Revert "pata_atiixp: Don't use unconnected secondary port on SB600/SB…

…700"

This reverts commit 5946fda.

The original commit's assumption that the secondary port is
unconnected turns out to be false.

Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Markku Pesonen <tourula@gmail.com>
Fixes: 5946fda ("pata_atiixp: Don't use unconnected secondary port on SB600/SB700")
Cc: Darren Stevens <darren@stevens-zone.net>

drivers/ata/pata_atiixp.c

@@ -278,11 +278,6 @@ 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);
 }