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Date:   Tue, 15 Jan 2019 19:27:16 +0000
From:   Mark Brown <>
To:     Jon Hunter <>
Cc:     Martin Sperl <>,
        linux-tegra <>,
        Linux Kernel Mailing List <>,
Subject: Re: Regression: spi: core: avoid waking pump thread from spi_sync
 instead run teardown delayed

On Tue, Jan 15, 2019 at 04:09:14PM +0000, Jon Hunter wrote:
> On 15/01/2019 15:10, Mark Brown wrote:
> > On Tue, Jan 15, 2019 at 02:26:02PM +0000, Jon Hunter wrote:

> > Right, I think with the current code we just shouldn't be checking for
> > busy in teardown, since there's now a fairly big delay between idle and
> > actually turning the hardware off the name is just super misleading and
> > the logic confused.  I don't have time to test right now but does
> > something like the below which changes it to a flag for the hardware
> > being powered up work:

> I tried your change but the same problem still persists.

OK, I feared as much with the stats not showing any activity.  I do
think it needs a cleanup still but probably won't help here.

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