From: Greg KH <gregkh@linuxfoundation.org>
To: Jean Delvare <jdelvare@suse.de>
Cc: stable@vger.kernel.org, volker.ruemelin@googlemail.com, wsa@kernel.org
Subject: Re: [PATCH] i2c: i801: Exclude device from suspend direct complete optimization
Date: Fri, 9 Oct 2020 16:08:21 +0200 [thread overview]
Message-ID: <20201009140821.GC573779@kroah.com> (raw)
In-Reply-To: <20201005173931.3c40f15d@endymion>
On Mon, Oct 05, 2020 at 05:39:31PM +0200, Jean Delvare wrote:
> commit 845b89127bc5458d0152a4d63f165c62a22fcb70 upstream.
>
> By default, PCI drivers with runtime PM enabled will skip the calls
> to suspend and resume on system PM. For this driver, we don't want
> that, as we need to perform additional steps for system PM to work
> properly on all systems. So instruct the PM core to not skip these
> calls.
>
> Fixes: a9c8088c7988 ("i2c: i801: Don't restore config registers on runtime PM")
> Reported-by: Volker Rümelin <volker.ruemelin@googlemail.com>
> Signed-off-by: Jean Delvare <jdelvare@suse.de>
> Cc: stable@vger.kernel.org
> Signed-off-by: Wolfram Sang <wsa@kernel.org>
> ---
> This is the backported version for kernel trees 5.4 and 4.19. The
> difference with the upstream commit is that DPM_FLAG_NEVER_SKIP is used
> instead of DPM_FLAG_NO_DIRECT_COMPLETE, which did not exist back then.
Thanks, now queue dup.
greg k-h
prev parent reply other threads:[~2020-10-09 14:07 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-05 15:39 [PATCH] i2c: i801: Exclude device from suspend direct complete optimization Jean Delvare
2020-10-09 14:08 ` Greg KH [this message]
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