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

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

Signed-off-by: Gustavo A. R. Silva <gustavo...@kernel.org>
---
 drivers/i2c/busses/i2c-amd8111.c | 2 +-
 drivers/i2c/busses/i2c-i801.c    | 8 ++++----
 drivers/i2c/busses/i2c-viapro.c  | 2 +-
 3 files changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/i2c/busses/i2c-amd8111.c b/drivers/i2c/busses/i2c-amd8111.c
index 2b14fef5bf26..34862ad3423e 100644
--- a/drivers/i2c/busses/i2c-amd8111.c
+++ b/drivers/i2c/busses/i2c-amd8111.c
@@ -381,7 +381,7 @@ static s32 amd8111_access(struct i2c_adapter * adap, u16 
addr,
                        if (status)
                                return status;
                        len = min_t(u8, len, I2C_SMBUS_BLOCK_MAX);
-                       /* fall through */
+                       fallthrough;
                case I2C_SMBUS_I2C_BLOCK_DATA:
                        for (i = 0; i < len; i++) {
                                status = amd_ec_read(smbus, AMD_SMB_DATA + i,
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 1fc7ae77753d..638e7f7c66cc 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -1765,19 +1765,19 @@ static int i801_probe(struct pci_dev *dev, const struct 
pci_device_id *id)
        case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1:
        case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2:
                priv->features |= FEATURE_IDF;
-               /* fall through */
+               fallthrough;
        default:
                priv->features |= FEATURE_BLOCK_PROC;
                priv->features |= FEATURE_I2C_BLOCK_READ;
                priv->features |= FEATURE_IRQ;
-               /* fall through */
+               fallthrough;
        case PCI_DEVICE_ID_INTEL_82801DB_3:
                priv->features |= FEATURE_SMBUS_PEC;
                priv->features |= FEATURE_BLOCK_BUFFER;
-               /* fall through */
+               fallthrough;
        case PCI_DEVICE_ID_INTEL_82801CA_3:
                priv->features |= FEATURE_HOST_NOTIFY;
-               /* fall through */
+               fallthrough;
        case PCI_DEVICE_ID_INTEL_82801BA_2:
        case PCI_DEVICE_ID_INTEL_82801AB_3:
        case PCI_DEVICE_ID_INTEL_82801AA_3:
diff --git a/drivers/i2c/busses/i2c-viapro.c b/drivers/i2c/busses/i2c-viapro.c
index 05aa92a3fbe0..970ccdcbb889 100644
--- a/drivers/i2c/busses/i2c-viapro.c
+++ b/drivers/i2c/busses/i2c-viapro.c
@@ -228,7 +228,7 @@ static s32 vt596_access(struct i2c_adapter *adap, u16 addr,
                        goto exit_unsupported;
                if (read_write == I2C_SMBUS_READ)
                        outb_p(data->block[0], SMBHSTDAT0);
-               /* Fall through */
+               fallthrough;
        case I2C_SMBUS_BLOCK_DATA:
                outb_p(command, SMBHSTCMD);
                if (read_write == I2C_SMBUS_WRITE) {
-- 
2.27.0

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