On Fri, Feb 26, 2016 at 09:58:42AM -0600, Bjorn Helgaas wrote: > Hi guys, > > Here's a proposal for dealing with these devices that have non-BAR > registers where BARs are supposed to be. The idea is to: > > - have an early quirk mark these devices, > - disable IO & MEM decoding so the devices don't consume address space > we don't know about, and > - skip BAR sizing (so the struct resources stay zeroed out) > > This is basically a modification of what Andi originally proposed. The > difference here is that we never touch the BAR at all, and we don't have to > add any struct resource flags, so we don't have to worry about changing any > consumers of the struct resources. > > Let me know what you think. I tested the patch on Broadwell and it avoids the Firmware Bug messages. Tested-by: Andi Kleen <ak@xxxxxxxxxxxxxxx> -Andi -- 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
