Since hnp polling will directly invoke otg_statemachine() with irq
enabled, which will cause nobody cared irq while remove host role
for B host, so we disable irq for it.
Signed-off-by: Li Jun <jun.li@xxxxxxx>
---
drivers/usb/chipidea/otg_fsm.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/usb/chipidea/otg_fsm.c b/drivers/usb/chipidea/otg_fsm.c
index cb28e76..e5def6a 100644
--- a/drivers/usb/chipidea/otg_fsm.c
+++ b/drivers/usb/chipidea/otg_fsm.c
@@ -545,8 +545,10 @@ static int ci_otg_start_host(struct otg_fsm *fsm, int on)
ci_role_stop(ci);
ci_role_start(ci, CI_ROLE_HOST);
} else {
+ disable_irq(ci->irq);
ci_role_stop(ci);
ci_role_start(ci, CI_ROLE_GADGET);
+ enable_irq(ci->irq);
}
return 0;
}
--
1.9.1
--
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