Full build logs here but relevant bit below.

http://arm.koji.fedoraproject.org/koji/taskinfo?taskID=247005

+ make -s ARCH=arm V=1 -j2 modules
include/asm-generic/xor.h:696:34: warning: 'xor_block_8regs_p' defined but not used [-Wunused-variable]
include/asm-generic/xor.h:704:34: warning: 'xor_block_32regs_p' defined but not used [-Wunused-variable]
drivers/ata/sata_mv.c:80:12: warning: 'msi' defined but not used [-Wunused-variable]
drivers/ata/sata_mv.c:652:34: warning: 'mv5_sht' defined but not used [-Wunused-variable]
drivers/ata/sata_mv.c:1253:13: warning: 'mv_dump_pci_cfg' defined but not used [-Wunused-function]
drivers/block/drbd/drbd_main.c: In function 'drbd_buildtag':
drivers/block/drbd/drbd_main.c:4187:19: warning: the comparison will always evaluate as 'true' for the address of '__this_module' will never be NULL [-Waddress]
drivers/char/hw_random/mxc-rnga.c:136:2: warning: initialization from incompatible pointer type [enabled by default]
drivers/char/hw_random/mxc-rnga.c:136:2: warning: (near initialization for 'mxc_rnga.data_present') [enabled by default]
drivers/gpio/gpio-mcp23s08.c:370:12: warning: 'mcp23s08_probe_one' defined but not used [-Wunused-function]
drivers/input/joystick/analog.c:175:2: warning: #warning Precise timer not defined for this architecture. [-Wcpp]
drivers/input/touchscreen/eeti_ts.c: In function 'eeti_ts_irq_active':
drivers/input/touchscreen/eeti_ts.c:65:2: error: implicit declaration of function 'irq_to_gpio' [-Werror=implicit-function-declaration]
cc1: some warnings being treated as errors
make[3]: *** [drivers/input/touchscreen/eeti_ts.o] Error 1
make[2]: *** [drivers/input/touchscreen] Error 2
make[1]: *** [drivers/input] Error 2
make[1]: *** Waiting for unfinished jobs....
make: *** [drivers] Error 2
make: *** Waiting for unfinished jobs....
+ exit 1