usb: wusbcore: include the xfer_id in debug prints

Include the xfer_id in debug prints for transfers and transfer segments.
This makes it much easier to correlate debug logs to USB analyzer logs.

Signed-off-by: Thomas Pugliese <thomas.pugliese@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/wusbcore/wa-xfer.c b/drivers/usb/wusbcore/wa-xfer.c
index 6f935d575b07c5859695911381f69d801a5b7d02..3860bdf3a6c6b9a7aefa7e3a5e1913cb1fc129aa 100644 (file)
--- a/drivers/usb/wusbcore/wa-xfer.c
+++ b/drivers/usb/wusbcore/wa-xfer.c
@@ -237,6 +237,31 @@ static void wa_xfer_completion(struct wa_xfer *xfer)
        wa_xfer_giveback(xfer);
 }
 
+/*
+ * Initialize a transfer's ID
+ *
+ * We need to use a sequential number; if we use the pointer or the
+ * hash of the pointer, it can repeat over sequential transfers and
+ * then it will confuse the HWA....wonder why in hell they put a 32
+ * bit handle in there then.
+ */
+static void wa_xfer_id_init(struct wa_xfer *xfer)
+{
+       xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
+}
+
+/* Return the xfer's ID. */
+static inline u32 wa_xfer_id(struct wa_xfer *xfer)
+{
+       return xfer->id;
+}
+
+/* Return the xfer's ID in transport format (little endian). */
+static inline __le32 wa_xfer_id_le32(struct wa_xfer *xfer)
+{
+       return cpu_to_le32(xfer->id);
+}
+
 /*
  * If transfer is done, wrap it up and return true
  *
@@ -259,8 +284,9 @@ static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
                switch (seg->status) {
                case WA_SEG_DONE:
                        if (found_short && seg->result > 0) {
-                               dev_dbg(dev, "xfer %p#%u: bad short segments (%zu)\n",
-                                       xfer, cnt, seg->result);
+                               dev_dbg(dev, "xfer %p ID %08X#%u: bad short segments (%zu)\n",
+                                       xfer, wa_xfer_id(xfer), cnt,
+                                       seg->result);
                                urb->status = -EINVAL;
                                goto out;
                        }
@@ -268,24 +294,26 @@ static unsigned __wa_xfer_is_done(struct wa_xfer *xfer)
                        if (seg->result < xfer->seg_size
                            && cnt != xfer->segs-1)
                                found_short = 1;
-                       dev_dbg(dev, "xfer %p#%u: DONE short %d "
+                       dev_dbg(dev, "xfer %p ID %08X#%u: DONE short %d "
                                "result %zu urb->actual_length %d\n",
-                               xfer, seg->index, found_short, seg->result,
-                               urb->actual_length);
+                               xfer, wa_xfer_id(xfer), seg->index, found_short,
+                               seg->result, urb->actual_length);
                        break;
                case WA_SEG_ERROR:
                        xfer->result = seg->result;
-                       dev_dbg(dev, "xfer %p#%u: ERROR result %zu\n",
-                               xfer, seg->index, seg->result);
+                       dev_dbg(dev, "xfer %p ID %08X#%u: ERROR result %zu(0x%08X)\n",
+                               xfer, wa_xfer_id(xfer), seg->index, seg->result,
+                               seg->result);
                        goto out;
                case WA_SEG_ABORTED:
-                       dev_dbg(dev, "xfer %p#%u ABORTED: result %d\n",
-                               xfer, seg->index, urb->status);
+                       dev_dbg(dev, "xfer %p ID %08X#%u ABORTED: result %d\n",
+                               xfer, wa_xfer_id(xfer), seg->index,
+                               urb->status);
                        xfer->result = urb->status;
                        goto out;
                default:
-                       dev_warn(dev, "xfer %p#%u: is_done bad state %d\n",
-                                xfer, cnt, seg->status);
+                       dev_warn(dev, "xfer %p ID %08X#%u: is_done bad state %d\n",
+                                xfer, wa_xfer_id(xfer), cnt, seg->status);
                        xfer->result = -EINVAL;
                        goto out;
                }
@@ -295,31 +323,6 @@ out:
        return result;
 }
 
-/*
- * Initialize a transfer's ID
- *
- * We need to use a sequential number; if we use the pointer or the
- * hash of the pointer, it can repeat over sequential transfers and
- * then it will confuse the HWA....wonder why in hell they put a 32
- * bit handle in there then.
- */
-static void wa_xfer_id_init(struct wa_xfer *xfer)
-{
-       xfer->id = atomic_add_return(1, &xfer->wa->xfer_id_count);
-}
-
-/* Return the xfer's ID. */
-static inline u32 wa_xfer_id(struct wa_xfer *xfer)
-{
-       return xfer->id;
-}
-
-/* Return the xfer's ID in transport format (little endian). */
-static inline __le32 wa_xfer_id_le32(struct wa_xfer *xfer)
-{
-       return cpu_to_le32(xfer->id);
-}
-
 /*
  * Search for a transfer list ID on the HCD's URB list
  *
@@ -618,8 +621,9 @@ static void wa_seg_tr_cb(struct urb *urb)
                dev = &wa->usb_iface->dev;
                rpipe = xfer->ep->hcpriv;
                if (printk_ratelimit())
-                       dev_err(dev, "xfer %p#%u: request error %d\n",
-                               xfer, seg->index, urb->status);
+                       dev_err(dev, "xfer %p ID 0x%08X#%u: request error %d\n",
+                               xfer, wa_xfer_id(xfer), seg->index,
+                               urb->status);
                if (edc_inc(&wa->nep_edc, EDC_MAX_ERRORS,
                            EDC_ERROR_TIMEFRAME)){
                        dev_err(dev, "DTO: URB max acceptable errors "
@@ -964,8 +968,9 @@ static void wa_xfer_delayed_run(struct wa_rpipe *rpipe)
                list_del(&seg->list_node);
                xfer = seg->xfer;
                result = __wa_seg_submit(rpipe, xfer, seg);
-               dev_dbg(dev, "xfer %p#%u submitted from delayed [%d segments available] %d\n",
-                       xfer, seg->index, atomic_read(&rpipe->segs_available), result);
+               dev_dbg(dev, "xfer %p ID %08X#%u submitted from delayed [%d segments available] %d\n",
+                       xfer, wa_xfer_id(xfer), seg->index,
+                       atomic_read(&rpipe->segs_available), result);
                if (unlikely(result < 0)) {
                        spin_unlock_irqrestore(&rpipe->seg_lock, flags);
                        spin_lock_irqsave(&xfer->lock, flags);
@@ -1009,11 +1014,10 @@ static int __wa_xfer_submit(struct wa_xfer *xfer)
                available = atomic_read(&rpipe->segs_available);
                empty = list_empty(&rpipe->seg_list);
                seg = xfer->seg[cnt];
-               dev_dbg(dev, "xfer %p#%u: available %u empty %u (%s)\n",
-                       xfer, cnt, available, empty,
+               dev_dbg(dev, "xfer %p ID 0x%08X#%u: available %u empty %u (%s)\n",
+                       xfer, wa_xfer_id(xfer), cnt, available, empty,
                        available == 0 || !empty ? "delayed" : "submitted");
                if (available == 0 || !empty) {
-                       dev_dbg(dev, "xfer %p#%u: delayed\n", xfer, cnt);
                        seg->status = WA_SEG_DELAYED;
                        list_add_tail(&seg->list_node, &rpipe->seg_list);
                } else {
@@ -1463,8 +1467,8 @@ static void wa_xfer_result_chew(struct wahc *wa, struct wa_xfer *xfer,
        seg = xfer->seg[seg_idx];
        rpipe = xfer->ep->hcpriv;
        usb_status = xfer_result->bTransferStatus;
-       dev_dbg(dev, "xfer %p#%u: bTransferStatus 0x%02x (seg status %u)\n",
-               xfer, seg_idx, usb_status, seg->status);
+       dev_dbg(dev, "xfer %p ID 0x%08X#%u: bTransferStatus 0x%02x (seg status %u)\n",
+               xfer, wa_xfer_id(xfer), seg_idx, usb_status, seg->status);
        if (seg->status == WA_SEG_ABORTED
            || seg->status == WA_SEG_ERROR)     /* already handled */
                goto segment_aborted;