[rtc-linux] Re: [PATCH] rtc: mt6397: add IRQ domain dependency

[Eddie Huang <eddie.huang@mediatek.com>]

On Mon, 2016-01-25 at 17:04 +0100, Arnd Bergmann wrote:
> The mt6397 RTC driver can be built either when the MFD_MT6397 driver
> is enabled (which selects IRQ_DOMAIN), or when compile testing.
> The latter however fails without IRQ domains:
> 
> drivers/rtc/rtc-mt6397.c: In function 'mtk_rtc_probe':
> drivers/rtc/rtc-mt6397.c:326:13: error: implicit declaration of function 'irq_create_mapping' [-Werror=implicit-function-declaration]
>   rtc->irq = irq_create_mapping(mt6397_chip->irq_domain, res->start);
> 
> This adds an explicit dependency for the COMPILE_TEST case.
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/rtc/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/rtc/Kconfig b/drivers/rtc/Kconfig
> index 376322f71fd5..4395608bf7fc 100644
> --- a/drivers/rtc/Kconfig
> +++ b/drivers/rtc/Kconfig
> @@ -1603,7 +1603,7 @@ config RTC_DRV_MOXART
>  
>  config RTC_DRV_MT6397
>  	tristate "Mediatek Real Time Clock driver"
> -	depends on MFD_MT6397 || COMPILE_TEST
> +	depends on MFD_MT6397 || (COMPILE_TEST && IRQ_DOMAIN)
>  	help
>  	  This selects the Mediatek(R) RTC driver. RTC is part of Mediatek
>  	  MT6397 PMIC. You should enable MT6397 PMIC MFD before select

Hi Arnd,

Thanks your correction.
Acked-by: Eddie Huang <eddie.huang@mediatek.com>

Regards,
Eddie


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