Seungwon Jeon wrote:
> 

+ Javi Merino and Tushar Behera

> This change is similar to commit 3da355c(ARM: dts: Disable MDMA1 node
> for arndale-octa board). If MDMA1 region is configured with secure mode,
> it makes the boot failure with the following.
> 
> Unhandled fault: imprecise external abort (0x1406) at 0x00000000
> 
If so, how about adding the 'disabled' status in 5420 dtsi file? Then if 
'enabling' is required, we can enable in each board dt file...

- Kukjin

> Signed-off-by: Seungwon Jeon <tgih....@samsung.com>
> ---
>  arch/arm/boot/dts/exynos5420-smdk5420.dts |    6 ++++++
>  1 files changed, 6 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> index 6910485..9a48e3f 100644
> --- a/arch/arm/boot/dts/exynos5420-smdk5420.dts
> +++ b/arch/arm/boot/dts/exynos5420-smdk5420.dts
> @@ -373,4 +373,10 @@
>                       };
>               };
>       };
> +
> +     amba {
> +             mdma1: mdma@11C10000 {
> +                     status = "disabled";
> +             };
> +     };
>  };
> --
> 1.7.0.4

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