diff options
| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-30 14:29:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-03-30 14:29:20 -0800 |
| commit | 256414dee44eaa0983f5ab1a71877de23c4e9ce7 (patch) | |
| tree | 770768cdd6ff6324f55fd305cb26109e89322fb0 /drivers/scsi/libata-bmdma.c | |
| parent | 63e8d9114dab88c101be2372cb1f83a4fe74d9c1 (diff) | |
| parent | 55d8ca4f8094246da6e71889a4e04bfafaa78b10 (diff) | |
Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
[PATCH] sata_mv: three bug fixes
[PATCH] libata: ata_dev_init_params() fixes
[PATCH] libata: Fix interesting use of "extern" and also some bracketing
[PATCH] libata: Simplex and other mode filtering logic
[PATCH] libata - ATA is both ATA and CFA
[PATCH] libata: Add ->set_mode hook for odd drivers
[PATCH] libata: BMDMA handling updates
[PATCH] libata: kill trailing whitespace
[PATCH] libata: add FIXME above ata_dev_xfermask()
[PATCH] libata: cosmetic changes in ata_bus_softreset()
[PATCH] libata: kill E.D.D.
Diffstat (limited to 'drivers/scsi/libata-bmdma.c')
| -rw-r--r-- | drivers/scsi/libata-bmdma.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/drivers/scsi/libata-bmdma.c b/drivers/scsi/libata-bmdma.c index 95d81d86d8b..835dff0bafd 100644 --- a/drivers/scsi/libata-bmdma.c +++ b/drivers/scsi/libata-bmdma.c @@ -703,6 +703,7 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int struct ata_probe_ent *probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port[0]); int p = 0; + unsigned long bmdma; if (!probe_ent) return NULL; @@ -716,7 +717,12 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int probe_ent->port[p].altstatus_addr = probe_ent->port[p].ctl_addr = pci_resource_start(pdev, 1) | ATA_PCI_CTL_OFS; - probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4); + bmdma = pci_resource_start(pdev, 4); + if (bmdma) { + if (inb(bmdma + 2) & 0x80) + probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; + probe_ent->port[p].bmdma_addr = bmdma; + } ata_std_ports(&probe_ent->port[p]); p++; } @@ -726,7 +732,13 @@ ata_pci_init_native_mode(struct pci_dev *pdev, struct ata_port_info **port, int probe_ent->port[p].altstatus_addr = probe_ent->port[p].ctl_addr = pci_resource_start(pdev, 3) | ATA_PCI_CTL_OFS; - probe_ent->port[p].bmdma_addr = pci_resource_start(pdev, 4) + 8; + bmdma = pci_resource_start(pdev, 4); + if (bmdma) { + bmdma += 8; + if(inb(bmdma + 2) & 0x80) + probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; + probe_ent->port[p].bmdma_addr = bmdma; + } ata_std_ports(&probe_ent->port[p]); p++; } @@ -740,6 +752,7 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, struct ata_port_info *port, int port_num) { struct ata_probe_ent *probe_ent; + unsigned long bmdma; probe_ent = ata_probe_ent_alloc(pci_dev_to_dev(pdev), port); if (!probe_ent) @@ -766,8 +779,13 @@ static struct ata_probe_ent *ata_pci_init_legacy_port(struct pci_dev *pdev, break; } - probe_ent->port[0].bmdma_addr = - pci_resource_start(pdev, 4) + 8 * port_num; + bmdma = pci_resource_start(pdev, 4); + if (bmdma != 0) { + bmdma += 8 * port_num; + probe_ent->port[0].bmdma_addr = bmdma; + if (inb(bmdma + 2) & 0x80) + probe_ent->host_set_flags |= ATA_HOST_SIMPLEX; + } ata_std_ports(&probe_ent->port[0]); return probe_ent; |