xhci: STFU: Remove function tracing.

Remove unnecessary debugging from the xHCI driver.  We don't need to
know what function we're calling or returning from.  Now I know how to
use markup-oops.pl to de-mystify stack dumps of crashes.

Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>

diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index ba551239d28b849025f74edcac3b28272288ffae..4794905d38d74a33f463967c1a42b3c6e76e6950 100644 (file)
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2182,7 +2182,6 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
        int update_ptrs = 1;
        int ret;
 
-       xhci_dbg(xhci, "In %s\n", __func__);
        if (!xhci->event_ring || !xhci->event_ring->dequeue) {
                xhci->error_bitmask |= 1 << 1;
                return 0;
@@ -2195,7 +2194,6 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
                xhci->error_bitmask |= 1 << 2;
                return 0;
        }
-       xhci_dbg(xhci, "%s - OS owns TRB\n", __func__);
 
        /*
         * Barrier between reading the TRB_CYCLE (valid) flag above and any
@@ -2205,20 +2203,14 @@ static int xhci_handle_event(struct xhci_hcd *xhci)
        /* FIXME: Handle more event types. */
        switch ((le32_to_cpu(event->event_cmd.flags) & TRB_TYPE_BITMASK)) {
        case TRB_TYPE(TRB_COMPLETION):
-               xhci_dbg(xhci, "%s - calling handle_cmd_completion\n", __func__);
                handle_cmd_completion(xhci, &event->event_cmd);
-               xhci_dbg(xhci, "%s - returned from handle_cmd_completion\n", __func__);
                break;
        case TRB_TYPE(TRB_PORT_STATUS):
-               xhci_dbg(xhci, "%s - calling handle_port_status\n", __func__);
                handle_port_status(xhci, event);
-               xhci_dbg(xhci, "%s - returned from handle_port_status\n", __func__);
                update_ptrs = 0;
                break;
        case TRB_TYPE(TRB_TRANSFER):
-               xhci_dbg(xhci, "%s - calling handle_tx_event\n", __func__);
                ret = handle_tx_event(xhci, &event->trans_event);
-               xhci_dbg(xhci, "%s - returned from handle_tx_event\n", __func__);
                if (ret < 0)
                        xhci->error_bitmask |= 1 << 9;
                else