linux-kernel - Re: [PATCH] HID: picolcd_fb: Use flush_delayed_work instead of flush_delayed_work

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Date:	Wed, 12 Sep 2012 07:57:34 +0200
From:	Bruno Prémont <bonbons@...ux-vserver.org>
To:	Axel Lin <axel.lin@...il.com>
Cc:	Tejun Heo <tj@...nel.org>, Jiri Kosina <jkosina@...e.cz>,
	linux-input@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] HID: picolcd_fb: Use flush_delayed_work instead of
 flush_delayed_work_sync

Hi Axel,

On Wed, 12 Sep 2012 13:39:09 Axel Lin <axel.lin@...il.com> wrote:
> Seems this is a left over of commit 4382973
> "workqueue: deprecate flush[_delayed]_work_sync()"

It is, see https://lkml.org/lkml/2012/9/6/297 for a previous patch.
This should fix itself when Linus merges Tejun's workqueue changes and
picolcd changes.

Bruno


> This fixes below build warning:
> 
>   CC [M]  drivers/hid/hid-picolcd_fb.o
> drivers/hid/hid-picolcd_fb.c: In function 'picolcd_exit_framebuffer':
> drivers/hid/hid-picolcd_fb.c:611:2: warning: 'flush_delayed_work_sync' is deprecated (declared at include/linux/workqueue.h:454) [-Wdeprecated-declarations]
> 
> Signed-off-by: Axel Lin <axel.lin@...il.com>
> Cc: Tejun Heo <tj@...nel.org>
> ---
>  drivers/hid/hid-picolcd_fb.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c
> index 0008a51..eb00357 100644
> --- a/drivers/hid/hid-picolcd_fb.c
> +++ b/drivers/hid/hid-picolcd_fb.c
> @@ -608,7 +608,7 @@ void picolcd_exit_framebuffer(struct picolcd_data *data)
>  	/* make sure there is no running update - thus that fbdata->picolcd
>  	 * once obtained under lock is guaranteed not to get free() under
>  	 * the feet of the deferred work */
> -	flush_delayed_work_sync(&info->deferred_work);
> +	flush_delayed_work(&info->deferred_work);
>  
>  	data->fb_info = NULL;
>  	unregister_framebuffer(info);
--
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