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

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Date:   Fri, 8 Jan 2021 20:37:34 +0100
From:   Andreas Kemnade <andreas@...nade.info>
To:     Adam Ford <aford173@...il.com>
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

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? 

Regards,
Andreas