On Sun, Feb 17, 2019 at 02:24:41PM +0100, 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, in the resume_noirq, thus
> the link must be reestablished in the resume_noirq callback of the
> driver.
> 
> 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>

I am not a deep PCI expert. Still, the patch looks good to me and I
double checked with the documentation.

Acked-by: Wolfram Sang <wsa+renesas@sang-engineering.com>

Minor nit would be 'CONFIG_PM' protection around the new code. But I
have no strong opinion on that.