From patchwork Mon Dec 28 07:22:18 2015 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: zhengxing X-Patchwork-Id: 7924981 Return-Path: X-Original-To: patchwork-linux-arm@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork2.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork2.web.kernel.org (Postfix) with ESMTP id C93E6BEEE5 for ; Mon, 28 Dec 2015 07:24:52 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 0D07720222 for ; Mon, 28 Dec 2015 07:24:52 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id 3FD272011B for ; Mon, 28 Dec 2015 07:24:51 +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 1aDS9U-0000SN-I1; Mon, 28 Dec 2015 07:23:32 +0000 Received: from regular1.263xmail.com ([211.150.99.133]) by bombadil.infradead.org with esmtps (Exim 4.80.1 #2 (Red Hat Linux)) id 1aDS98-0000H8-NW; Mon, 28 Dec 2015 07:23:13 +0000 Received: from zhengxing?rock-chips.com (unknown [192.168.167.233]) by regular1.263xmail.com (Postfix) with SMTP id 7B0A485BD; Mon, 28 Dec 2015 15:22:40 +0800 (CST) X-263anti-spam: KSV:0; X-MAIL-GRAY: 0 X-MAIL-DELIVERY: 1 X-KSVirus-check: 0 X-ABS-CHECKED: 4 X-ADDR-CHECKED: 0 Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.263.net (Postfix) with ESMTP id 7D686455; Mon, 28 Dec 2015 15:22:38 +0800 (CST) X-RL-SENDER: zhengxing@rock-chips.com X-SENDER-IP: 58.22.7.114 X-LOGIN-NAME: zhengxing@rock-chips.com X-UNIQUE-TAG: X-ATTACHMENT-NUM: 0 X-SENDER: zhengxing@rock-chips.com X-DNS-TYPE: 0 Received: from unknown (unknown [58.22.7.114]) by smtp.263.net (Postfix) whith SMTP id 18251W4LPBR; Mon, 28 Dec 2015 15:22:39 +0800 (CST) From: Xing Zheng To: linux-rockchip@lists.infradead.org Subject: [RESEND PATCH v1 1/4] net: ethernet: arc: Probe emac after set RMII clock Date: Mon, 28 Dec 2015 15:22:18 +0800 Message-Id: <1451287341-16453-2-git-send-email-zhengxing@rock-chips.com> X-Mailer: git-send-email 1.7.9.5 In-Reply-To: <1451287341-16453-1-git-send-email-zhengxing@rock-chips.com> References: <1451287341-16453-1-git-send-email-zhengxing@rock-chips.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20151227_232312_547652_9B829DD2 X-CRM114-Status: UNSURE ( 6.85 ) X-CRM114-Notice: Please train this message. X-Spam-Score: -1.9 (-) 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: heiko@sntech.de, Xing Zheng , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, keescook@google.com, leozwang@google.comi, davem@davemloft.net, linux-arm-kernel@lists.infradead.org MIME-Version: 1.0 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+patchwork-linux-arm=patchwork.kernel.org@lists.infradead.org X-Spam-Status: No, score=-4.2 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_MED, RP_MATCHES_RCVD, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP After enter arc_emac_probe, emac will get_phy_id, phy_poll_reset and other connecting PHY via mdiobus_read, so we need to set correct ref clock rate for emac before probe emac. Signed-off-by: Xing Zheng --- drivers/net/ethernet/arc/emac_rockchip.c | 11 +++++++---- 1 file changed, 7 insertions(+), 4 deletions(-) diff --git a/drivers/net/ethernet/arc/emac_rockchip.c b/drivers/net/ethernet/arc/emac_rockchip.c index c31c740..36e9eb1 100644 --- a/drivers/net/ethernet/arc/emac_rockchip.c +++ b/drivers/net/ethernet/arc/emac_rockchip.c @@ -164,10 +164,6 @@ static int emac_rockchip_probe(struct platform_device *pdev) } } - err = arc_emac_probe(ndev, interface); - if (err) - goto out_regulator_disable; - /* write-enable bits */ data = GRF_MODE_ENABLE_BIT | GRF_SPEED_ENABLE_BIT; @@ -184,6 +180,13 @@ static int emac_rockchip_probe(struct platform_device *pdev) err = clk_set_rate(priv->refclk, 50000000); if (err) dev_err(dev, "failed to change reference clock rate (%d)\n", err); + + err = arc_emac_probe(ndev, interface); + if (err) { + dev_err(dev, "failed to probe arc emac (%d)\n", err); + goto out_regulator_disable; + } + return 0; out_regulator_disable: