| From | Greg Kroah-Hartman <> | Subject | [ 183/221] regulator: max8998: Ensure enough delay time for max8998_set_voltage_buck_time_sel | Date | Tue, 15 Jan 2013 10:51:50 -0800 |
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3.7-stable review patch. If anyone has any objections, please let me know.
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From: Axel Lin <axel.lin@ingics.com>
commit 81d0a6ae7befb24c06f4aa4856af7f8d1f612171 upstream.
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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
--- drivers/regulator/max8998.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/regulator/max8998.c +++ b/drivers/regulator/max8998.c @@ -447,7 +447,7 @@ static int max8998_set_voltage_buck_time 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; }
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