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authorAmit Daniel Kachhap <amit.daniel@samsung.com>2012-12-10 13:49:41 +0100
committerMark Brown <broonie@opensource.wolfsonmicro.com>2012-12-11 04:44:05 +0100
commit76c854d1dfdce33354dc2481e5db31f27c6be3e3 (patch)
treea211a11d8ec7b3cc282efbd4c0ef411c312ee47b /drivers
parentregulator: s5m8767: Fix to read the first DVS register. (diff)
downloadlinux-76c854d1dfdce33354dc2481e5db31f27c6be3e3.tar.xz
linux-76c854d1dfdce33354dc2481e5db31f27c6be3e3.zip
regulator: s5m8767: Fix to work even if no DVS gpio present
Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/regulator/s5m8767.c17
1 files changed, 10 insertions, 7 deletions
diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c
index 4afca9d570d2..8ef5b337ad65 100644
--- a/drivers/regulator/s5m8767.c
+++ b/drivers/regulator/s5m8767.c
@@ -626,9 +626,16 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
}
}
- if (gpio_is_valid(pdata->buck_gpios[0]) &&
- gpio_is_valid(pdata->buck_gpios[1]) &&
- gpio_is_valid(pdata->buck_gpios[2])) {
+ if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs ||
+ pdata->buck4_gpiodvs) {
+
+ if (!gpio_is_valid(pdata->buck_gpios[0]) ||
+ !gpio_is_valid(pdata->buck_gpios[1]) ||
+ !gpio_is_valid(pdata->buck_gpios[2])) {
+ dev_err(&pdev->dev, "GPIO NOT VALID\n");
+ return -EINVAL;
+ }
+
ret = devm_gpio_request(&pdev->dev, pdata->buck_gpios[0],
"S5M8767 SET1");
if (ret)
@@ -653,10 +660,6 @@ static __devinit int s5m8767_pmic_probe(struct platform_device *pdev)
/* SET3 GPIO */
gpio_direction_output(pdata->buck_gpios[2],
(s5m8767->buck_gpioindex >> 0) & 0x1);
- } else {
- dev_err(&pdev->dev, "GPIO NOT VALID\n");
- ret = -EINVAL;
- return ret;
}
ret = devm_gpio_request(&pdev->dev, pdata->buck_ds[0], "S5M8767 DS2");