diff options
| author | Darren Stevens <darren@stevens-zone.net> | 2017-01-23 22:38:28 +0300 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2017-01-23 22:38:30 +0300 |
| commit | 5946fdaee4ba449e8fbb5d403e1ed69437f916e8 (patch) | |
| tree | 919046f322a34f0db8ffcd62ee609310c0d8c1be /drivers/ata/pata_atiixp.c | |
| parent | 589d572671fe7ca342d25cde07a0e310a6912971 (diff) | |
| download | linux-5946fdaee4ba449e8fbb5d403e1ed69437f916e8.tar.xz | |
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>
Diffstat (limited to 'drivers/ata/pata_atiixp.c')
| -rw-r--r-- | drivers/ata/pata_atiixp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/ata/pata_atiixp.c b/drivers/ata/pata_atiixp.c index 49d705c9f0f7..6c9aa95a9a05 100644 --- a/drivers/ata/pata_atiixp.c +++ b/drivers/ata/pata_atiixp.c @@ -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); } |