423 static int period_to_str(char *buf, int period)  in period_to_str()  argument
427 	if (period < 0 || period > 0xff) {  in period_to_str()
429 	} else if (period <= SPI_STATIC_PPR) {  in period_to_str()
430 		picosec = ppr_to_ps[period];  in period_to_str()
432 		picosec = period * 4000;  in period_to_str()
445 show_spi_transport_period_helper(char *buf, int period)  in show_spi_transport_period_helper()  argument
447 	int len = period_to_str(buf, period);  in show_spi_transport_period_helper()
457 	int j, picosec, period = -1;  in store_spi_transport_period_helper()  local
475 		period = j;  in store_spi_transport_period_helper()
479 	if (period == -1)  in store_spi_transport_period_helper()
480 		period = picosec / 4000;  in store_spi_transport_period_helper()
482 	if (period > 0xff)  in store_spi_transport_period_helper()
483 		period = 0xff;  in store_spi_transport_period_helper()
485 	*periodp = period;  in store_spi_transport_period_helper()
503 	return show_spi_transport_period_helper(buf, tp->period);  in show_spi_transport_period()
515 	int period, retval;  in store_spi_transport_period()  local
520 	retval = store_spi_transport_period_helper(cdev, buf, count, &period);  in store_spi_transport_period()
522 	if (period < tp->min_period)  in store_spi_transport_period()
523 		period = tp->min_period;  in store_spi_transport_period()
525 	i->f->set_period(starget, period);  in store_spi_transport_period()
530 static DEVICE_ATTR(period, S_IRUGO,
765 	int period = 0, prevperiod = 0;   in spi_dv_retrain()  local
796 			period = newperiod > period ? newperiod : period;  in spi_dv_retrain()
797 			if (period < 0x0d)  in spi_dv_retrain()
798 				period++;  in spi_dv_retrain()
800 				period += period >> 1;  in spi_dv_retrain()
802 			if (unlikely(period > 0xff || period == prevperiod)) {  in spi_dv_retrain()
809 			DV_SET(period, period);  in spi_dv_retrain()
810 			prevperiod = period;  in spi_dv_retrain()
922 	DV_SET(period, min_period);  in spi_dv_device_internal()
1126 	if (tp->offset > 0 && tp->period > 0) {  in spi_display_xfer_agreement()
1131 		if (tp->period <= SPI_STATIC_PPR) {  in spi_display_xfer_agreement()
1132 			picosec = ppr_to_ps[tp->period];  in spi_display_xfer_agreement()
1133 			switch (tp->period) {  in spi_display_xfer_agreement()
1142 			picosec = tp->period * 4000;  in spi_display_xfer_agreement()
1143 			if (tp->period < 25)  in spi_display_xfer_agreement()
1145 			else if (tp->period < 50)  in spi_display_xfer_agreement()
1185 int spi_populate_sync_msg(unsigned char *msg, int period, int offset)  in spi_populate_sync_msg()  argument
1190 	msg[3] = period;  in spi_populate_sync_msg()
1196 int spi_populate_ppr_msg(unsigned char *msg, int period, int offset,  in spi_populate_ppr_msg()  argument
1202 	msg[3] = period;  in spi_populate_ppr_msg()
1470 		return TARGET_ATTRIBUTE_HELPER(period);  in target_attribute_is_visible()
1473 		return TARGET_ATTRIBUTE_HELPER(period);  in target_attribute_is_visible()