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Date: Mon, 18 Aug 2014 15:26:48 +0100
From: Catalin Marinas <catalin.marinas@arm.com>
To: Liviu Dudau <Liviu.Dudau@arm.com>
Cc: Bjorn Helgaas <bhelgaas@google.com>,
	Will Deacon <Will.Deacon@arm.com>,
	Benjamin Herrenschmidt <benh@kernel.crashing.org>,
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Subject: Re: [PATCH v9] arm64: Add architectural support for PCIe
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 <1407860760-25252-2-git-send-email-Liviu.Dudau@arm.com>
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On Tue, Aug 12, 2014 at 05:26:00PM +0100, Liviu Dudau wrote:
> diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
> index e0ecdcf..dc34039 100644
> --- a/arch/arm64/include/asm/io.h
> +++ b/arch/arm64/include/asm/io.h
> @@ -121,7 +121,8 @@ static inline u64 __raw_readq(const volatile void __iomem *addr)
>  /*
>   *  I/O port access primitives.
>   */
> -#define IO_SPACE_LIMIT		0xffff
> +#define arch_has_dev_port()	(1)
> +#define IO_SPACE_LIMIT		0x1ffffff

Minor thing, (SZ_32M - 1) may be easier in case we ever change this.

>  #define PCI_IOBASE		((void __iomem *)(MODULES_VADDR - SZ_32M))

-- 
Catalin