From: Mark Brown <broonie@kernel.org> To: Chuhong Yuan <hslester96@gmail.com> Cc: Brian Austin <brian.austin@cirrus.com>, Paul Handrigan <Paul.Handrigan@cirrus.com>, Liam Girdwood <lgirdwood@gmail.com>, Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>, James Schulman <james.schulman@cirrus.com>, alsa-devel@alsa-project.org, LKML <linux-kernel@vger.kernel.org> Subject: Re: [PATCH] ASoC: cs42l42: add missed regulator_bulk_disable in remove and fix probe failure Date: Tue, 10 Dec 2019 12:17:09 +0000 [thread overview] Message-ID: <20191210121709.GC6110@sirena.org.uk> (raw) In-Reply-To: <CANhBUQ0-jEG2W=sby1SyPphxK3CSPinFF5zkLq9jsKCZM5hYjw@mail.gmail.com> [-- Attachment #1: Type: text/plain, Size: 924 bytes --] On Tue, Dec 10, 2019 at 09:32:12AM +0800, Chuhong Yuan wrote: > On Tue, Dec 10, 2019 at 1:00 AM Mark Brown <broonie@kernel.org> wrote: > > There's also the case where runtime PM is there and the device is active > > at suspend - it's not that there isn't a problem, it's that we can't > > unconditionally do a disable because we don't know if there was a > > matching enable. It'll need to be conditional on the runtime PM state. > How about adding a check like #ifndef CONFIG_PM? > I use this in an old version of the mentioned patch. That won't handle the runtime PM problem, the state will vary depending on what the system is doing at the time. > However, that is not accepted since it seems not symmetric with enable > in the probe. > But I don't find an explicit runtime PM call in the probe here so the > revision pattern of It's got runtime PM ops though so that's clearly a bug that needs to be fixed itself. [-- Attachment #2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --]
WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org> To: Chuhong Yuan <hslester96@gmail.com> Cc: Brian Austin <brian.austin@cirrus.com>, alsa-devel@alsa-project.org, Liam Girdwood <lgirdwood@gmail.com>, LKML <linux-kernel@vger.kernel.org>, Takashi Iwai <tiwai@suse.com>, Paul Handrigan <Paul.Handrigan@cirrus.com>, James Schulman <james.schulman@cirrus.com> Subject: Re: [alsa-devel] [PATCH] ASoC: cs42l42: add missed regulator_bulk_disable in remove and fix probe failure Date: Tue, 10 Dec 2019 12:17:09 +0000 [thread overview] Message-ID: <20191210121709.GC6110@sirena.org.uk> (raw) In-Reply-To: <CANhBUQ0-jEG2W=sby1SyPphxK3CSPinFF5zkLq9jsKCZM5hYjw@mail.gmail.com> [-- Attachment #1.1: Type: text/plain, Size: 924 bytes --] On Tue, Dec 10, 2019 at 09:32:12AM +0800, Chuhong Yuan wrote: > On Tue, Dec 10, 2019 at 1:00 AM Mark Brown <broonie@kernel.org> wrote: > > There's also the case where runtime PM is there and the device is active > > at suspend - it's not that there isn't a problem, it's that we can't > > unconditionally do a disable because we don't know if there was a > > matching enable. It'll need to be conditional on the runtime PM state. > How about adding a check like #ifndef CONFIG_PM? > I use this in an old version of the mentioned patch. That won't handle the runtime PM problem, the state will vary depending on what the system is doing at the time. > However, that is not accepted since it seems not symmetric with enable > in the probe. > But I don't find an explicit runtime PM call in the probe here so the > revision pattern of It's got runtime PM ops though so that's clearly a bug that needs to be fixed itself. [-- Attachment #1.2: signature.asc --] [-- Type: application/pgp-signature, Size: 488 bytes --] [-- Attachment #2: Type: text/plain, Size: 161 bytes --] _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-12-10 12:17 UTC|newest] Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-06 7:52 [PATCH] ASoC: cs42l42: add missed regulator_bulk_disable in remove and fix probe failure Chuhong Yuan 2019-12-06 7:52 ` [alsa-devel] " Chuhong Yuan 2019-12-09 16:24 ` Mark Brown 2019-12-09 16:24 ` [alsa-devel] " Mark Brown 2019-12-09 16:52 ` Chuhong Yuan 2019-12-09 16:52 ` [alsa-devel] " Chuhong Yuan 2019-12-09 17:00 ` Mark Brown 2019-12-09 17:00 ` [alsa-devel] " Mark Brown 2019-12-10 1:32 ` Chuhong Yuan 2019-12-10 1:32 ` [alsa-devel] " Chuhong Yuan 2019-12-10 12:17 ` Mark Brown [this message] 2019-12-10 12:17 ` Mark Brown
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