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authorAlan Cox <alan@lxorguk.ukuu.org.uk>2005-09-13 01:25:04 -0700
committerLinus Torvalds <torvalds@g5.osdl.org>2005-09-13 08:22:28 -0700
commitd7d7634c0f021d7d7ed781680d2c88940fc5fee8 (patch)
tree675463fe87c3c1a4313a39b274cdbeaf5918a797 /drivers/ide
parentc352ec8ab87b065cd2edda171811f49ac7d0d5cd (diff)
downloadop-kernel-dev-d7d7634c0f021d7d7ed781680d2c88940fc5fee8.zip
op-kernel-dev-d7d7634c0f021d7d7ed781680d2c88940fc5fee8.tar.gz
[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>
Diffstat (limited to 'drivers/ide')
-rw-r--r--drivers/ide/ide-iops.c41
1 files changed, 6 insertions, 35 deletions
diff --git a/drivers/ide/ide-iops.c b/drivers/ide/ide-iops.c
index b443b04..0b0aa4f 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);
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