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arc_con.c

/*
 * Wrap-around code for a console using the
 * ARC io-routines.
 *
 * Copyright (c) 1998 Harald Koerfgen
 * Copyright (c) 2001 Ralf Baechle
 * Copyright (c) 2002 Thiemo Seufer
 */
#include <linux/tty.h>
#include <linux/major.h>
#include <linux/init.h>
#include <linux/console.h>
#include <linux/fs.h>
#include <asm/sgialib.h>

static void prom_console_write(struct console *co, const char *s,
                         unsigned count)
{
      /* Do each character */
      while (count--) {
            if (*s == '\n')
                  prom_putchar('\r');
            prom_putchar(*s++);
      }
}

static int prom_console_setup(struct console *co, char *options)
{
      return !(prom_flags & PROM_FLAG_USE_AS_CONSOLE);
}

static struct console arc_cons = {
      .name       = "arc",
      .write            = prom_console_write,
      .setup            = prom_console_setup,
      .flags            = CON_PRINTBUFFER,
      .index            = -1,
};

/*
 *    Register console.
 */

static int __init arc_console_init(void)
{
      register_console(&arc_cons);

      return 0;
}
console_initcall(arc_console_init);

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