Re: [patch V2 34/46] PCI/MSI: Make arch_.*_msi_irq[s] fallbacks selectable

From: Thomas Gleixner
Date: Wed Aug 26 2020 - 17:27:49 EST


On Wed, Aug 26 2020 at 22:14, Marc Zyngier wrote:
> On Wed, 26 Aug 2020 12:17:02 +0100,
> Thomas Gleixner <tglx@xxxxxxxxxxxxx> wrote:
>> @@ -103,6 +105,7 @@ config PCIE_XILINX_CPM
>> bool "Xilinx Versal CPM host bridge support"
>> depends on ARCH_ZYNQMP || COMPILE_TEST
>> select PCI_HOST_COMMON
>> + select PCI_MSI_ARCH_FALLBACKS
>
> This guy actually doesn't implement MSIs at all (it seems to delegate
> them to an ITS present in the system, if I read the DT binding
> correctly). However its older brother from the same silicon dealer
> seems to need it. The patchlet below should fix it.

Gah, at some point my eyes went squared and I lost track..