DMA2 ledma driver.This driver identifies ledma , maps in the DMA2 E-CSR register, attaches the child node le , and calls the le driver routine leopsadd() to add an entry to the le driver ops linked list indicating the DMA2-specific init() and intr() routines to be called by the le driver leinit() and leintr().

-DMA2　ledma　driver.This driver identifies　ledma , maps in the DMA2 E-CSR register, attaches the child node　le , and calls the le driver routine leopsadd() to add an entry to the le driver ops linked list indicating the DMA2-specific init() and intr() routines to be called by the le driver　leinit() and leintr().