Subject: Re: [PATCH v4 16/19] ARM: LPAE: Use generic dma_addr_t type
 definition
From: Catalin Marinas <catalin.marinas@arm.com>
To: Russell King - ARM Linux <linux@arm.linux.org.uk>
Cc: linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org,
        Will Deacon <Will.Deacon@arm.com>
In-Reply-To: <20110215142730.GM4152@n2100.arm.linux.org.uk>
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	 <20110215142730.GM4152@n2100.arm.linux.org.uk>
Organization: ARM Limited
Date: Tue, 15 Feb 2011 15:24:06 +0000
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On Tue, 2011-02-15 at 14:27 +0000, Russell King - ARM Linux wrote:
> On Mon, Feb 14, 2011 at 01:01:30PM +0000, Catalin Marinas wrote:
> > Maybe we could make the dma_addr_t size configurable (and disabled by
> > default) since I expect there'll be platforms capable of >32-bit DMA.
> 
> It would be far better to fix the dma_addr_t abuses.

That's not a simple task, I have no idea how many drivers get used on
ARM systems. We can defer this until people start using Cortex-A15 in
real hardware and only fix the drivers they need.

BTW, can sparse help here (I haven't used it much)?

-- 
Catalin


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