linux-kernel - Re: [PATCH] ARM: OMAP2+: omap_device: fix idling of devices during probe

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Message-ID: <CAHCN7x+OjL17cxcz=rZ7OGaBQDc8rCeP3OzO93iT5GBMdEy_FA@mail.gmail.com>
Date:   Sat, 9 Jan 2021 10:00:16 -0600
From:   Adam Ford <aford173@...il.com>
To:     Andreas Kemnade <andreas@...nade.info>
Cc:     Tony Lindgren <tony@...mide.com>,
        Doug Anderson <dianders@...omium.org>,
        Ulf Hansson <ulf.hansson@...aro.org>,
        Wolfram Sang <wsa+renesas@...g-engineering.com>,
        linux-omap <linux-omap@...r.kernel.org>,
        Linux ARM <linux-arm-kernel@...ts.infradead.org>,
        LKML <linux-kernel@...r.kernel.org>,
        Discussions about the Letux Kernel 
        <letux-kernel@...nphoenux.org>
Subject: Re: [PATCH] ARM: OMAP2+: omap_device: fix idling of devices during probe

On Fri, Jan 8, 2021 at 1:37 PM Andreas Kemnade <andreas@...nade.info> wrote:
>
> Hi,
>
> On Fri, 8 Jan 2021 13:17:06 -0600
> Adam Ford <aford173@...il.com> wrote:
>
> > On Mon, Dec 7, 2020 at 8:01 AM Tony Lindgren <tony@...mide.com> wrote:
> > >
> > > * Doug Anderson <dianders@...omium.org> [201204 16:43]:
> > > > Hi,
> > > >
> > > > On Fri, Dec 4, 2020 at 8:14 AM Andreas Kemnade <andreas@...nade.info> wrote:
> > > > >
> > > > > > > Fixes: 21b2cec61c04 ("mmc: Set PROBE_PREFER_ASYNCHRONOUS for drivers that existed in v4.4")
> > > > > >
> > > > > > From the description it sounds like this problem has always existed
> > > > > > but the async probe just tickled it reliably.  Seems like it'd make
> > > > > > sense to tag the "Fixes" as some earlier commit so you make sure your
> > > > > > fix gets picked to kernels even if they don't have the async probe
> > > > > > patch?
> > > > > >
> > > > >
> > > > > Hmm, maybe
> > > > > Fixes: 04abaf07f6d5 ("ARM: OMAP2+: omap_device: Sync omap_device and
> > > > > pm_runtime after probe defer")
> > > > >
> > > > > But on the other hand to stable branches only such patches are applied
> > > > > which solve pratical problems not only theoretical problems. But maybe
> > > > > it solves several random issues where nobody took care to debug them.
> > > > >
> > > > > That would be since v4.11.
> > > >
> > > > I guess maybe best is to include both.  Then if someone is debugging
> > > > why their async probe is failing they will notice this commit, but
> > > > they also might decide to pick it earlier just to be safe...
> > >
> > > OK I'll add the above fixes tag too and apply this into fixes.
> > >
> >
> > It might be too late, but...
> >
> > Tested-by: Adam Ford <aford173@...il.com>  #logicpd-torpedo-37xx-devkit
> >
> hmm, when will it arrive in mainline?

It looks like it's been merged onto Linus Torvalds' branch:

https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=95f05058b2bbe3b85c8617b961879e52f692caa5



>
> Regards,
> Andreas