diff options
Diffstat (limited to 'drivers/serial/mpc52xx_uart.c')
| -rw-r--r-- | drivers/serial/mpc52xx_uart.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/drivers/serial/mpc52xx_uart.c b/drivers/serial/mpc52xx_uart.c index 4dcf0310bef..1288d6203e9 100644 --- a/drivers/serial/mpc52xx_uart.c +++ b/drivers/serial/mpc52xx_uart.c @@ -37,11 +37,11 @@ * by the bootloader or in the platform init code. * * The idx field must be equal to the PSC index ( e.g. 0 for PSC1, 1 for PSC2, - * and so on). So the PSC1 is mapped to /dev/ttyS0, PSC2 to /dev/ttyS1 and so - * on. But be warned, it's an ABSOLUTE REQUIREMENT ! This is needed mainly for - * the console code : without this 1:1 mapping, at early boot time, when we are - * parsing the kernel args console=ttyS?, we wouldn't know wich PSC it will be - * mapped to. + * and so on). So the PSC1 is mapped to /dev/ttyPSC0, PSC2 to /dev/ttyPSC1 and + * so on. But be warned, it's an ABSOLUTE REQUIREMENT ! This is needed mainly + * fpr the console code : without this 1:1 mapping, at early boot time, when we + * are parsing the kernel args console=ttyPSC?, we wouldn't know wich PSC it + * will be mapped to. */ #include <linux/config.h> @@ -65,6 +65,10 @@ #include <linux/serial_core.h> +/* We've been assigned a range on the "Low-density serial ports" major */ +#define SERIAL_PSC_MAJOR 204 +#define SERIAL_PSC_MINOR 148 + #define ISR_PASS_LIMIT 256 /* Max number of iteration in the interrupt */ @@ -671,12 +675,12 @@ mpc52xx_console_setup(struct console *co, char *options) static struct uart_driver mpc52xx_uart_driver; static struct console mpc52xx_console = { - .name = "ttyS", + .name = "ttyPSC", .write = mpc52xx_console_write, .device = uart_console_device, .setup = mpc52xx_console_setup, .flags = CON_PRINTBUFFER, - .index = -1, /* Specified on the cmdline (e.g. console=ttyS0 ) */ + .index = -1, /* Specified on the cmdline (e.g. console=ttyPSC0 ) */ .data = &mpc52xx_uart_driver, }; @@ -703,10 +707,10 @@ console_initcall(mpc52xx_console_init); static struct uart_driver mpc52xx_uart_driver = { .owner = THIS_MODULE, .driver_name = "mpc52xx_psc_uart", - .dev_name = "ttyS", - .devfs_name = "ttyS", - .major = TTY_MAJOR, - .minor = 64, + .dev_name = "ttyPSC", + .devfs_name = "ttyPSC", + .major = SERIAL_PSC_MAJOR, + .minor = SERIAL_PSC_MINOR, .nr = MPC52xx_PSC_MAXNUM, .cons = MPC52xx_PSC_CONSOLE, }; |