| #include <linux/console.h> |
| /* ----------------------------------------------------------------------------- */ |
| /* trivial console driver -- simply dump everything to stderr */ |
| * Don't register by default -- as this registeres very early in the |
| * boot process it becomes the default console. And as this isn't a |
| * real tty driver init isn't able to open /dev/console then. |
| * In most cases this isn't what you want ... |
| static int use_stderr_console = 0; |
| static void stderr_console_write(struct console *console, const char *string, |
| generic_write(2 /* stderr */, string, len, NULL); |
| static struct console stderr_console = { |
| .write = stderr_console_write, |
| .flags = CON_PRINTBUFFER, |
| static int __init stderr_console_init(void) |
| register_console(&stderr_console); |
| console_initcall(stderr_console_init); |
| static int stderr_setup(char *str) |
| use_stderr_console = simple_strtoul(str,&str,0); |
| __setup("stderr=", stderr_setup); |