usb: dwc3: change some trace event __dynamic_array() to __get_buf()

some __dynamic_array() buffer will only used at trace event output time,
change to __get_buf() which will allocate tempary trace seq buffer for
output purpose.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/1677465850-1396-4-git-send-email-quic_linyyuan@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/trace.h b/drivers/usb/dwc3/trace.h
index 1975aec..d2997d1 100644 (file)
--- a/drivers/usb/dwc3/trace.h
+++ b/drivers/usb/dwc3/trace.h
@@ -54,14 +54,13 @@ DECLARE_EVENT_CLASS(dwc3_log_event,
        TP_STRUCT__entry(
                __field(u32, event)
                __field(u32, ep0state)
-               __dynamic_array(char, str, DWC3_MSG_MAX)
        ),
        TP_fast_assign(
                __entry->event = event;
                __entry->ep0state = dwc->ep0state;
        ),
        TP_printk("event (%08x): %s", __entry->event,
-                       dwc3_decode_event(__get_str(str), DWC3_MSG_MAX,
+                       dwc3_decode_event(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
                                        __entry->event, __entry->ep0state))
 );
 
@@ -79,7 +78,6 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
                __field(__u16, wValue)
                __field(__u16, wIndex)
                __field(__u16, wLength)
-               __dynamic_array(char, str, DWC3_MSG_MAX)
        ),
        TP_fast_assign(
                __entry->bRequestType = ctrl->bRequestType;
@@ -88,7 +86,7 @@ DECLARE_EVENT_CLASS(dwc3_log_ctrl,
                __entry->wIndex = le16_to_cpu(ctrl->wIndex);
                __entry->wLength = le16_to_cpu(ctrl->wLength);
        ),
-       TP_printk("%s", usb_decode_ctrl(__get_str(str), DWC3_MSG_MAX,
+       TP_printk("%s", usb_decode_ctrl(__get_buf(DWC3_MSG_MAX), DWC3_MSG_MAX,
                                        __entry->bRequestType,
                                        __entry->bRequest, __entry->wValue,
                                        __entry->wIndex, __entry->wLength)