Add more debug to print queued transfers, show control intentions and
modify an existing message to hexify address output.
Signed-off-by: Matt Evans <m...@ozlabs.org>
---
drivers/usb/host/xhci-dbg.c | 2 +-
drivers/usb/host/xhci-hub.c | 3 +++
drivers/usb/host/xhci-ring.c | 5 +++++
3 files changed, 9 insertions(+), 1 deletions(-)
diff --git a/drivers/usb/host/xhci-dbg.c b/drivers/usb/host/xhci-dbg.c
index 2e04861..905f3bf 100644
--- a/drivers/usb/host/xhci-dbg.c
+++ b/drivers/usb/host/xhci-dbg.c
@@ -278,7 +278,7 @@ void xhci_debug_trb(struct xhci_hcd *xhci, union xhci_trb
*trb)
* FIXME: look at flags to figure out if it's an address or if
* the data is directly in the buffer field.
*/
- xhci_dbg(xhci, "DMA address or buffer contents= %llu\n",
address);
+ xhci_dbg(xhci, "DMA address or buffer contents= 0x%llx\n",
address);
break;
case TRB_TYPE(TRB_COMPLETION):
address = le64_to_cpu(trb->event_cmd.cmd_trb);
diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c
index ae1d24c..768fd6e 100644
--- a/drivers/usb/host/xhci-hub.c
+++ b/drivers/usb/host/xhci-hub.c
@@ -389,6 +389,9 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16
wValue,
}
bus_state = &xhci->bus_state[hcd_index(hcd)];
+ xhci_dbg(xhci, "%s(%04x, %04x, %04x, %p, %04x);\n", __func__,
+ typeReq, wValue, wIndex, buf, wLength);
+
spin_lock_irqsave(&xhci->lock, flags);
switch (typeReq) {
case GetHubStatus:
diff --git a/drivers/usb/host/xhci-ring.c b/drivers/usb/host/xhci-ring.c
index 3898f22..45f3b77 100644
--- a/drivers/usb/host/xhci-ring.c
+++ b/drivers/usb/host/xhci-ring.c
@@ -2336,6 +2336,11 @@ static void queue_trb(struct xhci_hcd *xhci, struct
xhci_ring *ring,
trb->field[1] = cpu_to_le32(field2);
trb->field[2] = cpu_to_le32(field3);
trb->field[3] = cpu_to_le32(field4);
+
+ xhci_dbg(xhci, "queue_trb @%llx %08x %08x %08x %08x\n",
+ xhci_trb_virt_to_dma(ring->enq_seg, ring->enqueue),
+ le32_to_cpu(trb->field[0]), le32_to_cpu(trb->field[1]),
+ le32_to_cpu(trb->field[2]), le32_to_cpu(trb->field[3]));
inc_enq(xhci, ring, consumer, more_trbs_coming);
}
--
1.7.0.4
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