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=-8.2 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,NICE_REPLY_A,SPF_HELO_NONE, SPF_PASS,USER_AGENT_SANE_1 autolearn=unavailable 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 1709DC433DF for ; Tue, 18 Aug 2020 11:31:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 00F0A205CB for ; Tue, 18 Aug 2020 11:31:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726699AbgHRLbP (ORCPT ); Tue, 18 Aug 2020 07:31:15 -0400 Received: from imap3.hz.codethink.co.uk ([176.9.8.87]:50904 "EHLO imap3.hz.codethink.co.uk" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726636AbgHRLaf (ORCPT ); Tue, 18 Aug 2020 07:30:35 -0400 X-Greylist: delayed 1272 seconds by postgrey-1.27 at vger.kernel.org; Tue, 18 Aug 2020 07:30:31 EDT Received: from [188.210.212.0] (helo=[192.168.0.104]) by imap3.hz.codethink.co.uk with esmtpsa (Exim 4.92 #3 (Debian)) id 1k7zUO-0005sK-8K; Tue, 18 Aug 2020 12:09:12 +0100 Subject: Re: [PATCH 0/3] pinctrl: mcp23s08: Fixups for mcp23x17 To: Rob Herring Cc: linus.walleij@linaro.org, linux-gpio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20200814100357.209340-1-thomas.preston@codethink.co.uk> <26d33248-c07b-db2c-2989-3ca14aea7896@codethink.co.uk> <20200817192957.GA1401599@bogus> From: Thomas Preston Message-ID: <13c56cdc-ecb4-6590-7233-887397f1cd97@codethink.co.uk> Date: Tue, 18 Aug 2020 12:09:10 +0100 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200817192957.GA1401599@bogus> Content-Type: text/plain; charset=utf-8; format=flowed Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 17/08/2020 20:29, Rob Herring wrote: > On Fri, Aug 14, 2020 at 02:56:54PM +0100, Thomas Preston wrote: >> Actually I think I'm wrong about the interrupt-controller changes in patches >> 0002 and 0003. > > You are. Looking at the datasheet, the GPIOs have interrupt capability. > GPIO controllers are typically both an interrupt client and provider. Thanks for the clarification. I still think the patch 0001 is required. The precious and volatile ranges are broken.