1 files changed, 6 insertions, 2 deletions

diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c
index b8ac4902d312..2a882929de4a 100644
--- a/drivers/ata/libata-core.c
+++ b/drivers/ata/libata-core.c
@@ -1879,6 +1879,7 @@ retry:
         switch (class) {
         case ATA_DEV_SEMB:
                 class = ATA_DEV_ATA;    /* some hard drives report SEMB sig */
+                /* fall through */
         case ATA_DEV_ATA:
         case ATA_DEV_ZAC:
                 tf.command = ATA_CMD_ID_ATA;
@@ -2975,6 +2976,7 @@ int ata_bus_probe(struct ata_port *ap)
         case -ENODEV:
                 /* give it just one more chance */
                 tries[dev->devno] = min(tries[dev->devno], 1);
+                /* fall through */
         case -EIO:
                 if (tries[dev->devno] == 1) {
                         /* This is the last chance, better to slow
@@ -3462,6 +3464,7 @@ int ata_down_xfermask_limit(struct ata_device *dev, unsigned int sel)
 
         case ATA_DNXFER_FORCE_PIO0:
                 pio_mask &= 1;
+                /* fall through */
         case ATA_DNXFER_FORCE_PIO:
                 mwdma_mask = 0;
                 udma_mask = 0;
@@ -3964,6 +3967,7 @@ int sata_link_scr_lpm(struct ata_link *link, enum ata_lpm_policy policy,
                 scontrol &= ~(0x1 << 8);
                 scontrol |= (0x6 << 8);
                 break;
+        case ATA_LPM_MED_POWER_WITH_DIPM:
         case ATA_LPM_MIN_POWER:
                 if (ata_link_nr_enabled(link) > 0)
                         /* no restrictions on LPM transitions */
@@ -5823,7 +5827,7 @@ void ata_host_resume(struct ata_host *host)
 }
 #endif
 
-struct device_type ata_port_type = {
+const struct device_type ata_port_type = {
         .name = "ata_port",
 #ifdef CONFIG_PM
         .pm = &ata_port_pm_ops,
@@ -6903,7 +6907,7 @@ static int __init ata_parse_force_one(char **cur,
                 return -EINVAL;
         }
         if (nr_matches > 1) {
-                *reason = "ambigious value";
+                *reason = "ambiguous value";
                 return -EINVAL;
         }