linux-kernel - Re: [v2] bcma: Replace mdelay with usleep_range in bcma_pmu_resources

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Date:   Tue, 27 Feb 2018 13:52:44 +0000 (UTC)
From:   Kalle Valo <kvalo@...eaurora.org>
To:     Jia-Ju Bai <baijiaju1990@...il.com>
Cc:     Larry.Finger@...inger.net, zajec5@...il.com,
        linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jia-Ju Bai <baijiaju1990@...il.com>
Subject: Re: [v2] bcma: Replace mdelay with usleep_range in
 bcma_pmu_resources_init

Jia-Ju Bai <baijiaju1990@...il.com> wrote:

> After checking all possible call chains to bcma_pmu_resources_init() here,
> my tool finds that this function is never called in atomic context,
> namely never in an interrupt handler or holding a spinlock.
> Thus mdelay can be replaced with usleep_range to avoid busy wait.
> 
> This is found by a static analysis tool named DCNS written by myself.
> 
> Signed-off-by: Jia-Ju Bai <baijiaju1990@...il.com>
> Acked-by: Larry Finger <Larry.Finger@...inger.net>

Patch applied to wireless-drivers-next.git, thanks.

8100091d0248 bcma: Replace mdelay with usleep_range in bcma_pmu_resources_init

-- 
https://patchwork.kernel.org/patch/10186561/

https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches