On Tue, Apr 15, 2014 at 04:26:39PM +0100, Arnd Bergmann wrote: > On Tuesday 15 April 2014 15:47:35 Will Deacon wrote: > > > We also have discussed some ideas about how to restructure the PCI > > > code layer to make it easier to share host drivers across architectures > > > and clean up the interfaces in the process. > > > > Ok. Whilst this all sounds good from an arm64 perspective (with Liviu > > currently doing the work), it's not clear to me where that leaves my 32-bit > > ARM kvmtool code. That was the main reason for me writing this driver, and it > > seems a shame to have to wait for all the generic code to be sorted out > > before it can be used on AArch32, where there is already a functional > > pcibios implementation. The discussions mention things like generic > > pci_host_bridge_ops, but having that for arch/arm/ doesn't sound like > > something that is imminent. > > > > Of course, I plan to port my driver to the new infrastructure when it lands > > (since I want to support arm64), but it would be good to have something for > > AArch32 in the meantime. > > Agreed. You'll probably have to add a few #ifdef until we have the > infrastructure in place. However, I'd prefer not having to do that for > a lot of other drivers. It's only a matter of time until someone wants > one of the existing arm32 drivers to work on arm64, and we really > shouldn't have to duplicate a lot of #ifdef logic across them, just > to deal with the architectures being different. Ok, cheers Arnd. I'll repost the patches sometime next week. Will -- 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
