linux-kernel - Re: [PATCH 1/4] PM / core: Introduce dpm_async

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Message-ID: <1823590.m8T6rWHPoh@aspire.rjw.lan>
Date:   Wed, 10 Apr 2019 10:15:17 +0200
From:   "Rafael J. Wysocki" <rjw@...ysocki.net>
To:     Yangtao Li <tiny.windzz@...il.com>
Cc:     len.brown@...el.com, pavel@....cz, gregkh@...uxfoundation.org,
        linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/4] PM / core: Introduce dpm_async_fn() helper

On Saturday, March 16, 2019 5:59:25 AM CEST Yangtao Li wrote:
> When we want to execute device pm functions asynchronously, we'll
> do the following for the device:
> 
>   1) reinit_completion(&dev->power.completion);
>   2) Check if the device enables asynchronous suspend.
>   3) If necessary, execute the corresponding function asynchronously.
> 
> There are a lot of such repeated operations here, in fact we can avoid
> this. So introduce dpm_async_fn() to have better code readability and
> reuse.
> 
> And use this function to do some cleanup.
> 
> Signed-off-by: Yangtao Li <tiny.windzz@...il.com>

I'm queuing up this one, but the [2-4/4] are not convincing.

Thanks!