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bgmac: add read of interrupt mask after disabling interrupts
author
Nathan Hintz
<nlhintz@hotmail.com>
Wed, 13 Feb 2013 19:14:10 +0000
(19:14 +0000)
committer
David S. Miller
<davem@davemloft.net>
Thu, 14 Feb 2013 18:23:24 +0000
(13:23 -0500)
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>
drivers/net/ethernet/broadcom/bgmac.c
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diff --git
a/drivers/net/ethernet/broadcom/bgmac.c
b/drivers/net/ethernet/broadcom/bgmac.c
index
52d9a54
..
d341090
100644
(file)
--- 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 */