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=-10.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=ham 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 32AEAC4361B for ; Mon, 14 Dec 2020 14:00:48 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id E7E9C22B40 for ; Mon, 14 Dec 2020 14:00:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2408006AbgLNOAh (ORCPT ); Mon, 14 Dec 2020 09:00:37 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:40502 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725811AbgLNOA2 (ORCPT ); Mon, 14 Dec 2020 09:00:28 -0500 Received: from mail-ej1-x643.google.com (mail-ej1-x643.google.com [IPv6:2a00:1450:4864:20::643]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id CA122C0613CF for ; Mon, 14 Dec 2020 05:59:47 -0800 (PST) Received: by mail-ej1-x643.google.com with SMTP id qw4so22556369ejb.12 for ; Mon, 14 Dec 2020 05:59:47 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=mime-version:references:in-reply-to:from:date:message-id:subject:to :cc; bh=5H7oAxGb3iQZrCCoWQnHSim3vHHDqX492ZEX+0522JA=; b=E5WzSXql5xOy33DMZhQ1AtHVOA5+dQkUQbhDDMUVzDDQOBysNGn6P89KTX8Bil6ID4 I9Zh7xSeBnewqpqXdslVIY8OqVT9+zyLW0Bi0sIlp+7hC0DLz250hU9310L4nWYwSrac qeiiQo+sKiyjTc9Ysn72d34ms8mVm9LmwseZROaOoCQ3KIWOLIIaFxRkBhcHOZXNXYIU Ar/NldL8WxnlcWfGmdvrMm454jwbb5j9V4T3VpkrWPDb2GknnKZyirnMLMoldVjwJR/x 1jkBuqeUI+nztnkmwRVYKmKB9qKOs3qTGf3AiaAS4mHcztLiMsoDDrOLplj0KEfAtNmg TVxA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to:cc; bh=5H7oAxGb3iQZrCCoWQnHSim3vHHDqX492ZEX+0522JA=; b=iQWRM8gshwjPHo0L15nl00zSSIqC24pvjJ1ox9rVO1L4m88eqoEdqQ+HrqVCiFYJKb Yqf1oRW+7qp3LNxN0LVmjJCK/ZKKz/xqvaHtUPlAVv1yJ5hPttdlQlxEkBtw6SyPIdSx D/IggyUs+rr3/sxgknjvbd81oznkVmVrBOF+l/D4Ae+3OiNr3KGqtHzbTT0keg5HV1Gg 3X+K7bJ+fm82sRkwQ2nqMCY+ZsASqBGk0w3RZT8ZbFJoCBw8nAZ+XWWu07TWtu95/Zjx OnW0zZKUkFunhasgW8Ce17GmZge1hgQb7POwH7CXnrXWq6V3Zg6+dqGEkRKUIIVFeEFt qyhw== X-Gm-Message-State: AOAM531nMaNiU1mHI1kDbvzmEibwWzuVtzgGBx7xq4C2CjLnGy2mi7LD ppn7o+M+kNAsRsVSINX3Nxwh6fyM3akIFq1l8Hhixw== X-Google-Smtp-Source: ABdhPJzjzgdUhyWig4DEp4Q/tEm6/GdGNCL6i+wnrcy/Sd5uHZxWrgLniqo3zQGYSM+7R1RYgq19GJF/S7T5NbdvTf4= X-Received: by 2002:a17:906:2798:: with SMTP id j24mr2963366ejc.328.1607954386413; Mon, 14 Dec 2020 05:59:46 -0800 (PST) MIME-Version: 1.0 References: <1607594575-31590-1-git-send-email-loic.poulain@linaro.org> <1607594575-31590-7-git-send-email-loic.poulain@linaro.org> <3fd3f60c-777c-2710-92ae-1c89cda1aa38@codeaurora.org> In-Reply-To: <3fd3f60c-777c-2710-92ae-1c89cda1aa38@codeaurora.org> From: Loic Poulain Date: Mon, 14 Dec 2020 15:06:23 +0100 Message-ID: Subject: Re: [PATCH v4 06/10] mhi: pci_generic: Add suspend/resume/recovery procedure To: Hemant Kumar Cc: Manivannan Sadhasivam , linux-arm-msm , Jeffrey Hugo , Bhaumik Bhatt Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org On Fri, 11 Dec 2020 at 21:22, Hemant Kumar wrote: > > Hi Loic, > > On 12/10/20 2:02 AM, Loic Poulain wrote: > > Add support for system wide suspend/resume. During suspend, MHI > > device controller must be put in M3 state and PCI bus in D3 state. > > > > Add a recovery procedure allowing to reinitialize the device in case > > of error during resume steps, which can happen if device loses power > > (and so its context) while system suspend. > > > > Signed-off-by: Loic Poulain > > --- > >[..] > > +int __maybe_unused mhi_pci_suspend(struct device *dev) > suspend API is not static but resume is. Any reason for that ? No, going to fix that, thanks.