Messages in this thread | | | Date | Fri, 21 Nov 2014 19:57:01 +0800 | From | Yijing Wang <> | Subject | Re: Removal of bus->msi assignment breaks MSI with stacked domains |
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在 2014/11/21 18:11, Marc Zyngier 写道: > On 21/11/14 01:22, Yijing Wang wrote: >> On 2014/11/21 0:31, Marc Zyngier wrote: >>> Bjorn, Yijing, >>> >>> I've just realized that patch c167caf8d174 (PCI/MSI: Remove useless >>> bus->msi assignment) completely breaks MSI on arm64 when using the new >>> MSI stacked domain: >> Sorry, this is my first part to refactor MSI related code, now >> how to get pci msi_controller depends arch functions(pcibios_msi_controller() or >> arch_setup_msi_irq()), we are working on generic pci_host_bridge, after that, >> we could eventually eliminate MSI arch functions and find pci dev 's msi controller >> by pci_host_bridge->get_msi_controller(). >> >> Marc, could you tell me what pci host driver in your test platform ? > I'm using pci-host-generic (with a couple of patches to help it fit the > new "generic pci" infrastructure). > > This lives at: > git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git > irq/arm64-pci
Thanks, I would have a look at it.
> > Thanks, > > M.
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