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path: root/drivers/tty/serial/samsung.c
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Diffstat (limited to 'drivers/tty/serial/samsung.c')
-rw-r--r--drivers/tty/serial/samsung.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/tty/serial/samsung.c b/drivers/tty/serial/samsung.c
index d36b2bd39e30..33a953e4cf16 100644
--- a/drivers/tty/serial/samsung.c
+++ b/drivers/tty/serial/samsung.c
@@ -199,12 +199,14 @@ static void s3c24xx_serial_stop_rx(struct uart_port *port)
}
}
-static inline struct s3c24xx_uart_info *s3c24xx_port_to_info(struct uart_port *port)
+static inline struct s3c24xx_uart_info
+ *s3c24xx_port_to_info(struct uart_port *port)
{
return to_ourport(port)->info;
}
-static inline struct s3c2410_uartcfg *s3c24xx_port_to_cfg(struct uart_port *port)
+static inline struct s3c2410_uartcfg
+ *s3c24xx_port_to_cfg(struct uart_port *port)
{
struct s3c24xx_uart_port *ourport;
@@ -311,14 +313,14 @@ s3c24xx_serial_rx_chars(int irq, void *dev_id)
uart_insert_char(port, uerstat, S3C2410_UERSTAT_OVERRUN,
ch, flag);
- ignore_char:
+ignore_char:
continue;
}
spin_unlock_irqrestore(&port->lock, flags);
tty_flip_buffer_push(&port->state->port);
- out:
+out:
return IRQ_HANDLED;
}
@@ -368,7 +370,7 @@ static irqreturn_t s3c24xx_serial_tx_chars(int irq, void *id)
if (uart_circ_empty(xmit))
s3c24xx_serial_stop_tx(port);
- out:
+out:
spin_unlock_irqrestore(&port->lock, flags);
return IRQ_HANDLED;
}
@@ -519,7 +521,7 @@ static int s3c24xx_serial_startup(struct uart_port *port)
return ret;
- err:
+err:
s3c24xx_serial_shutdown(port);
return ret;
}
@@ -845,8 +847,8 @@ static void s3c24xx_serial_set_termios(struct uart_port *port,
*/
port->read_status_mask = S3C2410_UERSTAT_OVERRUN;
if (termios->c_iflag & INPCK)
- port->read_status_mask |= S3C2410_UERSTAT_FRAME | S3C2410_UERSTAT_PARITY;
-
+ port->read_status_mask |= S3C2410_UERSTAT_FRAME |
+ S3C2410_UERSTAT_PARITY;
/*
* Which character status flags should we ignore?
*/
@@ -973,10 +975,13 @@ static struct uart_driver s3c24xx_uart_drv = {
.minor = S3C24XX_SERIAL_MINOR,
};
-static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS] = {
+#define __PORT_LOCK_UNLOCKED(i) \
+ __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[i].port.lock)
+static struct s3c24xx_uart_port
+s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS] = {
[0] = {
.port = {
- .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[0].port.lock),
+ .lock = __PORT_LOCK_UNLOCKED(0),
.iotype = UPIO_MEM,
.uartclk = 0,
.fifosize = 16,
@@ -987,7 +992,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS
},
[1] = {
.port = {
- .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[1].port.lock),
+ .lock = __PORT_LOCK_UNLOCKED(1),
.iotype = UPIO_MEM,
.uartclk = 0,
.fifosize = 16,
@@ -1000,7 +1005,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS
[2] = {
.port = {
- .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[2].port.lock),
+ .lock = __PORT_LOCK_UNLOCKED(2),
.iotype = UPIO_MEM,
.uartclk = 0,
.fifosize = 16,
@@ -1013,7 +1018,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS
#if CONFIG_SERIAL_SAMSUNG_UARTS > 3
[3] = {
.port = {
- .lock = __SPIN_LOCK_UNLOCKED(s3c24xx_serial_ports[3].port.lock),
+ .lock = __PORT_LOCK_UNLOCKED(3),
.iotype = UPIO_MEM,
.uartclk = 0,
.fifosize = 16,
@@ -1024,6 +1029,7 @@ static struct s3c24xx_uart_port s3c24xx_serial_ports[CONFIG_SERIAL_SAMSUNG_UARTS
}
#endif
};
+#undef __PORT_LOCK_UNLOCKED
/* s3c24xx_serial_resetport
*
@@ -1106,11 +1112,12 @@ static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb,
s3c24xx_serial_set_termios(uport, termios, NULL);
}
- exit:
+exit:
return 0;
}
-static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+static inline int
+s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
{
port->freq_transition.notifier_call = s3c24xx_serial_cpufreq_transition;
@@ -1118,19 +1125,22 @@ static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port
CPUFREQ_TRANSITION_NOTIFIER);
}
-static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+static inline void
+s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
{
cpufreq_unregister_notifier(&port->freq_transition,
CPUFREQ_TRANSITION_NOTIFIER);
}
#else
-static inline int s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
+static inline int
+s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port)
{
return 0;
}
-static inline void s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
+static inline void
+s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port)
{
}
#endif