From patchwork Mon May 23 13:17:42 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: Peppe CAVALLARO X-Patchwork-Id: 9131829 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 9C387607D3 for ; Mon, 23 May 2016 13:27:39 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 974A7281F0 for ; Mon, 23 May 2016 13:27:39 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8B97D28239; Mon, 23 May 2016 13:27:39 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-4.2 required=2.0 tests=BAYES_00, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.9]) (using TLSv1.2 with cipher AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 494D82821B for ; Mon, 23 May 2016 13:27:37 +0000 (UTC) Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1b4ps5-0000qM-Jo; Mon, 23 May 2016 13:26:13 +0000 Received: from mx08-00178001.pphosted.com ([91.207.212.93] helo=mx07-00178001.pphosted.com) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1b4prz-0000jj-NM for linux-arm-kernel@lists.infradead.org; Mon, 23 May 2016 13:26:09 +0000 Received: from pps.filterd (m0046660.ppops.net [127.0.0.1]) by mx08-00178001.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u4NDLkbs013076; Mon, 23 May 2016 15:25:36 +0200 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx08-00178001.pphosted.com with ESMTP id 232ct4vxa3-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Mon, 23 May 2016 15:25:36 +0200 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 78B084D; Mon, 23 May 2016 13:25:35 +0000 (GMT) Received: from Webmail-eu.st.com (Safex1hubcas24.st.com [10.75.90.94]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 2611E1512; Mon, 23 May 2016 13:25:35 +0000 (GMT) Received: from localhost (164.130.129.175) by webmail-ga.st.com (10.75.90.48) with Microsoft SMTP Server (TLS) id 14.3.279.2; Mon, 23 May 2016 15:25:35 +0200 From: Giuseppe Cavallaro To: Subject: [PATCH 1/2 (linux-stable-4.5.y)] Revert "stmmac: Fix 'eth0: No PHY found' regression" Date: Mon, 23 May 2016 15:17:42 +0200 Message-ID: <1464009463-23654-2-git-send-email-peppe.cavallaro@st.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1464009463-23654-1-git-send-email-peppe.cavallaro@st.com> References: <1464009463-23654-1-git-send-email-peppe.cavallaro@st.com> MIME-Version: 1.0 X-Originating-IP: [164.130.129.175] X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10432:, , definitions=2016-05-23_05:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20160523_062608_214152_DB6E1AE7 X-CRM114-Status: GOOD ( 11.44 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.20 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Dinh Nguyen , "David S . Miller" , marc.zyngier@arm.com, netdev@vger.kernel.org, bert@a20.net, linux-sunxi@googlegroups.com, Gabriel Fernandez , peppe.cavallaro@st.com, maxime.ripard@free-electrons.com, =?UTF-8?q?Frank=20Sch=C3=A4fer?= , robin.murphy@arm.com, afaerber@suse.de, linux-arm-kernel@lists.infradead.org Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Virus-Scanned: ClamAV using ClamSMTP From: Giuseppe CAVALLARO This reverts commit 88f8b1bb41c6208f81b6a480244533ded7b59493. due to problems on GeekBox and Banana Pi M1 board when connected to a real transceiver instead of a switch via fixed-link. Signed-off-by: Giuseppe Cavallaro Cc: Gabriel Fernandez Cc: Andreas Färber Cc: Frank Schäfer Cc: Dinh Nguyen Cc: David S. Miller Signed-off-by: David S. Miller --- drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c | 11 ++++++++++- drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c | 9 +-------- 2 files changed, 11 insertions(+), 9 deletions(-) diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c index efb54f3..0faf163 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_mdio.c @@ -199,12 +199,21 @@ int stmmac_mdio_register(struct net_device *ndev) struct stmmac_priv *priv = netdev_priv(ndev); struct stmmac_mdio_bus_data *mdio_bus_data = priv->plat->mdio_bus_data; int addr, found; - struct device_node *mdio_node = priv->plat->mdio_node; + struct device_node *mdio_node = NULL; + struct device_node *child_node = NULL; if (!mdio_bus_data) return 0; if (IS_ENABLED(CONFIG_OF)) { + for_each_child_of_node(priv->device->of_node, child_node) { + if (of_device_is_compatible(child_node, + "snps,dwmac-mdio")) { + mdio_node = child_node; + break; + } + } + if (mdio_node) { netdev_dbg(ndev, "FOUND MDIO subnode\n"); } else { diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c index 4514ba7..6a52fa1 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_platform.c @@ -110,7 +110,6 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) struct device_node *np = pdev->dev.of_node; struct plat_stmmacenet_data *plat; struct stmmac_dma_cfg *dma_cfg; - struct device_node *child_node = NULL; plat = devm_kzalloc(&pdev->dev, sizeof(*plat), GFP_KERNEL); if (!plat) @@ -141,19 +140,13 @@ stmmac_probe_config_dt(struct platform_device *pdev, const char **mac) plat->phy_node = of_node_get(np); } - for_each_child_of_node(np, child_node) - if (of_device_is_compatible(child_node, "snps,dwmac-mdio")) { - plat->mdio_node = child_node; - break; - } - /* "snps,phy-addr" is not a standard property. Mark it as deprecated * and warn of its use. Remove this when phy node support is added. */ if (of_property_read_u32(np, "snps,phy-addr", &plat->phy_addr) == 0) dev_warn(&pdev->dev, "snps,phy-addr property is deprecated\n"); - if ((plat->phy_node && !of_phy_is_fixed_link(np)) || !plat->mdio_node) + if ((plat->phy_node && !of_phy_is_fixed_link(np)) || plat->phy_bus_name) plat->mdio_bus_data = NULL; else plat->mdio_bus_data =