Re: ARM: dts: exynos: Add MFC memory banks for Peach boards

From: pankaj.dubey
Date: Wed May 25 2016 - 04:31:21 EST


Hi Javier,

On Friday 29 April 2016 12:51 AM, Javier Martinez Canillas wrote:
> The MFC nodes with the memory regions reserved for memory allocations
> are missing in the Exynos5420 Peach Pit and Exynos5800 Peach Pi DTS.
>
> This causes the s5p-mfc driver probe to fail with the following error:
>
> [ 4.140647] s5p_mfc_alloc_memdevs:1072: Failed to declare coherent memory for MFC device
> [ 4.216163] s5p-mfc: probe of 11000000.codec failed with error -12
>
> Add the missing nodes so the driver probes and the {en,de}coder video
> nodes are registered correctly:
>
> [ 4.096277] s5p-mfc 11000000.codec: decoder registered as /dev/video4
> [ 4.102282] s5p-mfc 11000000.codec: encoder registered as /dev/video5
>
> Signed-off-by: Javier Martinez Canillas <javier@xxxxxxxxxxxxxxx>

Just noticed that, current krzk/for-next failed to boot on Exynos5880
based Chromebook device. Git bisect is showing culprit as this patch.
When I reverted this patch, its able to boot normally.
Is there any missing patches that we need to take on krzk/for-next to
boot on Chromebook.

Thanks,
Pankaj Dubey