drivers/dma/at_hdmac.c

1261 	unsigned int		reg_width;
1288 		reg_width = convert_buswidth(sconfig->dst_addr_width);
1289 		ctrla |= FIELD_PREP(ATC_DST_WIDTH, reg_width);
1336 		reg_width = convert_buswidth(sconfig->src_addr_width);
1337 		ctrla |= FIELD_PREP(ATC_SRC_WIDTH, reg_width);
1374 				     len >> reg_width;
1406 atc_dma_cyclic_check_values(unsigned int reg_width, dma_addr_t buf_addr,
1409 	if (period_len > (ATC_BTSIZE_MAX << reg_width))
1411 	if (unlikely(period_len & ((1 << reg_width) - 1)))
1413 	if (unlikely(buf_addr & ((1 << reg_width) - 1)))
1428 		unsigned int reg_width, size_t period_len,
1475 		     FIELD_PREP(ATC_DST_WIDTH, reg_width) |
1476 		     FIELD_PREP(ATC_SRC_WIDTH, reg_width) |
1477 		     period_len >> reg_width;
1502 	unsigned int		reg_width;
1526 		reg_width = convert_buswidth(sconfig->dst_addr_width);
1528 		reg_width = convert_buswidth(sconfig->src_addr_width);
1531 	if (atc_dma_cyclic_check_values(reg_width, buf_addr, period_len))
1542 					     reg_width, period_len, direction))