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net: dsa: microchip: mark expected switch fall-through

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In preparation to enabling -Wimplicit-fallthrough, mark switch cases
where we are expecting to fall through.

This patch fixes the following warning:

drivers/net/dsa/microchip/ksz9477.c: In function ‘ksz9477_get_interface’:
drivers/net/dsa/microchip/ksz9477.c:1145:6: warning: this statement may fall through [-Wimplicit-fallthrough=]
   if (gbit)
      ^
drivers/net/dsa/microchip/ksz9477.c:1147:2: note: here
  case 0:
  ^~~~

Warning level 3 was used: -Wimplicit-fallthrough=3

This patch is part of the ongoing efforts to enable
-Wimplicit-fallthrough.

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
2019-04-01 15:34:49 -05:00
committed by David S. Miller
parent 936ee65ffc
commit 0fd128428a
1 changed files with 1 additions and 0 deletions
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1
drivers/net/dsa/microchip/ksz9477.c
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@@ -1144,6 +1144,7 @@ static phy_interface_t ksz9477_get_interface(struct ksz_device *dev, int port)
interface = PHY_INTERFACE_MODE_GMII;
if (gbit)
break;
/* fall through */
case 0:
interface = PHY_INTERFACE_MODE_MII;
break;