From: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
If we just provide a helper to convert completion code to string, we can
combine all debugging messages into a single print.
[keep the old debug messages, for warn and grep -Mathias]
Signed-off-by: Felipe Balbi <felipe.balbi@xxxxxxxxxxxxxxx>
Signed-off-by: Mathias Nyman <mathias.nyman@xxxxxxxxxxxxxxx>
---
drivers/usb/host/xhci.h | 80 +++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 80 insertions(+)
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index aa63e38..ebdd920 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -1097,6 +1097,86 @@ struct xhci_transfer_event {
#define COMP_SECONDARY_BANDWIDTH_ERROR 35
#define COMP_SPLIT_TRANSACTION_ERROR 36
+static inline const char *xhci_trb_comp_code_string(u8 status)
+{
+ switch (status) {
+ case COMP_INVALID:
+ return "Invalid";
+ case COMP_SUCCESS:
+ return "Success";
+ case COMP_DATA_BUFFER_ERROR:
+ return "Data Buffer Error";
+ case COMP_BABBLE_DETECTED_ERROR:
+ return "Babble Detected";
+ case COMP_USB_TRANSACTION_ERROR:
+ return "USB Transaction Error";
+ case COMP_TRB_ERROR:
+ return "TRB Error";
+ case COMP_STALL_ERROR:
+ return "Stall Error";
+ case COMP_RESOURCE_ERROR:
+ return "Resource Error";
+ case COMP_BANDWIDTH_ERROR:
+ return "Bandwidth Error";
+ case COMP_NO_SLOTS_AVAILABLE_ERROR:
+ return "No Slots Available Error";
+ case COMP_INVALID_STREAM_TYPE_ERROR:
+ return "Invalid Stream Type Error";
+ case COMP_SLOT_NOT_ENABLED_ERROR:
+ return "Slot Not Enabled Error";
+ case COMP_ENDPOINT_NOT_ENABLED_ERROR:
+ return "Endpoint Not Enabled Error";
+ case COMP_SHORT_PACKET:
+ return "Short Packet";
+ case COMP_RING_UNDERRUN:
+ return "Ring Underrun";
+ case COMP_RING_OVERRUN:
+ return "Ring Overrun";
+ case COMP_VF_EVENT_RING_FULL_ERROR:
+ return "VF Event Ring Full Error";
+ case COMP_PARAMETER_ERROR:
+ return "Parameter Error";
+ case COMP_BANDWIDTH_OVERRUN_ERROR:
+ return "Bandwidth Overrun Error";
+ case COMP_CONTEXT_STATE_ERROR:
+ return "Context State Error";
+ case COMP_NO_PING_RESPONSE_ERROR:
+ return "No Ping Response Error";
+ case COMP_EVENT_RING_FULL_ERROR:
+ return "Event Ring Full Error";
+ case COMP_INCOMPATIBLE_DEVICE_ERROR:
+ return "Incompatible Device Error";
+ case COMP_MISSED_SERVICE_ERROR:
+ return "Missed Service Error";
+ case COMP_COMMAND_RING_STOPPED:
+ return "Command Ring Stopped";
+ case COMP_COMMAND_ABORTED:
+ return "Command Aborted";
+ case COMP_STOPPED:
+ return "Stopped";
+ case COMP_STOPPED_LENGTH_INVALID:
+ return "Stopped - Length Invalid";
+ case COMP_STOPPED_SHORT_PACKET:
+ return "Stopped - Short Packet";
+ case COMP_MAX_EXIT_LATENCY_TOO_LARGE_ERROR:
+ return "Max Exit Latency Too Large Error";
+ case COMP_ISOCH_BUFFER_OVERRUN:
+ return "Isoch Buffer Overrun";
+ case COMP_EVENT_LOST_ERROR:
+ return "Event Lost Error";
+ case COMP_UNDEFINED_ERROR:
+ return "Undefined Error";
+ case COMP_INVALID_STREAM_ID_ERROR:
+ return "Invalid Stream ID Error";
+ case COMP_SECONDARY_BANDWIDTH_ERROR:
+ return "Secondary Bandwidth Error";
+ case COMP_SPLIT_TRANSACTION_ERROR:
+ return "Split Transaction Error";
+ default:
+ return "Unknown!!";
+ }
+}
+
struct xhci_link_trb {
/* 64-bit segment pointer*/
__le64 segment_ptr;
--
1.9.1
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