From: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Wed, 8 May 2013 21:42:44 +0000 (+0000)
Subject: smc911x: fix the timeout detection
X-Git-Tag: v2013.07-rc1~1^2~20
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bee0dc2fec422175f2f23e2ed35152b40788a055;p=kernel%2Fu-boot.git

smc911x: fix the timeout detection

If timeout is occurred at the while loop above,
the value of 'timeout' is -1, not 0.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
---

diff --git a/drivers/net/smc911x.h b/drivers/net/smc911x.h
index a290073..f63a069 100644
--- a/drivers/net/smc911x.h
+++ b/drivers/net/smc911x.h
@@ -484,7 +484,7 @@ static void smc911x_reset(struct eth_device *dev)
 		while (timeout-- &&
 			!(smc911x_reg_read(dev, PMT_CTRL) & PMT_CTRL_READY))
 			udelay(10);
-		if (!timeout) {
+		if (timeout < 0) {
 			printf(DRIVERNAME
 				": timeout waiting for PM restore\n");
 			return;
@@ -500,7 +500,7 @@ static void smc911x_reset(struct eth_device *dev)
 	while (timeout-- && smc911x_reg_read(dev, E2P_CMD) & E2P_CMD_EPC_BUSY)
 		udelay(10);
 
-	if (!timeout) {
+	if (timeout < 0) {
 		printf(DRIVERNAME ": reset timeout\n");
 		return;
 	}