Re: [PATCH] input: serio: drop warnings in case of EPROBE_DEFER from serio_find_driver()

From: Rafael J. Wysocki
Date: Fri Jan 15 2016 - 15:52:42 EST


On Friday, January 15, 2016 08:01:15 PM Grygorii Strashko wrote:
> Now serio_find_driver() will print warnings in case device_attach()
> returns -EPROBE_DEFER. Those warnings are obsolete, in genral, because:
> - DD core can report the same if required
> - since commit 013c074f8642 ("PM / sleep: prohibit devices probing
> during suspend/hibernation") the devices probing is prohibited during
> System suspend and deferred device will be carefully reprobed once
> Resume is finished.
>
> Hence, drop warnings in case of EPROBE_DEFER from serio_find_driver().
>
> Cc: Dmitry Torokhov <dmitry.torokhov@xxxxxxxxx>
> Cc: Rafael J. Wysocki <rjw@xxxxxxxxxxxxx>
> Signed-off-by: Grygorii Strashko <grygorii.strashko@xxxxxx>

Acked-by: Rafael J. Wysocki <rafael.j.wysocki@xxxxxxxxx>

> ---
> drivers/input/serio/serio.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/input/serio/serio.c b/drivers/input/serio/serio.c
> index 8f82897..1ca7f55 100644
> --- a/drivers/input/serio/serio.c
> +++ b/drivers/input/serio/serio.c
> @@ -134,7 +134,7 @@ static void serio_find_driver(struct serio *serio)
> int error;
>
> error = device_attach(&serio->dev);
> - if (error < 0)
> + if (error < 0 && error != -EPROBE_DEFER)
> dev_warn(&serio->dev,
> "device_attach() failed for %s (%s), error: %d\n",
> serio->phys, serio->name, error);
>

--
I speak only for myself.
Rafael J. Wysocki, Intel Open Source Technology Center.