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| author | Alan Cox <alan@lxorguk.ukuu.org.uk> | 2005-09-13 01:25:04 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2005-09-13 08:22:28 -0700 |
| commit | d7d7634c0f021d7d7ed781680d2c88940fc5fee8 (patch) | |
| tree | 675463fe87c3c1a4313a39b274cdbeaf5918a797 /drivers/ide | |
| parent | c352ec8ab87b065cd2edda171811f49ac7d0d5cd (diff) | |
| download | op-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.c | 41 |
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); |
