出现如下错误 求大神指点!!!!!!
arch/arm/mach-s5pv210/built-in.o: In function `s5pv210_pm_add':
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/pm.c:142: undefined reference to `pm_cpu_prep'
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/pm.c:142: undefined reference to `pm_cpu_sleep'
arch/arm/mach-s5pv210/built-in.o: In function `s5pv210_pm_prepare':
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/pm.c:133: undefined reference to `s3c_pm_do_save'
arch/arm/mach-s5pv210/built-in.o: In function `s5pv210_pm_resume':
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/pm.c:165: undefined reference to `s3c_pm_do_restore_core'
arch/arm/mach-s5pv210/built-in.o: In function `s5pv210_dma_init':
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/dma.c:122: undefined reference to `amba_device_register'
/home/erazer/.local/share/Trash/files/linux-3.11.10/arch/arm/mach-s5pv210/dma.c:126: undefined reference to `amba_device_register'
make: *** [vmlinux] Error 1