From: Arnd Bergmann Date: Wed, 4 Jun 2014 14:46:00 +0000 (+0200) Subject: regulator: add regulator_can_change_voltage stub X-Git-Tag: v3.16-rc2~25^2~1^2 X-Git-Url: https://openfabrics.org/gitweb/?a=commitdiff_plain;h=b14903e10a06347234b387f7364f86aa07252d9f;p=~emulex%2Finfiniband.git regulator: add regulator_can_change_voltage stub When CONFIG_REGULATOR is not set, we cannot call regulator_can_change_voltage() from a device driver, which results in a build error like video/fbdev/omap2/dss/hdmi5.c: In function 'hdmi_init_regulator': video/fbdev/omap2/dss/hdmi5.c:149:2: error: implicit declaration of function 'regulator_can_change_voltage' [-Werror=implicit-function-declaration] even for drivers that don't require the regulator API normally. Such a use was recently added in the omap2+ hdmi driver. This avoids the problem by adding a static inline function stub in the API header, as we have for most of the other regulator functions as well. Signed-off-by: Arnd Bergmann Cc: Mark Brown Cc: Tomi Valkeinen Signed-off-by: Mark Brown --- diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h index e530681bea7..d60b92a7fc2 100644 --- a/include/linux/regulator/consumer.h +++ b/include/linux/regulator/consumer.h @@ -391,6 +391,11 @@ static inline void regulator_bulk_free(int num_consumers, { } +static inline int regulator_can_change_voltage(struct regulator *regulator) +{ + return 0; +} + static inline int regulator_set_voltage(struct regulator *regulator, int min_uV, int max_uV) {