384 	void		(*send_xchar)(struct uart_port *, char ch);
862 		unsigned char *ch)  in uart_fifo_get()  argument
867 	chars = kfifo_get(&tport->xmit_fifo, ch);  in uart_fifo_get()
906 #define __uart_port_tx(uport, ch, flags, tx_ready, put_char, tx_done,	      \  argument
915 			(ch) = __port->x_char;				      \
924 		if (!kfifo_get(&__tport->xmit_fifo, &(ch)))		      \
969 #define uart_port_tx_limited(port, ch, count, tx_ready, put_char, tx_done) ({ \  argument
971 	__uart_port_tx(port, ch, 0, tx_ready, put_char, tx_done, __count,     \
987 #define uart_port_tx_limited_flags(port, ch, flags, count, tx_ready, put_char, tx_done) ({ \  argument
989 	__uart_port_tx(port, ch, flags, tx_ready, put_char, tx_done, __count,		   \
1002 #define uart_port_tx(port, ch, tx_ready, put_char)			\  argument
1003 	__uart_port_tx(port, ch, 0, tx_ready, put_char, ({}), true, ({}))
1016 #define uart_port_tx_flags(port, ch, flags, tx_ready, put_char)		\  argument
1017 	__uart_port_tx(port, ch, flags, tx_ready, put_char, ({}), true, ({}))
1166 		      unsigned int overrun, u8 ch, u8 flag);
1173 bool uart_try_toggle_sysrq(struct uart_port *port, u8 ch);
1175 static inline int uart_handle_sysrq_char(struct uart_port *port, u8 ch)  in uart_handle_sysrq_char()  argument
1180 	if (ch && time_before(jiffies, port->sysrq)) {  in uart_handle_sysrq_char()
1182 			handle_sysrq(ch);  in uart_handle_sysrq_char()
1186 		if (uart_try_toggle_sysrq(port, ch))  in uart_handle_sysrq_char()
1194 static inline int uart_prepare_sysrq_char(struct uart_port *port, u8 ch)  in uart_prepare_sysrq_char()  argument
1199 	if (ch && time_before(jiffies, port->sysrq)) {  in uart_prepare_sysrq_char()
1201 			port->sysrq_ch = ch;  in uart_prepare_sysrq_char()
1205 		if (uart_try_toggle_sysrq(port, ch))  in uart_prepare_sysrq_char()
1250 static inline int uart_handle_sysrq_char(struct uart_port *port, u8 ch)  in uart_handle_sysrq_char()  argument
1254 static inline int uart_prepare_sysrq_char(struct uart_port *port, u8 ch)  in uart_prepare_sysrq_char()  argument