MACH_MX31ADS_WM1133_EV1 already depends on REGULATOR_WM8350,
but that still allows REGULATOR_WM8350 to be a loadable
module. Depending on REGULATOR_WM8350 to be built-in
ensures we cannot create a broken configuration.

Without this patch, building allmodconfig results in:

arch/arm/mach-imx/built-in.o: In function `mx31_wm8350_init':
arch/arm/mach-imx/mach-mx31ads.c:461: undefined reference to 
`wm8350_register_regulator'
arch/arm/mach-imx/mach-mx31ads.c:471: undefined reference to 
`wm8350_dcdc_set_slot'
arch/arm/mach-imx/mach-mx31ads.c:473: undefined reference to 
`wm8350_isink_set_flash'
arch/arm/mach-imx/mach-mx31ads.c:480: undefined reference to 
`wm8350_dcdc25_set_mode'
arch/arm/mach-imx/mach-mx31ads.c:485: undefined reference to 
`wm8350_register_led'

Signed-off-by: Arnd Bergmann <a...@arndb.de>
Cc: Shawn Guo <shawn....@linaro.org>
Cc: Sascha Hauer <s.ha...@pengutronix.de>
Cc: Axel Lin <axel....@gmail.com>
Cc: Mark Brown <broo...@opensource.wolfsonmicro.com>
---
 arch/arm/mach-imx/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/arm/mach-imx/Kconfig b/arch/arm/mach-imx/Kconfig
index 7b11d33..4c9c6f9 100644
--- a/arch/arm/mach-imx/Kconfig
+++ b/arch/arm/mach-imx/Kconfig
@@ -480,7 +480,7 @@ config MACH_MX31ADS_WM1133_EV1
        bool "Support Wolfson Microelectronics 1133-EV1 module"
        depends on MACH_MX31ADS
        depends on MFD_WM8350_I2C
-       depends on REGULATOR_WM8350
+       depends on REGULATOR_WM8350 = y
        select MFD_WM8350_CONFIG_MODE_0
        select MFD_WM8352_CONFIG_MODE_0
        help
-- 
1.8.1.2

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