From: Cho KyongHo <pullip.cho@samsung.com>
To: Tushar Behera <tushar.b@samsung.com>
Cc: linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
shaik.ameer@samsung.com, trblinux@gmail.com
Subject: Re: [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU
Date: Fri, 04 Jul 2014 18:58:02 +0900 [thread overview]
Message-ID: <20140704185802.6883ac53f77ce18781fc0525@samsung.com> (raw)
In-Reply-To: <1404466268-9512-1-git-send-email-tushar.b@samsung.com>
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@samsung.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@samsung.com>'
Thank you.
KyongHo
next prev parent reply other threads:[~2014-07-04 9:58 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-07-04 9:31 Tushar Behera
2014-07-04 9:53 ` Sachin Kamat
2014-07-04 9:58 ` Cho KyongHo [this message]
2014-07-29 15:43 ` Joerg Roedel
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