usb: cdns3: change trace event cdns3_ring() operation
authorLinyu Yuan <quic_linyyuan@quicinc.com>
Mon, 27 Feb 2023 02:44:07 +0000 (10:44 +0800)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 9 Mar 2023 14:35:03 +0000 (15:35 +0100)
commit195a58cb3617d46f274a8cb47ee151d74d39ce0e
treefca8ab27f20dae3a6ac6b129d58e09341fbe3269
parent180bb831b232b43bbd658dcdb20a49020059c1b8
usb: cdns3: change trace event cdns3_ring() operation

the original design seem have several problems, first during trace event
output stage, cdns3_dbg_ring() still refer to priv_ep->trb_pool which
data content may changed during runtime, second when ring number is
greater than TRBS_PER_SEGMENT, it has no change to show "too big" message,
third in cdns3_log_ring event class definition, it allocate too much trace
event buffer.

change cdns3_dbg_ring() to be called at trace event fast assign time, and
change trace buffer real dynamic according ring numbers.

Signed-off-by: Linyu Yuan <quic_linyyuan@quicinc.com>
Link: https://lore.kernel.org/r/1677465850-1396-2-git-send-email-quic_linyyuan@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/usb/cdns3/cdns3-debug.h
drivers/usb/cdns3/cdns3-trace.h