forked from luck/tmp_suning_uos_patched
pata_atiixp: Don't use unconnected secondary port on SB600/SB700
The SB600 and SB700 southbridge chips from ATI/AMD only have connections for the primary IDE port. As these chips have unique pci device ID's use these to mark the secondary port as 'dummy' Signed-off-by: Darren Stevens <darren@stevens-zone.net> Signed-off-by: Tejun Heo <tj@kernel.org>
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@ -278,6 +278,11 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
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};
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const struct ata_port_info *ppi[] = { &info, &info };
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/* SB600/700 don't have secondary port wired */
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if ((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE) ||
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(pdev->device == PCI_DEVICE_ID_ATI_IXP700_IDE))
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ppi[1] = &ata_dummy_port_info;
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return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL,
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ATA_HOST_PARALLEL_SCAN);
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}
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