diff options
Diffstat (limited to 'drivers/tty/serial/samsung_tty.c')
| -rw-r--r-- | drivers/tty/serial/samsung_tty.c | 199 |
1 files changed, 0 insertions, 199 deletions
diff --git a/drivers/tty/serial/samsung_tty.c b/drivers/tty/serial/samsung_tty.c index 0fce856434da..2a7520ad3abd 100644 --- a/drivers/tty/serial/samsung_tty.c +++ b/drivers/tty/serial/samsung_tty.c @@ -152,10 +152,6 @@ struct s3c24xx_uart_port { const struct s3c2410_uartcfg *cfg; struct s3c24xx_uart_dma *dma; - -#ifdef CONFIG_ARM_S3C24XX_CPUFREQ - struct notifier_block freq_transition; -#endif }; static void s3c24xx_serial_tx_chars(struct s3c24xx_uart_port *ourport); @@ -1855,93 +1851,6 @@ static void s3c24xx_serial_resetport(struct uart_port *port, udelay(1); } -#ifdef CONFIG_ARM_S3C24XX_CPUFREQ - -static int s3c24xx_serial_cpufreq_transition(struct notifier_block *nb, - unsigned long val, void *data) -{ - struct s3c24xx_uart_port *port; - struct uart_port *uport; - - port = container_of(nb, struct s3c24xx_uart_port, freq_transition); - uport = &port->port; - - /* check to see if port is enabled */ - - if (port->pm_level != 0) - return 0; - - /* try and work out if the baudrate is changing, we can detect - * a change in rate, but we do not have support for detecting - * a disturbance in the clock-rate over the change. - */ - - if (IS_ERR(port->baudclk)) - goto exit; - - if (port->baudclk_rate == clk_get_rate(port->baudclk)) - goto exit; - - if (val == CPUFREQ_PRECHANGE) { - /* we should really shut the port down whilst the - * frequency change is in progress. - */ - - } else if (val == CPUFREQ_POSTCHANGE) { - struct ktermios *termios; - struct tty_struct *tty; - - if (uport->state == NULL) - goto exit; - - tty = uport->state->port.tty; - - if (tty == NULL) - goto exit; - - termios = &tty->termios; - - if (termios == NULL) { - dev_warn(uport->dev, "%s: no termios?\n", __func__); - goto exit; - } - - s3c24xx_serial_set_termios(uport, termios, NULL); - } - -exit: - return 0; -} - -static inline int -s3c24xx_serial_cpufreq_register(struct s3c24xx_uart_port *port) -{ - port->freq_transition.notifier_call = s3c24xx_serial_cpufreq_transition; - - return cpufreq_register_notifier(&port->freq_transition, - CPUFREQ_TRANSITION_NOTIFIER); -} - -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) -{ - return 0; -} - -static inline void -s3c24xx_serial_cpufreq_deregister(struct s3c24xx_uart_port *port) -{ -} -#endif - static int s3c24xx_serial_enable_baudclk(struct s3c24xx_uart_port *ourport) { struct device *dev = ourport->port.dev; @@ -2233,10 +2142,6 @@ static int s3c24xx_serial_probe(struct platform_device *pdev) if (!IS_ERR(ourport->baudclk)) clk_disable_unprepare(ourport->baudclk); - ret = s3c24xx_serial_cpufreq_register(ourport); - if (ret < 0) - dev_err(&pdev->dev, "failed to add cpufreq notifier\n"); - probe_index++; return 0; @@ -2247,7 +2152,6 @@ static int s3c24xx_serial_remove(struct platform_device *dev) struct uart_port *port = s3c24xx_dev_to_port(&dev->dev); if (port) { - s3c24xx_serial_cpufreq_deregister(to_ourport(port)); uart_remove_one_port(&s3c24xx_uart_drv, port); } @@ -2585,94 +2489,6 @@ static struct console s3c24xx_serial_console = { }; #endif /* CONFIG_SERIAL_SAMSUNG_CONSOLE */ -#ifdef CONFIG_CPU_S3C2410 -static const struct s3c24xx_serial_drv_data s3c2410_serial_drv_data = { - .info = { - .name = "Samsung S3C2410 UART", - .type = TYPE_S3C24XX, - .port_type = PORT_S3C2410, - .fifosize = 16, - .rx_fifomask = S3C2410_UFSTAT_RXMASK, - .rx_fifoshift = S3C2410_UFSTAT_RXSHIFT, - .rx_fifofull = S3C2410_UFSTAT_RXFULL, - .tx_fifofull = S3C2410_UFSTAT_TXFULL, - .tx_fifomask = S3C2410_UFSTAT_TXMASK, - .tx_fifoshift = S3C2410_UFSTAT_TXSHIFT, - .def_clk_sel = S3C2410_UCON_CLKSEL0, - .num_clks = 2, - .clksel_mask = S3C2410_UCON_CLKMASK, - .clksel_shift = S3C2410_UCON_CLKSHIFT, - }, - .def_cfg = { - .ucon = S3C2410_UCON_DEFAULT, - .ufcon = S3C2410_UFCON_DEFAULT, - }, -}; -#define S3C2410_SERIAL_DRV_DATA (&s3c2410_serial_drv_data) -#else -#define S3C2410_SERIAL_DRV_DATA NULL -#endif - -#ifdef CONFIG_CPU_S3C2412 -static const struct s3c24xx_serial_drv_data s3c2412_serial_drv_data = { - .info = { - .name = "Samsung S3C2412 UART", - .type = TYPE_S3C24XX, - .port_type = PORT_S3C2412, - .fifosize = 64, - .has_divslot = 1, - .rx_fifomask = S3C2440_UFSTAT_RXMASK, - .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, - .rx_fifofull = S3C2440_UFSTAT_RXFULL, - .tx_fifofull = S3C2440_UFSTAT_TXFULL, - .tx_fifomask = S3C2440_UFSTAT_TXMASK, - .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, - .def_clk_sel = S3C2410_UCON_CLKSEL2, - .num_clks = 4, - .clksel_mask = S3C2412_UCON_CLKMASK, - .clksel_shift = S3C2412_UCON_CLKSHIFT, - }, - .def_cfg = { - .ucon = S3C2410_UCON_DEFAULT, - .ufcon = S3C2410_UFCON_DEFAULT, - }, -}; -#define S3C2412_SERIAL_DRV_DATA (&s3c2412_serial_drv_data) -#else -#define S3C2412_SERIAL_DRV_DATA NULL -#endif - -#if defined(CONFIG_CPU_S3C2440) || defined(CONFIG_CPU_S3C2416) || \ - defined(CONFIG_CPU_S3C2443) || defined(CONFIG_CPU_S3C2442) -static const struct s3c24xx_serial_drv_data s3c2440_serial_drv_data = { - .info = { - .name = "Samsung S3C2440 UART", - .type = TYPE_S3C24XX, - .port_type = PORT_S3C2440, - .fifosize = 64, - .has_divslot = 1, - .rx_fifomask = S3C2440_UFSTAT_RXMASK, - .rx_fifoshift = S3C2440_UFSTAT_RXSHIFT, - .rx_fifofull = S3C2440_UFSTAT_RXFULL, - .tx_fifofull = S3C2440_UFSTAT_TXFULL, - .tx_fifomask = S3C2440_UFSTAT_TXMASK, - .tx_fifoshift = S3C2440_UFSTAT_TXSHIFT, - .def_clk_sel = S3C2410_UCON_CLKSEL2, - .num_clks = 4, - .clksel_mask = S3C2412_UCON_CLKMASK, - .clksel_shift = S3C2412_UCON_CLKSHIFT, - .ucon_mask = S3C2440_UCON0_DIVMASK, - }, - .def_cfg = { - .ucon = S3C2410_UCON_DEFAULT, - .ufcon = S3C2410_UFCON_DEFAULT, - }, -}; -#define S3C2440_SERIAL_DRV_DATA (&s3c2440_serial_drv_data) -#else -#define S3C2440_SERIAL_DRV_DATA NULL -#endif - #if defined(CONFIG_CPU_S3C6400) || defined(CONFIG_CPU_S3C6410) static const struct s3c24xx_serial_drv_data s3c6400_serial_drv_data = { .info = { @@ -2841,15 +2657,6 @@ static const struct s3c24xx_serial_drv_data artpec8_serial_drv_data = { static const struct platform_device_id s3c24xx_serial_driver_ids[] = { { - .name = "s3c2410-uart", - .driver_data = (kernel_ulong_t)S3C2410_SERIAL_DRV_DATA, - }, { - .name = "s3c2412-uart", - .driver_data = (kernel_ulong_t)S3C2412_SERIAL_DRV_DATA, - }, { - .name = "s3c2440-uart", - .driver_data = (kernel_ulong_t)S3C2440_SERIAL_DRV_DATA, - }, { .name = "s3c6400-uart", .driver_data = (kernel_ulong_t)S3C6400_SERIAL_DRV_DATA, }, { @@ -2877,12 +2684,6 @@ MODULE_DEVICE_TABLE(platform, s3c24xx_serial_driver_ids); #ifdef CONFIG_OF static const struct of_device_id s3c24xx_uart_dt_match[] = { - { .compatible = "samsung,s3c2410-uart", - .data = S3C2410_SERIAL_DRV_DATA }, - { .compatible = "samsung,s3c2412-uart", - .data = S3C2412_SERIAL_DRV_DATA }, - { .compatible = "samsung,s3c2440-uart", - .data = S3C2440_SERIAL_DRV_DATA }, { .compatible = "samsung,s3c6400-uart", .data = S3C6400_SERIAL_DRV_DATA }, { .compatible = "samsung,s5pv210-uart", |