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>

6 files changed, 14 insertions, 14 deletions

diff --git a/drivers/ide/hpt366.c b/drivers/ide/hpt366.c
index fd3b5da44619..50c9a41467c8 100644
--- a/drivers/ide/hpt366.c
+++ b/drivers/ide/hpt366.c
@@ -575,14 +575,14 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive)
 		if (!HPT370_ALLOW_ATA100_5 ||
 		    check_in_drive_list(drive, bad_ata100_5))
 			return ATA_UDMA4;
-		/* fall through */
+		fallthrough;
 	case HPT372 :
 	case HPT372A:
 	case HPT372N:
 	case HPT374 :
 		if (ata_id_is_sata(drive->id))
 			mask &= ~0x0e;
-		/* fall through */
+		fallthrough;
 	default:
 		return mask;
 	}
@@ -602,7 +602,7 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive)
 	case HPT374 :
 		if (ata_id_is_sata(drive->id))
 			return 0x00;
-		/* fall through */
+		fallthrough;
 	default:
 		return 0x07;
 	}
diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c
index 7f17f8303988..212bb2d8bf34 100644
--- a/drivers/ide/ide-cd.c
+++ b/drivers/ide/ide-cd.c
@@ -350,7 +350,7 @@ static int cdrom_decode_status(ide_drive_t *drive, u8 stat)
 		 */
 		if (scsi_req(rq)->cmd[0] == GPCMD_START_STOP_UNIT)
 			break;
-		/* fall-through */
+		fallthrough;
 	case DATA_PROTECT:
 		/*
 		 * No point in retrying after an illegal request or data
@@ -750,7 +750,7 @@ static ide_startstop_t cdrom_newpc_intr(ide_drive_t *drive)
 	case REQ_OP_DRV_IN:
 	case REQ_OP_DRV_OUT:
 		expiry = ide_cd_expiry;
-		/*FALLTHRU*/
+		fallthrough;
 	default:
 		timeout = ATAPI_WAIT_PC;
 		break;
diff --git a/drivers/ide/ide-floppy.c b/drivers/ide/ide-floppy.c
index 1fe1f9d37a51..af7503b47dbe 100644
--- a/drivers/ide/ide-floppy.c
+++ b/drivers/ide/ide-floppy.c
@@ -428,7 +428,7 @@ static int ide_floppy_get_capacity(ide_drive_t *drive)
 				 * (maintains previous driver behaviour)
 				 */
 				break;
-			/* fall through */
+			fallthrough;
 		case CAPACITY_CURRENT:
 			/* Normal Zip/LS-120 disks */
 			if (memcmp(cap_desc, &floppy->cap_desc, 8))
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index e867129466b0..1ddc45a04418 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -143,7 +143,7 @@ static void ide_classify_atapi_dev(ide_drive_t *drive)
 		}
 		/* Early cdrom models used zero */
 		type = ide_cdrom;
-		/* fall through */
+		fallthrough;
 	case ide_cdrom:
 		drive->dev_flags |= IDE_DFLAG_REMOVABLE;
 #ifdef CONFIG_PPC
diff --git a/drivers/ide/ide-taskfile.c b/drivers/ide/ide-taskfile.c
index a26f85ab58a9..d016cbe68cba 100644
--- a/drivers/ide/ide-taskfile.c
+++ b/drivers/ide/ide-taskfile.c
@@ -129,7 +129,7 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
 			return pre_task_out_intr(drive, cmd);
 		}
 		handler = task_pio_intr;
-		/* fall through */
+		fallthrough;
 	case ATA_PROT_NODATA:
 		if (handler == NULL)
 			handler = task_no_data_intr;
@@ -141,7 +141,7 @@ ide_startstop_t do_rw_taskfile(ide_drive_t *drive, struct ide_cmd *orig_cmd)
 		hwif->expiry = dma_ops->dma_timer_expiry;
 		ide_execute_command(drive, cmd, ide_dma_intr, 2 * WAIT_CMD);
 		dma_ops->dma_start(drive);
-		/* fall through */
+		fallthrough;
 	default:
 		return ide_started;
 	}
@@ -579,10 +579,10 @@ int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg)
 			goto abort;
 		}
 		cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
-		/* fall through */
+		fallthrough;
 	case TASKFILE_OUT:
 		cmd.protocol = ATA_PROT_PIO;
-		/* fall through */
+		fallthrough;
 	case TASKFILE_OUT_DMAQ:
 	case TASKFILE_OUT_DMA:
 		cmd.tf_flags |= IDE_TFLAG_WRITE;
@@ -598,10 +598,10 @@ int ide_taskfile_ioctl(ide_drive_t *drive, unsigned long arg)
 			goto abort;
 		}
 		cmd.tf_flags |= IDE_TFLAG_MULTI_PIO;
-		/* fall through */
+		fallthrough;
 	case TASKFILE_IN:
 		cmd.protocol = ATA_PROT_PIO;
-		/* fall through */
+		fallthrough;
 	case TASKFILE_IN_DMAQ:
 	case TASKFILE_IN_DMA:
 		nsect = taskin / SECTOR_SIZE;
diff --git a/drivers/ide/sis5513.c b/drivers/ide/sis5513.c
index 024bc7ba49ee..1a700bef6c56 100644
--- a/drivers/ide/sis5513.c
+++ b/drivers/ide/sis5513.c
@@ -494,7 +494,7 @@ static int init_chipset_sis5513(struct pci_dev *dev)
 		pci_read_config_byte(dev, 0x09, &reg);
 		if ((reg & 0x0f) != 0x00)
 			pci_write_config_byte(dev, 0x09, reg&0xf0);
-		/* fall through */
+		fallthrough;
 	case ATA_16:
 		/* force per drive recovery and active timings
 		   needed on ATA_33 and below chips */