linux-kernel - [PATCH] regulator: mc13xxx: Remove mc13xxx_sw_regulator_is

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Date:	Tue, 19 Jun 2012 14:19:57 +0800
From:	Axel Lin <axel.lin@...il.com>
To:	linux-kernel@...r.kernel.org
Cc:	Yong Shen <yong.shen@...aro.org>,
	Fabio Estevam <fabio.estevam@...escale.com>,
	Sascha Hauer <s.hauer@...gutronix.de>,
	Arnaud Patard <arnaud.patard@...-net.org>,
	Liam Girdwood <lrg@...com>,
	Mark Brown <broonie@...nsource.wolfsonmicro.com>
Subject: [PATCH] regulator: mc13xxx: Remove mc13xxx_sw_regulator_is_enabled
 function

If .is_enabled callback is not implemented, regulator core assumes that the
regulator is always on. Thus we don't need mc13xxx_sw_regulator_is_enabled
function.

Signed-off-by: Axel Lin <axel.lin@...il.com>
---
 drivers/regulator/mc13892-regulator.c      |    1 -
 drivers/regulator/mc13xxx-regulator-core.c |    6 ------
 drivers/regulator/mc13xxx.h                |    1 -
 3 files changed, 8 deletions(-)

diff --git a/drivers/regulator/mc13892-regulator.c b/drivers/regulator/mc13892-regulator.c
index 6329723..b388b74 100644
--- a/drivers/regulator/mc13892-regulator.c
+++ b/drivers/regulator/mc13892-regulator.c
@@ -469,7 +469,6 @@ err:
 }
 
 static struct regulator_ops mc13892_sw_regulator_ops = {
-	.is_enabled = mc13xxx_sw_regulator_is_enabled,
 	.list_voltage = regulator_list_voltage_table,
 	.set_voltage_sel = mc13892_sw_regulator_set_voltage_sel,
 	.get_voltage = mc13892_sw_regulator_get_voltage,
diff --git a/drivers/regulator/mc13xxx-regulator-core.c b/drivers/regulator/mc13xxx-regulator-core.c
index 8a6b050..d6eda28 100644
--- a/drivers/regulator/mc13xxx-regulator-core.c
+++ b/drivers/regulator/mc13xxx-regulator-core.c
@@ -170,12 +170,6 @@ struct regulator_ops mc13xxx_fixed_regulator_ops = {
 };
 EXPORT_SYMBOL_GPL(mc13xxx_fixed_regulator_ops);
 
-int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev)
-{
-	return 1;
-}
-EXPORT_SYMBOL_GPL(mc13xxx_sw_regulator_is_enabled);
-
 #ifdef CONFIG_OF
 int __devinit mc13xxx_get_num_regulators_dt(struct platform_device *pdev)
 {
diff --git a/drivers/regulator/mc13xxx.h b/drivers/regulator/mc13xxx.h
index 9a8f72c..8343a25 100644
--- a/drivers/regulator/mc13xxx.h
+++ b/drivers/regulator/mc13xxx.h
@@ -33,7 +33,6 @@ struct mc13xxx_regulator_priv {
 };
 
 extern int mc13xxx_sw_regulator(struct regulator_dev *rdev);
-extern int mc13xxx_sw_regulator_is_enabled(struct regulator_dev *rdev);
 extern int mc13xxx_fixed_regulator_set_voltage(struct regulator_dev *rdev,
 		int min_uV, int max_uV, unsigned *selector);
 extern int mc13xxx_fixed_regulator_get_voltage(struct regulator_dev *rdev);
-- 
1.7.9.5



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