net: smc911x: Mark expected switch fall-through
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>
diff --git a/drivers/net/ethernet/smsc/smc911x.c b/drivers/net/ethernet/smsc/smc911x.c
index bd14803..8d88e40 100644
--- a/drivers/net/ethernet/smsc/smc911x.c
+++ b/drivers/net/ethernet/smsc/smc911x.c
@@ -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);