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Date:	Thu, 6 Feb 2014 09:32:59 +0100
From:	Linus Walleij <linus.walleij@...aro.org>
To:	Jingoo Han <jg1.han@...sung.com>
Cc:	Thierry Reding <thierry.reding@...il.com>,
	Russell King - ARM Linux <linux@....linux.org.uk>,
	Eric Miao <eric.y.miao@...il.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-pwm@...r.kernel.org" <linux-pwm@...r.kernel.org>,
	Arnd Bergmann <arnd@...db.de>
Subject: Re: [PATCH] backlight: add PWM dependencies

On Thu, Feb 6, 2014 at 8:23 AM, Jingoo Han <jg1.han@...sung.com> wrote:

> In the case of "CONFIG_HAVE_PWM=y && CONFIG_PWM=n", it makes
> the problem.
>
> The HAVE_PWM symbol is only for legacy platforms that provide
> the PWM API without using the generic framework. PXA looks to
> use the generic PWM framework. Then, how about removing
> "select HAVE_PWM" from PXA as below?
>
> --- a/arch/arm/mach-pxa/Kconfig
> +++ b/arch/arm/mach-pxa/Kconfig
> @@ -7,7 +7,6 @@ comment "Intel/Marvell Dev Platforms (sorted by hardware release time)"
>  config MACH_PXA3XX_DT
>         bool "Support PXA3xx platforms from device tree"
>         select CPU_PXA300
> -       select HAVE_PWM
>         select POWER_SUPPLY
>         select PXA3xx
>         select USE_OF
> @@ -23,12 +22,10 @@ config ARCH_LUBBOCK
>
>  config MACH_MAINSTONE
>         bool "Intel HCDDBBVA0 Development Platform (aka Mainstone)"
> -       select HAVE_PWM
>         select PXA27x
>
>  config MACH_ZYLONITE
>         bool
> -       select HAVE_PWM
>         select PXA3xx

Looks like the right solution to me.

Acked-by: Linus Walleij <linus.walleij@...aro.org>

Yours,
Linus Walleij
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