[PATCH][next] mt7601u: Use fallthrough pseudo-keyword

[Gustavo A. R. Silva]

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1]. Also, remove unnecessary
fall-through markings when it is the case.

[1] https://www.kernel.org/doc/html/v5.7/process/deprecated.html?highlight=fallthrough#implicit-switch-case-fall-through

Signed-off-by: Gustavo A. R. Silva <gustavoars at kernel.org>
---
 drivers/net/wireless/mediatek/mt7601u/dma.c | 4 ++--
 drivers/net/wireless/mediatek/mt7601u/mac.c | 4 ++--
 drivers/net/wireless/mediatek/mt7601u/phy.c | 2 +-
 3 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt7601u/dma.c b/drivers/net/wireless/mediatek/mt7601u/dma.c
index f6a0454abe04..09f931d4598c 100644
--- a/drivers/net/wireless/mediatek/mt7601u/dma.c
+++ b/drivers/net/wireless/mediatek/mt7601u/dma.c
@@ -196,7 +196,7 @@ static void mt7601u_complete_rx(struct urb *urb)
 	default:
 		dev_err_ratelimited(dev->dev, "rx urb failed: %d\n",
 				    urb->status);
-		/* fall through */
+		fallthrough;
 	case 0:
 		break;
 	}
@@ -241,7 +241,7 @@ static void mt7601u_complete_tx(struct urb *urb)
 	default:
 		dev_err_ratelimited(dev->dev, "tx urb failed: %d\n",
 				    urb->status);
-		/* fall through */
+		fallthrough;
 	case 0:
 		break;
 	}
diff --git a/drivers/net/wireless/mediatek/mt7601u/mac.c b/drivers/net/wireless/mediatek/mt7601u/mac.c
index cad5e81fcf77..d2ee1aaa3c81 100644
--- a/drivers/net/wireless/mediatek/mt7601u/mac.c
+++ b/drivers/net/wireless/mediatek/mt7601u/mac.c
@@ -45,7 +45,7 @@ mt76_mac_process_tx_rate(struct ieee80211_tx_rate *txrate, u16 rate)
 		return;
 	case MT_PHY_TYPE_HT_GF:
 		txrate->flags |= IEEE80211_TX_RC_GREEN_FIELD;
-		/* fall through */
+		fallthrough;
 	case MT_PHY_TYPE_HT:
 		txrate->flags |= IEEE80211_TX_RC_MCS;
 		txrate->idx = idx;
@@ -419,7 +419,7 @@ mt76_mac_process_rate(struct ieee80211_rx_status *status, u16 rate)
 		return;
 	case MT_PHY_TYPE_HT_GF:
 		status->enc_flags |= RX_ENC_FLAG_HT_GF;
-		/* fall through */
+		fallthrough;
 	case MT_PHY_TYPE_HT:
 		status->encoding = RX_ENC_HT;
 		status->rate_idx = idx;
diff --git a/drivers/net/wireless/mediatek/mt7601u/phy.c b/drivers/net/wireless/mediatek/mt7601u/phy.c
index d863ab4a66c9..430ae4c1d7db 100644
--- a/drivers/net/wireless/mediatek/mt7601u/phy.c
+++ b/drivers/net/wireless/mediatek/mt7601u/phy.c
@@ -787,7 +787,7 @@ 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 */
+		fallthrough;
 	case MT_PHY_TYPE_CCK:
 		reg = dev->rf_pa_mode[0];
 		break;
-- 
2.27.0