CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH (not configurable)

configname: CONFIG_ASYNC_TX_DISABLE_CHANNEL_SWITCH

Linux Kernel Configuration
└─>Device Drivers
└─>DMA Engine support
└─>ASYNC_TX_DISABLE_CHANNEL_SWITCH
In linux kernel since version 2.6.32 (release Date: 2009-12-02)  

is depended by
CONFIG_INTEL_IOATDMA