From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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
Cc: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Signed-off-by: Andrew Morton <akpm@osdl.org>
---
drivers/ide/ide-iops.c | 41 ++++++-----------------------------------
1 files changed, 6 insertions(+), 35 deletions(-)
diff -puN drivers/ide/ide-iops.c~ide-clean-up-the-garbage-in-eighty_ninty_three drivers/ide/ide-iops.c
--- 25/drivers/ide/ide-iops.c~ide-clean-up-the-garbage-in-eighty_ninty_three Mon Aug 29 15:50:03 2005
+++ 25-akpm/drivers/ide/ide-iops.c Mon Aug 29 15:50:03 2005
@@ -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);
_