unimore/kernel-hacking-2024-linux-steffo
unimore/kernel-hacking-2024-linux-steffo
1
Fork 0
Code Pull requests 5 Wiki Activity

USB: xHCI: remove redundant print messages

Browse source 
Remove redundant print messages in the interrupt context.

Signed-off-by: Andiry Xu <andiry.xu@amd.com>
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Andiry Xu 2010-07-22 15:23:15 -07:00 committed by Greg Kroah-Hartman
parent 22405ed2e1
commit 7fec3253ed
1 changed files with 0 additions and 15 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
drivers/usb/host/xhci-ring.c
View file

@ -1592,7 +1592,6 @@ static int handle_tx_event(struct xhci_hcd *xhci,
u32 trb_comp_code;
int ret = 0;
xhci_dbg(xhci, "In %s\n", __func__);
slot_id = TRB_TO_SLOT_ID(event->flags);
xdev = xhci->devs[slot_id];
if (!xdev) {
@ -1614,7 +1613,6 @@ static int handle_tx_event(struct xhci_hcd *xhci,
event_dma = event->buffer;
/* This TRB should be in the TD at the head of this ring's TD list */
xhci_dbg(xhci, "%s - checking for list empty\n", __func__);
if (list_empty(&ep_ring->td_list)) {
xhci_warn(xhci, "WARN Event TRB for slot %d ep %d with no TDs queued?\n",
TRB_TO_SLOT_ID(event->flags), ep_index);
@ -1623,30 +1621,17 @@ static int handle_tx_event(struct xhci_hcd *xhci,
xhci_print_trb_offsets(xhci, (union xhci_trb *) event);
goto cleanup;
}
xhci_dbg(xhci, "%s - getting list entry\n", __func__);
td = list_entry(ep_ring->td_list.next, struct xhci_td, td_list);
/* Is this a TRB in the currently executing TD? */
xhci_dbg(xhci, "%s - looking for TD\n", __func__);
event_seg = trb_in_td(ep_ring->deq_seg, ep_ring->dequeue,
td->last_trb, event_dma);
xhci_dbg(xhci, "%s - found event_seg = %p\n", __func__, event_seg);
if (!event_seg) {
/* HC is busted, give up! */
xhci_err(xhci, "ERROR Transfer event TRB DMA ptr not part of current TD\n");
return -ESHUTDOWN;
}
event_trb = &event_seg->trbs[(event_dma - event_seg->dma) / sizeof(*event_trb)];
xhci_dbg(xhci, "Event TRB with TRB type ID %u\n",
(unsigned int) (event->flags & TRB_TYPE_BITMASK)>>10);
xhci_dbg(xhci, "Offset 0x00 (buffer lo) = 0x%x\n",
lower_32_bits(event->buffer));
xhci_dbg(xhci, "Offset 0x04 (buffer hi) = 0x%x\n",
upper_32_bits(event->buffer));
xhci_dbg(xhci, "Offset 0x08 (transfer length) = 0x%x\n",
(unsigned int) event->transfer_len);
xhci_dbg(xhci, "Offset 0x0C (flags) = 0x%x\n",
(unsigned int) event->flags);
/* Look for common error cases */
trb_comp_code = GET_COMP_CODE(event->transfer_len);