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a155-U-u1/kernel-5.10/drivers/misc/mediatek/usb20/musb_debug.h
2024-03-11 06:53:12 +11:00

79 lines
1.8 KiB
C

/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright (C) 2017 MediaTek Inc.
*/
#ifndef __MUSB_LINUX_DEBUG_H__
#define __MUSB_LINUX_DEBUG_H__
extern struct musb *musb;
#define yprintk(facility, format, args...) \
pr_notice("[MUSB]%s %d: " format, \
__func__, __LINE__, ## args)
/* workaroud for redefine warning in usb_dump.c */
#ifdef WARNING
#undef WARNING
#endif
#ifdef INFO
#undef INFO
#endif
#ifdef ERR
#undef ERR
#endif
#define WARNING(fmt, args...) yprintk(KERN_WARNING, fmt, ## args)
#define INFO(fmt, args...) yprintk(KERN_INFO, fmt, ## args)
#define ERR(fmt, args...) yprintk(KERN_ERR, fmt, ## args)
#define xprintk(level, format, args...) do { \
if (_dbg_level(level)) { \
if (musb_uart_debug) {\
pr_notice("[MUSB]%s %d: " format, \
__func__, __LINE__, ## args); \
} \
else {\
pr_debug("[MUSB]%s %d: " format, \
__func__, __LINE__, ## args); \
} \
} } while (0)
extern unsigned int musb_debug;
extern unsigned int musb_debug_limit;
extern unsigned int musb_uart_debug;
extern unsigned int musb_speed;
static inline int _dbg_level(unsigned int level)
{
return level <= musb_debug;
}
#ifdef DBG
#undef DBG
#endif
#define DBG(level, fmt, args...) xprintk(level, fmt, ## args)
#define DBG_LIMIT(FREQ, fmt, args...) do {\
static DEFINE_RATELIMIT_STATE(ratelimit, HZ, FREQ);\
static int skip_cnt;\
\
if (unlikely(!musb_debug_limit))\
DBG(0, fmt "<unlimit>\n", ## args);\
else { \
if (__ratelimit(&ratelimit)) {\
DBG(0, fmt ", skip_cnt<%d>\n", ## args, skip_cnt);\
skip_cnt = 0;\
} else\
skip_cnt++;\
} \
} while (0)\
/* extern const char *otg_state_string(struct musb *); */
extern int musb_init_debugfs(struct musb *musb) __attribute__((weak));
extern void musb_exit_debugfs(struct musb *musb) __attribute__((weak));
extern void musb_dr_debugfs_init(struct musb *musb);
#endif /* __MUSB_LINUX_DEBUG_H__ */