ulpi_set_vbus and ulpi_set_flags are using ULPI_SET(register) to write to the PHY's registers, which means we can only set bits in the PHY's register and not clear them. By directly using the address of the register without any offset, we now get the expected behaviour for these functions. Signed-off-by: Eric Bénard <eric@xxxxxxxxxx> Cc: Daniel Mack <daniel@xxxxxxxx> Cc: linux-usb@xxxxxxxxxxxxxxx Cc: linux-arm-kernel@xxxxxxxxxxxxxxxxxxx Cc: Sascha Hauer <kernel@xxxxxxxxxxxxxx> --- v2 : drop reg/val swap which is handled in a better way by Igor's patch here : http://comments.gmane.org/gmane.linux.usb.general/32092 drivers/usb/otg/ulpi.c | 4 ++-- 1 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/usb/otg/ulpi.c b/drivers/usb/otg/ulpi.c index b1b3469..086853b 100644 --- a/drivers/usb/otg/ulpi.c +++ b/drivers/usb/otg/ulpi.c @@ -54,7 +54,7 @@ static int ulpi_set_flags(struct otg_transceiver *otg) if (otg->flags & USB_OTG_EXT_VBUS_INDICATOR) flags |= ULPI_OTG_CTRL_EXTVBUSIND; - return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL)); + return otg_io_write(otg, flags, ULPI_OTG_CTRL); } static int ulpi_init(struct otg_transceiver *otg) @@ -90,7 +90,7 @@ static int ulpi_set_vbus(struct otg_transceiver *otg, bool on) flags |= ULPI_OTG_CTRL_DRVVBUS_EXT; } - return otg_io_write(otg, flags, ULPI_SET(ULPI_OTG_CTRL)); + return otg_io_write(otg, flags, ULPI_OTG_CTRL); } struct otg_transceiver * -- 1.6.3.3 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html