linux/drivers/usb/mtu3/mtu3_trace.c
Chunfeng Yun 83374e035b usb: mtu3: add tracepoints to help debug
This patch implements a few initial tracepoints for the
mtu3 driver. More traces can be added as necessary in order
to ease the task of debugging.

Signed-off-by: Chunfeng Yun <chunfeng.yun@mediatek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-03-26 16:40:14 +09:00

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427 B
C

// SPDX-License-Identifier: GPL-2.0
/**
* mtu3_trace.c - trace support
*
* Copyright (C) 2019 MediaTek Inc.
*
* Author: Chunfeng Yun <chunfeng.yun@mediatek.com>
*/
#define CREATE_TRACE_POINTS
#include "mtu3_trace.h"
void mtu3_dbg_trace(struct device *dev, const char *fmt, ...)
{
struct va_format vaf;
va_list args;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
trace_mtu3_log(dev, &vaf);
va_end(args);
}