Pull libata updates from Tejun Heo:
"A lot of activities on libata side this time.
- A lot of changes around ahci. Various embedded platforms are
implementing ahci controllers. Some were built atop ahci_platform,
others were doing their own things. Hans made some structural
changes to libahci and librarized ahci_platform so that ahci
platform drivers can share more common code. A couple platform
drivers are added on top of that and several are added to replace
older drivers which were doing their own things (older ones are
scheduled to be removed).
- Dan finishes the patchset to make libata PM operations
asynchronous. Combined with one patch being routed through scsi,
this should speed resume measurably.
- Various fixes and cleanups from Bartlomiej and others"
* 'for-3.15' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (61 commits)
ata: fix Marvell SATA driver dependencies
ata: fix ARASAN CompactFlash PATA driver dependencies
ata: remove superfluous casts
ata: sata_highbank: remove superfluous cast
ata: fix Calxeda Highbank SATA driver dependencies
ata: fix R-Car SATA driver dependencies
ARM: davinci: da850: update SATA AHCI support
ata: add new-style AHCI platform driver for DaVinci DA850 AHCI controller
ata: move library code from ahci_platform.c to libahci_platform.c
ata: ahci_platform: fix ahci_platform_data->suspend method handling
libata: remove unused ata_sas_port_async_resume() stub
libata.h: add stub for ata_sas_port_resume
libata: async resume
libata, libsas: kill pm_result and related cleanup
ata: Fix compiler warning with APM X-Gene host controller driver
arm64: Add APM X-Gene SoC AHCI SATA host controller DTS entries
ata: Add APM X-Gene SoC AHCI SATA host controller driver
Documentation: Add documentation for the APM X-Gene SoC SATA host controller DTS binding
arm64: Add APM X-Gene SoC 15Gbps Multi-purpose PHY DTS entries
ata: ahci_sunxi: fix code formatting
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