xhci: Remove scary warnings about transfer issues.

commit 2a9227a5eeaeb3f91e3a72ceea4fa59016ca5d20 upstream.

Getting a short packet or a babble error is usually a recoverable error,
so stop scaring users with warnings in dmesg when xHCI debugging is turned
off.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 0c6fb19..7de9993 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -1934,7 +1934,6 @@ static int process_ctrl_td(struct xhci_hcd *xhci, struct xhci_td *td,
                }
                break;
        case COMP_SHORT_TX:
-               xhci_warn(xhci, "WARN: short transfer on control ep\n");
                if (td->urb->transfer_flags & URB_SHORT_NOT_OK)
                        *status = -EREMOTEIO;
                else
@@ -2291,7 +2290,7 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                xhci_dbg(xhci, "Stopped on No-op or Link TRB\n");
                break;
        case COMP_STALL:
-               xhci_warn(xhci, "WARN: Stalled endpoint\n");
+               xhci_dbg(xhci, "Stalled endpoint\n");
                ep->ep_state |= EP_HALTED;
                status = -EPIPE;
                break;
@@ -2301,11 +2300,11 @@ static int handle_tx_event(struct xhci_hcd *xhci,
                break;
        case COMP_SPLIT_ERR:
        case COMP_TX_ERR:
-               xhci_warn(xhci, "WARN: transfer error on endpoint\n");
+               xhci_dbg(xhci, "Transfer error on endpoint\n");
                status = -EPROTO;
                break;
        case COMP_BABBLE:
-               xhci_warn(xhci, "WARN: babble error on endpoint\n");
+               xhci_dbg(xhci, "Babble error on endpoint\n");
                status = -EOVERFLOW;
                break;
        case COMP_DB_ERR: