linux-kernel - Re: [PATCH v2 0/4] Add STM32 MDMA driver

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Date:   Thu, 20 Jul 2017 09:37:48 +0000
From:   Pierre Yves MORDRET <pierre-yves.mordret@...com>
To:     Vinod Koul <vinod.koul@...el.com>,
        Rob Herring <robh+dt@...nel.org>,
        "Mark Rutland" <mark.rutland@....com>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre TORGUE <alexandre.torgue@...com>,
        Russell King <linux@...linux.org.uk>,
        Dan Williams <dan.j.williams@...el.com>,
        "M'boumba Cedric Madianga" <cedric.madianga@...il.com>,
        Fabrice GASNIER <fabrice.gasnier@...com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "Fabien DESSENNE" <fabien.dessenne@...com>,
        Amelie DELAUNAY <amelie.delaunay@...com>,
        "dmaengine@...r.kernel.org" <dmaengine@...r.kernel.org>,
        "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
        "linux-arm-kernel@...ts.infradead.org" 
        <linux-arm-kernel@...ts.infradead.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v2 0/4] Add STM32 MDMA driver



On 07/06/2017 02:25 PM, Pierre-Yves MORDRET wrote:
> This patchset adds support for the STM32 MDMA controller.
> The Master Direct memory access (MDMA) provides high-speed data transfer
> between memory and memory or between peripherals and memory.
> Contrary to STM32 DMA, the STM32 MDMA controller supports hardware LLI and
> uses a larger integrated FIFO (128 vs 16 bytes)

Gentle ping for driver review since DT Bindings has been acked by Rob
Herring.

Thanks
Py

> ---
>    Version history:
>       v2:
>           * change compatible into st,stm32h7-mdma to be more SoC specific
>           * Add MDMA support in DT for H7
>           * Add MDMA support in STM32 defconfig
> ---
> Pierre-Yves MORDRET (4):
>    dt-bindings: Document the STM32 MDMA bindings
>    dmaengine: Add STM32 MDMA driver
>    ARM: dts: stm32: Add MDMA support for STM32H743 SoC
>    ARM: configs: stm32: Add MDMA support in STM32 defconfig
> 
>   .../devicetree/bindings/dma/stm32-mdma.txt         |   94 ++
>   arch/arm/boot/dts/stm32h743.dtsi                   |   10 +
>   arch/arm/configs/stm32_defconfig                   |    1 +
>   drivers/dma/Kconfig                                |   12 +
>   drivers/dma/Makefile                               |    1 +
>   drivers/dma/stm32-mdma.c                           | 1536 ++++++++++++++++++++
>   6 files changed, 1654 insertions(+)
>   create mode 100644 Documentation/devicetree/bindings/dma/stm32-mdma.txt
>   create mode 100644 drivers/dma/stm32-mdma.c
>