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net: smc911x: Mark expected switch fall-through

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Mark switch cases where we are expecting to fall through.

This patch fixes the following warning (Building: arm):

drivers/net/ethernet/smsc/smc911x.c: In function ‘smc911x_phy_detect’:
drivers/net/ethernet/smsc/smc911x.c:677:7: warning: this statement may fall through [-Wimplicit-fallthrough=]
    if (cfg & HW_CFG_EXT_PHY_DET_) {
       ^
drivers/net/ethernet/smsc/smc911x.c:715:3: note: here
   default:
   ^~~~~~~

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Gustavo A. R. Silva 2019-07-29 17:10:16 -05:00 committed by David S. Miller
parent 7bd6ba4ef4
commit a20961cc94
1 changed files with 1 additions and 0 deletions
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drivers/net/ethernet/smsc/smc911x.c
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@ -712,6 +712,7 @@ static void smc911x_phy_detect(struct net_device *dev)
/* Found an external PHY */
break;
}
/* Else, fall through */
default:
/* Internal media only */
SMC_GET_PHY_ID1(lp, 1, id1);