diff options
| author | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-10-25 15:55:30 +0400 |
|---|---|---|
| committer | Sarah Sharp <sarah.a.sharp@linux.intel.com> | 2011-12-23 03:52:44 +0400 |
| commit | c4255f67a869adae49d2ef165bcc9436bb7ec0bb (patch) | |
| tree | 75d3d8aa76d12e6cdbf9ff6f688e6b33c61fd0d4 /drivers/usb/host/xhci-ring.c | |
| parent | 3b9783b277e66731891ab42eeaacebbdcdd6e629 (diff) | |
| download | linux-c4255f67a869adae49d2ef165bcc9436bb7ec0bb.tar.xz | |
xhci: Remove useless sg-list debugging.
Remove verbose debugging about scatter-gather lists, as we haven't had
an issue with scatter gather list math for about a year now. The
debugging didn't help before, and just clutters up the log file when
trying to debug other issues.
Signed-off-by: Sarah Sharp <sarah.a.sharp@linux.intel.com>
Diffstat (limited to 'drivers/usb/host/xhci-ring.c')
| -rw-r--r-- | drivers/usb/host/xhci-ring.c | 20 |
1 files changed, 0 insertions, 20 deletions
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c index 560b7d7ff0c6..4e4f587c144b 100644 --- a/drivers/usb/host/xhci-ring.c +++ b/drivers/usb/host/xhci-ring.c @@ -2553,10 +2553,8 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb) num_sgs = urb->num_mapped_sgs; temp = urb->transfer_buffer_length; - xhci_dbg(xhci, "count sg list trbs: \n"); num_trbs = 0; for_each_sg(urb->sg, sg, num_sgs, i) { - unsigned int previous_total_trbs = num_trbs; unsigned int len = sg_dma_len(sg); /* Scatter gather list entries may cross 64KB boundaries */ @@ -2571,22 +2569,11 @@ static unsigned int count_sg_trbs_needed(struct xhci_hcd *xhci, struct urb *urb) num_trbs++; running_total += TRB_MAX_BUFF_SIZE; } - xhci_dbg(xhci, " sg #%d: dma = %#llx, len = %#x (%d), num_trbs = %d\n", - i, (unsigned long long)sg_dma_address(sg), - len, len, num_trbs - previous_total_trbs); - len = min_t(int, len, temp); temp -= len; if (temp == 0) break; } - xhci_dbg(xhci, "\n"); - if (!in_interrupt()) - xhci_dbg(xhci, "ep %#x - urb len = %d, sglist used, " - "num_trbs = %d\n", - urb->ep->desc.bEndpointAddress, - urb->transfer_buffer_length, - num_trbs); return num_trbs; } @@ -2772,8 +2759,6 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, trb_buff_len = min_t(int, trb_buff_len, this_sg_len); if (trb_buff_len > urb->transfer_buffer_length) trb_buff_len = urb->transfer_buffer_length; - xhci_dbg(xhci, "First length to xfer from 1st sglist entry = %u\n", - trb_buff_len); first_trb = true; /* Queue the first TRB, even if it's zero-length */ @@ -2805,11 +2790,6 @@ static int queue_bulk_sg_tx(struct xhci_hcd *xhci, gfp_t mem_flags, if (usb_urb_dir_in(urb)) field |= TRB_ISP; - xhci_dbg(xhci, " sg entry: dma = %#x, len = %#x (%d), " - "64KB boundary at %#x, end dma = %#x\n", - (unsigned int) addr, trb_buff_len, trb_buff_len, - (unsigned int) (addr + TRB_MAX_BUFF_SIZE) & ~(TRB_MAX_BUFF_SIZE - 1), - (unsigned int) addr + trb_buff_len); if (TRB_MAX_BUFF_SIZE - (addr & (TRB_MAX_BUFF_SIZE - 1)) < trb_buff_len) { xhci_warn(xhci, "WARN: sg dma xfer crosses 64KB boundaries!\n"); |