From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754775AbaGDPIs (ORCPT ); Fri, 4 Jul 2014 11:08:48 -0400 Received: from bear.ext.ti.com ([192.94.94.41]:43725 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751554AbaGDPIp (ORCPT ); Fri, 4 Jul 2014 11:08:45 -0400 From: Kishon Vijay Abraham I To: , , , , , , , CC: , Subject: [RFC PATCH 1/2] phy: core: Fix of_phy_provider_lookup to return PHY provider for sub node Date: Fri, 4 Jul 2014 20:37:53 +0530 Message-ID: <1404486474-28312-2-git-send-email-kishon@ti.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1404486474-28312-1-git-send-email-kishon@ti.com> References: <1404486474-28312-1-git-send-email-kishon@ti.com> MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.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