treewide: Use fallthrough pseudo-keyword
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@kernel.org>
diff --git a/drivers/net/dsa/b53/b53_common.c b/drivers/net/dsa/b53/b53_common.c
index 0837ae0..e731db9 100644
--- a/drivers/net/dsa/b53/b53_common.c
+++ b/drivers/net/dsa/b53/b53_common.c
@@ -1061,7 +1061,7 @@ static void b53_force_port_config(struct b53_device *dev, int port,
switch (speed) {
case 2000:
reg |= PORT_OVERRIDE_SPEED_2000M;
- /* fallthrough */
+ fallthrough;
case SPEED_1000:
reg |= PORT_OVERRIDE_SPEED_1000M;
break;
diff --git a/drivers/net/dsa/b53/b53_serdes.c b/drivers/net/dsa/b53/b53_serdes.c
index 629bf14..5ae3d97 100644
--- a/drivers/net/dsa/b53/b53_serdes.c
+++ b/drivers/net/dsa/b53/b53_serdes.c
@@ -170,7 +170,7 @@ void b53_serdes_phylink_validate(struct b53_device *dev, int port,
switch (lane) {
case 0:
phylink_set(supported, 2500baseX_Full);
- /* fallthrough */
+ fallthrough;
case 1:
phylink_set(supported, 1000baseX_Full);
break;
diff --git a/drivers/net/dsa/bcm_sf2.c b/drivers/net/dsa/bcm_sf2.c
index bafddb3..5ebff98 100644
--- a/drivers/net/dsa/bcm_sf2.c
+++ b/drivers/net/dsa/bcm_sf2.c
@@ -566,7 +566,7 @@ static void bcm_sf2_sw_mac_config(struct dsa_switch *ds, int port,
switch (state->interface) {
case PHY_INTERFACE_MODE_RGMII:
id_mode_dis = 1;
- /* fallthrough */
+ fallthrough;
case PHY_INTERFACE_MODE_RGMII_TXID:
port_mode = EXT_GPHY;
break;
diff --git a/drivers/net/dsa/microchip/ksz9477.c b/drivers/net/dsa/microchip/ksz9477.c
index dc99940..3cb22d1 100644
--- a/drivers/net/dsa/microchip/ksz9477.c
+++ b/drivers/net/dsa/microchip/ksz9477.c
@@ -1083,7 +1083,7 @@ static phy_interface_t ksz9477_get_interface(struct ksz_device *dev, int port)
interface = PHY_INTERFACE_MODE_GMII;
if (gbit)
break;
- /* fall through */
+ fallthrough;
case 0:
interface = PHY_INTERFACE_MODE_MII;
break;
diff --git a/drivers/net/dsa/mt7530.c b/drivers/net/dsa/mt7530.c
index 8dcb8a4..0c37ddb 100644
--- a/drivers/net/dsa/mt7530.c
+++ b/drivers/net/dsa/mt7530.c
@@ -566,7 +566,7 @@ static void mt7530_setup_port5(struct dsa_switch *ds, phy_interface_t interface)
case P5_INTF_SEL_PHY_P0:
/* MT7530_P5_MODE_GPHY_P0: 2nd GMAC -> P5 -> P0 */
val |= MHWTRAP_PHY0_SEL;
- /* fall through */
+ fallthrough;
case P5_INTF_SEL_PHY_P4:
/* MT7530_P5_MODE_GPHY_P4: 2nd GMAC -> P5 -> P4 */
val &= ~MHWTRAP_P5_MAC_SEL & ~MHWTRAP_P5_DIS;
diff --git a/drivers/net/dsa/mv88e6xxx/chip.c b/drivers/net/dsa/mv88e6xxx/chip.c
index 7a71c99..f0dbc05 100644
--- a/drivers/net/dsa/mv88e6xxx/chip.c
+++ b/drivers/net/dsa/mv88e6xxx/chip.c
@@ -875,7 +875,7 @@ static uint64_t _mv88e6xxx_get_ethtool_stat(struct mv88e6xxx_chip *chip,
break;
case STATS_TYPE_BANK1:
reg = bank1_select;
- /* fall through */
+ fallthrough;
case STATS_TYPE_BANK0:
reg |= s->reg | histogram;
mv88e6xxx_g1_stats_read(chip, reg, &low);