From: Geert Uytterhoeven <geert@linux-m68k.org>
To: Marek Vasut <marek.vasut@gmail.com>
Cc: linux-pci <linux-pci@vger.kernel.org>,
Kazufumi Ikeda <kaz-ikeda@xc.jp.nec.com>,
Gaku Inami <gaku.inami.xw@bp.renesas.com>,
Marek Vasut <marek.vasut+renesas@gmail.com>,
Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>,
Simon Horman <horms+renesas@verge.net.au>,
Wolfram Sang <wsa+renesas@sang-engineering.com>,
stable <stable@vger.kernel.org>,
Geert Uytterhoeven <geert+renesas@glider.be>,
Phil Edworthy <phil.edworthy@renesas.com>,
Wolfram Sang <wsa@the-dreams.de>,
Linux-Renesas <linux-renesas-soc@vger.kernel.org>
Subject: Re: [PATCH V3] PCI: rcar: Add the initialization of PCIe link in resume_noirq()
Date: Tue, 26 Mar 2019 08:57:04 +0100 [thread overview]
Message-ID: <CAMuHMdW3tQHUXuXGQT5xf-Cpbsqwiz0bo=sy4ZK-6O2uMHg7AQ@mail.gmail.com> (raw)
In-Reply-To: <20190325194319.12850-1-marek.vasut@gmail.com>
On Mon, Mar 25, 2019 at 8:43 PM <marek.vasut@gmail.com> wrote:
> From: Kazufumi Ikeda <kaz-ikeda@xc.jp.nec.com>
>
> 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 <kaz-ikeda@xc.jp.nec.com>
> Signed-off-by: Gaku Inami <gaku.inami.xw@bp.renesas.com>
> Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
> [lorenzo.pieralisi@arm.com: reformatted commit log]
> Signed-off-by: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
> Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
> Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
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
next prev parent reply other threads:[~2019-03-26 7:57 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-25 19:43 [PATCH V3] PCI: rcar: Add the initialization of PCIe link in resume_noirq() marek.vasut
2019-03-26 7:57 ` Geert Uytterhoeven [this message]
2019-03-26 11:24 ` Lorenzo Pieralisi
2019-03-28 14:18 ` Bjorn Helgaas
2019-03-28 14:43 ` Lorenzo Pieralisi
2019-03-28 14:59 ` Geert Uytterhoeven
2019-03-28 18:59 ` Bjorn Helgaas
2019-03-29 9:52 ` Marek Vasut
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