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regulator: max8973: get rid of extra variable for gpio validity 

To find that dvs-gpio is valid or not, gpio API gpio_is_valid()
can be directly used instead of intermediate variable.

Removing the extra variable and using the gpio_is_valid().

Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Laxman Dewangan 2015-05-06 18:20:10 +05:30 committed by Mark Brown
parent eaacaa09e4
commit fa5f509fb5
1 changed files with 2 additions and 6 deletions
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8
drivers/regulator/max8973-regulator.c
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@ -100,7 +100,6 @@ struct max8973_chip {
int curr_vout_val[MAX8973_MAX_VOUT_REG];
int curr_vout_reg;
int curr_gpio_val;
bool valid_dvs_gpio;
struct regulator_ops ops;
};
@ -174,7 +173,7 @@ static int max8973_dcdc_set_voltage_sel(struct regulator_dev *rdev,
* If gpios are available to select the VOUT register then least
* recently used register for new configuration.
*/
if (max->valid_dvs_gpio)
if (gpio_is_valid(max->dvs_gpio))
found = find_voltage_set_register(max, vsel,
&vout_reg, &gpio_val);
@ -191,7 +190,7 @@ static int max8973_dcdc_set_voltage_sel(struct regulator_dev *rdev,
}
/* Select proper VOUT register vio gpios */
if (max->valid_dvs_gpio) {
if (gpio_is_valid(max->dvs_gpio)) {
gpio_set_value_cansleep(max->dvs_gpio, gpio_val & 0x1);
max->curr_gpio_val = gpio_val;
}
@ -438,7 +437,6 @@ static int max8973_probe(struct i2c_client *client,
max->dvs_gpio, ret);
return ret;
}
max->valid_dvs_gpio = true;
/*
* Initialize the lru index with vout_reg id
@ -448,8 +446,6 @@ static int max8973_probe(struct i2c_client *client,
max->lru_index[i] = i;
max->lru_index[0] = max->curr_vout_reg;
max->lru_index[max->curr_vout_reg] = 0;
} else {
max->valid_dvs_gpio = false;
}
if (pdata) {