From: Li Jun <b47624@xxxxxxxxxxxxx>
This patch starts HNP polling timer when otg is set to be a_host
or b_host.
Signed-off-by: Li Jun <b47624@xxxxxxxxxxxxx>
---
drivers/usb/common/usb-otg-fsm.c | 2 ++
include/linux/usb/otg-fsm.h | 1 +
2 files changed, 3 insertions(+)
diff --git a/drivers/usb/common/usb-otg-fsm.c b/drivers/usb/common/usb-otg-fsm.c
index a62d8c8..141c8d7 100644
--- a/drivers/usb/common/usb-otg-fsm.c
+++ b/drivers/usb/common/usb-otg-fsm.c
@@ -169,6 +169,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state)
otg_set_protocol(fsm, PROTO_HOST);
usb_bus_start_enum(fsm->otg->host,
fsm->otg->host->otg_port);
+ otg_add_timer(fsm, HNP_POLLING);
break;
case OTG_STATE_A_IDLE:
otg_drv_vbus(fsm, 0);
@@ -203,6 +204,7 @@ static int otg_set_state(struct otg_fsm *fsm, enum usb_otg_state new_state)
*/
if (!fsm->a_bus_req || fsm->a_suspend_req_inf)
otg_add_timer(fsm, A_WAIT_ENUM);
+ otg_add_timer(fsm, HNP_POLLING);
break;
case OTG_STATE_A_SUSPEND:
otg_drv_vbus(fsm, 1);
diff --git a/include/linux/usb/otg-fsm.h b/include/linux/usb/otg-fsm.h
index b6ba1bf..c1da7c5 100644
--- a/include/linux/usb/otg-fsm.h
+++ b/include/linux/usb/otg-fsm.h
@@ -53,6 +53,7 @@ enum otg_fsm_timer {
B_SE0_SRP,
B_SRP_FAIL,
A_WAIT_ENUM,
+ HNP_POLLING,
NUM_OTG_FSM_TIMERS,
};
--
1.7.9.5
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