On Wed, Apr 25, 2012 at 4:36 PM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > A PCIe downstream port is a P2P bridge. Its secondary interface is > a link that should lead only to device 0 (unless ARI is enabled)[1], so > we don't probe for non-zero device numbers. > > Some Stratus ftServer systems have a PCIe downstream port (02:00.0) that > leads to both an upstream port (03:00.0) and a downstream port (03:01.0), > and 03:01.0 has important devices below it: > > [0000:02]-+-00.0-[0000:03]--+-00.0 > \-01.0-[0000:xx]--+-[USB] > \-[NIC] > > Previously, we didn't enumerate device 03:01.0, so USB and the network > didn't work. This patch adds a DMI quirk to scan all device numbers, > not just 0, below a downstream port. is there output for lspci -vvxxx -s 03:00.0 lspci -vvxxx -s 03:00.1 like to know what is the 03:00.0. Thanks Yinghai -- To unsubscribe from this list: send the line "unsubscribe linux-pci" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html