linux-kernel - Re: [PATCH] DMA/RaidEngine: Enable FSL RaidEngine

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Date:	Wed, 22 Aug 2012 08:37:12 -0500
From:	Kumar Gala <galak@...nel.crashing.org>
To:	"<b29237@...escale.com>" <b29237@...escale.com>
Cc:	<dan.j.williams@...il.com>, <vinod.koul@...el.com>,
	<linuxppc-dev@...ts.ozlabs.org>, <linux-kernel@...r.kernel.org>,
	Harninder Rai <harninder.rai@...escale.com>,
	b01044@...escale.com, iws@...o.caltech.edu,
	Naveen Burmi <naveenburmi@...escale.com>, b16502@...escale.com
Subject: Re: [PATCH] DMA/RaidEngine: Enable FSL RaidEngine


On Aug 22, 2012, at 1:24 AM, <b29237@...escale.com> <b29237@...escale.com> wrote:

> From: Xuelin Shi <b29237@...escale.com>
> 
> The RaidEngine is a new FSL hardware that used as hardware acceration
> for RAID5/6.
> 
> This patch enables the RaidEngine functionality and provides hardware
> offloading capability for memcpy, xor and raid6 pq computation. It works
> under dmaengine control with async_layer interface.
> 
> Signed-off-by: Harninder Rai <harninder.rai@...escale.com>
> Signed-off-by: Naveen Burmi <naveenburmi@...escale.com>
> Signed-off-by: Xuelin Shi <b29237@...escale.com>
> ---
> arch/powerpc/boot/dts/fsl/p5020si-post.dtsi    |    1 +
> arch/powerpc/boot/dts/fsl/p5020si-pre.dtsi     |    6 +
> arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi |   85 ++
> drivers/dma/Kconfig                            |   14 +
> drivers/dma/Makefile                           |    1 +
> drivers/dma/fsl_raid.c                         | 1090 ++++++++++++++++++++++++
> drivers/dma/fsl_raid.h                         |  294 +++++++
> 7 files changed, 1491 insertions(+), 0 deletions(-)
> create mode 100644 arch/powerpc/boot/dts/fsl/qoriq-raid1.0-0.dtsi
> create mode 100644 drivers/dma/fsl_raid.c
> create mode 100644 drivers/dma/fsl_raid.h

Where is the dts binding spec related to qoriq-raid1.0-0.dtsi ?

We should split the device tree parts into a separate patch as they can be reviewed & accepted separate from the driver code.

- k--
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