From: Lorenzo Pieralisi <lorenzo.pieralisi@arm.com>
To: Christoph Hellwig <hch@lst.de>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
"Wesley W . Terpstra" <wesley@sifive.com>,
Arnd Bergmann <arnd@arndb.de>,
linux-pci@vger.kernel.org, linux-riscv@lists.infradead.org
Subject: Re: [PATCH 3/3] PCI/xilinx: Depend on OF instead of the ARCH
Date: Thu, 2 Aug 2018 17:56:23 +0100 [thread overview]
Message-ID: <20180802165623.GB13725@red-moon> (raw)
In-Reply-To: <20180801151403.20660-4-hch@lst.de>
On Wed, Aug 01, 2018 at 05:14:03PM +0200, Christoph Hellwig wrote:
> There isn't a hard dependency of the Xilinx AXI-PCIe host bridge on any
> architecture. For example: at SiFive we map RISC-V cores to Xilinx FPGAs
> and connect the Xilinx IP via a TileLink adapter, so the RISC-V Linux
> port will need to be able to enable PCIE_XILINX in order to have PCIe
> support.
>
> This patch decouples the PCIE_XILINX support from ARCH. Instead it just
> depends on OF, which I believe is the only true dependency.
>
> Signed-off-by: Palmer Dabbelt <palmer@dabbelt.com>
> [hch: switch to OF instead of OF_PCI now that the latter is gone]
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> drivers/pci/controller/Kconfig | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
I could have taken it for this merge window but unfortunately it is a
bit late (ie PCI patches queue is close), I can certainly queue it up
for v4.20 though.
Lorenzo
> diff --git a/drivers/pci/controller/Kconfig b/drivers/pci/controller/Kconfig
> index cc9fa02d32a0..0f7ce5eaeac8 100644
> --- a/drivers/pci/controller/Kconfig
> +++ b/drivers/pci/controller/Kconfig
> @@ -102,7 +102,7 @@ config PCI_HOST_GENERIC
>
> config PCIE_XILINX
> bool "Xilinx AXI PCIe host bridge support"
> - depends on ARCH_ZYNQ || MICROBLAZE || (MIPS && PCI_DRIVERS_GENERIC) || COMPILE_TEST
> + depends on OF || COMPILE_TEST
> help
> Say 'Y' here if you want kernel to support the Xilinx AXI PCIe
> Host Bridge driver.
> --
> 2.18.0
>
next prev parent reply other threads:[~2018-08-02 18:48 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-08-01 15:14 add support for Xilinx PCIe root ports on RISC-V v2 Christoph Hellwig
2018-08-01 15:14 ` [PATCH 1/3] PCI: add a callback to struct pci_host_bridge for adding a new device Christoph Hellwig
2018-08-02 16:54 ` Lorenzo Pieralisi
2018-08-04 10:11 ` Christoph Hellwig
2018-08-15 19:52 ` Bjorn Helgaas
2018-08-16 20:59 ` Bjorn Helgaas
2018-08-16 21:04 ` Arnd Bergmann
2018-08-17 15:25 ` Lorenzo Pieralisi
2018-08-17 15:47 ` Arnd Bergmann
2018-08-01 15:14 ` [PATCH 2/3] PCI/xilinx: Work-around for hardware DMA limit (32 bits) Christoph Hellwig
2018-08-01 15:14 ` [PATCH 3/3] PCI/xilinx: Depend on OF instead of the ARCH Christoph Hellwig
2018-08-02 16:56 ` Lorenzo Pieralisi [this message]
2018-08-04 10:12 ` Christoph Hellwig
2018-08-01 23:02 ` add support for Xilinx PCIe root ports on RISC-V v2 Wesley Terpstra
2018-08-02 7:14 ` Christoph Hellwig
-- strict thread matches above, loose matches on Subject: below --
2018-08-04 10:13 add support for Xilinx PCIe root ports on RISC-V v3 Christoph Hellwig
2018-08-04 10:14 ` [PATCH 3/3] PCI/xilinx: Depend on OF instead of the ARCH Christoph Hellwig
2018-08-06 10:52 ` Lorenzo Pieralisi
2018-06-19 14:16 add support for Xilinx PCIe root ports on RISC-V Christoph Hellwig
2018-06-19 14:17 ` [PATCH 3/3] PCI/xilinx: Depend on OF instead of the ARCH Christoph Hellwig
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