ARM: tegra: Select appropriate DMA options for LPAE

This automatically selects options for zone DMA and 64 bit DMA addresses
when LPAE is enabled on ARM Tegra platforms. These options are required
for proper operation with LPAE enabled.

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
---
 arch/arm/mach-tegra/Kconfig | 2 ++
 1 file changed, 2 insertions(+)

On Tue, 2017-04-25 at 00:59 +0200, Paul Kocialkowski wrote:
> This automatically selects options for zone DMA and 64 bit DMA addresses
> when LPAE is enabled on ARM Tegra platforms. These options are required
> for proper operation with LPAE enabled.

Bumping this one since it did not get any review yet.

It should be a good candidate for inclusion now that the merge window is open.

> Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
> ---
>  arch/arm/mach-tegra/Kconfig | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
> index 329f01c5b6f8..c8368d647741 100644
> --- a/arch/arm/mach-tegra/Kconfig
> +++ b/arch/arm/mach-tegra/Kconfig
> @@ -13,5 +13,7 @@ menuconfig ARCH_TEGRA
>  	select ARCH_HAS_RESET_CONTROLLER
>  	select RESET_CONTROLLER
>  	select SOC_BUS
> +	select ZONE_DMA if ARM_LPAE
> +	select ARCH_DMA_ADDR_T_64BIT if ARM_LPAE
>  	help
>  	  This enables support for NVIDIA Tegra based systems.

On Tue, Jul 4, 2017 at 4:29 PM, Paul Kocialkowski <contact@paulk.fr> wrote:
> On Tue, 2017-04-25 at 00:59 +0200, Paul Kocialkowski wrote:
>> This automatically selects options for zone DMA and 64 bit DMA addresses
>> when LPAE is enabled on ARM Tegra platforms. These options are required
>> for proper operation with LPAE enabled.
>
> Bumping this one since it did not get any review yet.
>
> It should be a good candidate for inclusion now that the merge window is open.

If you don't get any reply still, send it to the ARM SoC maintainers
directly at arm@kernel.org and request it to be applied.

Yours,
Linus Walleij
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