tree 96b01aa715b8254f666a037c93eed9d097ea0b74
parent 782b361c93062f083bbc9a78928498218f950399
author Bjorn Helgaas <bhelgaas@google.com> 1482958516 -0600
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1485415477 +0100

x86/PCI: Ignore _CRS on Supermicro X8DTH-i/6/iF/6F

commit 89e9f7bcd8744ea25fcf0ac671b8d72c10d7d790 upstream.

Martin reported that the Supermicro X8DTH-i/6/iF/6F advertises incorrect
host bridge windows via _CRS:

  pci_root PNP0A08:00: host bridge window [io  0xf000-0xffff]
  pci_root PNP0A08:01: host bridge window [io  0xf000-0xffff]

Both bridges advertise the 0xf000-0xffff window, which cannot be correct.

Work around this by ignoring _CRS on this system.  The downside is that we
may not assign resources correctly to hot-added PCI devices (if they are
possible on this system).

Link: https://bugzilla.kernel.org/show_bug.cgi?id=42606
Reported-by: Martin Burnicki <martin.burnicki@meinberg.de>
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>