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Diffstat (limited to 'linux/dev/drivers/block/ahci.c')
| -rw-r--r-- | linux/dev/drivers/block/ahci.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/linux/dev/drivers/block/ahci.c b/linux/dev/drivers/block/ahci.c index f67ba2f..b60f1a1 100644 --- a/linux/dev/drivers/block/ahci.c +++ b/linux/dev/drivers/block/ahci.c @@ -861,6 +861,21 @@ static void ahci_probe_dev(unsigned char bus, unsigned char device) return; } +#ifdef CONFIG_BLK_DEV_IDE + /* OK, we will handle it. Disable probing on legacy IDE ports it may have. */ + for (i = 0; i < 6; i++) + { + unsigned mybar; + if (pcibios_read_config_dword(bus, device, PCI_BASE_ADDRESS_0 + i*4, &mybar) == PCIBIOS_SUCCESSFUL) { + if (!(bar & PCI_BASE_ADDRESS_SPACE_IO)) + /* Memory, don't care */ + continue; + /* printk("ahci: %02x:%02x.%x: BAR %d is %x\n", bus, dev, fun, i, mybar); */ + ide_disable_base(bar & PCI_BASE_ADDRESS_IO_MASK); + } + } +#endif + nports = (readl(&ahci_host->cap) & 0x1f) + 1; port_map = readl(&ahci_host->pi); |