drivers/media/platform/samsung/s5p-mfc/s5p_mfc_debug.h

Source file repositories/reference/linux-study-clean/drivers/media/platform/samsung/s5p-mfc/s5p_mfc_debug.h

File Facts

System
Linux kernel
Corpus path
drivers/media/platform/samsung/s5p-mfc/s5p_mfc_debug.h
Extension
.h
Size
1208 bytes
Lines
52
Domain
Driver Families
Bucket
drivers/media
Inferred role
Driver Families: implementation source
Status
source implementation candidate

Why This File Exists

Repeatable hardware-adapter layer. Deep compatibility for every driver is out of scope; this atlas records patterns, probe lifecycles, bus glue, IRQ/DMA usage, and links back to core abstractions.

Dependency Surface

Detected Declarations

Annotated Snippet

#ifndef S5P_MFC_DEBUG_H_
#define S5P_MFC_DEBUG_H_

#define DEBUG

#ifdef DEBUG
extern int mfc_debug_level;

#define mfc_debug(level, fmt, args...)				\
	do {							\
		if (mfc_debug_level >= level)			\
			printk(KERN_DEBUG "%s:%d: " fmt,	\
				__func__, __LINE__, ##args);	\
	} while (0)
#else
#define mfc_debug(level, fmt, args...)
#endif

#define mfc_debug_enter() mfc_debug(5, "enter\n")
#define mfc_debug_leave() mfc_debug(5, "leave\n")

#define mfc_err(fmt, args...)				\
	do {						\
		printk(KERN_ERR "%s:%d: " fmt,		\
		       __func__, __LINE__, ##args);	\
	} while (0)

#define mfc_err_limited(fmt, args...)			\
	do {						\
		printk_ratelimited(KERN_ERR "%s:%d: " fmt,	\
		       __func__, __LINE__, ##args);	\
	} while (0)

#define mfc_info(fmt, args...)				\
	do {						\
		printk(KERN_INFO "%s:%d: " fmt,		\
		       __func__, __LINE__, ##args);	\
	} while (0)

#endif /* S5P_MFC_DEBUG_H_ */

Annotation

Implementation Notes