static void change_speed(struct dec_serial *info);
static void rs_wait_until_sent(struct tty_struct *tty, int timeout);
-#ifndef MIN
-#define MIN(a,b) ((a) < (b) ? (a) : (b))
-#endif
-
/*
* tmp_buf is used as a temporary buffer by serial_write. We need to
* lock it in case the copy_from_user blocks while swapping in a page,
save_flags(flags);
while (1) {
cli();
- c = MIN(count, MIN(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
- SERIAL_XMIT_SIZE - info->xmit_head));
+ c = min_t(int, count, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
+ SERIAL_XMIT_SIZE - info->xmit_head));
if (c <= 0)
break;
if (from_user) {
down(&tmp_buf_sem);
copy_from_user(tmp_buf, buf, c);
- c = MIN(c, MIN(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
- SERIAL_XMIT_SIZE - info->xmit_head));
+ c = min_t(int, c, min(SERIAL_XMIT_SIZE - info->xmit_cnt - 1,
+ SERIAL_XMIT_SIZE - info->xmit_head));
memcpy(info->xmit_buf + info->xmit_head, tmp_buf, c);
up(&tmp_buf_sem);
} else
if (char_time == 0)
char_time = 1;
if (timeout)
- char_time = MIN(char_time, timeout);
+ char_time = min_t(unsigned long, char_time, timeout);
while ((read_zsreg(info->zs_channel, 1) & Tx_BUF_EMP) == 0) {
current->state = TASK_INTERRUPTIBLE;
schedule_timeout(char_time);