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regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel

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Use DIV_ROUND_UP to prevent truncation by integer division issue.
This ensures we return enough delay time.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: stable@vger.kernel.org
This commit is contained in:
Axel Lin 2013-01-09 19:34:57 +08:00 committed by Mark Brown
parent adf6178ad5
commit 81d0a6ae7b
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/max8998.c
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@ -447,7 +447,7 @@ static int max8998_set_voltage_buck_time_sel(struct regulator_dev *rdev,
difference = (new_selector - old_selector) * desc->step / 1000;
if (difference > 0)
return difference / ((val & 0x0f) + 1);
return DIV_ROUND_UP(difference, (val & 0x0f) + 1);
return 0;
}