ide-floppy: add a debug_mask module parameter

... with which to control to verbosity of debug messages on module load time.
Signed-off-by: Borislav Petkov <petkovbb@gmail.com>
[bart: no need to zero debug_mask + move module_param() closer debug_mask]
[bart: init drive->debug_mask in ide_floppy_probe() not in idefloppy_open()]
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

drivers/ide/ide-floppy.c

@@ -49,6 +49,10 @@
 
 #include "ide-floppy.h"
 
+/* module parameters */
+static unsigned long debug_mask;
+module_param(debug_mask, ulong, 0644);
+
 /* define to see debug info */
 #define IDEFLOPPY_DEBUG_LOG	0
 
@@ -889,6 +893,8 @@ static int ide_floppy_probe(ide_drive_t *drive)
 
 	drive->driver_data = floppy;
 
+	drive->debug_mask = debug_mask;
+
 	idefloppy_setup(drive, floppy);
 
 	g->minors = 1 << PARTN_BITS;