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
  ...