On Sat, Feb 7, 2015 at 6:14 AM, Bjorn Helgaas <bhelgaas@xxxxxxxxxx> wrote: > The BIOS sets the BAR. Why does the device work when the BIOS sets > the BAR but not when Linux does? If you reset the firmware with disable/enable pcie link, the new BAR will work. ... > > > This is pretty ugly. Do you have evidence that *all* LSI devices have > an issue like this? I hit the problem when I was working on pci bus number allocation ... all lsi cards that I touch including the ones that use mpt2sas and megaraid_sas have this problem. I guess they are sharing some core code in the firmware. > > Can you use the usual quirk style rather than polluting common code > paths like this? > > There's an IORESOURCE_PCI_FIXED flag that might be useful in this situation. > Let me check if i can have that work when pci=realloc is passed via command. 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
