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Subject[PATCH 1/2] regulator: s5m8767: Allow GPIO 0 to be used as external control
Date
GPIO 0 is a valid GPIO so allow using it as external control for
regulator.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski@samsung.com>
---
drivers/regulator/s5m8767.c | 20 ++++++--------------
1 file changed, 6 insertions(+), 14 deletions(-)

diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 5daa06626f16..c79af943a5c0 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -528,16 +528,6 @@ static int s5m8767_pmic_dt_parse_ds_gpio(struct sec_pmic_dev *iodev,
return 0;
}

-static void s5m8767_pmic_dt_parse_ext_control_gpio(struct sec_pmic_dev *iodev,
- struct sec_regulator_data *rdata,
- struct device_node *reg_np)
-{
- rdata->ext_control_gpio = of_get_named_gpio(reg_np,
- "s5m8767,pmic-ext-control-gpios", 0);
- if (!gpio_is_valid(rdata->ext_control_gpio))
- rdata->ext_control_gpio = 0;
-}
-
static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
struct sec_platform_data *pdata)
{
@@ -586,7 +576,8 @@ static int s5m8767_pmic_dt_parse_pdata(struct platform_device *pdev,
continue;
}

- s5m8767_pmic_dt_parse_ext_control_gpio(iodev, rdata, reg_np);
+ rdata->ext_control_gpio = of_get_named_gpio(reg_np,
+ "s5m8767,pmic-ext-control-gpios", 0);

rdata->id = i;
rdata->initdata = of_get_regulator_init_data(
@@ -959,8 +950,9 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
config.driver_data = s5m8767;
config.regmap = iodev->regmap_pmic;
config.of_node = pdata->regulators[i].reg_node;
- config.ena_gpio = config.ena_gpio_flags = 0;
- if (pdata->regulators[i].ext_control_gpio)
+ config.ena_gpio = -EINVAL;
+ config.ena_gpio_flags = 0;
+ if (gpio_is_valid(pdata->regulators[i].ext_control_gpio))
s5m8767_regulator_config_ext_control(s5m8767,
&pdata->regulators[i], &config);

@@ -973,7 +965,7 @@ static int s5m8767_pmic_probe(struct platform_device *pdev)
return ret;
}

- if (pdata->regulators[i].ext_control_gpio) {
+ if (gpio_is_valid(pdata->regulators[i].ext_control_gpio)) {
ret = s5m8767_enable_ext_control(s5m8767, rdev);
if (ret < 0) {
dev_err(s5m8767->dev,
--
1.9.1


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