[PATCH] regulator: Ensure enough enable time for max8649

From: Axel Lin
Date: Tue Aug 02 2011 - 00:55:23 EST


Integer division may truncate the result, thus max8649_enable_time() may return
slightly shorter enable time. This patch fixes it.

Signed-off-by: Axel Lin <axel.lin@xxxxxxxxx>
---
drivers/regulator/max8649.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/regulator/max8649.c b/drivers/regulator/max8649.c
index 30eb9e5..1062cf9 100644
--- a/drivers/regulator/max8649.c
+++ b/drivers/regulator/max8649.c
@@ -221,7 +221,7 @@ static int max8649_enable_time(struct regulator_dev *rdev)
ret = (ret & MAX8649_RAMP_MASK) >> 5;
rate = (32 * 1000) >> ret; /* uV/uS */

- return (voltage / rate);
+ return DIV_ROUND_UP(voltage, rate);
}

static int max8649_set_mode(struct regulator_dev *rdev, unsigned int mode)
--
1.7.4.1



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