diff options
| -rw-r--r-- | drivers/tty/serial/samsung.c | 46 |
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 |