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regulator: pfuze100: add condition check for 'ramp_delay = 0' 

Checking for 'ramp_delay = 0' to avoid Coverity warning report.

Signed-off-by: Robin Gong <yibin.gong@nxp.com>
Link: https://lore.kernel.org/r/1592920870-12693-1-git-send-email-yibin.gong@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Robin Gong 2020-06-23 22:01:10 +08:00 committed by Mark Brown
parent 9ed84d24de
commit a7503a9d8f
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
1 changed files with 6 additions and 3 deletions
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9
drivers/regulator/pfuze100-regulator.c
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@ -128,7 +128,7 @@ static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
struct pfuze_chip *pfuze100 = rdev_get_drvdata(rdev);
int id = rdev_get_id(rdev);
bool reg_has_ramp_delay;
unsigned int ramp_bits;
unsigned int ramp_bits = 0;
int ret;
switch (pfuze100->chip_id) {
@ -149,8 +149,11 @@ static int pfuze100_set_ramp_delay(struct regulator_dev *rdev, int ramp_delay)
}
if (reg_has_ramp_delay) {
ramp_delay = 12500 / ramp_delay;
ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3);
if (ramp_delay > 0) {
ramp_delay = 12500 / ramp_delay;
ramp_bits = (ramp_delay >> 1) - (ramp_delay >> 3);
}
ret = regmap_update_bits(pfuze100->regmap,
rdev->desc->vsel_reg + 4,
0xc0, ramp_bits << 6);