From: Axel Lin <axel.lin@gmail.com>
To: linux-kernel@vger.kernel.org
Cc: Peter Ujfalusi <peter.ujfalusi@ti.com>,
Rajendra Nayak <rnayak@ti.com>, Tero Kristo <t-kristo@ti.com>,
Liam Girdwood <lrg@ti.com>,
Mark Brown <broonie@opensource.wolfsonmicro.com>
Subject: [PATCH v2] regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places
Date: Mon, 09 Apr 2012 23:35:10 +0800 [thread overview]
Message-ID: <1333985710.16502.0.camel@phoenix> (raw)
Signed-off-by: Axel Lin <axel.lin@gmail.com>
---
v2: Remove braces {} for single statement blocks
drivers/regulator/twl-regulator.c | 30 ++++++------------------------
1 files changed, 6 insertions(+), 24 deletions(-)
diff --git a/drivers/regulator/twl-regulator.c b/drivers/regulator/twl-regulator.c
index 964946f..7186e67 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;
@@ -864,24 +856,14 @@ 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;
}
--
1.7.5.4
next reply other threads:[~2012-04-09 15:35 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-04-09 15:35 Axel Lin [this message]
2012-04-10 10:06 ` [PATCH v2] regulator: twl-regulator: Use DIV_ROUND_UP at appropriate places Mark Brown
2012-04-10 11:49 ` Axel Lin
2012-04-10 12:10 ` Mark Brown
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