Merge branch 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

Pull libata updates from Tejun Heo:
 "Nothing too interesting or alarming. Other than a new power saving
  mode addition to ahci and crash fix on a tracepoint, all changes are
  trivial or device-specific"

* 'for-4.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
  ahci: imx: Handle increased read failures for IMX53 temperature sensor in low frequency mode.
  ata: sata_dwc_460ex: Propagate platform device ID to DMA driver
  ata: fixes kernel crash while tracing ata_eh_link_autopsy event
  ata: pata_pdc2027x: Fix space before '[' error.
  libata: fix spelling mistake: 'ambigious' -> 'ambiguous'
  ata: ceva: Add SMMU support for SATA IP
  ata: ceva: Correct the suspend and resume logic for SATA
  ata: ceva: Correct the AXI bus configuration for SATA ports
  ata: ceva: Add CCI support for SATA if CCI is enabled
  ata: ceva: Make RxWaterMark value as module parameter
  ata: ceva: Disable Device Sleep capability
  ata: ceva: Add gen 3 mode support in driver
  ata: ceva: Move sata port phy oob settings to device-tree
  devicetree: bindings: Add sata port phy config parameters in ahci-ceva
  ata: mark expected switch fall-throughs
  ata: sata_mv: remove a redundant assignment to pointer ehi
  ahci: Add support for Cavium's fifth generation SATA controller
  ata: sata_rcar: Use of_device_get_match_data() helper
  libata: make ata_port_type const
  libata: make static arrays const, reduces object code size
  ...

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;
 	}