linux-kernel - Re: [RESEND PATCH 2/7] backlight: tosa: Export I2C module alias information

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Date:	Tue, 25 Aug 2015 08:32:49 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Javier Martinez Canillas <javier@....samsung.com>
Cc:	linux-kernel@...r.kernel.org, linux-fbdev@...r.kernel.org,
	Jean-Christophe Plagniol-Villard <plagnioj@...osoft.com>,
	Jingoo Han <jingoohan1@...il.com>,
	Tomi Valkeinen <tomi.valkeinen@...com>
Subject: Re: [RESEND PATCH 2/7] backlight: tosa: Export I2C module alias
 information

On Tue, 25 Aug 2015, Javier Martinez Canillas wrote:

> The I2C core always reports the MODALIAS uevent as "i2c:<modalias>"
> regardless of the mechanism that was used to register the device
> (i.e: OF or board code) and the table that is used later to match
> the driver with the device (i.e: I2C id table or OF match table).
> 
> So drivers needs to export the I2C id table and this be built into
> the module or udev won't have the necessary information to autoload
> the needed driver module when the device is added.
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> 
> ---
> 
>  drivers/video/backlight/tosa_bl.c | 1 +
>  1 file changed, 1 insertion(+)

Applied, thanks.

> diff --git a/drivers/video/backlight/tosa_bl.c b/drivers/video/backlight/tosa_bl.c
> index 3ad676558c80..83742d806391 100644
> --- a/drivers/video/backlight/tosa_bl.c
> +++ b/drivers/video/backlight/tosa_bl.c
> @@ -158,6 +158,7 @@ static const struct i2c_device_id tosa_bl_id[] = {
>  	{ "tosa-bl", 0 },
>  	{ },
>  };
> +MODULE_DEVICE_TABLE(i2c, tosa_bl_id);
>  
>  static struct i2c_driver tosa_bl_driver = {
>  	.driver = {

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