From mboxrd@z Thu Jan  1 00:00:00 1970
From: pawel.moll@arm.com (Pawel Moll)
Date: Wed, 21 Aug 2013 11:48:36 +0100
Subject: [PATCH 2/3] ARM: vexpress_defconfig: Enable voltage regulator
 support
In-Reply-To: <1377032563-4502-3-git-send-email-fathi.boudra@linaro.org>
References: <1377032563-4502-1-git-send-email-fathi.boudra@linaro.org>
 <1377032563-4502-3-git-send-email-fathi.boudra@linaro.org>
Message-ID: <1377082116.10707.8.camel@hornet>
To: linux-arm-kernel@lists.infradead.org
List-Id: linux-arm-kernel.lists.infradead.org

On Tue, 2013-08-20 at 22:02 +0100, Fathi Boudra wrote:
> It is needed for the MMC controller and allows to use the SD card:
> 
> mmc0: host doesn't support card's voltages
> mmc0: error -22 whilst initialising SD card
> 
> Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>
> Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
> ---
>  arch/arm/configs/vexpress_defconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/configs/vexpress_defconfig b/arch/arm/configs/vexpress_defconfig
> index 3f970f1..c2f7ca1 100644
> --- a/arch/arm/configs/vexpress_defconfig
> +++ b/arch/arm/configs/vexpress_defconfig
> @@ -77,6 +77,8 @@ CONFIG_SERIAL_AMBA_PL011_CONSOLE=y
>  CONFIG_LEGACY_PTY_COUNT=16
>  # CONFIG_HW_RANDOM is not set
>  # CONFIG_HWMON is not set
> +CONFIG_REGULATOR=y
> +CONFIG_REGULATOR_VEXPRESS=y

The REGULATOR_VEXPRESS is not necessary to "fix" the MMC issue.
REGULATOR=y will make the REGULATOR_FIXED_VOLTAGE being selected, which
is enough.

Pawe?