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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id F1FCBC6FD1D for ; Thu, 30 Mar 2023 11:18:57 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231658AbjC3LS5 (ORCPT ); Thu, 30 Mar 2023 07:18:57 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56216 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231665AbjC3LSb (ORCPT ); Thu, 30 Mar 2023 07:18:31 -0400 Received: from mail-lf1-x131.google.com (mail-lf1-x131.google.com [IPv6:2a00:1450:4864:20::131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CC8BF93F7 for ; Thu, 30 Mar 2023 04:17:31 -0700 (PDT) Received: by mail-lf1-x131.google.com with SMTP id q16so24021154lfe.10 for ; Thu, 30 Mar 2023 04:17:31 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1680175050; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :from:to:cc:subject:date:message-id:reply-to; bh=cAEmoOmHDUyz32tedMlQ2r4Q5K5jN7ua9iB3PWYwB6U=; b=KDp703UabDwigYmNle2sIZ7CIQJJH9DpN8rGG+9cuS40rdVWKemJRTr2yBqXk/ouMG e1S7gBjZubBMQ2HBY19fogoNkPqVbBw89kEsWr6eaeuGKGwx0qpJFNxRSEMMotR9UkTJ xhsQMSTffJMJICmAkUIVTJTtgmEh/T88yxrQpL17X3/ABUq1CQ7ZxhYzgjQsYjQUWTsz zGsDSzDMvvk6RU8/y0gj5ZEVH3tsv+ZZlj9dhcvOFbDKtBwWrkrqQz15yWF8m2NuvDgJ ARKyd7UIPt3QvBXY9Gvm12mGiUYvCIcKeAh+vTYPh/SaVYTC94AaChFIixGci2H1EFAM MeuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1680175050; h=content-transfer-encoding:in-reply-to:from:references:cc:to :content-language:subject:user-agent:mime-version:date:message-id :x-gm-message-state:from:to:cc:subject:date:message-id:reply-to; bh=cAEmoOmHDUyz32tedMlQ2r4Q5K5jN7ua9iB3PWYwB6U=; b=i6Q49XUGYl7MMgMGWnjRkxJFMpeRj9MM0EQ/iW+QIVXo3spVZcxgxwRUe8fiBMnu9A Mb64fQsLynWYZjScOR47Bndr5bmRHRdSMQ1lOvDjTSiok5n3QcoUsrvi1Y3ujutoNOVx /+RO3fI6sR1TrEuMTrXto0cqXJxtjBuLqtvKOAjGu52S6x741g3AjszRfH5LcjBAY8WA nKYdc79gToSKJN89zOI9+pUUyFREtj4uISfHeN61xUt2TUb4n+yOjiFJm2uewzeZjZzJ 1oBk6fiPo2uUDF6Y4YEcdas/sYmQlZDs7CT3yq/aJwscvgqCEFKN9yeugFc9kxI7uACP ojlg== X-Gm-Message-State: AAQBX9dj1EwRuuIXrtl8p4huCRPa9hFA8T/u+fHBE2EoggJlbv/bVVav IpTPpkxlajJg6mBb6WUNNs80xg== X-Google-Smtp-Source: AKy350bebCbdkam+eHltMXBgO/M8ORUisIwArR+3AdFeJUSSdQJ27xoIAnaKb8Ocn9Ozpe/MYmsv7g== X-Received: by 2002:a19:4f51:0:b0:4dc:790c:9100 with SMTP id a17-20020a194f51000000b004dc790c9100mr1705122lfk.12.1680175050041; Thu, 30 Mar 2023 04:17:30 -0700 (PDT) Received: from [192.168.1.101] (abxj225.neoplus.adsl.tpnet.pl. [83.9.3.225]) by smtp.gmail.com with ESMTPSA id x3-20020ac259c3000000b004db2c5c895bsm5789641lfn.234.2023.03.30.04.17.29 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 30 Mar 2023 04:17:29 -0700 (PDT) Message-ID: <2fbb605a-8ec4-3cd0-3200-5997149bf478@linaro.org> Date: Thu, 30 Mar 2023 13:17:28 +0200 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH 2/2] irqchip: irq-qcom-mpm: Support passing a slice of SRAM as reg space Content-Language: en-US To: Shawn Guo Cc: Andy Gross , Bjorn Andersson , Thomas Gleixner , Marc Zyngier , Rob Herring , Krzysztof Kozlowski , Marijn Suijten , linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20230328-topic-msgram_mpm-v1-0-1b788a5f5a33@linaro.org> <20230328-topic-msgram_mpm-v1-2-1b788a5f5a33@linaro.org> <20230329034958.GC3554086@dragon> <20230329132819.GA3590215@dragon> <14350eba-edb6-0243-5451-2e2b7d1bd3fd@linaro.org> <20230330015012.GC3590215@dragon> From: Konrad Dybcio In-Reply-To: <20230330015012.GC3590215@dragon> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org On 30.03.2023 03:50, Shawn Guo wrote: > On Wed, Mar 29, 2023 at 03:30:12PM +0200, Konrad Dybcio wrote: >>> Otherwise, I do not understand why devm_ioremap_resource() cannot be >>> used. >> drivers/rpmsg/qcom_glink_rpm.c calls devm_ioremap on the entire >> RPM MSG RAM. > > qcom_glink_rpm driver remaps the entire RPM MSG RAM, but it doesn't seem > to request any region. So MPM can still call devm_ioremap_resource() on > its slice, no? FWIW, I did get a 'can't request resource error'. Konrad > > Shawn