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    SubjectRe: [PATCH 2/5] arm: mvebu: Select DMA_BOUNCE when LPAE is selected in Kconfig
    On 03/21/2013 11:26 AM, Gregory CLEMENT wrote:
    > From: Lior Amsalem <alior@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.
    >
    > Signed-off-by: Lior Amsalem <alior@marvell.com>
    > Tested-by: Franklin <flin@marvell.com>
    > Signed-off-by: Gregory CLEMENT <gregory.clement@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

    This alone is not enough to use bounce buffers. Am I missing something?

    Rob

    >
    > if ARCH_MVEBU
    >
    >



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