lkml.org 
[lkml]   [2015]   [Jun]   [8]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH v2 3/5] dmaengine: mv_xor: add support for a38x command in descriptor mode
On Tue, May 26, 2015 at 03:07:34PM +0200, Maxime Ripard wrote:
> From: Lior Amsalem <alior@marvell.com>
>
> The Marvell Armada 38x SoC introduce new features to the XOR engine,
> especially the fact that the engine mode (MEMCPY/XOR/PQ/etc) can be part of
> the descriptor and not set through the controller registers.
>
> This new feature allows mixing of different commands (even PQ) on the same
> channel/chain without the need to stop the engine to reconfigure the engine
> mode.
>
> Refactor the driver to be able to use that new feature on the Armada 38x,
> while keeping the old behaviour on the older SoCs.
>
> Signed-off-by: Lior Amsalem <alior@marvell.com>
> Reviewed-by: Ofer Heifetz <oferh@marvell.com>
> Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
> ---
> Documentation/devicetree/bindings/dma/mv-xor.txt | 2 +-
> drivers/dma/mv_xor.c | 82 ++++++++++++++++++++----
> drivers/dma/mv_xor.h | 7 ++
> 3 files changed, 76 insertions(+), 15 deletions(-)
>
> diff --git a/Documentation/devicetree/bindings/dma/mv-xor.txt b/Documentation/devicetree/bindings/dma/mv-xor.txt
> index 7c6cb7fcecd2..cc29c35266e2 100644
> --- a/Documentation/devicetree/bindings/dma/mv-xor.txt
> +++ b/Documentation/devicetree/bindings/dma/mv-xor.txt
> @@ -1,7 +1,7 @@
> * Marvell XOR engines
>
> Required properties:
> -- compatible: Should be "marvell,orion-xor"
> +- compatible: Should be "marvell,orion-xor" or "marvell,armada-380-xor"
marvell,armada-380-xor doesnt seem to exist in binding ?

--
~Vinod



\
 
 \ /
  Last update: 2015-06-08 12:41    [W:0.094 / U:0.556 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site