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=-4.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED 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 E92E9C10F05 for ; Tue, 26 Mar 2019 07:57:18 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id C350420879 for ; Tue, 26 Mar 2019 07:57:18 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730624AbfCZH5R (ORCPT ); Tue, 26 Mar 2019 03:57:17 -0400 Received: from mail-ua1-f68.google.com ([209.85.222.68]:37114 "EHLO mail-ua1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1730362AbfCZH5R (ORCPT ); Tue, 26 Mar 2019 03:57:17 -0400 Received: by mail-ua1-f68.google.com with SMTP id x1so3972223uaj.4; Tue, 26 Mar 2019 00:57:16 -0700 (PDT) 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=gPRH9eDWNbvi0uKMMUGGF77TbpzvUgjjZNft9wRxCXk=; b=IP71/0bM3SEuqcYcGntNLAyNC9/l2LvfCMxfLrdE1CzFENTtpFhhCiSJaitzqqXnXK +6gGOKDRIX7QzdELPOJDL1UYSJX6ylSv157kLDzWtpZ9qo6k/13KthUVPrLY65Yeb9PU H/13Zajxe5yGmpHFiKSyiNILZuwUfHBF17qITUkF3dcvfYiYJUDRcDSAmfi/FFooJ/JA /jOdpWEcgnn3y0GJrR0b82lPZbu/+ymXrmzcw88lNsh3TT4TEGF86co+pLdd5010B/f0 vN19U/7gd2bBx6RG3xOPnU7EqBkX82m75as06ld9RZqkLDZdcPivpU59dAbhYag8OAnr XLQg== X-Gm-Message-State: APjAAAX1il7UUlQ37MEdJbebaMYwSRmNjprrVtW2DGUE8xTltwj9rO/u e5gCFQ3MvDZRmPy4bOzDvqiXBX6zsM4GJcKUkH0= X-Google-Smtp-Source: APXvYqwweeNSasS0o6gp8vd9G/wC1k9f8+TiBpQkU5Wf0UPgUmJPN5Qng3BHgyIR0H+PUGksJkp9jjN2X6CyPIP8NVE= X-Received: by 2002:ab0:6419:: with SMTP id x25mr12261359uao.86.1553587036431; Tue, 26 Mar 2019 00:57:16 -0700 (PDT) MIME-Version: 1.0 References: <20190325194319.12850-1-marek.vasut@gmail.com> In-Reply-To: <20190325194319.12850-1-marek.vasut@gmail.com> From: Geert Uytterhoeven Date: Tue, 26 Mar 2019 08:57:04 +0100 Message-ID: Subject: Re: [PATCH V3] PCI: rcar: Add the initialization of PCIe link in resume_noirq() To: Marek Vasut Cc: linux-pci , Kazufumi Ikeda , Gaku Inami , Marek Vasut , Lorenzo Pieralisi , Simon Horman , Wolfram Sang , stable , Geert Uytterhoeven , Phil Edworthy , Wolfram Sang , Linux-Renesas Content-Type: text/plain; charset="UTF-8" Sender: linux-pci-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-pci@vger.kernel.org On Mon, Mar 25, 2019 at 8:43 PM wrote: > From: Kazufumi Ikeda > > Reestablish the PCIe link very early in the resume process in case it > went down to prevent PCI accesses from hanging the bus. Such accesses > can happen early in the PCI resume process, as early as the > SUSPEND_RESUME_NOIRQ step, thus the link must be reestablished in the > driver resume_noirq() callback. > > Fixes: e015f88c368d ("PCI: rcar: Add support for R-Car H3 to pcie-rcar") > Signed-off-by: Kazufumi Ikeda > Signed-off-by: Gaku Inami > Signed-off-by: Marek Vasut > [lorenzo.pieralisi@arm.com: reformatted commit log] > Signed-off-by: Lorenzo Pieralisi > Reviewed-by: Simon Horman > Acked-by: Wolfram Sang Reviewed-by: Geert Uytterhoeven Gr{oetje,eeting}s, Geert -- Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org In personal conversations with technical people, I call myself a hacker. But when I'm talking to journalists I just say "programmer" or something like that. -- Linus Torvalds