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regulator: hi6421: mark hi6421_regulator_ldo_get_optimum_mode() static

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We get 1 warning when building kernel with W=1:
drivers/regulator/hi6421-regulator.c:480:14: warning: no previous prototype for
'hi6421_regulator_ldo_get_optimum_mode' [-Wmissing-prototypes]

In fact, this function is only used in the file in which it is
declared and don't need a declaration, but can be made static.
So this patch marks it 'static'.

Signed-off-by: Baoyou Xie <baoyou.xie@linaro.org>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Baoyou Xie 2016-08-31 17:30:31 +08:00 committed by Mark Brown
parent 29b4817d40
commit ea2f7321a9
1 changed files with 2 additions and 1 deletions
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3
drivers/regulator/hi6421-regulator.c
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@ -477,7 +477,8 @@ static int hi6421_regulator_buck_set_mode(struct regulator_dev *rdev,
return 0;
}
unsigned int hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev,
static unsigned int
hi6421_regulator_ldo_get_optimum_mode(struct regulator_dev *rdev,
int input_uV, int output_uV, int load_uA)
{
struct hi6421_regulator_info *info = rdev_get_drvdata(rdev);