linux-kernel - Re: [PATCH 2/2] mfd: hi655x-pmic: Fix module autoload when registered via OF

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Date:   Wed, 26 Oct 2016 13:40:37 +0100
From:   Lee Jones <lee.jones@...aro.org>
To:     Javier Martinez Canillas <javier@....samsung.com>
Cc:     linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] mfd: hi655x-pmic: Fix module autoload when
 registered via OF

On Fri, 14 Oct 2016, 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/mfd/hi655x-pmic.ko | grep alias
> 
> After this patch:
> 
> $ modinfo drivers/mfd/hi655x-pmic.ko | grep alias
> alias:          of:N*T*Chisilicon,hi655x-pmicC*
> alias:          of:N*T*Chisilicon,hi655x-pmic
> 
> Signed-off-by: Javier Martinez Canillas <javier@....samsung.com>
> ---
> 
>  drivers/mfd/hi655x-pmic.c | 1 +
>  1 file changed, 1 insertion(+)

Applied, thanks.

> diff --git a/drivers/mfd/hi655x-pmic.c b/drivers/mfd/hi655x-pmic.c
> index 0fc62995695b..ba706adee38b 100644
> --- a/drivers/mfd/hi655x-pmic.c
> +++ b/drivers/mfd/hi655x-pmic.c
> @@ -169,6 +169,7 @@ static const struct of_device_id hi655x_pmic_match[] = {
>  	{ .compatible = "hisilicon,hi655x-pmic", },
>  	{},
>  };
> +MODULE_DEVICE_TABLE(of, hi655x_pmic_match);
>  
>  static struct platform_driver hi655x_pmic_driver = {
>  	.driver	= {

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