ide: remove atapi_error_t (take 2)

Remove atapi_error_t.

While at it:
* replace 'HWIF(drive)' by 'drive->hwif'

v2:
* Add {ILI,EOM,LFS}_ERR defines to <linux/hdreg.h>.

Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index df17bf7..0521f12 100644
--- a/include/linux/hdreg.h
+++ b/include/linux/hdreg.h
@@ -44,7 +44,9 @@
 
 /* Bits for HD_ERROR */
 #define MARK_ERR		0x01	/* Bad address mark */
+#define ILI_ERR			0x01	/* Illegal Length Indication (ATAPI) */
 #define TRK0_ERR		0x02	/* couldn't find track 0 */
+#define EOM_ERR			0x02	/* End Of Media (ATAPI) */
 #define ABRT_ERR		0x04	/* Command aborted */
 #define MCR_ERR			0x08	/* media change request */
 #define ID_ERR			0x10	/* ID field not found */
@@ -52,6 +54,7 @@
 #define ECC_ERR			0x40	/* Uncorrectable ECC error */
 #define BBD_ERR			0x80	/* pre-EIDE meaning:  block marked bad */
 #define ICRC_ERR		0x80	/* new meaning:  CRC error during transfer */
+#define LFS_ERR			0xf0	/* Last Failed Sense (ATAPI) */
 
 /* Bits of HD_NSECTOR */
 #define CD			0x01
diff --git a/include/linux/ide.h b/include/linux/ide.h
index 921cf71..0c1b0aa 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -417,36 +417,6 @@
 } atapi_ireason_t;
 
 /*
- * The ATAPI error register.
- *
- * ili		: Illegal Length Indication
- * eom		: End Of Media Detected
- * abrt		: Aborted command - As defined by ATA
- * mcr		: Media Change Requested - As defined by ATA
- * sense_key	: Sense key of the last failed packet command
- */
-typedef union {
-	unsigned all			:8;
-	struct {
-#if defined(__LITTLE_ENDIAN_BITFIELD)
-		unsigned ili		:1;
-		unsigned eom		:1;
-		unsigned abrt		:1;
-		unsigned mcr		:1;
-		unsigned sense_key	:4;
-#elif defined(__BIG_ENDIAN_BITFIELD)
-		unsigned sense_key	:4;
-		unsigned mcr		:1;
-		unsigned abrt		:1;
-		unsigned eom		:1;
-		unsigned ili		:1;
-#else
-#error "Please fix <asm/byteorder.h>"
-#endif
-	} b;
-} atapi_error_t;
-
-/*
  * Status returned from various ide_ functions
  */
 typedef enum {