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ide: add a driver-wide debugging macro 

Add __ide_debug_log() debugging macro which is controlled by drive->debug_mask.
The macro has to have the macro DRV_NAME defined in each driver before use.
Also, add different debugging levels depending on the functionality debugged.

Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
This commit is contained in:
Borislav Petkov 2008-10-13 21:39:35 +02:00 committed by Bartlomiej Zolnierkiewicz
parent b22b2ca4ff
commit e1c7c4641a
1 changed files with 20 additions and 0 deletions
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20
include/linux/ide.h
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@ -927,6 +927,26 @@ static inline void ide_proc_unregister_driver(ide_drive_t *drive, ide_driver_t *
#define PROC_IDE_READ_RETURN(page,start,off,count,eof,len) return 0;
#endif
enum {
/* enter/exit functions */
IDE_DBG_FUNC = (1 << 0),
/* sense key/asc handling */
IDE_DBG_SENSE = (1 << 1),
/* packet commands handling */
IDE_DBG_PC = (1 << 2),
/* request handling */
IDE_DBG_RQ = (1 << 3),
/* driver probing/setup */
IDE_DBG_PROBE = (1 << 4),
};
/* DRV_NAME has to be defined in the driver before using the macro below */
#define __ide_debug_log(lvl, fmt, args...) \
{ \
if (unlikely(drive->debug_mask & lvl)) \
printk(KERN_INFO DRV_NAME ": " fmt, ## args); \
}
/*
* Power Management step value (rq->pm->pm_step).
*