Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2641833pxj; Mon, 14 Jun 2021 03:49:30 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyL9JUBYj0N2Tt98rpLtM0IeS4BgpFKxL4thFTUJnUCltm22V37LGsq4d53itMJ3ARaM5OP X-Received: by 2002:a17:907:984a:: with SMTP id jj10mr10760742ejc.436.1623667769826; Mon, 14 Jun 2021 03:49:29 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623667769; cv=none; d=google.com; s=arc-20160816; b=mFb3eIjR0I4Qdmd9y5277O3JlCT+RKds8H0yZAAB3rdP2cS1AlxNd+v0DNnxklvzrn Uz4RjLfCiNn3ef1tyCi1Dt0BuTMqMtJ5NC4n9ZrzmmrKrQ8cclVtBflKJdPMiBfSTWPl rxDJ9I+Un973s4lRYHkx2e6Luzv/laiRZxCqoJ++u3h8G+Pp0cZhuXMrTN2bMwRb3hsZ DlSwZIjBbI5l/846/yTrzWhi6voppddyIFSHmXvCwIVq5BHFwV/i0Eq/z8lG0gO5bcla XJjtWqU3wpdKivwY4aX3LR8ccecFap2TiYIphCqjrixhvQUXFub1LnoonK+g1F3d+6JX L7UQ== 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=ys3kac7HJOq68GJk1RiC8TxbOTbO4k73hRnm28GwEF8=; b=hDOlAKRS9AitVKuWvEAP7dshnVUAhwHlN1hMeNDIbTdyFdb5EwvXJbW4OeAy0Z4F6n +XCSbeuhOJMLi3OsxsI/j1kXDR2aRgnHpdGWmoAAY+o6ggOkVrgNVbaeRjSxe7vbkk1q yBCyd4eC084mQG7lPabgbe7x0/JOgeAPXcf8GRICxtUtZSt6dXRhfsk87IJRQLbRN4mU m51rhG58wJsySvPF4gPilfbxd2IpSWDHotu8zWTMUNrf8+eUrV5qMNlyQ8gSY0BKuypH RiePWSlvlt1d+YiHPFNz/+KOf6iCd3qgkG5TXL+nzRT0JUSFQEvtLICHUJKcTmAd4+U4 1FYw== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=yVlIUYDp; 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 cw25si11352166edb.164.2021.06.14.03.49.07; Mon, 14 Jun 2021 03:49:29 -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=yVlIUYDp; 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 S234311AbhFNKtm (ORCPT + 99 others); Mon, 14 Jun 2021 06:49:42 -0400 Received: from mail.kernel.org ([198.145.29.99]:45194 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234032AbhFNKjp (ORCPT ); Mon, 14 Jun 2021 06:39:45 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id A9829613FA; Mon, 14 Jun 2021 10:34:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623666862; bh=06HxnxtIEZnzYB12uT+NogL52PJZi6xTPiWFgKmivTo=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=yVlIUYDpzN3BNX0GVpTA/tb+FX+rsM9jBndqccSxo4UgN5FhkuGqhg6RJ9LdFE/HA R5oc9v4SFoUzb0qmc8mSWh4pfBHiTlMFqMHikW/AaQhVian0MHeLmoip2XJXAZC2k5 AwVBYaMlfkx6p2wrTfKp8Nqyv5LSL3OHhGnTKYV0= 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 4.14 18/49] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers Date: Mon, 14 Jun 2021 12:27:11 +0200 Message-Id: <20210614102642.474214433@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210614102641.857724541@linuxfoundation.org> References: <20210614102641.857724541@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 af12ead88c5f..404f570ebe23 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