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netdev: bfin_mac: clear RXCKS if hardware generated checksum is not enabled

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Otherwise we might be get a setting mismatch from a previous module or
bootloader and what the driver currently expects.

Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sonic Zhang 2010-05-10 05:39:10 +00:00 committed by David S. Miller
parent ad2864d887
commit 812a9de715
1 changed files with 4 additions and 3 deletions
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7
drivers/net/bfin_mac.c
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@ -515,10 +515,11 @@ void setup_system_regs(struct net_device *dev)
* Configure checksum support and rcve frame word alignment
*/
sysctl = bfin_read_EMAC_SYSCTL();
#if defined(BFIN_MAC_CSUM_OFFLOAD)
sysctl |= RXDWA | RXCKS;
#else
sysctl |= RXDWA;
#if defined(BFIN_MAC_CSUM_OFFLOAD)
sysctl |= RXCKS;
#else
sysctl &= ~RXCKS;
#endif
bfin_write_EMAC_SYSCTL(sysctl);