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USB_BUFFER_DMASYNC(9) USB Core APIs USB_BUFFER_DMASYNC(9)

NAME

usb_buffer_dmasync - synchronize DMA and CPU view of buffer(s)

SYNOPSIS

void usb_buffer_dmasync(struct urb * urb);

ARGUMENTS

urb
urb whose transfer_buffer/setup_packet will be synchronized

COPYRIGHT

April 2019 Kernel Hackers Manual 4.9.