linux-kernel - Re: [PATCH v2 0/9] PCI/PM: Improvements related to device transitions into D0

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Message-ID: <CAJZ5v0idfZ+Zpn7quGtny9-swLMa0VwATmAgtp=JRSqyONqwYg@mail.gmail.com>
Date:   Tue, 12 Apr 2022 13:34:39 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Mika Westerberg <mika.westerberg@...ux.intel.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Linux PCI <linux-pci@...r.kernel.org>,
        Linux PM <linux-pm@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Bjorn Helgaas <helgaas@...nel.org>
Subject: Re: [PATCH v2 0/9] PCI/PM: Improvements related to device transitions
 into D0

Hi Mika,

On Tue, Apr 12, 2022 at 1:24 PM Mika Westerberg
<mika.westerberg@...ux.intel.com> wrote:
>
> Hi Rafael,
>
> On Mon, Apr 11, 2022 at 04:17:41PM +0200, Rafael J. Wysocki wrote:
> > Hi All,
> >
> > On Saturday, April 9, 2022 3:03:14 PM CEST Rafael J. Wysocki wrote:
> > > Hi All,
> > >
> > > This series supersedes the one at
> > >
> > > https://lore.kernel.org/linux-pm/4198163.ejJDZkT8p0@kreacher
> > >
> > > It addresses some potential issues related to PCI device transitions from
> > > low-power states into D0 and makes the related code more straightforward
> > > and so easier to follow.
> > >
> > > Please refer to the patch changelogs for details.
> >
> > Here's a v2 of this patch series which is being sent, because I realized that
> > one of the checks in pci_power_up() added by patch [4/7] in v1 was redundant
> > and can be dropped, but that affected the last 3 patches in the series and
> > then I noticed that more improvements were possible and hence the new patches
> > [2/9].
>
> I sent a few minor nits separately. The series looks good to me in
> general and certainly improves readability :)
>
> Reviewed-by: Mika Westerberg <mika.westerberg@...ux.intel.com>

Thank you!

I'll address the issues that you have pointed out and send a v3 of
this series later this week.