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@xxxxxxxxx>
---
include/linux/ide.h | 20 ++++++++++++++++++++
1 files changed, 20 insertions(+), 0 deletions(-)
diff --git a/include/linux/ide.h b/include/linux/ide.h
index c161840..b6d714d 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -925,6 +925,26 @@ 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).
*
--
1.5.5.4
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