Russell, On Wed, 30 Jan 2013 11:32:46 +0000, Russell King - ARM Linux wrote: > You do realise that this will result in all PCI I/O BARs being rounded > up to 64K. Hum, yes, correct. > I've just been digging through the PCI code and have come across a > function - pcibios_window_alignment() - which the PCI code allows to be > overriden which allows you to increase the alignment requirement of > bridge windows. It takes the PCI bus and window type as arguments. > > I'd suggest using that, and checking whether the bus which is passed > corresponds with a bus which gives you problems, so that you don't > impose the 64K requirement on downstream bridges. Seems interesting indeed, I'll look into this idea! Thanks! Thomas -- Thomas Petazzoni, Free Electrons Kernel, drivers, real-time and embedded Linux development, consulting, training and support. http://free-electrons.com -- 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
