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usb: phy: fsm: update OTG HNP state transition

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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@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
This commit is contained in:
Li Jun 2014-03-13 15:22:50 +08:00 committed by Felipe Balbi
parent a31a942a14
commit 2284bb3550
1 changed files with 4 additions and 3 deletions
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7
drivers/usb/phy/phy-fsm-usb.c
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@ -303,10 +303,11 @@ int otg_statemachine(struct otg_fsm *fsm)
otg_set_state(fsm, OTG_STATE_A_WAIT_VRISE); otg_set_state(fsm, OTG_STATE_A_WAIT_VRISE);
break; break;
case OTG_STATE_A_WAIT_VRISE: case OTG_STATE_A_WAIT_VRISE:
if (fsm->id || fsm->a_bus_drop || fsm->a_vbus_vld || if (fsm->a_vbus_vld)
fsm->a_wait_vrise_tmout) {
otg_set_state(fsm, OTG_STATE_A_WAIT_BCON); 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; break;
case OTG_STATE_A_WAIT_BCON: case OTG_STATE_A_WAIT_BCON:
if (!fsm->a_vbus_vld) if (!fsm->a_vbus_vld)