diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2016-09-07 22:20:41 +0200 |
|---|---|---|
| committer | Kishon Vijay Abraham I <kishon@ti.com> | 2016-09-10 13:45:19 +0200 |
| commit | 91d6e3b6bcf2625a07fec22a9af37ddbfd91a0df (patch) | |
| tree | f91e5914a309d76782c443124bd70520881550e7 /drivers/phy/phy-sun4i-usb.c | |
| parent | phy-sun4i-usb: Add support for phy_set_mode (diff) | |
| download | linux-91d6e3b6bcf2625a07fec22a9af37ddbfd91a0df.tar.xz linux-91d6e3b6bcf2625a07fec22a9af37ddbfd91a0df.zip | |
phy-sun4i-usb: Warn when external vbus is detected
Warn when external vbus is detected when we're trying to enable our
own vbus.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Diffstat (limited to 'drivers/phy/phy-sun4i-usb.c')
| -rw-r--r-- | drivers/phy/phy-sun4i-usb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c index af42f8d40ac1..03f030b491d6 100644 --- a/drivers/phy/phy-sun4i-usb.c +++ b/drivers/phy/phy-sun4i-usb.c @@ -390,8 +390,10 @@ static int sun4i_usb_phy_power_on(struct phy *_phy) /* For phy0 only turn on Vbus if we don't have an ext. Vbus */ if (phy->index == 0 && sun4i_usb_phy0_have_vbus_det(data) && - data->vbus_det) + data->vbus_det) { + dev_warn(&_phy->dev, "External vbus detected, not enabling our own vbus\n"); return 0; + } ret = regulator_enable(phy->vbus); if (ret) |