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....@ingics.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



--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to