From patchwork Tue Mar 9 11:26:10 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Oleksij Rempel X-Patchwork-Id: 12124705 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-17.0 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9727DC433DB for ; Tue, 9 Mar 2021 11:28:00 +0000 (UTC) Received: from desiato.infradead.org (desiato.infradead.org [90.155.92.199]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 2D3C865259 for ; Tue, 9 Mar 2021 11:28:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 2D3C865259 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=pengutronix.de Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=desiato.20200630; h=Sender:Content-Transfer-Encoding :Content-Type:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:MIME-Version:References:In-Reply-To:Message-Id:Date: Subject:Cc:To:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=Cr1Oq1t5htSJg78XvQJ8nXNlvubmhmwvYnuO3OenXRM=; b=SSCPRpdqB5senxja1F8ES1XCg hnDyF3vaMlDwEd/Qi0k6hl+qgYqCK1KmllZer4t55kfnR++JGuanGrmIZuHlo4YNMQQyy2IgpAcHP vmr4MUhKXXuOmONt31NHgqE9T0+FrjZw1c9i+IRJugU1Flb/+W8am3Dj/OvHnLVmlKDtkkd2mBeBg D3fOtdN0M3vwjyXhVCw/itGPS9AbO1f5/mHXHXoF7fLi7X3e5Xs1Pd+PMe0M5pLXQqiekcCW0SMeA 9rthP2RTwmbrTGVVjL0lX1Hk2m5+dZRPistX9HmSNKwGSUtkrsDLBFGmakvyYpYC77t2qoJN+OAYt 8o60qRqrQ==; Received: from localhost ([::1] helo=desiato.infradead.org) by desiato.infradead.org with esmtp (Exim 4.94 #2 (Red Hat Linux)) id 1lJaVQ-004Ire-Mr; Tue, 09 Mar 2021 11:26:29 +0000 Received: from metis.ext.pengutronix.de ([2001:67c:670:201:290:27ff:fe1d:cc33]) by desiato.infradead.org with esmtps (Exim 4.94 #2 (Red Hat Linux)) id 1lJaVI-004Iqi-Ei for linux-arm-kernel@lists.infradead.org; Tue, 09 Mar 2021 11:26:22 +0000 Received: from dude.hi.pengutronix.de ([2001:67c:670:100:1d::7]) by metis.ext.pengutronix.de with esmtps (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.92) (envelope-from ) id 1lJaVF-0006wd-8I; Tue, 09 Mar 2021 12:26:17 +0100 Received: from ore by dude.hi.pengutronix.de with local (Exim 4.92) (envelope-from ) id 1lJaVE-0000BM-2Z; Tue, 09 Mar 2021 12:26:16 +0100 From: Oleksij Rempel To: Shawn Guo , Sascha Hauer , Andrew Lunn , Florian Fainelli , Heiner Kallweit Cc: Oleksij Rempel , kernel@pengutronix.de, netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, linux-imx@nxp.com, Fabio Estevam , David Jander , Russell King , Philippe Schenker Subject: [PATCH v2 2/7] ARM: imx6q: remove TX clock delay of ar8031_phy_fixup() Date: Tue, 9 Mar 2021 12:26:10 +0100 Message-Id: <20210309112615.625-3-o.rempel@pengutronix.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210309112615.625-1-o.rempel@pengutronix.de> References: <20210309112615.625-1-o.rempel@pengutronix.de> MIME-Version: 1.0 X-SA-Exim-Connect-IP: 2001:67c:670:100:1d::7 X-SA-Exim-Mail-From: ore@pengutronix.de X-SA-Exim-Scanned: No (on metis.ext.pengutronix.de); SAEximRunCond expanded to false X-PTX-Original-Recipient: linux-arm-kernel@lists.infradead.org X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210309_112620_583770_F807245B X-CRM114-Status: GOOD ( 12.51 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org In case the at803x PHY driver is activated in the kernel, the TX clock fixup is overwritten by at803x_config_init(), in this case no additional device tree changes are needed. If this patch breaks your system, please enable AT803X_PHY driver and add the following device tree property to the PHY node: phy-mode = "rgmii-txid"; Signed-off-by: Oleksij Rempel --- arch/arm/mach-imx/mach-imx6q.c | 6 ------ 1 file changed, 6 deletions(-) diff --git a/arch/arm/mach-imx/mach-imx6q.c b/arch/arm/mach-imx/mach-imx6q.c index 78205f90da27..1abefe7e1c3a 100644 --- a/arch/arm/mach-imx/mach-imx6q.c +++ b/arch/arm/mach-imx/mach-imx6q.c @@ -82,12 +82,6 @@ static int ar8031_phy_fixup(struct phy_device *dev) val |= 0x18; phy_write(dev, 0xe, val); - /* introduce tx clock delay */ - phy_write(dev, 0x1d, 0x5); - val = phy_read(dev, 0x1e); - val |= 0x0100; - phy_write(dev, 0x1e, val); - return 0; }