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=-5.6 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,URIBL_BLOCKED,USER_AGENT_MUTT 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 CCCCCC04AAF for ; Mon, 20 May 2019 06:33:35 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id A1C9A20851 for ; Mon, 20 May 2019 06:33:35 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558334015; bh=QRKYgLNzDZOhAn3LHJcZN2xR9Hu+AIL+I/Vtp5mmIME=; h=Date:From:To:Cc:Subject:References:In-Reply-To:List-ID:From; b=DIOnO3ER9TnqsMlk/0W9QSDcGnSRbzWeJpZgOaPsEiTOluNXVwgGS6uREsa/pX0ue Tl1aGxNxG0ox/5JRq4D3mxZBEnLaAHibCxnC67nuCeYKE0RKZUUjJpvBgP+XSuJdRz U1yOVItC5QtpOW1DgPzY6PABCQuNvgs3Zr7HGouU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729731AbfETGdf (ORCPT ); Mon, 20 May 2019 02:33:35 -0400 Received: from mail.kernel.org ([198.145.29.99]:34408 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1729718AbfETGde (ORCPT ); Mon, 20 May 2019 02:33:34 -0400 Received: from dragon (98.142.130.235.16clouds.com [98.142.130.235]) (using TLSv1.2 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6DEA2206B6; Mon, 20 May 2019 06:33:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1558334014; bh=QRKYgLNzDZOhAn3LHJcZN2xR9Hu+AIL+I/Vtp5mmIME=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=SBVaXPLrUn3UyIT7oDINmTX9zltWSxVAo/QDBoofDh2yNPXYBXsPmNL/FBWWtjlgY NqD3Bv9Nf9mLSqaqmi5ApY8mP5ivyuIWRKWNzLI5qsA/D6IEO/6nKJ88/ymq0Bw1fE 3zAm38KkwaMLc3r4oYBisNl1koNsujGEbJGCf7Z8= Date: Mon, 20 May 2019 14:32:45 +0800 From: Shawn Guo To: Fabio Estevam Cc: linux-arm-kernel@lists.infradead.org, anson.huang@nxp.com, kernel@pengutronix.de, linux-imx@nxp.com, cniedermaier@dh-electronics.com, sebastien.szymanski@armadeus.com, stable@vger.kernel.org Subject: Re: [PATCH v2] ARM: imx: cpuidle-imx6sx: Restrict the SW2ISO increase to i.MX6SX Message-ID: <20190520063244.GR15856@dragon> References: <20190513031531.7879-1-festevam@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <20190513031531.7879-1-festevam@gmail.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org On Mon, May 13, 2019 at 12:15:31AM -0300, Fabio Estevam wrote: > Since commit 1e434b703248 ("ARM: imx: update the cpu power up timing > setting on i.mx6sx") some characters loss is noticed on i.MX6ULL UART > as reported by Christoph Niedermaier. > > The intention of such commit was to increase the SW2ISO field for i.MX6SX > only, but since cpuidle-imx6sx is also used on i.MX6UL/i.MX6ULL this caused > unintended side effects on other SoCs. > > Fix this problem by keeping the original SW2ISO value for i.MX6UL/i.MX6ULL > and only increase SW2ISO in the i.MX6SX case. > > Cc: stable@vger.kernel.org > Fixes: 1e434b703248 ("ARM: imx: update the cpu power up timing setting on i.mx6sx") > Reported-by: Christoph Niedermaier > Signed-off-by: Fabio Estevam > Tested-by: Sébastien Szymanski > Tested-by: Christoph Niedermaier Applied, thanks.