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| author |   Axel Lin <axel.lin@ingics.com> | 2013-01-09 19:34:57 +0800 |
|---|---|---|
| committer |   Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-01-10 12:55:49 +0000 |
| commit | 81d0a6ae7befb24c06f4aa4856af7f8d1f612171 (patch) | |
| tree | 324aadeae9a1b561e83a7d930ef5f617a52270b5 /drivers/regulator/max8998.c | |
| parent | regulator: max8998: Use uV in voltage_map_desc (diff) | |
| download | linux-dev-81d0a6ae7befb24c06f4aa4856af7f8d1f612171.tar.xz linux-dev-81d0a6ae7befb24c06f4aa4856af7f8d1f612171.zip | |
regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel
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
Diffstat (limited to 'drivers/regulator/max8998.c')
| -rw-r--r-- | drivers/regulator/max8998.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/regulator/max8998.c b/drivers/regulator/max8998.c index 06be8cc7aadf..1f0df4046b86 100644 --- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -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; } |