I guess this is probably due to a missing one liner commit. arch/arm/mach-s3c2440/mach-gta02.c: In function 'gta02_glamo_mci_use_slow': arch/arm/mach-s3c2440/mach-gta02.c:1435: error: implicit declaration of function 'neo1973_pm_gps_is_on' Graeme