[PATCH] mt7601u: phy: mark expected switch fall-through

["Gustavo A. R. Silva" <gustavo@xxxxxxxxxxxxxx>]

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

Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx>
---
 drivers/net/wireless/mediatek/mt7601u/phy.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c
index ca09a5d..9a90f1f 100644
--- a/drivers/net/wireless/mediatek/mt7601u/phy.c
+++ b/drivers/net/wireless/mediatek/mt7601u/phy.c
@@ -795,6 +795,7 @@ mt7601u_phy_rf_pa_mode_val(struct mt7601u_dev *dev, int phy_mode, int tx_rate)
 	switch (phy_mode) {
 	case MT_PHY_TYPE_OFDM:
 		tx_rate += 4;
+		/* fall through */
 	case MT_PHY_TYPE_CCK:
 		reg = dev->rf_pa_mode[0];
 		break;
-- 
2.7.4