STMicroelectronics STM32 master dma support

modulename: stm32-mdma.ko

configname: CONFIG_STM32_MDMA

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>Device Tree and Open Firmware support
└─>STMicroelectronics STM32 master dma support
In linux kernel since version 4.2 (release Date: 2015-08-30)  
Enable support for the on-chip MDMA controller on STMicroelectronics
STM32 platforms.
If you have a board based on STM32 SoC and wish to use the master DMA
say Y here.

source code: