* [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU
@ 2014-07-04 9:31 Tushar Behera
2014-07-04 9:53 ` Sachin Kamat
` (2 more replies)
0 siblings, 3 replies; 4+ messages in thread
From: Tushar Behera @ 2014-07-04 9:31 UTC (permalink / raw)
To: linux-kernel, iommu; +Cc: pullip.cho, shaik.ameer, trblinux
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
--
1.7.9.5
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU
2014-07-04 9:31 [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU Tushar Behera
@ 2014-07-04 9:53 ` Sachin Kamat
2014-07-04 9:58 ` Cho KyongHo
2014-07-29 15:43 ` Joerg Roedel
2 siblings, 0 replies; 4+ messages in thread
From: Sachin Kamat @ 2014-07-04 9:53 UTC (permalink / raw)
To: Tushar Behera; +Cc: open list, iommu, pullip.cho, shaik.ameer, Tushar Behera
Hi Tushar,
On Fri, Jul 4, 2014 at 3:01 PM, Tushar Behera <tushar.b@samsung.com> 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: Sachin Kamat <sachin.kamat@samsung.com>
--
Regards,
Sachin.
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU
2014-07-04 9:31 [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU Tushar Behera
2014-07-04 9:53 ` Sachin Kamat
@ 2014-07-04 9:58 ` Cho KyongHo
2014-07-29 15:43 ` Joerg Roedel
2 siblings, 0 replies; 4+ messages in thread
From: Cho KyongHo @ 2014-07-04 9:58 UTC (permalink / raw)
To: Tushar Behera; +Cc: linux-kernel, iommu, shaik.ameer, trblinux
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
^ permalink raw reply [flat|nested] 4+ messages in thread
* Re: [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU
2014-07-04 9:31 [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU Tushar Behera
2014-07-04 9:53 ` Sachin Kamat
2014-07-04 9:58 ` Cho KyongHo
@ 2014-07-29 15:43 ` Joerg Roedel
2 siblings, 0 replies; 4+ messages in thread
From: Joerg Roedel @ 2014-07-29 15:43 UTC (permalink / raw)
To: Tushar Behera; +Cc: linux-kernel, iommu, trblinux, pullip.cho, shaik.ameer
On Fri, Jul 04, 2014 at 03:01:08PM +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>
Applied, thanks. Please always Cc me directly on IOMMU patches.
^ permalink raw reply [flat|nested] 4+ messages in thread
end of thread, other threads:[~2014-07-29 15:44 UTC | newest]
Thread overview: 4+ messages (download: mbox.gz / follow: Atom feed)
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2014-07-04 9:31 [PATCH] iommu/exynos: Select ARM_DMA_USE_IOMMU Tushar Behera
2014-07-04 9:53 ` Sachin Kamat
2014-07-04 9:58 ` Cho KyongHo
2014-07-29 15:43 ` Joerg Roedel
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