[PATCH resend 5/5] phy-sun4i-usb: Warn when external vbus is detected
From: Hans de Goede <hidden>
Date: 2016-09-07 20:20:41
Also in:
linux-arm-kernel
Subsystem:
generic phy framework, the rest · Maintainers:
Vinod Koul, Linus Torvalds
Warn when external vbus is detected when we're trying to enable our own vbus. Signed-off-by: Hans de Goede <redacted> --- Changes in v2: -No changes Changes in v3: -No changes --- drivers/phy/phy-sun4i-usb.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/drivers/phy/phy-sun4i-usb.c b/drivers/phy/phy-sun4i-usb.c
index af42f8d..03f030b 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)
--
2.9.3
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at http://vger.kernel.org/majordomo-info.html