linux-kernel - Re: [PATCH 01/17] drivers: support PCIe in RISCV

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Date:   Wed, 7 Jun 2017 09:17:16 +0200
From:   Geert Uytterhoeven <geert@...ux-m68k.org>
To:     Palmer Dabbelt <palmer@...belt.com>
Cc:     Linux-Arch <linux-arch@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        Arnd Bergmann <arnd@...db.de>, Olof Johansson <olof@...om.net>,
        albert@...ive.com, patches@...ups.riscv.org,
        "Wesley W. Terpstra" <wesley@...ive.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-pci <linux-pci@...r.kernel.org>
Subject: Re: [PATCH 01/17] drivers: support PCIe in RISCV

CC pci folks

On Wed, Jun 7, 2017 at 12:59 AM, Palmer Dabbelt <palmer@...belt.com> wrote:
> From: "Wesley W. Terpstra" <wesley@...ive.com>
>
> There are RISC-V systems that have been mapped to Xilinx FPGAs that have
> their PCIe controllers on chip.  These build system changes allow RISC-V
> systems to enable the Xilinx PCIe controller, and to setup PCIe IRQs.
>
> Signed-off-by: Palmer Dabbelt <palmer@...belt.com>
> ---
>  drivers/pci/Makefile     | 1 +
>  drivers/pci/host/Kconfig | 2 +-
>  2 files changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
> index 462c1f5f5546..a29d9ec05d13 100644
> --- a/drivers/pci/Makefile
> +++ b/drivers/pci/Makefile
> @@ -41,6 +41,7 @@ obj-$(CONFIG_MIPS) += setup-irq.o
>  obj-$(CONFIG_TILE) += setup-irq.o
>  obj-$(CONFIG_SPARC_LEON) += setup-irq.o
>  obj-$(CONFIG_M68K) += setup-irq.o
> +obj-$(CONFIG_RISCV) += setup-irq.o
>
>  #
>  # ACPI Related PCI FW Functions
> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
> index 7f47cd5e10a5..5148f3d3cab7 100644
> --- a/drivers/pci/host/Kconfig
> +++ b/drivers/pci/host/Kconfig
> @@ -71,7 +71,7 @@ config PCI_HOST_GENERIC
>
>  config PCIE_XILINX
>         bool "Xilinx AXI PCIe host bridge support"
> -       depends on ARCH_ZYNQ || MICROBLAZE
> +       depends on ARCH_ZYNQ || MICROBLAZE || RISCV
>         help
>           Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
>           Host Bridge driver.
> --
> 2.13.0