Pull blackfin updates from Steven Miao:
"Blackfin gpio changes, add adi pinctrl driver, and bug fixes"
* tag 'blackfin-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/realmz6/blackfin-linux:
blackfin: fix build warning for unused variable
smp: bf561: and smb_wmb()/smp_rmb() at ipi send/receive
pm: use GFP_ATOMIC when pm core call this function
blackfin: serial: Add serial port_fer and port_mux early platform resources.
blackfin: pinctrl-adi2: code cleanup after using pinctrl-adi2
blackfin: adi gpio driver and pinctrl driver support
bf609: update default config for spi
Blackfin: bfin_gpio: Use proper mask for comparing pfunc