summaryrefslogtreecommitdiff
path: root/drivers/usb/host
diff options
context:
space:
mode:
authorFelipe Balbi <felipe.balbi@linux.intel.com>2017-04-07 17:56:58 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2017-04-08 13:17:41 +0300
commit5d062aba0d399c57e2d793603d6e372adb09b4d7 (patch)
tree65bf0c6e4b40fd788368d4931ee3e30ee269c02a /drivers/usb/host
parent19a7d0d65c4a813069f4bc4ca701d6a163c337e9 (diff)
downloadlinux-5d062aba0d399c57e2d793603d6e372adb09b4d7.tar.xz
usb: host: xhci: fix up Control Transfer TRB decoder
Format for each TRB in each control transfer stage differs. Let's make sure we correctly pretty print these fields to avoid confusion. Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com> Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/host')
-rw-r--r--drivers/usb/host/xhci.h59
1 files changed, 37 insertions, 22 deletions
diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h
index cf79c1fd24be..52153e1b3bf5 100644
--- a/drivers/usb/host/xhci.h
+++ b/drivers/usb/host/xhci.h
@@ -2217,31 +2217,46 @@ static inline const char *xhci_decode_trb(u32 field0, u32 field1, u32 field2,
break;
case TRB_SETUP:
- sprintf(str,
- "bRequestType %02x bRequest %02x wValue %02x%02x wIndex %02x%02x wLength %d length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c:%c",
- field0 & 0xff,
- (field0 & 0xff00) >> 8,
- (field0 & 0xff000000) >> 24,
- (field0 & 0xff0000) >> 16,
- (field1 & 0xff00) >> 8,
- field1 & 0xff,
- (field1 & 0xff000000) >> 16 |
- (field1 & 0xff0000) >> 16,
- TRB_LEN(field2), GET_TD_SIZE(field2),
- GET_INTR_TARGET(field2),
- xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
- field3 & TRB_BEI ? 'B' : 'b',
- field3 & TRB_IDT ? 'I' : 'i',
- field3 & TRB_IOC ? 'I' : 'i',
- field3 & TRB_CHAIN ? 'C' : 'c',
- field3 & TRB_NO_SNOOP ? 'S' : 's',
- field3 & TRB_ISP ? 'I' : 'i',
- field3 & TRB_ENT ? 'E' : 'e',
- field3 & TRB_CYCLE ? 'C' : 'c');
+ sprintf(str, "bRequestType %02x bRequest %02x wValue %02x%02x wIndex %02x%02x wLength %d length %d TD size %d intr %d type '%s' flags %c:%c:%c",
+ field0 & 0xff,
+ (field0 & 0xff00) >> 8,
+ (field0 & 0xff000000) >> 24,
+ (field0 & 0xff0000) >> 16,
+ (field1 & 0xff00) >> 8,
+ field1 & 0xff,
+ (field1 & 0xff000000) >> 16 |
+ (field1 & 0xff0000) >> 16,
+ TRB_LEN(field2), GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_IDT ? 'I' : 'i',
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CYCLE ? 'C' : 'c');
break;
- case TRB_NORMAL:
case TRB_DATA:
+ sprintf(str, "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c:%c:%c:%c",
+ field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_IDT ? 'I' : 'i',
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_NO_SNOOP ? 'S' : 's',
+ field3 & TRB_ISP ? 'I' : 'i',
+ field3 & TRB_ENT ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
case TRB_STATUS:
+ sprintf(str, "Buffer %08x%08x length %d TD size %d intr %d type '%s' flags %c:%c:%c:%c",
+ field1, field0, TRB_LEN(field2), GET_TD_SIZE(field2),
+ GET_INTR_TARGET(field2),
+ xhci_trb_type_string(TRB_FIELD_TO_TYPE(field3)),
+ field3 & TRB_IOC ? 'I' : 'i',
+ field3 & TRB_CHAIN ? 'C' : 'c',
+ field3 & TRB_ENT ? 'E' : 'e',
+ field3 & TRB_CYCLE ? 'C' : 'c');
+ break;
+ case TRB_NORMAL:
case TRB_ISOC:
case TRB_EVENT_DATA:
case TRB_TR_NOOP: