From 9edc91df07a227dbde9f98ee1097f554130993dc Mon Sep 17 00:00:00 2001
From: Rene Herman <rene.herman@keyaccess.nl>
Date: Tue, 28 Mar 2006 01:56:30 -0800
Subject: [PATCH] [PATCH] ide: AMD756 no host side cable detection
>From http://marc.theaimsgroup.com/?l=linux-kernel&m=110304128900342&w=2
AMD756 doesn't support host side cable detection. Do disk side only and
don't advice obsolete options.
Acked-by: Bartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---
drivers/ide/pci/amd74xx.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)
diff --git a/drivers/ide/pci/amd74xx.c b/drivers/ide/pci/amd74xx.c
index 21965e5ef25e8..b22ee54623183 100644
--- a/drivers/ide/pci/amd74xx.c
+++ b/drivers/ide/pci/amd74xx.c
@@ -347,10 +347,8 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
break;
case AMD_UDMA_66:
- pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
- for (i = 24; i >= 0; i -= 8)
- if ((u >> i) & 4)
- amd_80w |= (1 << (1 - (i >> 4)));
+ /* no host side cable detection */
+ amd_80w = 0x03;
break;
}
@@ -386,8 +384,6 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
if (amd_clock < 20000 || amd_clock > 50000) {
printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n",
amd_chipset->name, amd_clock);
- printk(KERN_WARNING "%s: Use ide0=ata66 if you want to assume 80-wire cable\n",
- amd_chipset->name);
amd_clock = 33333;
}
--
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