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REQUEST_DMA(9) Hardware Interfaces REQUEST_DMA(9)

NAME

request_dma - request and reserve a system DMA channel

SYNOPSIS

int request_dma(unsigned int dmanr, const char * device_id);

ARGUMENTS

dmanr
DMA channel number

device_id

reserving device ID string, used in /proc/dma

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.