From: Li Jun <B47624@xxxxxxxxxxxxx>
According to:"On-The-Go and Embedded Host Supplement to the USB Revision 2.0
Specification July 27, 2012 Revision 2.0 version 1.1a"
- add a_wait_vrise to a_wait_vfall
- update condition from a_wait_vrise to a_wait_bcon
Signed-off-by: Li Jun <b47624@xxxxxxxxxxxxx>
---
drivers/usb/phy/phy-fsm-usb.c | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/phy/phy-fsm-usb.c b/drivers/usb/phy/phy-fsm-usb.c
index c47e5a6..0021839 100644
--- a/drivers/usb/phy/phy-fsm-usb.c
+++ b/drivers/usb/phy/phy-fsm-usb.c
@@ -303,9 +303,11 @@ int otg_statemachine(struct otg_fsm *fsm)
otg_set_state(fsm, OTG_STATE_A_WAIT_VRISE);
break;
case OTG_STATE_A_WAIT_VRISE:
- if (fsm->id || fsm->a_bus_drop || fsm->a_vbus_vld ||
- fsm->a_wait_vrise_tmout) {
+ if (fsm->a_vbus_vld) {
otg_set_state(fsm, OTG_STATE_A_WAIT_BCON);
+ } else if (fsm->id || fsm->a_bus_drop ||
+ fsm->a_wait_vrise_tmout) {
+ otg_set_state(fsm, OTG_STATE_A_WAIT_VFALL);
}
break;
case OTG_STATE_A_WAIT_BCON:
--
1.7.8
--
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