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Commit 9edc91df authored by Rene Herman's avatar Rene Herman Committed by Linus Torvalds
Browse files

[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: default avatarBartlomiej Zolnierkiewicz <B.Zolnierkiewicz@elka.pw.edu.pl>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent f5b95ff0

drivers/ide/pci/amd74xx.c

+2 −6
Original line number Diff line number Diff line
@@ -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;

	}