Pull libata updates from Jens Axboe:
"As usual pretty quiet, mostly trivial fixes (or dead code removal),
outside of various fixes for ahci_bcrm"
* tag 'for-5.6/libata-2020-01-27' of git://git.kernel.dk/linux-block:
ata/acard_ahci: remove unused variable n_elem
ata: pata_macio: fix comparing pointer to 0
ata: ahci_brcm: BCM7216 reset is self de-asserting
ata: ahci_brcm: Perform reset after obtaining resources
ata: brcm: fix reset controller API usage
ata: brcm: mark PM functions as __maybe_unused
ata: ahci_brcm: Support BCM7216 reset controller name
dt-bindings: ata: Document BCM7216 AHCI controller compatible
ata: ahci_brcm: Add a shutdown callback
ata: ahci_brcm: Manage reset line during suspend/resume