[PATCH v6 28/30] drm/rockchip: Disable PSR from reboot notifier
Tomasz Figa
tfiga at chromium.org
Mon Apr 16 13:12:07 UTC 2018
Hi Andrzej,
On Mon, Apr 16, 2018 at 6:57 PM Andrzej Hajda <a.hajda at samsung.com> wrote:
> On 05.04.2018 11:49, Enric Balletbo i Serra wrote:
> > From: Tomasz Figa <tfiga at chromium.org>
> >
> > It looks like the driver subsystem detaches devices from power domains
> > at shutdown without consent of the drivers.
> It looks bit strange. Could you elaborate more on it. Could you show the
> code performing the detach?
It not only looks strange, but it is strange. The code was present in 4.4:
https://elixir.bootlin.com/linux/v4.4.128/source/drivers/base/platform.c#L553
but was apparently removed in 4.5:
https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commit/drivers/base/platform.c?h=next-20180416&id=2d30bb0b3889adf09b342722b2ce596c0763bc93
So we might not need this patch anymore.
Best regards,
Tomasz
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