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[PATCH] regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places

 

 

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axel.lin at gmail

Apr 9, 2012, 8:26 AM

Post #1 of 1 (49 views)
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[PATCH] regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places

Signed-off-by: Axel Lin <axel.lin [at] gmail>
---
drivers/regulator/twl-regulator.c | 24 ++++--------------------
1 files changed, 4 insertions(+), 20 deletions(-)

diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 964946f..bc5e21c 100644
--- a/drivers/regulator/twl-regulator.c
+++ b/drivers/regulator/twl-regulator.c
@@ -806,11 +806,7 @@ 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;
@@ -836,11 +832,7 @@ 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;
@@ -865,22 +857,14 @@ twl6030smps_set_voltage(struct regulator_dev *rdev, int min_uV, int max_uV,
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++;
+ 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++;
+ vsel = DIV_ROUND_UP(min_uV - 2161000, 38600);
}
break;
}
--
1.7.5.4



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