diff options
| -rw-r--r-- | drivers/usb/phy/phy-gpio-vbus-usb.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/usb/phy/phy-gpio-vbus-usb.c b/drivers/usb/phy/phy-gpio-vbus-usb.c index a7d4ac5..4c76074 100644 --- a/drivers/usb/phy/phy-gpio-vbus-usb.c +++ b/drivers/usb/phy/phy-gpio-vbus-usb.c @@ -61,6 +61,7 @@ static void set_vbus_draw(struct gpio_vbus_data *gpio_vbus, unsigned mA) { struct regulator *vbus_draw = gpio_vbus->vbus_draw; int enabled; + int ret; if (!vbus_draw) return; @@ -69,12 +70,16 @@ static void set_vbus_draw(struct gpio_vbus_data *gpio_vbus, unsigned mA) if (mA) { regulator_set_current_limit(vbus_draw, 0, 1000 * mA); if (!enabled) { - regulator_enable(vbus_draw); + ret = regulator_enable(vbus_draw); + if (ret < 0) + return; gpio_vbus->vbus_draw_enabled = 1; } } else { if (enabled) { - regulator_disable(vbus_draw); + ret = regulator_disable(vbus_draw); + if (ret < 0) + return; gpio_vbus->vbus_draw_enabled = 0; } } |
