linux-kernel - [PATCH V2 2/3] regulators: Add definition of regulator_set_voltage_time() for !CONFIG

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Message-Id: <bc48fa7971f874d77a304e86a72ff5cee6f29e7c.1401693980.git.viresh.kumar@linaro.org>
Date:	Mon,  2 Jun 2014 12:59:24 +0530
From:	Viresh Kumar <viresh.kumar@...aro.org>
To:	rjw@...ysocki.net
Cc:	linaro-kernel@...ts.linaro.org, linux-pm@...r.kernel.org,
	linux-kernel@...r.kernel.org, arvind.chauhan@....com,
	edubezval@...il.com, pavel@....cz, lgirdwood@...il.com,
	broonie@...nel.org, Viresh Kumar <viresh.kumar@...aro.org>
Subject: [PATCH V2 2/3] regulators: Add definition of regulator_set_voltage_time() for !CONFIG_REGULATOR

We already have dummy implementation for most of the regulators APIs for
!CONFIG_REGULATOR case and were missing it for regulator_set_voltage_time().

Found this issue while compiling cpufreq-cpu0 driver without regulators support
in kernel.

drivers/cpufreq/cpufreq-cpu0.c: In function ‘cpu0_cpufreq_probe’:
drivers/cpufreq/cpufreq-cpu0.c:186:3: error: implicit declaration of function ‘regulator_set_voltage_time’ [-Werror=implicit-function-declaration]

Fix this by adding dummy definition for regulator_set_voltage_time().

Signed-off-by: Viresh Kumar <viresh.kumar@...aro.org>
---
V1->V2: return -EINVAL instead of zero.

 include/linux/regulator/consumer.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/include/linux/regulator/consumer.h b/include/linux/regulator/consumer.h
index 28fa089..7563f8b 100644
--- a/include/linux/regulator/consumer.h
+++ b/include/linux/regulator/consumer.h
@@ -397,6 +397,12 @@ static inline int regulator_set_voltage(struct regulator *regulator,
 	return -EINVAL;
 }
 
+static inline int regulator_set_voltage_time(struct regulator *regulator,
+					     int old_uV, int new_uV)
+{
+	return -EINVAL;
+}
+
 static inline int regulator_get_voltage(struct regulator *regulator)
 {
 	return -EINVAL;
-- 
2.0.0.rc2

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