linux-kernel - Re: [PATCH v1 2/5] driver-core: enable drivers to opt-out of async probe

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Message-ID: <20140928143324.GA5023@mtj.dyndns.org>
Date:	Sun, 28 Sep 2014 10:33:24 -0400
From:	Tejun Heo <tj@...nel.org>
To:	"Luis R. Rodriguez" <mcgrof@...not-panic.com>
Cc:	gregkh@...uxfoundation.org, dmitry.torokhov@...il.com,
	tiwai@...e.de, arjan@...ux.intel.com, teg@...m.no,
	rmilasan@...e.com, werner@...e.com, oleg@...hat.com, hare@...e.com,
	bpoirier@...e.de, santosh@...lsio.com, pmladek@...e.cz,
	dbueso@...e.com, mcgrof@...e.com, linux-kernel@...r.kernel.org,
	Doug Thompson <dougthompson@...ssion.com>,
	Borislav Petkov <bp@...en8.de>,
	Mauro Carvalho Chehab <m.chehab@...sung.com>,
	linux-edac@...r.kernel.org
Subject: Re: [PATCH v1 2/5] driver-core: enable drivers to opt-out of async
 probe

On Fri, Sep 26, 2014 at 02:57:14PM -0700, Luis R. Rodriguez wrote:
> From: "Luis R. Rodriguez" <mcgrof@...e.com>
> 
> We'll soon add generic support for asynchronous probe, before
> that gets merged lets let drivers annotate if they should never
> probe asynchronously.
> 
> Cc: Tejun Heo <tj@...nel.org>
> Cc: Arjan van de Ven <arjan@...ux.intel.com>
> Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
> Cc: Doug Thompson <dougthompson@...ssion.com>
> Cc: Borislav Petkov <bp@...en8.de>
> Cc: Mauro Carvalho Chehab <m.chehab@...sung.com>
> Cc: linux-edac@...r.kernel.org
> Cc: linux-kernel@...r.kernel.org
> Signed-off-by: Luis R. Rodriguez <mcgrof@...e.com>
> ---
>  include/linux/device.h | 5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/include/linux/device.h b/include/linux/device.h
> index 43d183a..4de6328 100644
> --- a/include/linux/device.h
> +++ b/include/linux/device.h
> @@ -200,6 +200,10 @@ extern struct klist *bus_get_device_klist(struct bus_type *bus);
>   * @owner:	The module owner.
>   * @mod_name:	Used for built-in modules.
>   * @suppress_bind_attrs: Disables bind/unbind via sysfs.
> + * @sync_probe: requests probe to be run always be run synchronously even

"be run" repeated in the sentence.

> + * 	if userspace asked us to run asynchronously. Some devices drivers
> + * 	may be known to not work well with async probe, use this to annotate
> + * 	your driver if you know it needs synchronous probe.

Maybe something like "Use this to annotate drivers which don't work
well with async probe." is better?

The formatting seems inconsistent with other comments.

Thanks.

-- 
tejun
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