From: Shaohui Xie <Shaohui.Xie@freescale.com>
Date: Mon, 16 Mar 2015 10:55:50 +0000 (+0800)
Subject: net/fsl: fix a bug in xgmac_mdio
X-Git-Tag: v4.1-rc1~128^2~228
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=26eee0210ad72a29eb4a70b34320bda266f91a0d;p=karo-tx-linux.git

net/fsl: fix a bug in xgmac_mdio

There is a bug in xgmac_wait_until_done() which mdio_stat should be used
instead of mdio_data when checking if busy bit is cleared.

Signed-off-by: Shaohui Xie <Shaohui.Xie@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index 3a83bc2c613c..5f691f2c166a 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -79,7 +79,7 @@ static int xgmac_wait_until_done(struct device *dev,
 
 	/* Wait till the MDIO write is complete */
 	timeout = TIMEOUT;
-	while ((ioread32be(&regs->mdio_data) & MDIO_DATA_BSY) && timeout) {
+	while ((ioread32be(&regs->mdio_stat) & MDIO_STAT_BSY) && timeout) {
 		cpu_relax();
 		timeout--;
 	}