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MCA_GET_DMA_ADDR(9) Hardware Interfaces MCA_GET_DMA_ADDR(9)

NAME

mca_get_dma_addr - load a 24bit DMA address

SYNOPSIS

unsigned int mca_get_dma_addr(unsigned int dmanr);

ARGUMENTS

dmanr
DMA channel

DESCRIPTION

Read the address register in the DMA controller. This has a 24bit limitation (16Mb). The return is a bus address.

COPYRIGHT

March 2016 Kernel Hackers Manual 3.2.