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[PATCH] ide: clean up the garbage in eighty_ninty_three

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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>
This commit is contained in:
Alan Cox 2005-09-13 01:25:04 -07:00 committed by Linus Torvalds
parent c352ec8ab8
commit d7d7634c0f
1 changed files with 6 additions and 35 deletions
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41
drivers/ide/ide-iops.c
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@ -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) &&
if(!(drive->id->hw_config & 0x4000))
return 0;
#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) &&
#endif /* CONFIG_IDEDMA_IVB */
(drive->id->hw_config & 0x6000)) ? 1 : 0);
#endif
return 1;
}
EXPORT_SYMBOL(eighty_ninty_three);