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net: natsemi: Remove set but not used variable

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Fixes gcc '-Wunused-but-set-variable' warning:

drivers/net/ethernet/natsemi/ns83820.c: In function ns83820_get_link_ksettings:
drivers/net/ethernet/natsemi/ns83820.c:1210:11: warning: variable ‘tanar’ set but not used [-Wunused-but-set-variable]

`tanar` is never used, so remove it.

Signed-off-by: Zheng Yongjun <zhengyongjun3@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Zheng Yongjun 2020-09-21 20:18:41 +08:00 committed by David S. Miller
parent c8c33b80f4
commit 3ba6baf64b
1 changed files with 2 additions and 2 deletions
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4
drivers/net/ethernet/natsemi/ns83820.c
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@ -1204,7 +1204,7 @@ static int ns83820_get_link_ksettings(struct net_device *ndev,
struct ethtool_link_ksettings *cmd)
{
struct ns83820 *dev = PRIV(ndev);
u32 cfg, tanar, tbicr;
u32 cfg, tbicr;
int fullduplex = 0;
u32 supported;
@ -1223,7 +1223,7 @@ static int ns83820_get_link_ksettings(struct net_device *ndev,
/* read current configuration */
cfg = readl(dev->base + CFG) ^ SPDSTS_POLARITY;
tanar = readl(dev->base + TANAR);
readl(dev->base + TANAR);
tbicr = readl(dev->base + TBICR);
fullduplex = (cfg & CFG_DUPSTS) ? 1 : 0;