[PATCH 4/4] i2c: digicolor: Fix module autoload
Baruch Siach
baruch at tkos.co.il
Tue Oct 18 22:05:28 PDT 2016
Hi Javier Martinez Canillas,
On Tue, Oct 18, 2016 at 06:01:48PM -0300, Javier Martinez Canillas wrote:
> If the driver is built as a module, autoload won't work because the module
> alias information is not filled. So user-space can't match the registered
> device with the corresponding module.
>
> Export the module alias information using the MODULE_DEVICE_TABLE() macro.
>
> Before this patch:
>
> $ modinfo drivers/i2c/busses/i2c-digicolor.ko | grep alias
> $
>
> After this patch:
>
> $ modinfo drivers/i2c/busses/i2c-digicolor.ko | grep alias
> alias: of:N*T*Ccnxt,cx92755-i2cC*
> alias: of:N*T*Ccnxt,cx92755-i2c
>
> Signed-off-by: Javier Martinez Canillas <javier at osg.samsung.com>
Acked-by: Baruch Siach <baruch at tkos.co.il>
Thanks,
baruch
> drivers/i2c/busses/i2c-digicolor.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/i2c/busses/i2c-digicolor.c b/drivers/i2c/busses/i2c-digicolor.c
> index 9604024e0eb0..49f2084f7bb5 100644
> --- a/drivers/i2c/busses/i2c-digicolor.c
> +++ b/drivers/i2c/busses/i2c-digicolor.c
> @@ -368,6 +368,7 @@ static const struct of_device_id dc_i2c_match[] = {
> { .compatible = "cnxt,cx92755-i2c" },
> { },
> };
> +MODULE_DEVICE_TABLE(of, dc_i2c_match);
>
> static struct platform_driver dc_i2c_driver = {
> .probe = dc_i2c_probe,
--
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