[ide] remove some cruft from ide.h

From: Chris Wedgwood <cw@f00f.org>
(minor changes by me - bart)

Remove some accumulated (unused) cruft from ide.h
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>

include/linux/ide.h

@@ -39,7 +39,6 @@
  *
  * REALLY_SLOW_IO can be defined in ide.c and ide-cd.c, if necessary
  */
-#define REALLY_FAST_IO			/* define if ide ports are perfect */
 #define INITIAL_MULT_COUNT	0	/* off=0; on=2,4,8,16,32, etc.. */
 
 #ifndef SUPPORT_SLOW_DATA_PORTS		/* 1 to support slow data ports */
@@ -63,18 +62,6 @@
  
 #define IDE_NO_IRQ		(-1)
 
-/*
- * IDE_DRIVE_CMD is used to implement many features of the hdparm utility
- */
-#define IDE_DRIVE_CMD			99	/* (magic) undef to reduce kernel size*/
-
-#define IDE_DRIVE_TASK			98
-
-/*
- * IDE_DRIVE_TASKFILE is used to implement many features needed for raw tasks
- */
-#define IDE_DRIVE_TASKFILE		97
-
 /*
  *  "No user-serviceable parts" beyond this point  :)
  *****************************************************************************/
@@ -101,13 +88,6 @@ typedef unsigned char	byte;	/* used everywhere */
 
 #define DMA_PIO_RETRY	1	/* retrying in PIO */
 
-/*
- * Ensure that various configuration flags have compatible settings
- */
-#ifdef REALLY_SLOW_IO
-#undef REALLY_FAST_IO
-#endif
-
 #define HWIF(drive)		((ide_hwif_t *)((drive)->hwif))
 #define HWGROUP(drive)		((ide_hwgroup_t *)(HWIF(drive)->hwgroup))
 
@@ -197,10 +177,7 @@ typedef unsigned char	byte;	/* used everywhere */
 /*
  * Some more useful definitions
  */
-#define IDE_MAJOR_NAME	"hd"	/* the same for all i/f; see also genhd.c */
-#define MAJOR_NAME	IDE_MAJOR_NAME
 #define PARTN_BITS	6	/* number of minor dev bits for partitions */
-#define PARTN_MASK	((1<<PARTN_BITS)-1)	/* a useful bit mask */
 #define MAX_DRIVES	2	/* per interface; 2 assumed by lots of code */
 #define SECTOR_SIZE	512
 #define SECTOR_WORDS	(SECTOR_SIZE / 4)	/* number of 32bit words per sector */