netdev - Re: [PATCH v3 00/10] split out emac cpdma and mdio for reuse

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Date:	Tue, 07 Sep 2010 18:18:20 -0700
From:	Kevin Hilman <khilman@...prootsystems.com>
To:	Cyril Chemparathy <cyril@...com>
Cc:	netdev@...r.kernel.org,
	davinci-linux-open-source@...ux.davincidsp.com,
	linux-omap@...r.kernel.org, davem@...emloft.net, tony@...mide.com
Subject: Re: [PATCH v3 00/10] split out emac cpdma and mdio for reuse

Cyril Chemparathy <cyril@...com> writes:

> Davinci's EMAC device has an in-built MDIO controller and a CPDMA engine.
> These hardware modules are not restricted to EMAC device alone.  For example,
> CPSW3G (3-port gigabit ethernet switch) hardware uses these very same modules
> internally.  This patch series separates out EMAC's MDIO and CPDMA
> functionality, allowing these individual pieces to be reused across TI
> hardware.  

OK, queuing this series for 2.6.37 in davinci-next.

Kevin

> This patch series has been broadly organized as follows:
>
> MDIO:
>   - Add new functionality
>       netdev: separate out davinci mdio controller code
>   - Hookup new functionality
>       davinci: add mdio platform devices
>       omap: add mdio platform devices
>       netdev: switch davinci emac to new mdio driver
>   - Cleanup left over cruft
>       davinci: cleanup unused davinci mdio arch code
>       omap: cleanup unused davinci mdio arch code
>       netdev: cleanup unused davinci mdio emac code
>
> CPDMA:
>   - Add new functionality
>      netdev: separate out davinci cpdma controller code
>   - Hookup new functionality
>      netdev: switch davinci emac to new cpdma layer
>   - Cleanup left over cruft
>      netdev: cleanup unused davinci emac cpdma code
>
> This series has been tested on dm365 and tnetv107x (with additional cpsw
> patches) hardware.  Although am3517 (omap) board support code has been updated
> as needed, emac does not work on this platform.
>
> Changes from v1:
>   1. Fixed memory leak in cpdma_chan_create() failure case
>   2. Included new omap patches for am3517, avoids build breakage
>
> Changes from v2:
>   1. Updated series to include mityomapl138 board
>   2. Minor white-space fixes
>
> Cyril Chemparathy (10):
>   net: davinci_emac: separate out davinci mdio
>   davinci: add mdio platform devices
>   omap: add mdio platform devices
>   net: davinci_emac: switch to new mdio
>   davinci: cleanup unused davinci mdio arch code
>   omap: cleanup unused davinci mdio arch code
>   net: davinci_emac: cleanup unused mdio emac code
>   net: davinci_emac: separate out cpdma code
>   net: davinci_emac: switch to new cpdma layer
>   net: davinci_emac: cleanup unused cpdma code
>
>  arch/arm/mach-davinci/board-da830-evm.c     |    5 -
>  arch/arm/mach-davinci/board-da850-evm.c     |    6 -
>  arch/arm/mach-davinci/board-dm365-evm.c     |    7 -
>  arch/arm/mach-davinci/board-dm644x-evm.c    |    7 -
>  arch/arm/mach-davinci/board-dm646x-evm.c    |    8 -
>  arch/arm/mach-davinci/board-mityomapl138.c  |    7 -
>  arch/arm/mach-davinci/board-neuros-osd2.c   |    7 -
>  arch/arm/mach-davinci/board-sffsdr.c        |    7 -
>  arch/arm/mach-davinci/devices-da8xx.c       |   31 +-
>  arch/arm/mach-davinci/dm365.c               |   23 +-
>  arch/arm/mach-davinci/dm644x.c              |   23 +-
>  arch/arm/mach-davinci/dm646x.c              |   22 +-
>  arch/arm/mach-davinci/include/mach/dm365.h  |    2 +-
>  arch/arm/mach-davinci/include/mach/dm644x.h |    2 +-
>  arch/arm/mach-davinci/include/mach/dm646x.h |    2 +-
>  arch/arm/mach-omap2/board-am3517evm.c       |   31 +-
>  drivers/net/Kconfig                         |   21 +
>  drivers/net/Makefile                        |    2 +
>  drivers/net/davinci_cpdma.c                 |  837 +++++++++++++++++
>  drivers/net/davinci_cpdma.h                 |  105 +++
>  drivers/net/davinci_emac.c                  | 1325 ++++-----------------------
>  drivers/net/davinci_mdio.c                  |  386 ++++++++
>  include/linux/davinci_emac.h                |    8 +-
>  23 files changed, 1635 insertions(+), 1239 deletions(-)
>  create mode 100644 drivers/net/davinci_cpdma.c
>  create mode 100644 drivers/net/davinci_cpdma.h
>  create mode 100644 drivers/net/davinci_mdio.c
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