[PATCH] ide: clean up the garbage in eighty_ninty_three

Replace the foot long pile of festering garbage in eighty_ninty_three with
some actual clean code.  All the ifdefs are fixed and havent changed since
2.4

Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 6 insertions, 35 deletions

diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b443b04a4c5a..0b0aa4f51628 100644
--- a/drivers/ide/ide-iops.c
+++ b/drivers/ide/ide-iops.c
@@ -601,44 +601,15 @@ EXPORT_SYMBOL(ide_wait_stat);
  */
 u8 eighty_ninty_three (ide_drive_t *drive)
 {
-#if 0
-        if (!HWIF(drive)->udma_four)
+        if(HWIF(drive)->udma_four == 0)
+                return 0;
+        if (!(drive->id->hw_config & 0x6000))
                 return 0;
-
-        if (drive->id->major_rev_num) {
-                int hssbd = 0;
-                int i;
-                /*
-                 * Determine highest Supported SPEC
-                 */
-                for (i=1; i<=15; i++)
-                        if (drive->id->major_rev_num & (1<<i))
-                                hssbd++;
-
-                switch (hssbd) {
-                        case 7:
-                        case 6:
-                        case 5:
-                /* ATA-4 and older do not support above Ultra 33 */
-                        default:
-                                return 0;
-                }
-        }
-
-        return ((u8) (
-#ifndef CONFIG_IDEDMA_IVB
-                (drive->id->hw_config & 0x4000) &&
-#endif /* CONFIG_IDEDMA_IVB */
-                 (drive->id->hw_config & 0x6000)) ? 1 : 0);
-
-#else
-
-        return ((u8) ((HWIF(drive)->udma_four) &&
 #ifndef CONFIG_IDEDMA_IVB
-                        (drive->id->hw_config & 0x4000) &&
+        if(!(drive->id->hw_config & 0x4000))
+                return 0;
 #endif /* CONFIG_IDEDMA_IVB */
-                        (drive->id->hw_config & 0x6000)) ? 1 : 0);
-#endif
+        return 1;
 }
 
 EXPORT_SYMBOL(eighty_ninty_three);