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Message-ID: <1356745130.8271.1.camel@phoenix>
Date: Sat, 29 Dec 2012 09:38:50 +0800
From: Axel Lin <axel.lin@...ics.com>
To: Mark Brown <broonie@...nsource.wolfsonmicro.com>
Cc: Sangbeom Kim <sbkim73@...sung.com>,
Inderpal Singh <inderpal.singh@...aro.org>,
Amit Daniel Kachhap <amit.daniel@...sung.com>,
Liam Girdwood <lrg@...com>, linux-kernel@...r.kernel.org
Subject: [PATCH] regulator: s5m8767: Remove max_vol parameter from
s5m8767_convert_voltage_to_sel
It looks pointless to pass max_vol to s5m8767_convert_voltage_to_sel().
Compare selected voltage to desc->max is enough to ensure selected voltage
is in supported range.
Signed-off-by: Axel Lin <axel.lin@...ics.com>
---
drivers/regulator/s5m8767.c | 33 ++++++++++-----------------------
1 file changed, 10 insertions(+), 23 deletions(-)
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index eeadf58..aa0ccef 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -297,16 +297,15 @@ static int s5m8767_get_vsel_reg(int reg_id, struct s5m8767_info *s5m8767)
return reg;
}
-static int s5m8767_convert_voltage_to_sel(
- const struct sec_voltage_desc *desc,
- int min_vol, int max_vol)
+static int s5m8767_convert_voltage_to_sel(const struct sec_voltage_desc *desc,
+ int min_vol)
{
int selector = 0;
if (desc == NULL)
return -EINVAL;
- if (max_vol < desc->min || min_vol > desc->max)
+ if (min_vol > desc->max)
return -EINVAL;
if (min_vol < desc->min)
@@ -314,7 +313,7 @@ static int s5m8767_convert_voltage_to_sel(
selector = DIV_ROUND_UP(min_vol - desc->min, desc->step);
- if (desc->min + desc->step * selector > max_vol)
+ if (desc->min + desc->step * selector > desc->max)
return -EINVAL;
return selector;
@@ -544,23 +543,17 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
s5m8767->opmode = pdata->opmode;
buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2,
- pdata->buck2_init,
- pdata->buck2_init +
- buck_voltage_val2.step);
+ pdata->buck2_init);
sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK2DVS2, buck_init);
buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2,
- pdata->buck3_init,
- pdata->buck3_init +
- buck_voltage_val2.step);
+ pdata->buck3_init);
sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK3DVS2, buck_init);
buck_init = s5m8767_convert_voltage_to_sel(&buck_voltage_val2,
- pdata->buck4_init,
- pdata->buck4_init +
- buck_voltage_val2.step);
+ pdata->buck4_init);
sec_reg_write(s5m8767->iodev, S5M8767_REG_BUCK4DVS2, buck_init);
@@ -569,27 +562,21 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
s5m8767->buck2_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
- pdata->buck2_voltage[i],
- pdata->buck2_voltage[i] +
- buck_voltage_val2.step);
+ pdata->buck2_voltage[i]);
}
if (s5m8767->buck3_gpiodvs) {
s5m8767->buck3_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
- pdata->buck3_voltage[i],
- pdata->buck3_voltage[i] +
- buck_voltage_val2.step);
+ pdata->buck3_voltage[i]);
}
if (s5m8767->buck4_gpiodvs) {
s5m8767->buck4_vol[i] =
s5m8767_convert_voltage_to_sel(
&buck_voltage_val2,
- pdata->buck4_voltage[i],
- pdata->buck4_voltage[i] +
- buck_voltage_val2.step);
+ pdata->buck4_voltage[i]);
}
}
--
1.7.9.5
--
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