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| author | Mathias Nyman <mathias.nyman@linux.intel.com> | 2017-08-16 14:23:24 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-16 15:26:26 -0700 |
| commit | 8ca1358bd9b1c7a98c8f3210c1aaa2577975a389 (patch) | |
| tree | 1804f3a6ed0176bf76b1bd11a822e84f88b53ea0 /drivers/usb/host/xhci-trace.h | |
| parent | 76a0f32b28d4e2485a37ddce8d045d8819c6cfbf (diff) | |
| download | lwn-8ca1358bd9b1c7a98c8f3210c1aaa2577975a389.tar.gz lwn-8ca1358bd9b1c7a98c8f3210c1aaa2577975a389.zip | |
xhci: add port status tracing
Track the port status in a human readble way each time we get a
port status change event
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/xhci-trace.h')
| -rw-r--r-- | drivers/usb/host/xhci-trace.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/usb/host/xhci-trace.h b/drivers/usb/host/xhci-trace.h index 8ce96de10e8a..f20753b99624 100644 --- a/drivers/usb/host/xhci-trace.h +++ b/drivers/usb/host/xhci-trace.h @@ -453,6 +453,29 @@ DEFINE_EVENT(xhci_log_ring, xhci_inc_deq, TP_PROTO(struct xhci_ring *ring), TP_ARGS(ring) ); + +DECLARE_EVENT_CLASS(xhci_log_portsc, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc), + TP_STRUCT__entry( + __field(u32, portnum) + __field(u32, portsc) + ), + TP_fast_assign( + __entry->portnum = portnum; + __entry->portsc = portsc; + ), + TP_printk("port-%d: %s", + __entry->portnum, + xhci_decode_portsc(__entry->portsc) + ) +); + +DEFINE_EVENT(xhci_log_portsc, xhci_handle_port_status, + TP_PROTO(u32 portnum, u32 portsc), + TP_ARGS(portnum, portsc) +); + #endif /* __XHCI_TRACE_H */ /* this part must be outside header guard */ |