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,
tiwai@suse.de, broonie@kernel.org, gregkh@linuxfoundation.org,
jank@cadence.com, srinivas.kandagatla@linaro.org,
rander.wang@linux.intel.com, ranjani.sridharan@linux.intel.com,
hui.wang@canonical.com, pierre-louis.bossart@linux.intel.com,
sanyog.r.kale@intel.com, bard.liao@intel.com
Subject: Re: [RESEND PATCH v2 0/9] soundwire/regmap: use _no_pm routines
Date: Sat, 6 Feb 2021 15:56:44 +0530 [thread overview]
Message-ID: <20210206102644.GN2656@vkoul-mobl.Dlink> (raw)
In-Reply-To: <20210122070634.12825-1-yung-chuan.liao@linux.intel.com>
On 22-01-21, 15:06, Bard Liao wrote:
> When a Slave device is resumed, it may resume the bus and restart the
> enumeration. And Slave drivers will wait for initialization_complete
> complete in their resume function, however initialization_complete will
> complete after sdw_update_slave_status function is finished and codec
> driver usually call some IO functions in the update_status callback
> function.
> It will become a deadlock if we use regular read/write routines during
> the resuming process.
Applied all sdw patches, thanks
--
~Vinod
next prev parent reply other threads:[~2021-02-06 10:27 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-22 7:06 Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 1/9] soundwire: bus: use sdw_update_no_pm when initializing a device Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 2/9] soundwire: bus: use sdw_write_no_pm when setting the bus scale registers Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 3/9] soundwire: bus: use no_pm IO routines for all interrupt handling Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 4/9] soundwire: export sdw_write/read_no_pm functions Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 5/9] regmap: sdw: use _no_pm functions in regmap_read/write Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 6/9] regmap: sdw: use no_pm routines for SoundWire 1.2 MBQ Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 7/9] regmap: sdw-mbq: use MODULE_LICENSE("GPL") Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 8/9] soundwire: bus: fix confusion on device used by pm_runtime Bard Liao
2021-01-22 7:06 ` [RESEND PATCH v2 9/9] soundwire: bus: clarify dev_err/dbg device references Bard Liao
2021-02-06 10:26 ` Vinod Koul [this message]
2021-02-08 12:50 ` [RESEND PATCH v2 0/9] soundwire/regmap: use _no_pm routines Mark Brown
2021-02-08 15:04 ` Vinod Koul
2021-02-10 19:58 ` Mark Brown
2021-02-11 5:25 ` Vinod Koul
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