From: kgene.kim@samsung.com (Kukjin Kim)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] ARM: dts: disable MDMA1 node for smdk5420 board
Date: Tue, 22 Apr 2014 11:18:13 +0900 [thread overview]
Message-ID: <021301cf5dd1$1d0ec910$572c5b30$@samsung.com> (raw)
In-Reply-To: <001a01cf5b0c$5ddc7d60$19957820$%jun@samsung.com>
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.jun@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 at 11C10000 {
> + status = "disabled";
> + };
> + };
> };
> --
> 1.7.0.4
next prev parent reply other threads:[~2014-04-22 2:18 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-04-18 13:44 [PATCH] ARM: dts: disable MDMA1 node for smdk5420 board Seungwon Jeon
2014-04-22 2:18 ` Kukjin Kim [this message]
2014-04-22 4:25 ` Tushar Behera
2014-04-22 7:01 ` Seungwon Jeon
2014-04-22 8:23 ` Tushar Behera
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