From mboxrd@z Thu Jan 1 00:00:00 1970 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=-8.5 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 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 BFCDBC433DF for ; Mon, 17 Aug 2020 13:30:49 +0000 (UTC) Received: from merlin.infradead.org (merlin.infradead.org [205.233.59.134]) (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 8ABD820578 for ; Mon, 17 Aug 2020 13:30:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="Xzz4o04y"; dkim=fail reason="signature verification failed" (1024-bit key) header.d=kernel.org header.i=@kernel.org header.b="wpv5465B" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 8ABD820578 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=kernel.org 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=merlin.20170209; h=Sender:Content-Transfer-Encoding: Content-Type:Cc:List-Subscribe:List-Help:List-Post:List-Archive: List-Unsubscribe:List-Id:In-Reply-To:MIME-Version:References:Message-ID: Subject:To:From:Date:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mQ0fFcyykf/GxUZI2g6iFyYN9bAgyB+vlAatm7VDf9M=; b=Xzz4o04yce/97EtihxvtRicH0 KNVd0kLMXO9KarHvTR6o4jymk2WTFlW4x1N5Iu9QWU17EraFjdnNqsVdz6PP34m+2f0IoOrDON8YT z5Z5foiMyMQIsrBH3O6OKtp3oWjW/Tb/sCMAPeMRBk5Ai9Y+eiqefzcjOvpDUnW27Jmb1s02V/sih n9FE7KXkGG3LELDK1zVCmHyk2WjClnysKP/NEvp3mrz50hd85fdrSxbjMuncXGg1RlzG2U+xxfkXm 1pJuwEx4DvjX5XdRMHwrI/fNnIxfjBTiL9BHPTu3z5STIc/rbWA7M9tg9DwKxnHpjkcb1w+KXOETX CJQa76PWg==; Received: from localhost ([::1] helo=merlin.infradead.org) by merlin.infradead.org with esmtp (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7fCO-0004lK-VJ; Mon, 17 Aug 2020 13:29:17 +0000 Received: from mail.kernel.org ([198.145.29.99]) by merlin.infradead.org with esmtps (Exim 4.92.3 #3 (Red Hat Linux)) id 1k7fCM-0004kU-Ck for linux-arm-kernel@lists.infradead.org; Mon, 17 Aug 2020 13:29:15 +0000 Received: from dragon (80.251.214.228.16clouds.com [80.251.214.228]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 85F8D2072D; Mon, 17 Aug 2020 13:29:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1597670953; bh=BymKps12XsZQl4YKZ1c0eB9rH+lInt76AzC41AOqUvE=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=wpv5465BkVtFkvEjq8ovwgg4Ym9eooROzit5pFuUECfQjFRTG1KLS8YItLAfTi+ad V9ROkqnVpc3j67L3rgYU7thJeb9JGWCKI/JCqzkZhlRLgMjQRn3WzhRmQs5JuGHa3G r+SwuGpuGeix5DRooPEVYZg8yLmPs8pz7FGFBMcc= Date: Mon, 17 Aug 2020 21:29:04 +0800 From: Shawn Guo To: Chris Healy Subject: Re: [PATCH v2] ARM: dts: ZII: Disable HW Ethernet switch reset GPIOs Message-ID: <20200817132903.GG16951@dragon> References: <20200722203341.578651-1-cphealy@gmail.com> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200722203341.578651-1-cphealy@gmail.com> User-Agent: Mutt/1.9.4 (2018-02-28) X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20200817_092914_538268_679414C1 X-CRM114-Status: GOOD ( 14.31 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: devicetree@vger.kernel.org, s.hauer@pengutronix.de, linux-kernel@vger.kernel.org, stefan@agner.ch, robh+dt@kernel.org, festevam@gmail.com, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Wed, Jul 22, 2020 at 01:33:41PM -0700, Chris Healy wrote: > From: Chris Healy > > Disable Ethernet switch reset GPIO with ZII platforms that have it > enabled. HW switch reset results in a reset of the copper PHYs > inside of the switch. We want to avoid this reset of the copper PHYs > in the switch as this results in unnecessary broader network disruption on > a soft reboot of the application processor. > > With the HW GPIO removed, the switch driver still performs a soft reset of > the switch core which has been shown to sufficiently meet our needs with > other ZII platforms that do not have the HW switch reset GPIO defined. > > Signed-off-by: Chris Healy Applied, thanks. _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel