Subject: Re: [PATCH v4 0/4] Add STM32 MDMA driver
To: Vinod Koul <vinod.koul@intel.com>, Rob Herring <robh+dt@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Maxime Coquelin <mcoquelin.stm32@gmail.com>,
        Alexandre Torgue <alexandre.torgue@st.com>,
        Russell King <linux@armlinux.org.uk>,
        Dan Williams <dan.j.williams@intel.com>,
        "M'boumba Cedric Madianga" <cedric.madianga@gmail.com>,
        Fabrice GASNIER <fabrice.gasnier@st.com>,
        Herbert Xu <herbert@gondor.apana.org.au>,
        Fabien DESSENNE <fabien.dessenne@st.com>,
        Amelie Delaunay <amelie.delaunay@st.com>, <dmaengine@vger.kernel.org>,
        <devicetree@vger.kernel.org>, <linux-arm-kernel@lists.infradead.org>,
        <linux-kernel@vger.kernel.org>
References: <1503671466-32029-1-git-send-email-pierre-yves.mordret@st.com>
From: Pierre Yves MORDRET <pierre-yves.mordret@st.com>
Message-ID: <07712135-3840-d1da-c087-ca95300f96da@st.com>
Date: Thu, 21 Sep 2017 10:01:17 +0200
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Hello,

Gentle ping for driver review submitted on August 25th.

Thanks
Regards

On 08/25/2017 04:31 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)
> ---
>   Version history:
>      v4:
>          * Add safe getter/setter macros
>          * forbid DMA preparation in cyclic mode yet
>          * Optimize burst and memory width for memcpy
>          * replace of_property_xx by device_property_xx
>      v3:
>          * Update header template
>          * Unsigned expression compared with zero
>          * Rework stm32_mdma_get_max_width
>          * moved to src/dst case where they are used in set_xfer
>          * Change of_property_* with device_property_*
>          * Add dev_warn whether default value is used
>          * Indentation
>          * Add MODULE_*
>      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                           | 1618 ++++++++++++++++++++
>  6 files changed, 1736 insertions(+)
>  create mode 100644 Documentation/devicetree/bindings/dma/stm32-mdma.txt
>  create mode 100644 drivers/dma/stm32-mdma.c
>