linux-kernel - Re: [RESEND PATCH v2 0/9] soundwire/regmap: use _no

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Message-ID: <20210206102644.GN2656@vkoul-mobl.Dlink>
Date:   Sat, 6 Feb 2021 15:56:44 +0530
From:   Vinod Koul <vkoul@...nel.org>
To:     Bard Liao <yung-chuan.liao@...ux.intel.com>
Cc:     alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        tiwai@...e.de, broonie@...nel.org, gregkh@...uxfoundation.org,
        jank@...ence.com, srinivas.kandagatla@...aro.org,
        rander.wang@...ux.intel.com, ranjani.sridharan@...ux.intel.com,
        hui.wang@...onical.com, pierre-louis.bossart@...ux.intel.com,
        sanyog.r.kale@...el.com, bard.liao@...el.com
Subject: Re: [RESEND PATCH v2 0/9] soundwire/regmap: use _no_pm routines

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