On Mon, Feb 18, 2008 at 09:39:52PM -0700, Bjorn Helgaas wrote: > There are many implementations of pcibios_enable_resources() that differ > in minor ways that look more like bugs than architectural differences. > This patch series consolidates most of them to use the x86 version. > > This series is for discussion only at this point. I'm interested in > feedback about whether any of the differences are "real" and need to > be preserved. > > ARM and PA-RISC, in particular, have interesting differences: > - ARM always enables bridge devices, which no other arch does ARM does this because there is nothing else which would do that - which means devices behind bridges would be completely inaccessible. > - PA-RISC always turns on SERR and PARITY, which no other arch does ARM also does this, unless pdev_bad_for_parity(dev) is true. See ARMs pcibios_fixup_bus(). > Should other arches do the same thing, or are these somehow related to > ARM and PA-RISC architecture? I suspect they're architecture specific; I wouldn't like to do either on x86, but they're either required or preferred on ARM. -- Russell King Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/ maintainer of: - To unsubscribe from this list: send the line "unsubscribe linux-parisc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
