From: Nathan Hintz <nlhintz@hotmail.com>
Date: Wed, 13 Feb 2013 19:14:10 +0000 (+0000)
Subject: bgmac: add read of interrupt mask after disabling interrupts
X-Git-Url: http://drtracing.org/?a=commitdiff_plain;h=4160815ffcaed68a976ba3cfe0131da3ae2b2615;p=deliverable%2Flinux.git

bgmac: add read of interrupt mask after disabling interrupts

The specs prescribe an immediate read of the interrupt mask after
disabling interrupts.  This patch updates the driver to match the
specs.

Signed-off-by: Nathan Hintz <nlhintz@hotmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/net/ethernet/broadcom/bgmac.c b/drivers/net/ethernet/broadcom/bgmac.c
index 52d9a544c8ca..d34109004ee6 100644
--- a/drivers/net/ethernet/broadcom/bgmac.c
+++ b/drivers/net/ethernet/broadcom/bgmac.c
@@ -974,6 +974,7 @@ static void bgmac_chip_intrs_on(struct bgmac *bgmac)
 static void bgmac_chip_intrs_off(struct bgmac *bgmac)
 {
 	bgmac_write(bgmac, BGMAC_INT_MASK, 0);
+	bgmac_read(bgmac, BGMAC_INT_MASK);
 }
 
 /* http://bcm-v4.sipsolutions.net/mac-gbit/gmac/gmac_enable */