diff options
| -rw-r--r-- | drivers/usb/renesas_usbhs/mod_gadget.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c index 9a5ac02..8c721d8 100644 --- a/drivers/usb/renesas_usbhs/mod_gadget.c +++ b/drivers/usb/renesas_usbhs/mod_gadget.c @@ -787,12 +787,18 @@ static int usbhsg_pipe_disable(struct usbhsg_uep *uep) usbhsg_queue_pop(uep, ureq, -ECONNRESET); } - uep->pipe->mod_private = NULL; - uep->pipe = NULL; - return 0; } +static void usbhsg_uep_init(struct usbhsg_gpriv *gpriv) +{ + int i; + struct usbhsg_uep *uep; + + usbhsg_for_each_uep_with_dcp(uep, gpriv, i) + uep->pipe = NULL; +} + /* * * usb_ep_ops @@ -809,6 +815,13 @@ static int usbhsg_ep_enable(struct usb_ep *ep, unsigned long flags; int ret = -EIO; + /* + * if it already have pipe, + * nothing to do + */ + if (uep->pipe) + return 0; + /******************** spin lock ********************/ spin_lock_irqsave(lock, flags); @@ -1045,6 +1058,7 @@ static int usbhsg_try_start(struct usbhs_priv *priv, u32 status) * pipe initialize and enable DCP */ usbhs_pipe_init(priv); + usbhsg_uep_init(gpriv); usbhsg_dcp_enable(dcp); /* |