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Commit 5946fdae authored by Darren Stevens's avatar Darren Stevens Committed by Tejun Heo
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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: default avatarDarren Stevens <darren@stevens-zone.net>
Signed-off-by: default avatarTejun Heo <tj@kernel.org>
parent 589d5726

drivers/ata/pata_atiixp.c

+5 −0
Original line number Diff line number Diff line
@@ -278,6 +278,11 @@ static int atiixp_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 
	};

	const struct ata_port_info *ppi[] = { &info, &info };



	/* SB600/700 don't have secondary port wired */

	if ((pdev->device == PCI_DEVICE_ID_ATI_IXP600_IDE) ||

		(pdev->device == PCI_DEVICE_ID_ATI_IXP700_IDE))

		ppi[1] = &ata_dummy_port_info;



	return ata_pci_bmdma_init_one(pdev, ppi, &atiixp_sht, NULL,

				      ATA_HOST_PARALLEL_SCAN);

}