Subject: [PATCH][next] ath9k: Use fallthrough pseudo-keyword

From: "Gustavo A. R. Silva" <[email-masked]>
Date: Mon, 27 Jul 2020 14:35:20 -0500

Replace the existing /* fall through */ comments and its variants with
the new pseudo-keyword macro fallthrough[1].

[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 <[email-masked]>
---
 drivers/net/wireless/ath/ath9k/ar5008_phy.c | 4 ++--
 drivers/net/wireless/ath/ath9k/ar9002_mac.c | 2 +-
 drivers/net/wireless/ath/ath9k/ar9002_phy.c | 2 +-
 drivers/net/wireless/ath/ath9k/ar9003_mac.c | 2 +-
 drivers/net/wireless/ath/ath9k/channel.c    | 4 ++--
 drivers/net/wireless/ath/ath9k/eeprom_def.c | 2 +-
 drivers/net/wireless/ath/ath9k/hw.c         | 6 +++---
 drivers/net/wireless/ath/ath9k/main.c       | 2 +-
 8 files changed, 12 insertions(+), 12 deletions(-)

diff --git a/drivers/net/wireless/ath/ath9k/ar5008_phy.c b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
index dae95402eb3a..0d34356baf73 100644
--- a/drivers/net/wireless/ath/ath9k/ar5008_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar5008_phy.c
@@ -579,14 +579,14 @@ static void ar5008_hw_init_chain_masks(struct ath_hw *ah)
 	case 0x5:
 		REG_SET_BIT(ah, AR_PHY_ANALOG_SWAP,
 			    AR_PHY_SWAP_ALT_CHAIN);
-		/* fall through */
+		fallthrough;
 	case 0x3:
 		if (ah->hw_version.macVersion == AR_SREV_REVISION_5416_10) {
 			REG_WRITE(ah, AR_PHY_RX_CHAINMASK, 0x7);
 			REG_WRITE(ah, AR_PHY_CAL_CHAINMASK, 0x7);
 			break;
 		}
-		/* fall through */
+		fallthrough;
 	case 0x1:
 	case 0x2:
 	case 0x7:
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_mac.c b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
index 4b3c9b108197..ce9a0a53771e 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_mac.c
@@ -267,7 +267,7 @@ ar9002_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
 	switch (i->aggr) {
 	case AGGR_BUF_FIRST:
 		ctl6 |= SM(i->aggr_len, AR_AggrLen);
-		/* fall through */
+		fallthrough;
 	case AGGR_BUF_MIDDLE:
 		ctl1 |= AR_IsAggr | AR_MoreAggr;
 		ctl6 |= SM(i->ndelim, AR_PadDelim);
diff --git a/drivers/net/wireless/ath/ath9k/ar9002_phy.c b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
index 6f32b8d2ec7f..fcfed8e59d29 100644
--- a/drivers/net/wireless/ath/ath9k/ar9002_phy.c
+++ b/drivers/net/wireless/ath/ath9k/ar9002_phy.c
@@ -119,7 +119,7 @@ static int ar9002_hw_set_channel(struct ath_hw *ah, struct ath9k_channel *chan)
 				aModeRefSel = 2;
 			if (aModeRefSel)
 				break;
-			/* fall through */
+			fallthrough;
 		case 1:
 		default:
 			aModeRefSel = 0;
diff --git a/drivers/net/wireless/ath/ath9k/ar9003_mac.c b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
index e1fe7a7c3ad8..76b538942a79 100644
--- a/drivers/net/wireless/ath/ath9k/ar9003_mac.c
+++ b/drivers/net/wireless/ath/ath9k/ar9003_mac.c
@@ -120,7 +120,7 @@ ar9003_set_txdesc(struct ath_hw *ah, void *ds, struct ath_tx_info *i)
 	switch (i->aggr) {
 	case AGGR_BUF_FIRST:
 		ctl17 |= SM(i->aggr_len, AR_AggrLen);
-		/* fall through */
+		fallthrough;
 	case AGGR_BUF_MIDDLE:
 		ctl12 |= AR_IsAggr | AR_MoreAggr;
 		ctl17 |= SM(i->ndelim, AR_PadDelim);
diff --git a/drivers/net/wireless/ath/ath9k/channel.c b/drivers/net/wireless/ath/ath9k/channel.c
index fd61ae4782b6..6cf087522157 100644
--- a/drivers/net/wireless/ath/ath9k/channel.c
+++ b/drivers/net/wireless/ath/ath9k/channel.c
@@ -706,7 +706,7 @@ void ath_chanctx_event(struct ath_softc *sc, struct ieee80211_vif *vif,
 			"Move chanctx state from FORCE_ACTIVE to IDLE\n");
 
 		sc->sched.state = ATH_CHANCTX_STATE_IDLE;
-		/* fall through */
+		fallthrough;
 	case ATH_CHANCTX_EVENT_SWITCH:
 		if (!test_bit(ATH_OP_MULTI_CHANNEL, &common->op_flags) ||
 		    sc->sched.state == ATH_CHANCTX_STATE_FORCE_ACTIVE ||
@@ -1080,7 +1080,7 @@ static void ath_offchannel_timer(struct timer_list *t)
 			mod_timer(&sc->offchannel.timer, jiffies + HZ / 10);
 			break;
 		}
-		/* fall through */
+		fallthrough;
 	case ATH_OFFCHANNEL_SUSPEND:
 		if (!sc->offchannel.scan_req)
 			return;
diff --git a/drivers/net/wireless/ath/ath9k/eeprom_def.c b/drivers/net/wireless/ath/ath9k/eeprom_def.c
index 56b44fc7a8e6..9729a69d3e2e 100644
--- a/drivers/net/wireless/ath/ath9k/eeprom_def.c
+++ b/drivers/net/wireless/ath/ath9k/eeprom_def.c
@@ -402,7 +402,7 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
 			return AR5416_PWR_TABLE_OFFSET_DB;
 	case EEP_ANTENNA_GAIN_2G:
 		band = 1;
-		/* fall through */
+		fallthrough;
 	case EEP_ANTENNA_GAIN_5G:
 		return max_t(u8, max_t(u8,
 			pModal[band].antennaGainCh[0],
diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c
index 8c97db73e34c..6609ce122e6e 100644
--- a/drivers/net/wireless/ath/ath9k/hw.c
+++ b/drivers/net/wireless/ath/ath9k/hw.c
@@ -1277,12 +1277,12 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
 			REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
 			break;
 		}
-		/* fall through */
+		fallthrough;
 	case NL80211_IFTYPE_OCB:
 	case NL80211_IFTYPE_MESH_POINT:
 	case NL80211_IFTYPE_AP:
 		set |= AR_STA_ID1_STA_AP;
-		/* fall through */
+		fallthrough;
 	case NL80211_IFTYPE_STATION:
 		REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
 		break;
@@ -2293,7 +2293,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
 	case NL80211_IFTYPE_ADHOC:
 		REG_SET_BIT(ah, AR_TXCFG,
 			    AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
-		/* fall through */
+		fallthrough;
 	case NL80211_IFTYPE_MESH_POINT:
 	case NL80211_IFTYPE_AP:
 		REG_WRITE(ah, AR_NEXT_TBTT_TIMER, next_beacon);
diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c
index a47f6e978095..0ea3b80f664c 100644
--- a/drivers/net/wireless/ath/ath9k/main.c
+++ b/drivers/net/wireless/ath/ath9k/main.c
@@ -1934,7 +1934,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
 	case IEEE80211_AMPDU_TX_STOP_FLUSH:
 	case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
 		flush = true;
-		/* fall through */
+		fallthrough;
 	case IEEE80211_AMPDU_TX_STOP_CONT:
 		ath9k_ps_wakeup(sc);
 		ath_tx_aggr_stop(sc, sta, tid);
-- 
2.27.0