Lines Matching refs:uport
60 static int uart_dcd_enabled(struct uart_port *uport) in uart_dcd_enabled() argument
62 return !!(uport->status & UPSTAT_DCD_ENABLE); in uart_dcd_enabled()
72 static inline void uart_port_deref(struct uart_port *uport) in uart_port_deref() argument
74 if (atomic_dec_and_test(&uport->state->refcount)) in uart_port_deref()
75 wake_up(&uport->state->remove_wait); in uart_port_deref()
86 #define uart_port_unlock(uport, flags) \ argument
88 struct uart_port *__uport = uport; \
193 static void uart_port_dtr_rts(struct uart_port *uport, bool active) in uart_port_dtr_rts() argument
196 uart_set_mctrl(uport, TIOCM_DTR | TIOCM_RTS); in uart_port_dtr_rts()
198 uart_clear_mctrl(uport, TIOCM_DTR | TIOCM_RTS); in uart_port_dtr_rts()
205 struct uart_port *uport = uart_port_check(state); in uart_change_line_settings() local
213 if (!tty || uport->type == PORT_UNKNOWN) in uart_change_line_settings()
217 uport->ops->set_termios(uport, termios, old_termios); in uart_change_line_settings()
222 spin_lock_irq(&uport->lock); in uart_change_line_settings()
224 uport->status |= UPSTAT_CTS_ENABLE; in uart_change_line_settings()
226 uport->status &= ~UPSTAT_CTS_ENABLE; in uart_change_line_settings()
229 uport->status &= ~UPSTAT_DCD_ENABLE; in uart_change_line_settings()
231 uport->status |= UPSTAT_DCD_ENABLE; in uart_change_line_settings()
234 old_hw_stopped = uport->hw_stopped; in uart_change_line_settings()
235 uport->hw_stopped = uart_softcts_mode(uport) && in uart_change_line_settings()
236 !(uport->ops->get_mctrl(uport) & TIOCM_CTS); in uart_change_line_settings()
237 if (uport->hw_stopped != old_hw_stopped) { in uart_change_line_settings()
239 uport->ops->stop_tx(uport); in uart_change_line_settings()
243 spin_unlock_irq(&uport->lock); in uart_change_line_settings()
253 struct uart_port *uport = uart_port_check(state); in uart_port_startup() local
258 if (uport->type == PORT_UNKNOWN) in uart_port_startup()
278 uart_port_unlock(uport, flags); in uart_port_startup()
280 uart_port_unlock(uport, flags); in uart_port_startup()
288 retval = uport->ops->startup(uport); in uart_port_startup()
290 if (uart_console(uport) && uport->cons->cflag) { in uart_port_startup()
291 tty->termios.c_cflag = uport->cons->cflag; in uart_port_startup()
292 tty->termios.c_ispeed = uport->cons->ispeed; in uart_port_startup()
293 tty->termios.c_ospeed = uport->cons->ospeed; in uart_port_startup()
294 uport->cons->cflag = 0; in uart_port_startup()
295 uport->cons->ispeed = 0; in uart_port_startup()
296 uport->cons->ospeed = 0; in uart_port_startup()
308 uart_port_dtr_rts(uport, true); in uart_port_startup()
326 struct uart_port *uport; in uart_startup() local
339 uport = uart_port_check(state); in uart_startup()
340 if (!uport) in uart_startup()
343 serial_base_port_startup(uport); in uart_startup()
357 struct uart_port *uport = uart_port_check(state); in uart_shutdown() local
368 if (uport) in uart_shutdown()
369 serial_base_port_shutdown(uport); in uart_shutdown()
377 if (uport && uart_console(uport) && tty) { in uart_shutdown()
378 uport->cons->cflag = tty->termios.c_cflag; in uart_shutdown()
379 uport->cons->ispeed = tty->termios.c_ispeed; in uart_shutdown()
380 uport->cons->ospeed = tty->termios.c_ospeed; in uart_shutdown()
384 uart_port_dtr_rts(uport, false); in uart_shutdown()
405 uart_port_unlock(uport, flags); in uart_shutdown()
693 void uart_xchar_out(struct uart_port *uport, int offset) in uart_xchar_out() argument
695 serial_port_out(uport, offset, uport->x_char); in uart_xchar_out()
696 uport->icount.tx++; in uart_xchar_out()
697 uport->x_char = 0; in uart_xchar_out()
788 struct uart_port *uport; in uart_get_info() local
796 uport = uart_port_check(state); in uart_get_info()
797 if (!uport) in uart_get_info()
800 retinfo->type = uport->type; in uart_get_info()
801 retinfo->line = uport->line; in uart_get_info()
802 retinfo->port = uport->iobase; in uart_get_info()
804 retinfo->port_high = (long) uport->iobase >> HIGH_BITS_OFFSET; in uart_get_info()
805 retinfo->irq = uport->irq; in uart_get_info()
806 retinfo->flags = (__force int)uport->flags; in uart_get_info()
807 retinfo->xmit_fifo_size = uport->fifosize; in uart_get_info()
808 retinfo->baud_base = uport->uartclk / 16; in uart_get_info()
813 retinfo->custom_divisor = uport->custom_divisor; in uart_get_info()
814 retinfo->hub6 = uport->hub6; in uart_get_info()
815 retinfo->io_type = uport->iotype; in uart_get_info()
816 retinfo->iomem_reg_shift = uport->regshift; in uart_get_info()
817 retinfo->iomem_base = (void *)(unsigned long)uport->mapbase; in uart_get_info()
838 struct uart_port *uport = uart_port_check(state); in uart_set_info() local
845 if (!uport) in uart_set_info()
859 change_irq = !(uport->flags & UPF_FIXED_PORT) in uart_set_info()
860 && new_info->irq != uport->irq; in uart_set_info()
867 change_port = !(uport->flags & UPF_FIXED_PORT) in uart_set_info()
868 && (new_port != uport->iobase || in uart_set_info()
869 (unsigned long)new_info->iomem_base != uport->mapbase || in uart_set_info()
870 new_info->hub6 != uport->hub6 || in uart_set_info()
871 new_info->io_type != uport->iotype || in uart_set_info()
872 new_info->iomem_reg_shift != uport->regshift || in uart_set_info()
873 new_info->type != uport->type); in uart_set_info()
875 old_flags = uport->flags; in uart_set_info()
877 old_custom_divisor = uport->custom_divisor; in uart_set_info()
882 (new_info->baud_base != uport->uartclk / 16) || in uart_set_info()
886 new_info->xmit_fifo_size != uport->fifosize) || in uart_set_info()
889 uport->flags = ((uport->flags & ~UPF_USR_MASK) | in uart_set_info()
891 uport->custom_divisor = new_info->custom_divisor; in uart_set_info()
904 if (uport->ops->verify_port) in uart_set_info()
905 retval = uport->ops->verify_port(uport, new_info); in uart_set_info()
934 old_iobase = uport->iobase; in uart_set_info()
935 old_mapbase = uport->mapbase; in uart_set_info()
936 old_type = uport->type; in uart_set_info()
937 old_hub6 = uport->hub6; in uart_set_info()
938 old_iotype = uport->iotype; in uart_set_info()
939 old_shift = uport->regshift; in uart_set_info()
944 if (old_type != PORT_UNKNOWN && uport->ops->release_port) in uart_set_info()
945 uport->ops->release_port(uport); in uart_set_info()
947 uport->iobase = new_port; in uart_set_info()
948 uport->type = new_info->type; in uart_set_info()
949 uport->hub6 = new_info->hub6; in uart_set_info()
950 uport->iotype = new_info->io_type; in uart_set_info()
951 uport->regshift = new_info->iomem_reg_shift; in uart_set_info()
952 uport->mapbase = (unsigned long)new_info->iomem_base; in uart_set_info()
957 if (uport->type != PORT_UNKNOWN && uport->ops->request_port) { in uart_set_info()
958 retval = uport->ops->request_port(uport); in uart_set_info()
969 uport->iobase = old_iobase; in uart_set_info()
970 uport->type = old_type; in uart_set_info()
971 uport->hub6 = old_hub6; in uart_set_info()
972 uport->iotype = old_iotype; in uart_set_info()
973 uport->regshift = old_shift; in uart_set_info()
974 uport->mapbase = old_mapbase; in uart_set_info()
977 retval = uport->ops->request_port(uport); in uart_set_info()
983 uport->type = PORT_UNKNOWN; in uart_set_info()
997 uport->irq = new_info->irq; in uart_set_info()
998 if (!(uport->flags & UPF_FIXED_PORT)) in uart_set_info()
999 uport->uartclk = new_info->baud_base * 16; in uart_set_info()
1000 uport->flags = (uport->flags & ~UPF_CHANGE_MASK) | in uart_set_info()
1002 uport->custom_divisor = new_info->custom_divisor; in uart_set_info()
1006 uport->fifosize = new_info->xmit_fifo_size; in uart_set_info()
1010 if (uport->type == PORT_UNKNOWN) in uart_set_info()
1013 if (((old_flags ^ uport->flags) & UPF_SPD_MASK) || in uart_set_info()
1014 old_custom_divisor != uport->custom_divisor) { in uart_set_info()
1019 if (uport->flags & UPF_SPD_MASK) { in uart_set_info()
1020 dev_notice_ratelimited(uport->dev, in uart_set_info()
1068 struct uart_port *uport = uart_port_check(state); in uart_get_lsr_info() local
1071 result = uport->ops->tx_empty(uport); in uart_get_lsr_info()
1079 if (uport->x_char || in uart_get_lsr_info()
1081 !uart_tx_stopped(uport))) in uart_get_lsr_info()
1091 struct uart_port *uport; in uart_tiocmget() local
1095 uport = uart_port_check(state); in uart_tiocmget()
1096 if (!uport) in uart_tiocmget()
1100 result = uport->mctrl; in uart_tiocmget()
1101 spin_lock_irq(&uport->lock); in uart_tiocmget()
1102 result |= uport->ops->get_mctrl(uport); in uart_tiocmget()
1103 spin_unlock_irq(&uport->lock); in uart_tiocmget()
1115 struct uart_port *uport; in uart_tiocmset() local
1119 uport = uart_port_check(state); in uart_tiocmset()
1120 if (!uport) in uart_tiocmset()
1124 uart_update_mctrl(uport, set, clear); in uart_tiocmset()
1136 struct uart_port *uport; in uart_break_ctl() local
1140 uport = uart_port_check(state); in uart_break_ctl()
1141 if (!uport) in uart_break_ctl()
1144 if (uport->type != PORT_UNKNOWN && uport->ops->break_ctl) in uart_break_ctl()
1145 uport->ops->break_ctl(uport, break_state); in uart_break_ctl()
1155 struct uart_port *uport; in uart_do_autoconfig() local
1169 uport = uart_port_check(state); in uart_do_autoconfig()
1170 if (!uport) { in uart_do_autoconfig()
1183 if (uport->type != PORT_UNKNOWN && uport->ops->release_port) in uart_do_autoconfig()
1184 uport->ops->release_port(uport); in uart_do_autoconfig()
1187 if (uport->flags & UPF_AUTO_IRQ) in uart_do_autoconfig()
1194 uport->ops->config_port(uport, flags); in uart_do_autoconfig()
1207 static void uart_enable_ms(struct uart_port *uport) in uart_enable_ms() argument
1212 if (uport->ops->enable_ms) in uart_enable_ms()
1213 uport->ops->enable_ms(uport); in uart_enable_ms()
1227 struct uart_port *uport; in uart_wait_modem_status() local
1236 uport = uart_port_ref(state); in uart_wait_modem_status()
1237 if (!uport) in uart_wait_modem_status()
1239 spin_lock_irq(&uport->lock); in uart_wait_modem_status()
1240 memcpy(&cprev, &uport->icount, sizeof(struct uart_icount)); in uart_wait_modem_status()
1241 uart_enable_ms(uport); in uart_wait_modem_status()
1242 spin_unlock_irq(&uport->lock); in uart_wait_modem_status()
1246 spin_lock_irq(&uport->lock); in uart_wait_modem_status()
1247 memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); in uart_wait_modem_status()
1248 spin_unlock_irq(&uport->lock); in uart_wait_modem_status()
1272 uart_port_deref(uport); in uart_wait_modem_status()
1288 struct uart_port *uport; in uart_get_icount() local
1290 uport = uart_port_ref(state); in uart_get_icount()
1291 if (!uport) in uart_get_icount()
1293 spin_lock_irq(&uport->lock); in uart_get_icount()
1294 memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); in uart_get_icount()
1295 spin_unlock_irq(&uport->lock); in uart_get_icount()
1296 uart_port_deref(uport); in uart_get_icount()
1582 struct uart_port *uport; in uart_ioctl() local
1623 uport = uart_port_check(state); in uart_ioctl()
1625 if (!uport || tty_io_error(tty)) { in uart_ioctl()
1641 ret = uart_get_rs485_config(uport, uarg); in uart_ioctl()
1645 ret = uart_set_rs485_config(tty, uport, uarg); in uart_ioctl()
1656 if (uport->ops->ioctl) in uart_ioctl()
1657 ret = uport->ops->ioctl(uport, cmd, arg); in uart_ioctl()
1671 struct uart_port *uport; in uart_set_ldisc() local
1678 uport = uart_port_check(state); in uart_set_ldisc()
1679 if (uport && uport->ops->set_ldisc) in uart_set_ldisc()
1680 uport->ops->set_ldisc(uport, &tty->termios); in uart_set_ldisc()
1688 struct uart_port *uport; in uart_set_termios() local
1694 uport = uart_port_check(state); in uart_set_termios()
1695 if (!uport) in uart_set_termios()
1702 if (uport->flags & UPF_SOFT_FLOW) { in uart_set_termios()
1729 uart_clear_mctrl(uport, TIOCM_RTS | TIOCM_DTR); in uart_set_termios()
1736 uart_set_mctrl(uport, mask); in uart_set_termios()
1771 struct uart_port *uport = uart_port_check(state); in uart_tty_port_shutdown() local
1778 if (WARN(!uport, "detached port still initialized!\n")) in uart_tty_port_shutdown()
1781 spin_lock_irq(&uport->lock); in uart_tty_port_shutdown()
1782 uport->ops->stop_rx(uport); in uart_tty_port_shutdown()
1783 spin_unlock_irq(&uport->lock); in uart_tty_port_shutdown()
1785 serial_base_port_shutdown(uport); in uart_tty_port_shutdown()
1798 spin_lock_irq(&uport->lock); in uart_tty_port_shutdown()
1802 spin_unlock_irq(&uport->lock); in uart_tty_port_shutdown()
1881 struct uart_port *uport; in uart_hangup() local
1887 uport = uart_port_check(state); in uart_hangup()
1888 WARN(!uport, "hangup of detached port!\n"); in uart_hangup()
1898 if (uport && !uart_console(uport)) in uart_hangup()
1910 struct uart_port *uport = uart_port_check(state); in uart_port_shutdown() local
1921 if (uport) { in uart_port_shutdown()
1923 uport->ops->shutdown(uport); in uart_port_shutdown()
1926 synchronize_irq(uport->irq); in uart_port_shutdown()
1933 struct uart_port *uport; in uart_carrier_raised() local
1936 uport = uart_port_ref(state); in uart_carrier_raised()
1943 if (WARN_ON(!uport)) in uart_carrier_raised()
1945 spin_lock_irq(&uport->lock); in uart_carrier_raised()
1946 uart_enable_ms(uport); in uart_carrier_raised()
1947 mctrl = uport->ops->get_mctrl(uport); in uart_carrier_raised()
1948 spin_unlock_irq(&uport->lock); in uart_carrier_raised()
1949 uart_port_deref(uport); in uart_carrier_raised()
1957 struct uart_port *uport; in uart_dtr_rts() local
1959 uport = uart_port_ref(state); in uart_dtr_rts()
1960 if (!uport) in uart_dtr_rts()
1962 uart_port_dtr_rts(uport, active); in uart_dtr_rts()
1963 uart_port_deref(uport); in uart_dtr_rts()
2001 struct uart_port *uport; in uart_port_activate() local
2004 uport = uart_port_check(state); in uart_port_activate()
2005 if (!uport || uport->flags & UPF_DEAD) in uart_port_activate()
2038 struct uart_port *uport; in uart_line_info() local
2044 uport = uart_port_check(state); in uart_line_info()
2045 if (!uport) in uart_line_info()
2048 mmio = uport->iotype >= UPIO_MEM; in uart_line_info()
2050 uport->line, uart_type(uport), in uart_line_info()
2052 mmio ? (unsigned long long)uport->mapbase in uart_line_info()
2053 : (unsigned long long)uport->iobase, in uart_line_info()
2054 uport->irq); in uart_line_info()
2056 if (uport->type == PORT_UNKNOWN) { in uart_line_info()
2065 spin_lock_irq(&uport->lock); in uart_line_info()
2066 status = uport->ops->get_mctrl(uport); in uart_line_info()
2067 spin_unlock_irq(&uport->lock); in uart_line_info()
2072 uport->icount.tx, uport->icount.rx); in uart_line_info()
2073 if (uport->icount.frame) in uart_line_info()
2074 seq_printf(m, " fe:%d", uport->icount.frame); in uart_line_info()
2075 if (uport->icount.parity) in uart_line_info()
2076 seq_printf(m, " pe:%d", uport->icount.parity); in uart_line_info()
2077 if (uport->icount.brk) in uart_line_info()
2078 seq_printf(m, " brk:%d", uport->icount.brk); in uart_line_info()
2079 if (uport->icount.overrun) in uart_line_info()
2080 seq_printf(m, " oe:%d", uport->icount.overrun); in uart_line_info()
2081 if (uport->icount.buf_overrun) in uart_line_info()
2082 seq_printf(m, " bo:%d", uport->icount.buf_overrun); in uart_line_info()
2085 if (uport->mctrl & (bit)) \ in uart_line_info()
2380 int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) in uart_suspend_port() argument
2382 struct uart_state *state = drv->state + uport->line; in uart_suspend_port()
2385 struct uart_match match = {uport, drv}; in uart_suspend_port()
2389 tty_dev = device_find_child(uport->dev, &match, serial_match_port); in uart_suspend_port()
2391 enable_irq_wake(uport->irq); in uart_suspend_port()
2404 if (!console_suspend_enabled && uart_console(uport)) { in uart_suspend_port()
2405 if (uport->ops->start_rx) { in uart_suspend_port()
2406 spin_lock_irq(&uport->lock); in uart_suspend_port()
2407 uport->ops->stop_rx(uport); in uart_suspend_port()
2408 spin_unlock_irq(&uport->lock); in uart_suspend_port()
2413 uport->suspended = 1; in uart_suspend_port()
2416 const struct uart_ops *ops = uport->ops; in uart_suspend_port()
2423 spin_lock_irq(&uport->lock); in uart_suspend_port()
2424 ops->stop_tx(uport); in uart_suspend_port()
2425 if (!(uport->rs485.flags & SER_RS485_ENABLED)) in uart_suspend_port()
2426 ops->set_mctrl(uport, 0); in uart_suspend_port()
2428 mctrl = uport->mctrl; in uart_suspend_port()
2429 uport->mctrl = 0; in uart_suspend_port()
2430 ops->stop_rx(uport); in uart_suspend_port()
2431 spin_unlock_irq(&uport->lock); in uart_suspend_port()
2436 for (tries = 3; !ops->tx_empty(uport) && tries; tries--) in uart_suspend_port()
2439 dev_err(uport->dev, "%s: Unable to drain transmitter\n", in uart_suspend_port()
2440 uport->name); in uart_suspend_port()
2442 ops->shutdown(uport); in uart_suspend_port()
2443 uport->mctrl = mctrl; in uart_suspend_port()
2449 if (uart_console(uport)) in uart_suspend_port()
2450 console_stop(uport->cons); in uart_suspend_port()
2460 int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) in uart_resume_port() argument
2462 struct uart_state *state = drv->state + uport->line; in uart_resume_port()
2465 struct uart_match match = {uport, drv}; in uart_resume_port()
2470 tty_dev = device_find_child(uport->dev, &match, serial_match_port); in uart_resume_port()
2471 if (!uport->suspended && device_may_wakeup(tty_dev)) { in uart_resume_port()
2472 if (irqd_is_wakeup_set(irq_get_irq_data((uport->irq)))) in uart_resume_port()
2473 disable_irq_wake(uport->irq); in uart_resume_port()
2479 uport->suspended = 0; in uart_resume_port()
2484 if (uart_console(uport)) { in uart_resume_port()
2489 termios.c_cflag = uport->cons->cflag; in uart_resume_port()
2490 termios.c_ispeed = uport->cons->ispeed; in uart_resume_port()
2491 termios.c_ospeed = uport->cons->ospeed; in uart_resume_port()
2501 uport->ops->set_termios(uport, &termios, NULL); in uart_resume_port()
2502 if (!console_suspend_enabled && uport->ops->start_rx) { in uart_resume_port()
2503 spin_lock_irq(&uport->lock); in uart_resume_port()
2504 uport->ops->start_rx(uport); in uart_resume_port()
2505 spin_unlock_irq(&uport->lock); in uart_resume_port()
2508 console_start(uport->cons); in uart_resume_port()
2512 const struct uart_ops *ops = uport->ops; in uart_resume_port()
2516 spin_lock_irq(&uport->lock); in uart_resume_port()
2517 if (!(uport->rs485.flags & SER_RS485_ENABLED)) in uart_resume_port()
2518 ops->set_mctrl(uport, 0); in uart_resume_port()
2519 spin_unlock_irq(&uport->lock); in uart_resume_port()
2520 if (console_suspend_enabled || !uart_console(uport)) { in uart_resume_port()
2524 ret = ops->startup(uport); in uart_resume_port()
2528 uart_rs485_config(uport); in uart_resume_port()
2529 spin_lock_irq(&uport->lock); in uart_resume_port()
2530 if (!(uport->rs485.flags & SER_RS485_ENABLED)) in uart_resume_port()
2531 ops->set_mctrl(uport, uport->mctrl); in uart_resume_port()
2532 ops->start_tx(uport); in uart_resume_port()
2533 spin_unlock_irq(&uport->lock); in uart_resume_port()
3046 struct uart_port *uport; in console_show() local
3050 uport = uart_port_check(state); in console_show()
3051 if (uport) in console_show()
3052 console = uart_console_registered(uport); in console_show()
3063 struct uart_port *uport; in console_store() local
3072 uport = uart_port_check(state); in console_store()
3073 if (uport) { in console_store()
3074 oldconsole = uart_console_registered(uport); in console_store()
3076 ret = unregister_console(uport->cons); in console_store()
3078 if (uart_console(uport)) { in console_store()
3079 uport->console_reinit = 1; in console_store()
3080 register_console(uport->cons); in console_store()
3142 static int serial_core_add_one_port(struct uart_driver *drv, struct uart_port *uport) in serial_core_add_one_port() argument
3150 if (uport->line >= drv->nr) in serial_core_add_one_port()
3153 state = drv->state + uport->line; in serial_core_add_one_port()
3165 state->uart_port = uport; in serial_core_add_one_port()
3166 uport->state = state; in serial_core_add_one_port()
3169 uport->cons = drv->cons; in serial_core_add_one_port()
3170 uport->minor = drv->tty_driver->minor_start + uport->line; in serial_core_add_one_port()
3171 uport->name = kasprintf(GFP_KERNEL, "%s%d", drv->dev_name, in serial_core_add_one_port()
3172 drv->tty_driver->name_base + uport->line); in serial_core_add_one_port()
3173 if (!uport->name) { in serial_core_add_one_port()
3182 if (!uart_console_registered(uport)) in serial_core_add_one_port()
3183 uart_port_spin_lock_init(uport); in serial_core_add_one_port()
3185 if (uport->cons && uport->dev) in serial_core_add_one_port()
3186 of_console_check(uport->dev->of_node, uport->cons->name, uport->line); in serial_core_add_one_port()
3188 tty_port_link_device(port, drv->tty_driver, uport->line); in serial_core_add_one_port()
3189 uart_configure_port(drv, state, uport); in serial_core_add_one_port()
3191 port->console = uart_console(uport); in serial_core_add_one_port()
3194 if (uport->attr_group) in serial_core_add_one_port()
3197 uport->tty_groups = kcalloc(num_groups, sizeof(*uport->tty_groups), in serial_core_add_one_port()
3199 if (!uport->tty_groups) { in serial_core_add_one_port()
3203 uport->tty_groups[0] = &tty_dev_attr_group; in serial_core_add_one_port()
3204 if (uport->attr_group) in serial_core_add_one_port()
3205 uport->tty_groups[1] = uport->attr_group; in serial_core_add_one_port()
3212 uport->line, uport->dev, port, uport->tty_groups); in serial_core_add_one_port()
3216 dev_err(uport->dev, "Cannot register tty device on line %d\n", in serial_core_add_one_port()
3217 uport->line); in serial_core_add_one_port()
3238 struct uart_port *uport) in serial_core_remove_one_port() argument
3240 struct uart_state *state = drv->state + uport->line; in serial_core_remove_one_port()
3247 if (uart_port != uport) in serial_core_remove_one_port()
3248 dev_alert(uport->dev, "Removing wrong port: %p != %p\n", in serial_core_remove_one_port()
3249 uart_port, uport); in serial_core_remove_one_port()
3260 tty_port_unregister_device(port, drv->tty_driver, uport->line); in serial_core_remove_one_port()
3271 if (uart_console(uport)) in serial_core_remove_one_port()
3272 unregister_console(uport->cons); in serial_core_remove_one_port()
3277 if (uport->type != PORT_UNKNOWN && uport->ops->release_port) in serial_core_remove_one_port()
3278 uport->ops->release_port(uport); in serial_core_remove_one_port()
3279 kfree(uport->tty_groups); in serial_core_remove_one_port()
3280 kfree(uport->name); in serial_core_remove_one_port()
3285 uport->type = PORT_UNKNOWN; in serial_core_remove_one_port()
3286 uport->port_dev = NULL; in serial_core_remove_one_port()
3473 void uart_handle_dcd_change(struct uart_port *uport, bool active) in uart_handle_dcd_change() argument
3475 struct tty_port *port = &uport->state->port; in uart_handle_dcd_change()
3479 lockdep_assert_held_once(&uport->lock); in uart_handle_dcd_change()
3490 uport->icount.dcd++; in uart_handle_dcd_change()
3492 if (uart_dcd_enabled(uport)) { in uart_handle_dcd_change()
3508 void uart_handle_cts_change(struct uart_port *uport, bool active) in uart_handle_cts_change() argument
3510 lockdep_assert_held_once(&uport->lock); in uart_handle_cts_change()
3512 uport->icount.cts++; in uart_handle_cts_change()
3514 if (uart_softcts_mode(uport)) { in uart_handle_cts_change()
3515 if (uport->hw_stopped) { in uart_handle_cts_change()
3517 uport->hw_stopped = false; in uart_handle_cts_change()
3518 uport->ops->start_tx(uport); in uart_handle_cts_change()
3519 uart_write_wakeup(uport); in uart_handle_cts_change()
3523 uport->hw_stopped = true; in uart_handle_cts_change()
3524 uport->ops->stop_tx(uport); in uart_handle_cts_change()