* [PATCH] regulator: da903x: Use DIV_ROUND_UP macro to calculate selector
@ 2012-03-05 22:54 Axel Lin
2012-03-06 12:17 ` Mark Brown
0 siblings, 1 reply; 2+ messages in thread
From: Axel Lin @ 2012-03-05 22:54 UTC (permalink / raw)
To: linux-kernel; +Cc: Eric Miao, Mike Rapoport, Liam Girdwood, Mark Brown
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
drivers/regulator/da903x.c | 12 ++++++------
1 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/drivers/regulator/da903x.c b/drivers/regulator/da903x.c
index 8dbc54d..1851f09 100644
--- a/drivers/regulator/da903x.c
+++ b/drivers/regulator/da903x.c
@@ -119,7 +119,7 @@ static int da903x_set_ldo_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -202,7 +202,7 @@ static int da9030_set_ldo1_15_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -233,10 +233,10 @@ static int da9030_set_ldo14_voltage(struct regulator_dev *rdev,
thresh = (info->max_uV + info->min_uV) / 2;
if (min_uV < thresh) {
- val = (thresh - min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(thresh - min_uV, info->step_uV);
val |= 0x4;
} else {
- val = (min_uV - thresh + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - thresh, info->step_uV);
}
*selector = val;
@@ -281,7 +281,7 @@ static int da9034_set_dvc_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
*selector = val;
val <<= info->vol_shift;
mask = ((1 << info->vol_nbits) - 1) << info->vol_shift;
@@ -307,7 +307,7 @@ static int da9034_set_ldo12_voltage(struct regulator_dev *rdev,
return -EINVAL;
}
- val = (min_uV - info->min_uV + info->step_uV - 1) / info->step_uV;
+ val = DIV_ROUND_UP(min_uV - info->min_uV, info->step_uV);
val = (val >= 20) ? val - 12 : ((val > 7) ? 8 : val);
*selector = val;
val <<= info->vol_shift;
--
1.7.5.4
^ permalink raw reply related [flat|nested] 2+ messages in thread
* Re: [PATCH] regulator: da903x: Use DIV_ROUND_UP macro to calculate selector
2012-03-05 22:54 [PATCH] regulator: da903x: Use DIV_ROUND_UP macro to calculate selector Axel Lin
@ 2012-03-06 12:17 ` Mark Brown
0 siblings, 0 replies; 2+ messages in thread
From: Mark Brown @ 2012-03-06 12:17 UTC (permalink / raw)
To: Axel Lin; +Cc: linux-kernel, Eric Miao, Mike Rapoport, Liam Girdwood
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On Tue, Mar 06, 2012 at 06:54:40AM +0800, Axel Lin wrote:
> Signed-off-by: Axel Lin <axel.lin@gmail.com>
Applied, thanks.
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^ permalink raw reply [flat|nested] 2+ messages in thread
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