Re: [PATCH 2/6] arm: mach-socfpga: enable pci support

From: Rob Herring <robherring2@gmail.com>
To: Ley Foon Tan <lftan@altera.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	Russell King <linux@arm.linux.org.uk>,
	Arnd Bergmann <arnd@arndb.de>,
	Dinh Nguyen <dinguyen@opensource.altera.com>,
	"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
	Ley Foon Tan <lftan.linux@gmail.com>,
	"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>,
	"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
	Rob Herring <robh+dt@kernel.org>,
	"linux-arm-kernel@lists.infradead.org" 
	<linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH 2/6] arm: mach-socfpga: enable pci support
Date: Tue, 28 Jul 2015 08:26:27 -0500	[thread overview]
Message-ID: <CAL_JsqK8HbYMbQf+8vFuDiTe3j9THus+YwLZDdJpQM5faQTY3g@mail.gmail.com> (raw)
In-Reply-To: <1438080345-7233-3-git-send-email-lftan@altera.com>

On Tue, Jul 28, 2015 at 5:45 AM, Ley Foon Tan <lftan@altera.com> wrote:
> Enable CONFIG_ARCH_SUPPORT_MSI and CONFIG_PCI in SOCFPGA platform.
>
> Signed-off-by: Ley Foon Tan <lftan@altera.com>
> ---
>  arch/arm/mach-socfpga/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
>
> diff --git a/arch/arm/mach-socfpga/Kconfig b/arch/arm/mach-socfpga/Kconfig
> index 90efdeb..7ff4576 100644
> --- a/arch/arm/mach-socfpga/Kconfig
> +++ b/arch/arm/mach-socfpga/Kconfig
> @@ -1,6 +1,7 @@
>  menuconfig ARCH_SOCFPGA
>         bool "Altera SOCFPGA family" if ARCH_MULTI_V7
>         select ARCH_SUPPORTS_BIG_ENDIAN
> +       select ARCH_SUPPORTS_MSI

This doesn't exist in mainline having been removed in 3.12.

>         select ARM_AMBA
>         select ARM_GIC
>         select CACHE_L2X0
> @@ -9,6 +10,7 @@ menuconfig ARCH_SOCFPGA
>         select HAVE_ARM_SCU
>         select HAVE_ARM_TWD if SMP
>         select MFD_SYSCON
> +       select PCI

This should not be selected by the platform, but be user selectable
unless perhaps you require PCI to boot.

Rob