Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2659490pxj; Mon, 14 Jun 2021 04:15:43 -0700 (PDT) X-Google-Smtp-Source: ABdhPJybMpKGOXU4GLDQBUszn/K+NKwoKmwmZdKCRzKUlbMB5xpqcEV5AvPPhgqtgCAg8HaNRvjH X-Received: by 2002:a05:6402:26ce:: with SMTP id x14mr16743892edd.104.1623669343472; Mon, 14 Jun 2021 04:15:43 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623669343; cv=none; d=google.com; s=arc-20160816; b=FLaycuXiumVkpGDD3AVPvEaT9BXtb6odeSCHq1V/9nkw0cKZHM9bvUVeUrhDwsZeIp EroYT3GmMMhhHVYjSTL0Oo954ERBK7cm6mLE1N98cvuVnh9nzQ3G+49ArtT99FhZvyUZ k8DzbBGjCrkXgJa9Z1cyXZuHbFBNIm/6fSX6RD895sYfyQCqE0tmrwadmsQyx2vTd3PV Z6o7JFvTz0y7vapsGkGyiPjNOUyuf23XttvrUnDuP8lhn05eNe18474CffPl5At15YkY jQ59eWFfRhzcTP1uWo40Lw4/2O52kVvpFUGffMJV4u38nTmKThRE+g4p5tdygu9UVoL3 tbWg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:content-transfer-encoding:mime-version :user-agent:references:in-reply-to:message-id:date:subject:cc:to :from:dkim-signature; bh=S0O8Q5jtUKGTfG+t39w+z9XXGrbL6MSrliA8vb/JJNo=; b=IY2UGNGK6rW9kLi+NaMTPBJJcQ1gXU8B2SyqvvThd3e4xDQQ53QlWoJxi8xrUyarhF 10AB9VpLCj/j8ScCc0LDHN7FtySN+v/DnnBYGGn7xazNeWSld3jB9pA2ox1SrpTRRNPI d5GopjzPEotXZuwpg3lUbLrWKbfw0x56Q/3PO6f98/FZ/kzCozP1gLKVkcOKzhpmsQWB 3I26cyBXRah3sP5RFwkfTUo9q8Kt5sHF9EAqCss+fr+bUsh3nagFOoTtOptm03vfCA1v MUWTwuPE6eRSYvS6ylWY5gvRDvlgqPUPT9ASnMUkYgYRfl2H/7camHPATqh1jvVZqMNL eL6Q== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="bWNoL/fI"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [23.128.96.18]) by mx.google.com with ESMTP id y18si11357378edr.488.2021.06.14.04.15.21; Mon, 14 Jun 2021 04:15:43 -0700 (PDT) Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18; Authentication-Results: mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b="bWNoL/fI"; spf=pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=linuxfoundation.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235021AbhFNLQM (ORCPT + 99 others); Mon, 14 Jun 2021 07:16:12 -0400 Received: from mail.kernel.org ([198.145.29.99]:39676 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233958AbhFNLDt (ORCPT ); Mon, 14 Jun 2021 07:03:49 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id EB7AA6191B; Mon, 14 Jun 2021 10:44:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623667468; bh=oOZfVwqe4Q2H/WNxZodKKGnp1gY45NtnBA8IR4gLn8Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=bWNoL/fI+nnYoZ9vXeOSJ/YNMSOR6QajuCc8RtFN1rnwvZkKnFI/7EI4SQ4QB3N1x ll9aXHvoZR8AzKmqzWO1XTweMLpLQ5f5mj+vuQseHnl+gKgNgB9d9JnoCywkw/HuPk bPh6Qa0Q27nIhPonsi+aB98ZBDnach+0QHI3zCLQ= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Chris Packham , Michael Ellerman , Wolfram Sang , Sasha Levin Subject: [PATCH 5.10 040/131] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers Date: Mon, 14 Jun 2021 12:26:41 +0200 Message-Id: <20210614102654.381052221@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210614102652.964395392@linuxfoundation.org> References: <20210614102652.964395392@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Chris Packham [ Upstream commit 19ae697a1e4edf1d755b413e3aa38da65e2db23b ] The i2c controllers on the P1010 have an erratum where the documented scheme for i2c bus recovery will not work (A-004447). A different mechanism is needed which is documented in the P1010 Chip Errata Rev L. Signed-off-by: Chris Packham Acked-by: Michael Ellerman Signed-off-by: Wolfram Sang Signed-off-by: Sasha Levin --- arch/powerpc/boot/dts/fsl/p1010si-post.dtsi | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi index 1b4aafc1f6a2..9716a0484ecf 100644 --- a/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi +++ b/arch/powerpc/boot/dts/fsl/p1010si-post.dtsi @@ -122,7 +122,15 @@ }; /include/ "pq3-i2c-0.dtsi" + i2c@3000 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-i2c-1.dtsi" + i2c@3100 { + fsl,i2c-erratum-a004447; + }; + /include/ "pq3-duart-0.dtsi" /include/ "pq3-espi-0.dtsi" spi0: spi@7000 { -- 2.30.2