Merge branch 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

Pull libata updates from Tejun Heo:

 - Hannes's patchset implements support for better error reporting
   introduced by the new ATA command spec.

 - the deperecated pci_ dma API usages have been replaced by dma_ ones.

 - a bunch of hardware specific updates and some cleanups.

* 'for-4.1' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata:
  ata: remove deprecated use of pci api
  ahci: st: st_configure_oob must be called after IP is clocked.
  ahci: st: Update the ahci_st DT documentation
  ahci: st: Update the DT example for how to obtain the PHY.
  sata_dwc_460ex: indent an if statement
  libata: Add tracepoints
  libata-eh: Set 'information' field for autosense
  libata: Implement support for sense data reporting
  libata: Implement NCQ autosense
  libata: use status bit definitions in ata_dump_status()
  ide,ata: Rename ATA_IDX to ATA_SENSE
  libata: whitespace fixes in ata_to_sense_error()
  libata: whitespace cleanup in ata_get_cmd_descript()
  libata: use READ_LOG_DMA_EXT
  libata: remove ATA_FLAG_LOWTAG
  sata_dwc_460ex: re-use hsdev->dev instead of dwc_dev
  sata_dwc_460ex: move to generic DMA driver
  sata_dwc_460ex: join messages back
  sata: xgene: add ACPI support for APM X-Gene SATA ports
  ata: sata_mv: add proper definitions for LP_PHY_CTL register values

diff --cc drivers/ata/libata-core.c
Simple merge

diff --cc include/linux/libata.h
index 6b08cc1,ebe132a..8dad4a3
--- 1/include/linux/libata.h
--- 2/include/linux/libata.h
+++ b/include/linux/libata.h
@@@ -231,8 -231,6 +231,7 @@@ enum 
        ATA_FLAG_SW_ACTIVITY    = (1 << 22), /* driver supports sw activity
                                              * led */
        ATA_FLAG_NO_DIPM        = (1 << 23), /* host not happy with DIPM */
-       ATA_FLAG_LOWTAG         = (1 << 24), /* host wants lowest available tag */
-       ATA_FLAG_SAS_HOST       = (1 << 25), /* SAS host */
++      ATA_FLAG_SAS_HOST       = (1 << 24), /* SAS host */
  
        /* bits 24:31 of ap->flags are reserved for LLD specific flags */