linux-kernel - [PATCH v7 0/3] DMA: Freescale: Add support for 8-channel DMA engine

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Message-ID: <1375094944-3343-1-git-send-email-hongbo.zhang@freescale.com>
Date:	Mon, 29 Jul 2013 18:49:01 +0800
From:	<hongbo.zhang@...escale.com>
To:	<vinod.koul@...el.com>, <djbw@...com>, <leoli@...escale.com>,
	<scottwood@...escale.com>, <linuxppc-dev@...ts.ozlabs.org>
CC:	<devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	Hongbo Zhang <hongbo.zhang@...escale.com>
Subject: [PATCH v7 0/3] DMA: Freescale: Add support for 8-channel DMA engine

From: Hongbo Zhang <hongbo.zhang@...escale.com>

Hi Vinod, Dan, Scott and Leo, please have a look at these V7 patches.

Freescale QorIQ T4 and B4 introduce new 8-channel DMA engines, this patch set
adds support this DMA engine.

V6->V7 changes:
- only remove unnecessary "CHIP-dma" explanations in [1/3]

V5->V6 changes:
- minor updates of descriptions in binding document and Kconfig
- remove [4/4], that should be another patch in future

V4->V5 changes:
- update description in the dt binding document, to make it more resonable
- add new patch [4/4] to eliminate a compiling warning which already exists
  for a long time

V3->V4 changes:
- introduce new patch [1/3] to revise the legacy dma binding document
- and then add new paragraph to describe new dt node binding in [2/3]
- rebase to latest kernel v3.11-rc1

V2->V3 changes:
- edit Documentation/devicetree/bindings/powerpc/fsl/dma.txt
- edit text string in Kconfig and the driver files, using "elo series" to
  mention all the current "elo*"

V1->V2 changes:
- removed the codes handling the register dgsr1, since it isn't used currently
- renamed the DMA DT compatible to "fsl,elo3-dma"
- renamed the new dts files to "elo3-dma-<n>.dtsi"

Hongbo Zhang (3):
  DMA: Freescale: revise device tree binding document
  DMA: Freescale: Add new 8-channel DMA engine device tree nodes
  DMA: Freescale: update driver to support 8-channel DMA engine

 .../devicetree/bindings/powerpc/fsl/dma.txt        |  114 +++++++++++++++-----
 arch/powerpc/boot/dts/fsl/b4si-post.dtsi           |    4 +-
 arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi          |   81 ++++++++++++++
 arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi          |   81 ++++++++++++++
 arch/powerpc/boot/dts/fsl/t4240si-post.dtsi        |    4 +-
 drivers/dma/Kconfig                                |    9 +-
 drivers/dma/fsldma.c                               |    9 +-
 drivers/dma/fsldma.h                               |    2 +-
 8 files changed, 264 insertions(+), 40 deletions(-)
 create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-0.dtsi
 create mode 100644 arch/powerpc/boot/dts/fsl/elo3-dma-1.dtsi

-- 
1.7.9.5



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