Re: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE isselected in Kconfig

From: Russell King - ARM Linux
Date: Fri Mar 22 2013 - 07:33:49 EST

On Thu, Mar 21, 2013 at 05:26:15PM +0100, Gregory CLEMENT wrote:
> From: Lior Amsalem <alior@xxxxxxxxxxx>
> For mvebu IOs are 32 bits and we have 40 bits memory due to LPAE so
> make sure we give 32 bits addresses to the IOs.
> Signed-off-by: Lior Amsalem <alior@xxxxxxxxxxx>
> Tested-by: Franklin <flin@xxxxxxxxxxx>
> Signed-off-by: Gregory CLEMENT <gregory.clement@xxxxxxxxxxxxxxxxxx>

Oh god no. Please move away from the addition on DMABOUNCE - that code
creaks, doesn't have highmem support, and is known to give problems on
various platforms.

Instead, please rely on using the DMA mask and such like, just like on
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