Commit f09d24aa authored by Linyu Yuan's avatar Linyu Yuan Committed by Greg Kroah-Hartman
Browse files

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: default avatarLinyu Yuan <quic_linyyuan@quicinc.com>
Acked-by: default avatarThinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/1677465850-1396-4-git-send-email-quic_linyyuan@quicinc.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 47ebfd60

drivers/usb/dwc3/trace.h

+2 −4
Original line number Diff line number Diff line
@@ -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)