[PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig

Andrew Lunn andrew at lunn.ch
Fri Mar 22 06:18:05 EST 2013


On Thu, Mar 21, 2013 at 05:26:15PM +0100, Gregory CLEMENT wrote:
> From: Lior Amsalem <alior at marvell.com>
> 
> 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.

Hi Gregory, Lior

I don't really understand what this comment is supposed to mean. I
would of expect DMA and bounce to appear at least....

> Signed-off-by: Lior Amsalem <alior at marvell.com>
> Tested-by: Franklin <flin at marvell.com>
> Signed-off-by: Gregory CLEMENT <gregory.clement at free-electrons.com>
> ---
>  arch/arm/mach-mvebu/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm/mach-mvebu/Kconfig b/arch/arm/mach-mvebu/Kconfig
> index 440b13e..617da94 100644
> --- a/arch/arm/mach-mvebu/Kconfig
> +++ b/arch/arm/mach-mvebu/Kconfig
> @@ -13,6 +13,7 @@ config ARCH_MVEBU
>  	select MVEBU_CLK_CORE
>  	select MVEBU_CLK_CPU
>  	select MVEBU_CLK_GATING
> +	select DMABOUNCE if ARM_LPAE
>  
>  if ARCH_MVEBU
>  
> -- 
> 1.7.9.5
> 


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