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 3747AC4332F for ; Tue, 29 Nov 2022 08:30:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230362AbiK2IaM (ORCPT ); Tue, 29 Nov 2022 03:30:12 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40634 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230354AbiK2I3T (ORCPT ); Tue, 29 Nov 2022 03:29:19 -0500 Received: from mail-wr1-x42e.google.com (mail-wr1-x42e.google.com [IPv6:2a00:1450:4864:20::42e]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 13EE159850 for ; Tue, 29 Nov 2022 00:28:48 -0800 (PST) Received: by mail-wr1-x42e.google.com with SMTP id y16so1076934wrm.2 for ; Tue, 29 Nov 2022 00:28:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:from:to:cc:subject:date:message-id:reply-to; bh=UsdFpV0/mKDiXztrE9lqloezboDBtAsqnTTRBiOVtQ8=; b=Lt2YZeLSZM3s91FD+Cb0iXVLAQ7owCjKjUS3Ae1jNlIFM57h8NDDsrdMoGpW7NxjJa Rm8jNQBM0CsA5pty/Bg3BlqfgA0EMOOWKsjso8ekNmvzv7Y0S1J7erclbRbZEQqinaT/ gVVrh8W8ZYGjPrjoky8mP++kBkSABMYMc3U2fuidvKGXyp9Tx1Ow6wAxnq5iJZHZdM3r TJi8XcPA8zVgd5aDMCWieNA/HklwLLcgdUsOqu0tEx/W7DQhuBfkJxGdC5NUWn069GFM PfUnT7ajbkDUVv3REcjyLLjLpbC0M1uQMnE2XKM8PA7RuGDz2TTlUlC6ntyIxYIzP1KA kZzA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=content-transfer-encoding:in-reply-to:organization:references:cc:to :content-language:subject:reply-to:from:user-agent:mime-version:date :message-id:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=UsdFpV0/mKDiXztrE9lqloezboDBtAsqnTTRBiOVtQ8=; b=YeGBeItK+UxOuVrx85ry/RAv8CNp3FcKGZUIJjZan4IiHqGx5Zr4NBCT0qYOarrWYQ usBdy+WqMqub3TFkUgfiFrU57Uc8J9hNc4OC7qJgwDWa+GXb8OaQagQ8rahqMvPYhaZo OoeFD5JnYxJcrPHwC8xpnTBV5yYgS7AYF9oLjg1DZVrt3u8XXPM0Xk91FcPc4c0+nfoL SAin2l1GKEj7Bk9ZI9BNe3oi0EitndzszCdNwB92YYreupmV15ry6xGkjySKzFGlLvpk fgYKzS4p5x3390APXl8ZmcmFEINaA0KkHGq9+bmDM3ixMURvwppHCv+tUZIiVwhmD7xM R9Ow== X-Gm-Message-State: ANoB5pk6TE10zIqOdEaTwZ0KuqBnVZfbTdd+7MaSXRCATHs6POZhHwco F1znuuJFi0sWY6Mq7wM/rVxJG6ZWboc6AVb6 X-Google-Smtp-Source: AA0mqf5Z0ZWZ9WQn5gBf/30EXFOX91ieTBWgfiEIeO5U9aZafcjJQFiEzNfLFKEoKitug8Bt471FDA== X-Received: by 2002:a5d:68cc:0:b0:242:1c1a:37e6 with SMTP id p12-20020a5d68cc000000b002421c1a37e6mr4279056wrw.549.1669710526889; Tue, 29 Nov 2022 00:28:46 -0800 (PST) Received: from ?IPV6:2a01:e0a:982:cbb0:2f85:a28c:5df7:9cd2? ([2a01:e0a:982:cbb0:2f85:a28c:5df7:9cd2]) by smtp.gmail.com with ESMTPSA id h18-20020adff4d2000000b00242269c8b8esm83142wrp.25.2022.11.29.00.28.46 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 29 Nov 2022 00:28:46 -0800 (PST) Message-ID: <301cfc50-5452-7e71-559e-2586f89464d6@linaro.org> Date: Tue, 29 Nov 2022 09:28:47 +0100 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.4.2 From: Neil Armstrong Reply-To: neil.armstrong@linaro.org Subject: Re: [PATCH v2 0/2] soc: qcom: Add support for Qualcomm Modem Processing SubSystem DSM memory Content-Language: en-US To: Bjorn Andersson , Frank Rowand , Konrad Dybcio , Krzysztof Kozlowski , Rob Herring , Andy Gross Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20221114-narmstrong-sm8550-upstream-mpss_dsm-v2-0-f7c65d6f0e55@linaro.org> Organization: Linaro Developer Services In-Reply-To: <20221114-narmstrong-sm8550-upstream-mpss_dsm-v2-0-f7c65d6f0e55@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 18/11/2022 09:53, Neil Armstrong wrote: > The Qualcomm SM8550 SoC Modem Processing SubSystem requires that a memory > region named DSM should be shared with the Application Processor SubSystem. > > This adds bindings for this MPSS DSM memory and driver implementation to > share this memory region with the Modem Processing SubSystem. > > The MPSS DSM memory must be shared between the APPS SubSystem and the MPSS > SubSystems, for the whole lifetime of the system. > > To: Andy Gross > To: Bjorn Andersson > To: Konrad Dybcio > To: Rob Herring > To: Krzysztof Kozlowski > To: Frank Rowand > Cc: linux-arm-msm@vger.kernel.org > Cc: devicetree@vger.kernel.org > Cc: linux-kernel@vger.kernel.org > Signed-off-by: Neil Armstrong > > --- > Changes in v2: > - Fixed the bindings > - Added some precision on the MPSS DSM in commit messages > - Link to v1: https://lore.kernel.org/r/20221114-narmstrong-sm8550-upstream-mpss_dsm-v1-0-158dc2bb6e96@linaro.org > > --- > Neil Armstrong (2): > dt-bindings: reserved-memory: document Qualcomm MPSS DSM memory > soc: qcom: add MDSS DSM memory driver > > .../reserved-memory/qcom,mpss-dsm-mem.yaml | 37 +++++++++ > drivers/of/platform.c | 1 + > drivers/soc/qcom/Kconfig | 10 +++ > drivers/soc/qcom/Makefile | 1 + > drivers/soc/qcom/mpss_dsm_mem.c | 95 ++++++++++++++++++++++ > 5 files changed, 144 insertions(+) > --- > base-commit: 999e0145579c0e04174044a39257a4d96ee30020 > change-id: 20221114-narmstrong-sm8550-upstream-mpss_dsm-21c438c65f9b > > Best regards, After discussions on https://lore.kernel.org/all/20221114-narmstrong-sm8550-upstream-mpss_dsm-v1-0-158dc2bb6e96@linaro.org/, handling of this memory zone will be integrated into the remoteproc PAS changes. Neil