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

JIRA: https://issues.redhat.com/browse/RHEL-13058

commit f09d24aa463c51672ff37462fed17eff824b8b18
Author: Linyu Yuan <quic_linyyuan@quicinc.com>
Date: Mon, 27 Feb 2023 10:44:09 +0800

  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>

Signed-off-by: Desnes Nunes <desnesn@redhat.com>
This commit is contained in:
Desnes Nunes 2023-10-27 10:38:29 -03:00
parent 0e13d04e5b
commit 227c665cca
1 changed files with 2 additions and 4 deletions
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6
drivers/usb/dwc3/trace.h
View File

@ -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)