linux-kernel - Re: [PATCH] iommu/exynos: Select ARM_DMA_USE

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Message-id: <20140704185802.6883ac53f77ce18781fc0525@samsung.com>
Date:	Fri, 04 Jul 2014 18:58:02 +0900
From:	Cho KyongHo <pullip.cho@...sung.com>
To:	Tushar Behera <tushar.b@...sung.com>
Cc:	linux-kernel@...r.kernel.org, iommu@...ts.linux-foundation.org,
	shaik.ameer@...sung.com, trblinux@...il.com
Subject: Re: [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU

On Fri, 04 Jul 2014 15:01:08 +0530, Tushar Behera wrote:
> For IOMMU to use on Exynos platforms, we need to enable ARM_DMA_USE_IOMMU. It
> would be better to select it by default when EXYNOS_IOMMU is enabled.
> 
> Signed-off-by: Tushar Behera <tushar.b@...sung.com>
> ---
>  drivers/iommu/Kconfig |    1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/iommu/Kconfig b/drivers/iommu/Kconfig
> index d260605..54f3ad1a 100644
> --- a/drivers/iommu/Kconfig
> +++ b/drivers/iommu/Kconfig
> @@ -180,6 +180,7 @@ config EXYNOS_IOMMU
>  	bool "Exynos IOMMU Support"
>  	depends on ARCH_EXYNOS
>  	select IOMMU_API
> +	select ARM_DMA_USE_IOMMU
>  	help
>  	  Support for the IOMMU (System MMU) of Samsung Exynos application
>  	  processor family. This enables H/W multimedia accelerators to see
> -- 

Reviewed-by: Cho KyongHo <pullip.cho@...sung.com>'

Thank you.

KyongHo
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