Received: by 2002:a05:6a10:206:0:0:0:0 with SMTP id 6csp2648257pxj; Mon, 14 Jun 2021 04:00:50 -0700 (PDT) X-Google-Smtp-Source: ABdhPJyJnw4+DqiChq4gJdrTNS9gtvMvWHKLiIFkXCmqwSkam8Kib1WyY3pRuUlgJy2zUN9+M3bm X-Received: by 2002:a50:ce0b:: with SMTP id y11mr16894329edi.356.1623668450500; Mon, 14 Jun 2021 04:00:50 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1623668450; cv=none; d=google.com; s=arc-20160816; b=W8isIPPhh1tA/LxlluEUkQvZK7HusuG2skxWOgtF/tqEErbq/zt9Iz8Uhc4FpYonmn YzdAMspQkCetTE+enuiUmOotwORswZ/wUvE81SWY3djL7q6c/z7JHGkLBLF8wmB9JRDI rnSSNEwRlx0PEZxNpgd2oAqgtH4T9dsFT7TO3UjedxE/8hW0jRUURRH8A1wthDJOgT/f qLe2+bkJzhbj/lWINU/z5m2xpti8UrLKv/G0nPXJI4SRc3ToI7onTyAeURPmcDPpVQYk 4ATNspefLa/f8hBvZFBhnzLNfpgny6Zts5A9X5WevwfTJ4l8HtYewdEWBx4Ug16YrYJL 9iww== 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=whhYQD143Z4wf/U5NjPJMpVSBe0F8zJIz2GWkGIBH7brC1yGn5oopxNSQtZ5SW3JHr VE4X+AfEUNC4azSCTBrBzhCGzUrEu1vY/qyk+zX5kgB84t8f7+uyetlkKuBlyKoeu3CP SqR7gvdsEdRrfygsM2AwTQQMy5STeOLZUwX5dMiQ3dXO+0uDY627ccc5HmlbFl0RhJpv maPBIcd+46bBgQvy2r03gYAnhhM3tGLy9OusArh6armuv3vngkfMbbqs/y8P1VXEny5E wAImKPUgBiq7Z1YAYC3i7935ojzY10Wnou4dden6+b/0pPBPGwvVL4CzBkeqRFYWnOid OCkA== ARC-Authentication-Results: i=1; mx.google.com; dkim=pass header.i=@linuxfoundation.org header.s=korg header.b=QT0Vz6sB; 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 h12si10842844ejc.216.2021.06.14.04.00.24; Mon, 14 Jun 2021 04:00:50 -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=QT0Vz6sB; 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 S234680AbhFNK6c (ORCPT + 99 others); Mon, 14 Jun 2021 06:58:32 -0400 Received: from mail.kernel.org ([198.145.29.99]:58052 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233719AbhFNKuK (ORCPT ); Mon, 14 Jun 2021 06:50:10 -0400 Received: by mail.kernel.org (Postfix) with ESMTPSA id 1734B6145F; Mon, 14 Jun 2021 10:38:30 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1623667111; bh=oOZfVwqe4Q2H/WNxZodKKGnp1gY45NtnBA8IR4gLn8Q=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QT0Vz6sBJpmJNY2RQ10ZlycJeJoKWgnMxWx1qrFUC3ZxCUU5loVf8qADR4uXAq0wX SSDbGwyH6WAxzXZplxs+SHr/BaFWdUHScjzQ9M5x7wE8Kbxec7Hmn08UA5tkzYdpn+ KC6hfM8zKGfnZAYd4zdWZNjEsg5HjR5Jd1/rK7MI= 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 5.4 32/84] powerpc/fsl: set fsl,i2c-erratum-a004447 flag for P1010 i2c controllers Date: Mon, 14 Jun 2021 12:27:10 +0200 Message-Id: <20210614102647.456764919@linuxfoundation.org> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20210614102646.341387537@linuxfoundation.org> References: <20210614102646.341387537@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