From 8a62dff2c0734a67fefd96742839a6d4bbb2587b Mon Sep 17 00:00:00 2001 From: Mathias Nyman Date: Fri, 30 Aug 2019 16:39:15 +0300 Subject: [PATCH] xhci: add TSP bitflag to TRB tracing Software can set a Transfer State Preserve (TSP) flag to maintain data toggle and sequence number when issuing a reset endpoint command. xhci driver is using TSP for soft retry, we want to show TSP usage in tracing as well Signed-off-by: Mathias Nyman Link: https://lore.kernel.org/r/1567172356-12915-4-git-send-email-mathias.nyman@linux.intel.com Signed-off-by: Greg Kroah-Hartman --- drivers/usb/host/xhci.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index f5c41448d067..f9f88626a57a 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -2337,12 +2337,13 @@ static inline const char *xhci_decode_trb(u32 field0, u32 field1, u32 field2, break; case TRB_RESET_EP: sprintf(str, - "%s: ctx %08x%08x slot %d ep %d flags %c", + "%s: ctx %08x%08x slot %d ep %d flags %c:%c", xhci_trb_type_string(type), field1, field0, TRB_TO_SLOT_ID(field3), /* Macro decrements 1, maybe it shouldn't?!? */ TRB_TO_EP_INDEX(field3) + 1, + field3 & TRB_TSP ? 'T' : 't', field3 & TRB_CYCLE ? 'C' : 'c'); break; case TRB_STOP_RING: -- 2.45.2