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/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 7b94c7a..2a37a08 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -772,9 +772,8 @@
 {
 	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);