linux-kernel - Re: [PATCH] drivers/pwm/Kconfig: Let PWM_CLPS711X depend on HAS

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Message-ID: <20141006100842.GC25202@ulmo>
Date:	Mon, 6 Oct 2014 12:08:42 +0200
From:	Thierry Reding <thierry.reding@...il.com>
To:	Chen Gang <gang.chen.5i5j@...il.com>
Cc:	linux-pwm@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] drivers/pwm/Kconfig: Let PWM_CLPS711X depend on HAS_IOMEM

On Sat, Oct 04, 2014 at 05:48:42PM +0800, Chen Gang wrote:
> PWM_CLPS711X needs HAS_IOMEM, so depend on it, the related error (with
> allmodconfig under um):
> 
>     MODPOST 1205 modules
>   ERROR: "devm_ioremap_resource" [drivers/pwm/pwm-clps711x.ko] undefined!
>   ERROR: "devm_ioremap" [drivers/net/phy/mdio-bcm-unimac.ko] undefined!
> 
> Signed-off-by: Chen Gang <gang.chen.5i5j@...il.com>
> ---
>  drivers/pwm/Kconfig | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> index 3865dfb..de1ffb5 100644
> --- a/drivers/pwm/Kconfig
> +++ b/drivers/pwm/Kconfig
> @@ -82,7 +82,7 @@ config PWM_BFIN
>  
>  config PWM_CLPS711X
>  	tristate "CLPS711X PWM support"
> -	depends on ARCH_CLPS711X || COMPILE_TEST
> +	depends on (ARCH_CLPS711X || COMPILE_TEST) && HAS_IOMEM

Applied, thanks. I modified this slightly and put HAS_IOMEM on a line of
its own. This is in my opinion (slightly) more readable and matches what
we already have for other drivers.

Thierry

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