From patchwork Tue Dec 5 13:25:59 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Leitner X-Patchwork-Id: 844738 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 3yrjG73FTVz9tB8 for ; Wed, 6 Dec 2017 00:27:11 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753012AbdLEN0m (ORCPT ); Tue, 5 Dec 2017 08:26:42 -0500 Received: from relay01.alfahosting-server.de ([109.237.142.236]:21487 "EHLO relay01.alfahosting-server.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752707AbdLEN0g (ORCPT ); Tue, 5 Dec 2017 08:26:36 -0500 Received: by relay01.alfahosting-server.de (Postfix, from userid 1001) id BEB4632C34C6; Tue, 5 Dec 2017 14:26:35 +0100 (CET) X-Spam-DCC: : X-Spam-Level: X-Spam-Status: No, score=-1000.0 required=7.0 tests=BAYES_50, D_SENT_WITH_SASL autolearn=disabled version=3.2.5 Received: from alfa3028.alfahosting-server.de (alfa3028.alfahosting-server.de [109.237.138.38]) by relay01.alfahosting-server.de (Postfix) with ESMTPS id C221832C34C6; Tue, 5 Dec 2017 14:26:33 +0100 (CET) Received: from localhost.localdomain (unknown [91.230.2.244]) (Authenticated sender: yes) by alfa3028.alfahosting-server.de (Postfix) with ESMTPA id 2B5113BE0001; Tue, 5 Dec 2017 14:26:33 +0100 (CET) From: Richard Leitner To: robh+dt@kernel.org, mark.rutland@arm.com, fugang.duan@nxp.com, andrew@lunn.ch, f.fainelli@gmail.com, frowand.list@gmail.com Cc: davem@davemloft.net, geert+renesas@glider.be, sergei.shtylyov@cogentembedded.com, baruch@tkos.co.il, david.wu@rock-chips.com, lukma@denx.de, netdev@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, richard.leitner@skidata.com Subject: [PATCH net-next v3 3/4] net: phy: smsc: LAN8710/20: add PHY_RST_AFTER_CLK_EN flag Date: Tue, 5 Dec 2017 14:25:59 +0100 Message-Id: <20171205132600.13796-4-dev@g0hl1n.net> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171205132600.13796-1-dev@g0hl1n.net> References: <20171205132600.13796-1-dev@g0hl1n.net> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Richard Leitner The Microchip/SMSC LAN8710/LAN8720 PHYs need (according to their datasheet [1]) a continuous REF_CLK when configured to "REF_CLK In Mode". Therefore set the PHY_RST_AFTER_CLK_EN flag for those PHYs to let the ETH driver reset them after the REF_CLK is enabled. [1] http://ww1.microchip.com/downloads/en/DeviceDoc/00002165B.pdf Signed-off-by: Richard Leitner Reviewed-by: Andrew Lunn --- drivers/net/phy/smsc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/net/phy/smsc.c b/drivers/net/phy/smsc.c index a1961ba87e2b..be399d645224 100644 --- a/drivers/net/phy/smsc.c +++ b/drivers/net/phy/smsc.c @@ -312,7 +312,7 @@ static struct phy_driver smsc_phy_driver[] = { .name = "SMSC LAN8710/LAN8720", .features = PHY_BASIC_FEATURES, - .flags = PHY_HAS_INTERRUPT, + .flags = PHY_HAS_INTERRUPT | PHY_RST_AFTER_CLK_EN, .probe = smsc_phy_probe,