diff options
Diffstat (limited to 'arch/xtensa/platforms/iss/console.c')
| -rw-r--r-- | arch/xtensa/platforms/iss/console.c | 24 |
1 files changed, 3 insertions, 21 deletions
diff --git a/arch/xtensa/platforms/iss/console.c b/arch/xtensa/platforms/iss/console.c index 2cd3d3a3400b..7e74895eee04 100644 --- a/arch/xtensa/platforms/iss/console.c +++ b/arch/xtensa/platforms/iss/console.c @@ -33,7 +33,7 @@ #endif #define SERIAL_MAX_NUM_LINES 1 -#define SERIAL_TIMER_VALUE (20 * HZ) +#define SERIAL_TIMER_VALUE (HZ / 10) static struct tty_driver *serial_driver; static struct tty_port serial_port; @@ -41,19 +41,6 @@ static struct timer_list serial_timer; static DEFINE_SPINLOCK(timer_lock); -int errno; - -static int __simc (int a, int b, int c, int d, int e, int f) __attribute__((__noinline__)); -static int __simc (int a, int b, int c, int d, int e, int f) -{ - int ret; - __asm__ __volatile__ ("simcall\n" - "mov %0, a2\n" - "mov %1, a3\n" : "=a" (ret), "=a" (errno) - : : "a2", "a3"); - return ret; -} - static char *serial_version = "0.1"; static char *serial_name = "ISS serial driver"; @@ -104,7 +91,7 @@ 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; } @@ -135,12 +122,7 @@ 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) |