polling loops: change exit condition to

diff -upr -X linux-2.6.15-rc4/Documentation/dontdiff linux-2.6.15-rc4-orig/drivers/s390/net/lcs.c linux-2.6.15-rc4/drivers/s390/net/lcs.c
@@ -1643,10 +1643,11 @@ lcs_detect(struct lcs_card *card)
 static int
 lcs_resetcard(struct lcs_card *card)
 {
-	int retries;
+	unsigned long end_time;
 
 	LCS_DBF_TEXT(2, trace, "rescard");
-	for (retries = 0; retries < 10; retries++) {
+	end_time = jiffies + msecs_to_jiffies(30000);
+	while (time_before(jiffies, end_time)) {
 		if (lcs_detect(card) = 0) {
 			netif_wake_queue(card->dev);
 			card->state = DEV_STATE_UP;