reg property set */ paddr = of_get_property(child, "reg", &len); if (paddr) -- 1.7.6.5