diff options
Diffstat (limited to 'arch/xtensa/platforms/iss/console.c')
| -rw-r--r-- | arch/xtensa/platforms/iss/console.c | 32 |
1 files changed, 13 insertions, 19 deletions
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 8ab47edd7c8..70cb408bc20 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -56,12 +56,13 @@ static void rs_poll(unsigned long); static int rs_open(struct tty_struct *tty, struct file * filp) { tty->port = &serial_port; - spin_lock(&timer_lock); + spin_lock_bh(&timer_lock); if (tty->count == 1) { - setup_timer(&serial_timer, rs_poll, (unsigned long)tty); + setup_timer(&serial_timer, rs_poll, + (unsigned long)&serial_port); mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE); } - spin_unlock(&timer_lock); + spin_unlock_bh(&timer_lock); return 0; } @@ -91,28 +92,26 @@ static int rs_write(struct tty_struct * tty, { /* see drivers/char/serialX.c to reference original version */ - __simc (SYS_write, 1, (unsigned long)buf, count, 0, 0); + simc_write(1, buf, count); return count; } static void rs_poll(unsigned long priv) { - struct tty_struct* tty = (struct tty_struct*) priv; - - struct timeval tv = { .tv_sec = 0, .tv_usec = 0 }; + struct tty_port *port = (struct tty_port *)priv; int i = 0; unsigned char c; spin_lock(&timer_lock); - while (__simc(SYS_select_one, 0, XTISS_SELECT_ONE_READ, (int)&tv,0,0)){ - __simc (SYS_read, 0, (unsigned long)&c, 1, 0, 0); - tty_insert_flip_char(tty, c, TTY_NORMAL); + while (simc_poll(0)) { + simc_read(0, &c, 1); + tty_insert_flip_char(port, c, TTY_NORMAL); i++; } if (i) - tty_flip_buffer_push(tty); + tty_flip_buffer_push(port); mod_timer(&serial_timer, jiffies + SERIAL_TIMER_VALUE); @@ -122,12 +121,7 @@ static void rs_poll(unsigned long priv) static int rs_put_char(struct tty_struct *tty, unsigned char ch) { - char buf[2]; - - buf[0] = ch; - buf[1] = '\0'; /* Is this NULL necessary? */ - __simc (SYS_write, 1, (unsigned long) buf, 1, 0, 0); - return 1; + return rs_write(tty, &ch, 1); } static void rs_flush_chars(struct tty_struct *tty) @@ -226,6 +220,7 @@ static __exit void rs_exit(void) printk("ISS_SERIAL: failed to unregister serial driver (%d)\n", error); put_tty_driver(serial_driver); + tty_port_destroy(&serial_port); } @@ -248,8 +243,7 @@ static void iss_console_write(struct console *co, const char *s, unsigned count) int len = strlen(s); if (s != 0 && *s != 0) - __simc (SYS_write, 1, (unsigned long)s, - count < len ? count : len,0,0); + simc_write(1, s, count < len ? count : len); } static struct tty_driver* iss_console_device(struct console *c, int *index) |
