Re: [PATCH v4 0/4] Add STM32 MDMA driver
From: Pierre Yves MORDRET
Date: Thu Sep 21 2017 - 04:02:36 EST
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
>