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[PATCH] Old IDE, fix SATA detection for cabling

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This is based on the proposed patches flying around but also checks that
the device in question is new enough to have word 93 rather thanb blindly
assuming word 93 == 0 means SATA (see ATA-5, ATA-7)

Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Alan Cox 2006-06-28 04:26:58 -07:00 committed by Linus Torvalds
parent 1e866f0bf8
commit 1a1276e7b6
1 changed files with 4 additions and 0 deletions
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4
drivers/ide/ide-iops.c
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@ -597,6 +597,10 @@ u8 eighty_ninty_three (ide_drive_t *drive)
{
if(HWIF(drive)->udma_four == 0)
return 0;
/* Check for SATA but only if we are ATA5 or higher */
if (drive->id->hw_config == 0 && (drive->id->major_rev_num & 0x7FE0))
return 1;
if (!(drive->id->hw_config & 0x6000))
return 0;
#ifndef CONFIG_IDEDMA_IVB