mirror of https://gitee.com/openkylin/linux.git
[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>
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@ -347,10 +347,8 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
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break;
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case AMD_UDMA_66:
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pci_read_config_dword(dev, AMD_UDMA_TIMING, &u);
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for (i = 24; i >= 0; i -= 8)
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if ((u >> i) & 4)
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amd_80w |= (1 << (1 - (i >> 4)));
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/* no host side cable detection */
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amd_80w = 0x03;
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break;
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}
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@ -386,8 +384,6 @@ static unsigned int __devinit init_chipset_amd74xx(struct pci_dev *dev, const ch
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if (amd_clock < 20000 || amd_clock > 50000) {
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printk(KERN_WARNING "%s: User given PCI clock speed impossible (%d), using 33 MHz instead.\n",
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amd_chipset->name, amd_clock);
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printk(KERN_WARNING "%s: Use ide0=ata66 if you want to assume 80-wire cable\n",
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amd_chipset->name);
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amd_clock = 33333;
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}
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