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path: root/drivers/tty/serial/serial_core.c
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Diffstat (limited to 'drivers/tty/serial/serial_core.c')
-rw-r--r--drivers/tty/serial/serial_core.c88
1 files changed, 44 insertions, 44 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
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-14 19:53:36 +0000