diff options
-rw-r--r-- | drivers/tty/serial/serial_core.c | 88 | ||||
-rw-r--r-- | drivers/tty/serial/serial_port.c | 4 |
2 files changed, 46 insertions, 46 deletions
diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 7bdc21d5e13b..b32bbd7aa3d3 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -79,7 +79,7 @@ static inline void uart_port_deref(struct uart_port *uport) ({ \ struct uart_port *__uport = uart_port_ref(state); \ if (__uport) \ - spin_lock_irqsave(&__uport->lock, flags); \ + uart_port_lock_irqsave(__uport, &flags); \ __uport; \ }) @@ -87,7 +87,7 @@ static inline void uart_port_deref(struct uart_port *uport) ({ \ struct uart_port *__uport = uport; \ if (__uport) { \ - spin_unlock_irqrestore(&__uport->lock, flags); \ + uart_port_unlock_irqrestore(__uport, flags); \ uart_port_deref(__uport); \ } \ }) @@ -179,12 +179,12 @@ uart_update_mctrl(struct uart_port *port, unsigned int set, unsigned int clear) unsigned long flags; unsigned int old; - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); old = port->mctrl; port->mctrl = (old & ~clear) | set; if (old != port->mctrl && !(port->rs485.flags & SER_RS485_ENABLED)) port->ops->set_mctrl(port, port->mctrl); - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); } #define uart_set_mctrl(port, set) uart_update_mctrl(port, set, 0) @@ -219,7 +219,7 @@ static void uart_change_line_settings(struct tty_struct *tty, struct uart_state /* * Set modem status enables based on termios cflag */ - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); if (termios->c_cflag & CRTSCTS) uport->status |= UPSTAT_CTS_ENABLE; else @@ -240,7 +240,7 @@ static void uart_change_line_settings(struct tty_struct *tty, struct uart_state else __uart_start(state); } - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); } /* @@ -702,11 +702,11 @@ static void uart_send_xchar(struct tty_struct *tty, char ch) if (port->ops->send_xchar) port->ops->send_xchar(port, ch); else { - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); port->x_char = ch; if (ch) port->ops->start_tx(port); - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); } uart_port_deref(port); } @@ -1085,9 +1085,9 @@ static int uart_tiocmget(struct tty_struct *tty) if (!tty_io_error(tty)) { result = uport->mctrl; - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); result |= uport->ops->get_mctrl(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); } out: mutex_unlock(&port->mutex); @@ -1223,16 +1223,16 @@ static int uart_wait_modem_status(struct uart_state *state, unsigned long arg) uport = uart_port_ref(state); if (!uport) return -EIO; - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); memcpy(&cprev, &uport->icount, sizeof(struct uart_icount)); uart_enable_ms(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); add_wait_queue(&port->delta_msr_wait, &wait); for (;;) { - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); set_current_state(TASK_INTERRUPTIBLE); @@ -1277,9 +1277,9 @@ static int uart_get_icount(struct tty_struct *tty, uport = uart_port_ref(state); if (!uport) return -EIO; - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); memcpy(&cnow, &uport->icount, sizeof(struct uart_icount)); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); uart_port_deref(uport); icount->cts = cnow.cts; @@ -1422,9 +1422,9 @@ static int uart_get_rs485_config(struct uart_port *port, unsigned long flags; struct serial_rs485 aux; - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); aux = port->rs485; - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); if (copy_to_user(rs485, &aux, sizeof(aux))) return -EFAULT; @@ -1451,7 +1451,7 @@ static int uart_set_rs485_config(struct tty_struct *tty, struct uart_port *port, uart_sanitize_serial_rs485(port, &rs485); uart_set_rs485_termination(port, &rs485); - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); ret = port->rs485_config(port, &tty->termios, &rs485); if (!ret) { port->rs485 = rs485; @@ -1460,7 +1460,7 @@ static int uart_set_rs485_config(struct tty_struct *tty, struct uart_port *port, if (!(rs485.flags & SER_RS485_ENABLED)) port->ops->set_mctrl(port, port->mctrl); } - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); if (ret) return ret; @@ -1479,9 +1479,9 @@ static int uart_get_iso7816_config(struct uart_port *port, if (!port->iso7816_config) return -ENOTTY; - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); aux = port->iso7816; - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); if (copy_to_user(iso7816, &aux, sizeof(aux))) return -EFAULT; @@ -1510,9 +1510,9 @@ static int uart_set_iso7816_config(struct uart_port *port, if (iso7816.reserved[i]) return -EINVAL; - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); ret = port->iso7816_config(port, &iso7816); - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); if (ret) return ret; @@ -1729,9 +1729,9 @@ static void uart_tty_port_shutdown(struct tty_port *port) if (WARN(!uport, "detached port still initialized!\n")) return; - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); uport->ops->stop_rx(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); uart_port_shutdown(port); @@ -1745,10 +1745,10 @@ static void uart_tty_port_shutdown(struct tty_port *port) /* * Free the transmit buffer. */ - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); buf = state->xmit.buf; state->xmit.buf = NULL; - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); free_page((unsigned long)buf); @@ -1891,10 +1891,10 @@ static bool uart_carrier_raised(struct tty_port *port) */ if (WARN_ON(!uport)) return true; - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); uart_enable_ms(uport); mctrl = uport->ops->get_mctrl(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); uart_port_deref(uport); return mctrl & TIOCM_CAR; @@ -2011,9 +2011,9 @@ static void uart_line_info(struct seq_file *m, struct uart_driver *drv, int i) pm_state = state->pm_state; if (pm_state != UART_PM_STATE_ON) uart_change_pm(state, UART_PM_STATE_ON); - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); status = uport->ops->get_mctrl(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); if (pm_state != UART_PM_STATE_ON) uart_change_pm(state, pm_state); @@ -2352,9 +2352,9 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) */ if (!console_suspend_enabled && uart_console(uport)) { if (uport->ops->start_rx) { - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); uport->ops->stop_rx(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); } goto unlock; } @@ -2369,7 +2369,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) tty_port_set_suspended(port, true); tty_port_set_initialized(port, false); - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); ops->stop_tx(uport); if (!(uport->rs485.flags & SER_RS485_ENABLED)) ops->set_mctrl(uport, 0); @@ -2377,7 +2377,7 @@ int uart_suspend_port(struct uart_driver *drv, struct uart_port *uport) mctrl = uport->mctrl; uport->mctrl = 0; ops->stop_rx(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); /* * Wait for the transmitter to empty. @@ -2449,9 +2449,9 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) uart_change_pm(state, UART_PM_STATE_ON); uport->ops->set_termios(uport, &termios, NULL); if (!console_suspend_enabled && uport->ops->start_rx) { - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); uport->ops->start_rx(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); } if (console_suspend_enabled) console_start(uport->cons); @@ -2462,10 +2462,10 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) int ret; uart_change_pm(state, UART_PM_STATE_ON); - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); if (!(uport->rs485.flags & SER_RS485_ENABLED)) ops->set_mctrl(uport, 0); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); if (console_suspend_enabled || !uart_console(uport)) { /* Protected by port mutex for now */ struct tty_struct *tty = port->tty; @@ -2474,13 +2474,13 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) if (ret == 0) { if (tty) uart_change_line_settings(tty, state, NULL); - spin_lock_irq(&uport->lock); + uart_port_lock_irq(uport); if (!(uport->rs485.flags & SER_RS485_ENABLED)) ops->set_mctrl(uport, uport->mctrl); else uart_rs485_config(uport); ops->start_tx(uport); - spin_unlock_irq(&uport->lock); + uart_port_unlock_irq(uport); tty_port_set_initialized(port, true); } else { /* @@ -2583,13 +2583,13 @@ uart_configure_port(struct uart_driver *drv, struct uart_state *state, * keep the DTR setting that is set in uart_set_options() * We probably don't need a spinlock around this, but */ - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); port->mctrl &= TIOCM_DTR; if (!(port->rs485.flags & SER_RS485_ENABLED)) port->ops->set_mctrl(port, port->mctrl); else uart_rs485_config(port); - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); /* * If this driver supports console, and it hasn't been diff --git a/drivers/tty/serial/serial_port.c b/drivers/tty/serial/serial_port.c index 862423237007..88975a4df306 100644 --- a/drivers/tty/serial/serial_port.c +++ b/drivers/tty/serial/serial_port.c @@ -35,10 +35,10 @@ static int serial_port_runtime_resume(struct device *dev) goto out; /* Flush any pending TX for the port */ - spin_lock_irqsave(&port->lock, flags); + uart_port_lock_irqsave(port, &flags); if (__serial_port_busy(port)) port->ops->start_tx(port); - spin_unlock_irqrestore(&port->lock, flags); + uart_port_unlock_irqrestore(port, flags); out: pm_runtime_mark_last_busy(dev); |