413 static int period_to_str(char *buf, int period)  in period_to_str()  argument
417 	if (period < 0 || period > 0xff) {  in period_to_str()
419 	} else if (period <= SPI_STATIC_PPR) {  in period_to_str()
420 		picosec = ppr_to_ps[period];  in period_to_str()
422 		picosec = period * 4000;  in period_to_str()
435 show_spi_transport_period_helper(char *buf, int period)  in show_spi_transport_period_helper()  argument
437 	int len = period_to_str(buf, period);  in show_spi_transport_period_helper()
447 	int j, picosec, period = -1;  in store_spi_transport_period_helper()  local
465 		period = j;  in store_spi_transport_period_helper()
469 	if (period == -1)  in store_spi_transport_period_helper()
470 		period = picosec / 4000;  in store_spi_transport_period_helper()
472 	if (period > 0xff)  in store_spi_transport_period_helper()
473 		period = 0xff;  in store_spi_transport_period_helper()
475 	*periodp = period;  in store_spi_transport_period_helper()
493 	return show_spi_transport_period_helper(buf, tp->period);  in show_spi_transport_period()
505 	int period, retval;  in store_spi_transport_period()  local
510 	retval = store_spi_transport_period_helper(cdev, buf, count, &period);  in store_spi_transport_period()
512 	if (period < tp->min_period)  in store_spi_transport_period()
513 		period = tp->min_period;  in store_spi_transport_period()
515 	i->f->set_period(starget, period);  in store_spi_transport_period()
520 static DEVICE_ATTR(period, S_IRUGO,
755 	int period = 0, prevperiod = 0;   in spi_dv_retrain()  local
786 			period = newperiod > period ? newperiod : period;  in spi_dv_retrain()
787 			if (period < 0x0d)  in spi_dv_retrain()
788 				period++;  in spi_dv_retrain()
790 				period += period >> 1;  in spi_dv_retrain()
792 			if (unlikely(period > 0xff || period == prevperiod)) {  in spi_dv_retrain()
799 			DV_SET(period, period);  in spi_dv_retrain()
800 			prevperiod = period;  in spi_dv_retrain()
912 	DV_SET(period, min_period);  in spi_dv_device_internal()
1134 	if (tp->offset > 0 && tp->period > 0) {  in spi_display_xfer_agreement()
1139 		if (tp->period <= SPI_STATIC_PPR) {  in spi_display_xfer_agreement()
1140 			picosec = ppr_to_ps[tp->period];  in spi_display_xfer_agreement()
1141 			switch (tp->period) {  in spi_display_xfer_agreement()
1150 			picosec = tp->period * 4000;  in spi_display_xfer_agreement()
1151 			if (tp->period < 25)  in spi_display_xfer_agreement()
1153 			else if (tp->period < 50)  in spi_display_xfer_agreement()
1193 int spi_populate_sync_msg(unsigned char *msg, int period, int offset)  in spi_populate_sync_msg()  argument
1198 	msg[3] = period;  in spi_populate_sync_msg()
1204 int spi_populate_ppr_msg(unsigned char *msg, int period, int offset,  in spi_populate_ppr_msg()  argument
1210 	msg[3] = period;  in spi_populate_ppr_msg()
1478 		return TARGET_ATTRIBUTE_HELPER(period);  in target_attribute_is_visible()
1481 		return TARGET_ATTRIBUTE_HELPER(period);  in target_attribute_is_visible()