Function bounce_buffer_stop

src/commonlib/storage/bouncebuf.c:61–78

}

int bounce_buffer_stop(struct bounce_buffer *state)
{
	if (state->flags & GEN_BB_WRITE) {
		// Invalidate cache so that CPU can see any newly DMA'd data
		dcache_invalidate_by_mva(state->bounce_buffer,
					 state->len_aligned);
	}

	if (state->bounce_buffer == state->user_buffer)
		return 0;

	if (state->flags & GEN_BB_WRITE)
		memcpy(state->user_buffer, state->bounce_buffer, state->len);

	free(state->bounce_buffer);

	return 0;
}