From: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
To: Vinod Koul <vkoul@kernel.org>
Cc: sanyog.r.kale@intel.com,
Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>,
alsa-devel@alsa-project.org,
Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Subject: Re: [PATCH 3/4] soundwire: bus: check if pm runtime is enabled before calling
Date: Fri, 29 Mar 2019 10:02:47 +0000 [thread overview]
Message-ID: <80c6fb6d-a3b8-3272-e880-94d971623a06@linaro.org> (raw)
In-Reply-To: <20190329055828.GK5348@vkoul-mobl>
On 29/03/2019 05:58, Vinod Koul wrote:
>> There are lots of users in kernel with such sequences, ex:
>>
>> https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/tree/drivers/iommu/arm-smmu.c?h=v5.1-rc2#n279
> Sorry not a fan of this:) I think PM core should do this :D
>
Yes, I would prefer that too, There might be a reason why its not done
in the pm core, I will catchup with Ulf next week and see if we can add
checks to return -ENOSUPPORT or something more sensible error code to
users.
Thanks,
srini
> I guess you are trying to solve the case where PM can be disabled for a
> device and pm_runtime_get_sync() returns error right?
>
> That would be quite a common sequence in most frameworks..
>
> Thanks
>
>
next prev parent reply other threads:[~2019-03-29 10:02 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-03-28 13:41 [PATCH 0/4] soundwire: few trival fixes and cleanups Srinivas Kandagatla
2019-03-28 13:41 ` [PATCH 1/4] soundwire: add module_sdw_driver helper macro Srinivas Kandagatla
2019-03-29 5:38 ` Vinod Koul
2019-03-28 13:41 ` [PATCH 2/4] soundwire: cdns: fix check for number of messages Srinivas Kandagatla
2019-03-28 14:03 ` Pierre-Louis Bossart
2019-03-28 14:58 ` Srinivas Kandagatla
2019-03-29 3:51 ` Sanyog Kale
2019-03-29 5:54 ` Vinod Koul
2019-03-29 10:06 ` Srinivas Kandagatla
2019-03-28 13:41 ` [PATCH 3/4] soundwire: bus: check if pm runtime is enabled before calling Srinivas Kandagatla
2019-03-28 13:55 ` Pierre-Louis Bossart
2019-03-28 14:37 ` Srinivas Kandagatla
2019-03-29 5:58 ` Vinod Koul
2019-03-29 10:02 ` Srinivas Kandagatla [this message]
2019-04-05 15:26 ` Ranjani Sridharan
2019-03-28 13:41 ` [PATCH 4/4] soundwire: remove unused struct sdw_bus_conf definition Srinivas Kandagatla
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