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>

5 files changed, 15 insertions, 45 deletions

diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 7b94c7aff256..2a37a08ddd57 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -772,9 +772,8 @@ static void idefloppy_retry_pc (ide_drive_t *drive)
 {
         idefloppy_pc_t *pc;
         struct request *rq;
-        atapi_error_t error;
 
-        error.all = HWIF(drive)->INB(IDE_ERROR_REG);
+        (void)drive->hwif->INB(IDE_ERROR_REG);
         pc = idefloppy_next_pc_storage(drive);
         rq = idefloppy_next_rq_storage(drive);
         idefloppy_create_request_sense_cmd(pc);
diff --git a/drivers/ide/ide-lib.c b/drivers/ide/ide-lib.c
index dc7e539b4d0b..562f5efae9c6 100644
--- a/drivers/ide/ide-lib.c
+++ b/drivers/ide/ide-lib.c
@@ -562,9 +562,8 @@ static u8 ide_dump_ata_status(ide_drive_t *drive, const char *msg, u8 stat)
 static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
 {
         unsigned long flags;
-        atapi_error_t error;
+        u8 err = 0;
 
-        error.all = 0;
         local_irq_save(flags);
         printk("%s: %s: status=0x%02x { ", drive->name, msg, stat);
         if (stat & BUSY_STAT)
@@ -580,19 +579,19 @@ static u8 ide_dump_atapi_status(ide_drive_t *drive, const char *msg, u8 stat)
         }
         printk("}\n");
         if ((stat & (BUSY_STAT|ERR_STAT)) == ERR_STAT) {
-                error.all = HWIF(drive)->INB(IDE_ERROR_REG);
-                printk("%s: %s: error=0x%02x { ", drive->name, msg, error.all);
-                if (error.b.ili)        printk("IllegalLengthIndication ");
-                if (error.b.eom)        printk("EndOfMedia ");
-                if (error.b.abrt)       printk("AbortedCommand ");
-                if (error.b.mcr)        printk("MediaChangeRequested ");
-                if (error.b.sense_key)  printk("LastFailedSense=0x%02x ",
-                                                error.b.sense_key);
+                err = drive->hwif->INB(IDE_ERROR_REG);
+                printk("%s: %s: error=0x%02x { ", drive->name, msg, err);
+                if (err & ILI_ERR)      printk("IllegalLengthIndication ");
+                if (err & EOM_ERR)      printk("EndOfMedia ");
+                if (err & ABRT_ERR)     printk("AbortedCommand ");
+                if (err & MCR_ERR)      printk("MediaChangeRequested ");
+                if (err & LFS_ERR)      printk("LastFailedSense=0x%02x ",
+                                                (err & LFS_ERR) >> 4);
                 printk("}\n");
         }
         ide_dump_opcode(drive);
         local_irq_restore(flags);
-        return error.all;
+        return err;
 }
 
 /**
diff --git a/drivers/ide/ide-tape.c b/drivers/ide/ide-tape.c
index c91039505436..2c03f469f06e 100644
--- a/drivers/ide/ide-tape.c
+++ b/drivers/ide/ide-tape.c
@@ -1808,9 +1808,8 @@ static ide_startstop_t idetape_retry_pc (ide_drive_t *drive)
         idetape_tape_t *tape = drive->driver_data;
         idetape_pc_t *pc;
         struct request *rq;
-        atapi_error_t error;
 
-        error.all = HWIF(drive)->INB(IDE_ERROR_REG);
+        (void)drive->hwif->INB(IDE_ERROR_REG);
         pc = idetape_next_pc_storage(drive);
         rq = idetape_next_rq_storage(drive);
         idetape_create_request_sense_cmd(pc);
diff --git a/include/linux/hdreg.h b/include/linux/hdreg.h
index df17bf767d98..0521f1234f15 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 921cf717f22a..0c1b0aaa2865 100644
--- a/include/linux/ide.h
+++ b/include/linux/ide.h
@@ -417,36 +417,6 @@ typedef union {
 } 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 {