From 4dcf720c5d40b27c916e7115ad75b335c9c1e264 Mon Sep 17 00:00:00 2001 From: Li Jun Date: Wed, 23 Apr 2014 15:56:50 +0800 Subject: usb: chipidea: OTG HNP and SRP fsm implementation USB OTG interrupt handling and fsm transitions according to USB OTG and EH 2.0. Signed-off-by: Peter Chen Signed-off-by: Li Jun Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/udc.c | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'drivers/usb/chipidea/udc.c') diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index cba7fd63d6e3..150592f10b3d 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -28,6 +28,7 @@ #include "bits.h" #include "debug.h" #include "otg.h" +#include "otg_fsm.h" /* control endpoint description */ static const struct usb_endpoint_descriptor @@ -1644,6 +1645,13 @@ static int ci_udc_start(struct usb_gadget *gadget, return retval; ci->driver = driver; + + /* Start otg fsm for B-device */ + if (ci_otg_is_fsm_mode(ci) && ci->fsm.id) { + ci_hdrc_otg_fsm_start(ci); + return retval; + } + pm_runtime_get_sync(&ci->gadget.dev); if (ci->vbus_active) { spin_lock_irqsave(&ci->lock, flags); -- cgit v1.2.3