linux-kernel - Re: [PATCH] [media] s5p-mfc: Remove deprecated create_singlethread

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Date:	Mon, 18 Jul 2016 19:50:00 -0400
From:	Tejun Heo <tj@...nel.org>
To:	Bhaktipriya Shridhar <bhaktipriya96@...il.com>
Cc:	Kyungmin Park <kyungmin.park@...sung.com>,
	Kamil Debski <k.debski@...sung.com>,
	Jeongtae Park <jtp.park@...sung.com>,
	Mauro Carvalho Chehab <mchehab@....samsung.com>,
	linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] [media] s5p-mfc: Remove deprecated
 create_singlethread_workqueue

On Sat, Jul 16, 2016 at 02:00:25PM +0530, Bhaktipriya Shridhar wrote:
> alloc_workqueue replaces deprecated create_singlethread_workqueue().
> 
> The MFC device driver is a v4l2 driver which can encode/decode video
> raw/elementary streams and has support for all popular video codecs.
> 
> The driver's watchdog_workqueue has been replaced with system_wq since
> it queues a single work item, &dev->watchdog_work, which calls for no
> ordering requirement. The work item is involved in running the watchdog
> timer and is not being used on a memory reclaim path.
> 
> Work item has been flushed in s5p_mfc_remove() to ensure
> that there are no pending tasks while disconnecting the driver.
> 
> Signed-off-by: Bhaktipriya Shridhar <bhaktipriya96@...il.com>

Acked-by: Tejun Heo <tj@...nel.org>

Thanks.

-- 
tejun