From: Vinod Koul <vkoul@kernel.org>
To: Bard Liao <yung-chuan.liao@linux.intel.com>
Cc: alsa-devel@alsa-project.org, linux-kernel@vger.kernel.org,
pierre-louis.bossart@linux.intel.com, bard.liao@intel.com,
stable@vger.kernel.org
Subject: Re: [PATCH] soundwire: intel: Initialize clock stop timeout
Date: Fri, 28 Oct 2022 16:58:39 +0530 [thread overview]
Message-ID: <Y1u855YZ/B3Q+FiI@matsya> (raw)
In-Reply-To: <20221020015624.1703950-1-yung-chuan.liao@linux.intel.com>
On 20-10-22, 09:56, Bard Liao wrote:
> From: Sjoerd Simons <sjoerd@collabora.com>
>
> The bus->clk_stop_timeout member is only initialized to a non-zero value
> during the codec driver probe. This can lead to corner cases where this
> value remains pegged at zero when the bus suspends, which results in an
> endless loop in sdw_bus_wait_for_clk_prep_deprep().
>
> Corner cases include configurations with no codecs described in the
> firmware, or delays in probing codec drivers.
>
> Initializing the default timeout to the smallest non-zero value avoid this
> problem and allows for the existing logic to be preserved: the
> bus->clk_stop_timeout is set as the maximum required by all codecs
> connected on the bus.
Applied to fixes, thanks
--
~Vinod
next prev parent reply other threads:[~2022-10-28 11:28 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-10-20 1:56 [PATCH] soundwire: intel: Initialize clock stop timeout Bard Liao
2022-10-20 1:54 ` kernel test robot
2022-10-21 16:37 ` Pierre-Louis Bossart
2022-10-28 11:28 ` Vinod Koul [this message]
2022-11-09 16:05 ` Pierre-Louis Bossart
2022-11-11 4:11 ` Vinod Koul
2022-12-05 17:06 Pierre-Louis Bossart
2022-12-05 18:33 ` Greg KH
2022-12-05 19:33 ` Pierre-Louis Bossart
2022-12-08 20:32 ` Greg KH
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