Lines Matching refs:period_len
225 size_t period_len, in bcm2835_dma_create_cb_set_length() argument
235 if (!period_len) in bcm2835_dma_create_cb_set_length()
247 if (*total_len + control_block->length < period_len) { in bcm2835_dma_create_cb_set_length()
254 control_block->length = period_len - *total_len; in bcm2835_dma_create_cb_set_length()
304 size_t period_len, gfp_t gfp) in bcm2835_dma_create_cb_chain() argument
348 len, period_len, &total_len, in bcm2835_dma_create_cb_chain()
694 size_t period_len, enum dma_transfer_direction direction, in bcm2835_dma_prep_dma_cyclic() argument
721 period_len = buf_len; in bcm2835_dma_prep_dma_cyclic()
727 if (buf_len % period_len) in bcm2835_dma_prep_dma_cyclic()
730 __func__, buf_len, period_len); in bcm2835_dma_prep_dma_cyclic()
756 DIV_ROUND_UP(buf_len, period_len) * in bcm2835_dma_prep_dma_cyclic()
758 bcm2835_dma_frames_for_length(period_len, max_len); in bcm2835_dma_prep_dma_cyclic()
768 period_len, GFP_NOWAIT); in bcm2835_dma_prep_dma_cyclic()