linux-kernel - Re: [PATCH] drivers: clocksource: Kconfig: Let EM_TIMER_STI depend on HAS

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Date:	Mon, 21 Jul 2014 16:45:34 +0200
From:	Daniel Lezcano <daniel.lezcano@...aro.org>
To:	Chen Gang <gang.chen.5i5j@...il.com>, tglx@...utronix.de
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Liqin Chen <liqin.linux@...il.com>,
	Lennox Wu <lennox.wu@...il.com>
Subject: Re: [PATCH] drivers: clocksource: Kconfig: Let EM_TIMER_STI depend
 on HAS_IOMEM

On 07/08/2014 02:39 PM, Chen Gang wrote:
> In 'em_sti.c', it will call devm_ioremap_resource() which need
> HAS_IOMEM. So need let EM_TIMER_STI depend on HAS_IOMEM, too.
>
> The related error (with allmodconfig under score):
>
>    LD      init/built-in.o
> em_sti.c:(.text.em_sti_probe+0x84): undefined reference to `devm_ioremap_resource'
> make: *** [vmlinux] Error 1
>
>
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---
>   drivers/clocksource/Kconfig | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> index 8ad1eac..ce372d6 100644
> --- a/drivers/clocksource/Kconfig
> +++ b/drivers/clocksource/Kconfig
> @@ -190,7 +190,7 @@ config SH_TIMER_TMU
>
>   config EM_TIMER_STI
>   	bool "Renesas STI timer driver" if COMPILE_TEST
> -	depends on GENERIC_CLOCKEVENTS
> +	depends on GENERIC_CLOCKEVENTS && HAS_IOMEM
>   	default SYS_SUPPORTS_EM_STI
>   	help
>   	  This enables build of a clocksource and clockevent driver for


Applied to my tree for 3.17

Thanks

   -- Daniel


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