46 #define USR2  0x98 /* Status Register 2 */  macro
429 	u32 ucr1, ucr4, usr2;  in imx_uart_stop_tx()  local
444 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_stop_tx()
445 	if (!(usr2 & USR2_TXDC)) {  in imx_uart_stop_tx()
791 	while (imx_uart_readl(sport, USR2) & USR2_RDR) {  in __imx_uart_rxint()
792 		u32 usr2;  in __imx_uart_rxint()  local
799 		usr2 = imx_uart_readl(sport, USR2);  in __imx_uart_rxint()
800 		if (usr2 & USR2_BRCD) {  in __imx_uart_rxint()
801 			imx_uart_writel(sport, USR2_BRCD, USR2);  in __imx_uart_rxint()
875 	unsigned usr2 = imx_uart_readl(sport, USR2);  in imx_uart_get_hwmctrl()  local
881 	if (!(usr2 & USR2_DCDIN))  in imx_uart_get_hwmctrl()
885 		if (!(imx_uart_readl(sport, USR2) & USR2_RIIN))  in imx_uart_get_hwmctrl()
921 	unsigned int usr1, usr2, ucr1, ucr2, ucr3, ucr4;  in imx_uart_int()  local
927 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_int()
948 		usr2 &= ~USR2_TXDC;  in imx_uart_int()
956 		usr2 &= ~USR2_ORE;  in imx_uart_int()
965 	if ((usr1 & USR1_TRDY) || (usr2 & USR2_TXDC)) {  in imx_uart_int()
988 	if (usr2 & USR2_ORE) {  in imx_uart_int()
990 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_int()
1007 	ret = (imx_uart_readl(sport, USR2) & USR2_TXDC) ?  TIOCSER_TEMT : 0;  in imx_uart_tx_empty()
1228 	u32 usr1, usr2;  in imx_uart_clear_rx_errors()  local
1231 	usr2 = imx_uart_readl(sport, USR2);  in imx_uart_clear_rx_errors()
1233 	if (usr2 & USR2_BRCD) {  in imx_uart_clear_rx_errors()
1235 		imx_uart_writel(sport, USR2_BRCD, USR2);  in imx_uart_clear_rx_errors()
1250 	if (usr2 & USR2_ORE) {  in imx_uart_clear_rx_errors()
1252 		imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_clear_rx_errors()
1428 	imx_uart_writel(sport, USR2_ORE, USR2);  in imx_uart_startup()
1584 	 * all FIFOs and register USR1, USR2, UBIR, UBMR, UBRC, URXD, UTXD  in imx_uart_flush_buffer()
1587 	 * We don't need to restore the old values from USR1, USR2, URXD and  in imx_uart_flush_buffer()
1870 	if (!(imx_uart_readl(sport, USR2) & USR2_RDR))  in imx_uart_poll_get_char()
1891 		status = imx_uart_readl(sport, USR2);  in imx_uart_poll_put_char()
2008 	while (!(imx_uart_readl(sport, USR2) & USR2_TXDC));  in imx_uart_console_write()