linux-kernel - Re: [PATCH v7 3/6] pci:host: Add Altera PCIe host controller driver

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Message-ID: <20150922193320.37997c15@arm.com>
Date:	Tue, 22 Sep 2015 19:33:20 +0100
From:	Marc Zyngier <marc.zyngier@....com>
To:	Ley Foon Tan <lftan@...era.com>
Cc:	Bjorn Helgaas <bhelgaas@...gle.com>,
	Russell King <linux@....linux.org.uk>,
	Arnd Bergmann <arnd@...db.de>,
	Dinh Nguyen <dinguyen@...nsource.altera.com>,
	<linux-pci@...r.kernel.org>, <devicetree@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>,
	<linux-doc@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<lftan.linux@...il.com>, Rob Herring <robh+dt@...nel.org>,
	Pawel Moll <pawel.moll@....com>,
	Mark Rutland <mark.rutland@....com>,
	Ian Campbell <ijc+devicetree@...lion.org.uk>,
	"Kumar Gala" <galak@...eaurora.org>,
	Lorenzo Pieralisi <lorenzo.pieralisi@....com>
Subject: Re: [PATCH v7 3/6] pci:host: Add Altera PCIe host controller driver

On Mon, 21 Sep 2015 10:13:04 +0800
Ley Foon Tan <lftan@...era.com> wrote:

> This patch adds the Altera PCIe host controller driver.
> 
> Signed-off-by: Ley Foon Tan <lftan@...era.com>
> ---
>  drivers/pci/host/Kconfig       |   8 +
>  drivers/pci/host/Makefile      |   1 +
>  drivers/pci/host/pcie-altera.c | 591 +++++++++++++++++++++++++++++++++++++++++
>  3 files changed, 600 insertions(+)
>  create mode 100644 drivers/pci/host/pcie-altera.c
> 
> diff --git a/drivers/pci/host/Kconfig b/drivers/pci/host/Kconfig
> index d5e58ba..df9ed4f 100644
> --- a/drivers/pci/host/Kconfig
> +++ b/drivers/pci/host/Kconfig
> @@ -145,4 +145,12 @@ config PCIE_IPROC_BCMA
>  	  Say Y here if you want to use the Broadcom iProc PCIe controller
>  	  through the BCMA bus interface
>  
> +config PCIE_ALTERA
> +	tristate "Altera PCIe controller"
> +	depends on ARCH_SOCFPGA || NIOS2
> +	select PCI_DOMAINS
> +	help
> +	  Say Y here if you want to enable PCIe controller support for Altera
> +	  SoCFPGA family of SoCs.
> +

Is there anything in this driver that is actually specific to any of
these two platforms/architectures? I'd don't think we should restrict
if we can avoid it (hint: the companion MSI driver is not restricted to
any architecture).

Thanks,

	M.
-- 
Jazz is not dead. It just smells funny.
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