linux-kernel - Re: [PATCH 09/11] mfd: flexcard: add DMA ringbuffer demux driver

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Message-ID: <20150330090216.GT457@x1>
Date:	Mon, 30 Mar 2015 10:02:16 +0100
From:	Lee Jones <lee.jones@...aro.org>
To:	Holger Dengler <dengler@...utronix.de>
Cc:	linux-kernel@...r.kernel.org, Peter Mahler <mahler@...ug.com>,
	Juergen Bubeck <bubeck@...ug.com>,
	Benedikt Spranger <b.spranger@...utronix.de>,
	Samuel Ortiz <sameo@...ux.intel.com>
Subject: Re: [PATCH 09/11] mfd: flexcard: add DMA ringbuffer demux driver

On Wed, 25 Mar 2015, Holger Dengler wrote:

> From: Benedikt Spranger <b.spranger@...utronix.de>
> 
> The Flexcard interface design split packet receive and transmit. All
> received packets and card status information are multiplexed with a
> Flexcard specific protocol and handled through a DMA capable ringbuffer.
> The TX path has to poke each available component separate.
> 
> Add a Flexcard DMA ringbuffer driver and packet demultiplexer.

These are not MFD devices.

> Signed-off-by: Holger Dengler <dengler@...utronix.de>
> Signed-off-by: Benedikt Spranger <b.spranger@...utronix.de>
> cc: Samuel Ortiz <sameo@...ux.intel.com>
> cc: Lee Jones <lee.jones@...aro.org>
> ---
>  drivers/mfd/Kconfig                 |   9 ++
>  drivers/mfd/flexcard/Makefile       |   3 +
>  drivers/mfd/flexcard/dma.c          | 286 ++++++++++++++++++++++++++++++++++++

drivers/dma?

>  drivers/mfd/flexcard/flexcard-dma.h | 207 ++++++++++++++++++++++++++
>  drivers/mfd/flexcard/parser.c       | 193 ++++++++++++++++++++++++

drivers/pci?

>  include/linux/mfd/flexcard.h        |   5 +
>  6 files changed, 703 insertions(+)
>  create mode 100644 drivers/mfd/flexcard/dma.c
>  create mode 100644 drivers/mfd/flexcard/flexcard-dma.h
>  create mode 100644 drivers/mfd/flexcard/parser.c

</review>

-- 
Lee Jones
Linaro STMicroelectronics Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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