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Date: Mon, 20 May 2019 11:25:28 -0700 From: Paul Walmsley <paul.walmsley@...ive.com> To: linux-riscv@...ts.infradead.org, linux-kernel@...r.kernel.org Cc: Paul Walmsley <paul@...an.com>, Wesley Terpstra <wesley@...ive.com> Subject: [PATCH] riscv: include generic support for MSI irqdomains Some RISC-V systems include PCIe host controllers that support PCIe message-signaled interrupts. For this to work on Linux, we need to enable PCI_MSI_IRQ_DOMAIN and define struct msi_alloc_info. Support for the latter is enabled by including the architecture-generic msi.h include. Based on a patch from Wesley Terpstra <wesley@...ive.com>: https://github.com/riscv/riscv-linux/commit/7d55f38fb79f459d2e88bcee7e147796400cafa8 Signed-off-by: Paul Walmsley <paul.walmsley@...ive.com> Signed-off-by: Paul Walmsley <paul@...an.com> Cc: Wesley Terpstra <wesley@...ive.com> --- arch/riscv/include/asm/Kbuild | 1 + drivers/pci/Kconfig | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/riscv/include/asm/Kbuild b/arch/riscv/include/asm/Kbuild index 3d019e062c6f..b0a9fa34be5a 100644 --- a/arch/riscv/include/asm/Kbuild +++ b/arch/riscv/include/asm/Kbuild @@ -20,6 +20,7 @@ generic-y += kvm_para.h generic-y += local.h generic-y += local64.h generic-y += mm-arch-hooks.h +generic-y += msi.h generic-y += percpu.h generic-y += preempt.h generic-y += sections.h diff --git a/drivers/pci/Kconfig b/drivers/pci/Kconfig index 2ab92409210a..beb3408a0272 100644 --- a/drivers/pci/Kconfig +++ b/drivers/pci/Kconfig @@ -52,7 +52,7 @@ config PCI_MSI If you don't know what to do here, say Y. config PCI_MSI_IRQ_DOMAIN - def_bool ARC || ARM || ARM64 || X86 + def_bool ARC || ARM || ARM64 || X86 || RISCV depends on PCI_MSI select GENERIC_MSI_IRQ_DOMAIN -- 2.20.1
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