diff options
| -rw-r--r-- | drivers/usb/host/xhci.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index dfb188d5e4..93737b083c 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -511,6 +511,7 @@ static int xhci_set_configuration(struct usb_device *udev) unsigned int mult; unsigned int max_burst; unsigned int avg_trb_len; + unsigned int err_count = 0; out_ctx = virt_dev->out_ctx; in_ctx = virt_dev->in_ctx; @@ -588,9 +589,12 @@ static int xhci_set_configuration(struct usb_device *udev) cpu_to_le32(MAX_PACKET (get_unaligned(&endpt_desc->wMaxPacketSize))); + /* Allow 3 retries for everything but isoc, set CErr = 3 */ + if (!usb_endpoint_xfer_isoc(endpt_desc)) + err_count = 3; ep_ctx[ep_index]->ep_info2 |= cpu_to_le32(MAX_BURST(max_burst) | - ((3 & ERROR_COUNT_MASK) << ERROR_COUNT_SHIFT)); + ERROR_COUNT(err_count)); trb_64 = (uintptr_t) virt_dev->eps[ep_index].ring->enqueue; |