[KJ] [PATCH 18/21] polling loops: change exit condition to

[KJ] [PATCH 18/21] polling loops: change exit condition to

[Marcin Slusarz]

UltraSPARC (sparc64):
P:	David S. Miller
M:	davem@davemloft.net
P:	Eddie C. Dost
M:	ecd@brainaid.de
P:	Jakub Jelinek
M:	jj@sunsite.ms.mff.cuni.cz
P:	Anton Blanchard
M:	anton@samba.org

Signed-off-by: Marcin Slusarz <marcin.slusarz@gmail.com>
diff -upr -X linux-2.6.15-rc4/Documentation/dontdiff linux-2.6.15-rc4-orig/drivers/sbus/char/bbc_i2c.c linux-2.6.15-rc4/drivers/sbus/char/bbc_i2c.c
--- linux-2.6.15-rc4-orig/drivers/sbus/char/bbc_i2c.c	2005-11-20 16:53:27.000000000 +0100
+++ linux-2.6.15-rc4/drivers/sbus/char/bbc_i2c.c	2005-12-03 16:53:10.000000000 +0100
@@ -181,12 +181,13 @@ void bbc_i2c_detach(struct bbc_i2c_clien
 static int wait_for_pin(struct bbc_i2c_bus *bp, u8 *status)
 {
 	DECLARE_WAITQUEUE(wait, current);
-	int limit = 32;
 	int ret = 1;
+	unsigned long end_time;
 
 	bp->waiting = 1;
 	add_wait_queue(&bp->wq, &wait);
-	while (limit-- > 0) {
+	end_time = jiffies + msecs_to_jiffies(32 * 250);
+	while (time_before(jiffies, end_time)) {
 		u8 val;
 
 		set_current_state(TASK_INTERRUPTIBLE);
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