diff options
Diffstat (limited to 'sys/dev')
| -rw-r--r-- | sys/dev/ahci/ahci.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/sys/dev/ahci/ahci.c b/sys/dev/ahci/ahci.c index 2d21c0506e10..459aa64a4654 100644 --- a/sys/dev/ahci/ahci.c +++ b/sys/dev/ahci/ahci.c @@ -254,6 +254,10 @@ ahci_probe(device_t dev) for (i = 0; ahci_ids[i].id != 0; i++) { if (ahci_ids[i].id == devid && (valid || !(ahci_ids[i].quirks & AHCI_Q_NOFORCE))) { + /* Do not attach JMicrons with single PCI function. */ + if (pci_get_vendor(dev) == 0x197b && + (pci_read_config(dev, 0xdf, 1) & 0x40) == 0) + return (ENXIO); snprintf(buf, sizeof(buf), "%s AHCI SATA controller", ahci_ids[i].name); device_set_desc_copy(dev, buf); |