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regulator: Fix the s5m8767a problem of the division by null

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If ramp_delay is 0, delay value can be divided by zero.
This patch can fix the problem.

Signed-off-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Sangbeom Kim 2012-06-13 17:27:16 +09:00 committed by Mark Brown
parent 0bdc81e4e9
commit 9d88fc0b35
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/s5m8767.c
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@ -451,7 +451,7 @@ static int s5m8767_set_voltage_time_sel(struct regulator_dev *rdev,
desc = reg_voltage_map[reg_id];
if (old_sel < new_sel)
if ((old_sel < new_sel) && s5m8767->ramp_delay)
return DIV_ROUND_UP(desc->step * (new_sel - old_sel),
s5m8767->ramp_delay * 1000);
return 0;