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authorLi Jun <B47624@freescale.com>2014-03-13 15:22:50 +0800
committerFelipe Balbi <balbi@ti.com>2014-04-24 09:53:57 -0500
commit2284bb35503ce7b05fce8f0dc8e1cb2a3134ae4e (patch)
tree0e228746fbdadcecb5662fc22d46f2a17ae75527 /drivers/usb
parenta31a942a148e0083ce560ffeb54fb60e06ab7201 (diff)
downloadop-kernel-dev-2284bb35503ce7b05fce8f0dc8e1cb2a3134ae4e.zip
op-kernel-dev-2284bb35503ce7b05fce8f0dc8e1cb2a3134ae4e.tar.gz
usb: phy: fsm: update OTG HNP state transition
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/phy/phy-fsm-usb.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/usb/phy/phy-fsm-usb.c b/drivers/usb/phy/phy-fsm-usb.c
index c47e5a6..731b4a5 100644
--- a/drivers/usb/phy/phy-fsm-usb.c
+++ b/drivers/usb/phy/phy-fsm-usb.c
@@ -303,10 +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:
if (!fsm->a_vbus_vld)
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