linux-kernel - Re: [PATCH] gpio-backlight: Discover driver during boot time

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Message-ID: <20150429123303.GK9169@x1>
Date:	Wed, 29 Apr 2015 13:33:03 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Arun Bharadwaj <arun@...stix.com>
Cc:	linux-fbdev@...r.kernel.org, linux-kernel@...r.kernel.org,
	Jingoo Han <jg1.han@...sung.com>,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>,
	Ash Charles <ashcharles@...il.com>
Subject: Re: [PATCH] gpio-backlight: Discover driver during boot time

> Jingoo?

Never mind.

Applied, thanks.

> > The gpio-backlight driver seems to be missing the
> > MODULE_DEVICE_TABLE line which is preventing it from
> > being modprobed during boot time even if the
> > gpio-backlight device exists.
> > 
> > This seems to be a bug and this patch attempts to
> > fix that.
> > 
> > Signed-off-by: Arun Bharadwaj <arun@...stix.com>
> > Signed-off-by: Ash Charles <ashcharles@...il.com>
> > ---
> >  drivers/video/backlight/gpio_backlight.c | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
> > index 439feb2..5fbbc2e 100644
> > --- a/drivers/video/backlight/gpio_backlight.c
> > +++ b/drivers/video/backlight/gpio_backlight.c
> > @@ -146,6 +146,8 @@ static struct of_device_id gpio_backlight_of_match[] = {
> >  	{ .compatible = "gpio-backlight" },
> >  	{ /* sentinel */ }
> >  };
> > +
> > +MODULE_DEVICE_TABLE(of, gpio_backlight_of_match);
> >  #endif
> >  
> >  static struct platform_driver gpio_backlight_driver = {
> 

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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