From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754851AbaCKLMp (ORCPT ); Tue, 11 Mar 2014 07:12:45 -0400 Received: from mail-wg0-f52.google.com ([74.125.82.52]:52701 "EHLO mail-wg0-f52.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754814AbaCKLMl (ORCPT ); Tue, 11 Mar 2014 07:12:41 -0400 Date: Tue, 11 Mar 2014 11:12:34 +0000 From: Lee Jones To: Maxime Coquelin Cc: Rob Landley , Rob Herring , Pawel Moll , Mark Rutland , Ian Campbell , Kumar Gala , Russell King , Srinivas Kandagatla , Stuart Menefy , Linus Walleij , Giuseppe Cavallaro , linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, kernel@stlinux.com Subject: Re: [PATCH v3 2/5] pinctrl: st: Enhance the controller to manage unavailable registers Message-ID: <20140311111234.GA21216@lee--X1> References: <1394203251-25361-1-git-send-email-maxime.coquelin@st.com> <1394203251-25361-3-git-send-email-maxime.coquelin@st.com> <20140310091707.GD14976@lee--X1> <531EC6C0.4080202@st.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <531EC6C0.4080202@st.com> User-Agent: Mutt/1.5.21 (2010-09-15) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org > >>From: Giuseppe Cavallaro > >> > >>This patch adds a new logic inside the st pinctrl to manage > >>an unsupported scenario: some sysconfig are not available! > >> > >>This is the case of STiH407 where, although documented, the > >>following registers from SYSCFG_FLASH have been removed from the SoC. > >> > >>SYSTEM_CONFIG3040 > >> Output Enable pad control for all PIO Alternate Functions > >>and > >>SYSTEM_ CONFIG3050 > >> Pull Up pad control for all PIO Alternate Functions > >> > >>Without managing this condition an imprecise external abort > >>will be detect. > >> > >>To do this the patch also reviews the st_parse_syscfgs > >>and other routines to manipulate the registers only if > >>actually available. > >>In any case, for example the st_parse_syscfgs detected > >>an error condition but no action was made in the > >>st_pctl_probe_dt. > >> > >>Signed-off-by: Maxime Coquelin > >>Signed-off-by: Giuseppe Cavallaro No problem with any of your comments. Once the fixups have been made, feel free to apply my: Acked-by: Lee Jones -- Lee Jones Linaro STMicroelectronics Landing Team Lead Linaro.org │ Open source software for ARM SoCs Follow Linaro: Facebook | Twitter | Blog