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authorAxel Lin <axel.lin@gmail.com>2012-04-09 23:35:10 +0800
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-04-10 11:04:26 +0100
commit268a164135b0635418ba703f77f4f654ea5abaec (patch)
treedc00030b6adda118b79b273736a3e2a09efe7cc5 /drivers/regulator/twl-regulator.c
parent5ade39358f0244a0672860766eed92e8c908b805 (diff)
downloadop-kernel-dev-268a164135b0635418ba703f77f4f654ea5abaec.zip
op-kernel-dev-268a164135b0635418ba703f77f4f654ea5abaec.tar.gz
regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places
Signed-off-by: Axel Lin <axel.lin@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers/regulator/twl-regulator.c')
-rw-r--r--drivers/regulator/twl-regulator.c30
1 files changed, 6 insertions, 24 deletions
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 88bc32b..7384d27 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -787,11 +787,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
vsel = 0;
else if ((min_uV >= 600000) && (min_uV <= 1300000)) {
int calc_uV;
- vsel = (min_uV - 600000) / 125;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
- vsel++;
+ vsel = DIV_ROUND_UP(min_uV - 600000, 12500);
calc_uV = twl6030smps_list_voltage(rdev, vsel);
if (calc_uV > max_uV)
return -EINVAL;
@@ -817,11 +813,7 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
vsel = 0;
else if ((min_uV >= 700000) && (min_uV <= 1420000)) {
int calc_uV;
- vsel = (min_uV - 700000) / 125;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
- vsel++;
+ vsel = DIV_ROUND_UP(min_uV - 700000, 12500);
calc_uV = twl6030smps_list_voltage(rdev, vsel);
if (calc_uV > max_uV)
return -EINVAL;
@@ -845,24 +837,14 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
case SMPS_EXTENDED_EN:
if (min_uV == 0)
vsel = 0;
- else if ((min_uV >= 1852000) && (max_uV <= 4013600)) {
- vsel = (min_uV - 1852000) / 386;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
- vsel++;
- }
+ else if ((min_uV >= 1852000) && (max_uV <= 4013600))
+ vsel = DIV_ROUND_UP(min_uV - 1852000, 38600);
break;
case SMPS_OFFSET_EN|SMPS_EXTENDED_EN:
if (min_uV == 0)
vsel = 0;
- else if ((min_uV >= 2161000) && (max_uV <= 4321000)) {
- vsel = (min_uV - 2161000) / 386;
- if (vsel % 100)
- vsel += 100;
- vsel /= 100;
- vsel++;
- }
+ else if ((min_uV >= 2161000) && (max_uV <= 4321000))
+ vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
break;
}
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