diff options
| author | Peter Chen <peter.chen@nxp.com> | 2020-02-19 22:14:54 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-03-04 10:56:25 +0100 |
| commit | 8a7c47fb7285b23ca259c888016513d5566fa9e8 (patch) | |
| tree | a294eee70a57322caa97a10d56c73da372180153 /drivers/usb | |
| parent | f8788d86ab28f61f7b46eb6be375f8a726783636 (diff) | |
usb: cdns3: gadget: link trb should point to next request
It has marked the dequeue trb as link trb, but its next segment
pointer is still itself, it causes the transfer can't go on. Fix
it by set its pointer as the trb address for the next request.
Fixes: f616c3bda47e ("usb: cdns3: Fix dequeue implementation")
Signed-off-by: Peter Chen <peter.chen@nxp.com>
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20200219141455.23257-2-peter.chen@nxp.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/cdns3/gadget.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/gadget.c b/drivers/usb/cdns3/gadget.c index 736b0c6e27fe..1d8a2af35bb0 100644 --- a/drivers/usb/cdns3/gadget.c +++ b/drivers/usb/cdns3/gadget.c @@ -2550,7 +2550,7 @@ found: /* Update ring only if removed request is on pending_req_list list */ if (req_on_hw_ring) { link_trb->buffer = TRB_BUFFER(priv_ep->trb_pool_dma + - (priv_req->start_trb * TRB_SIZE)); + ((priv_req->end_trb + 1) * TRB_SIZE)); link_trb->control = (link_trb->control & TRB_CYCLE) | TRB_TYPE(TRB_LINK) | TRB_CHAIN; |