drivers/built-in.o: In function `fec_enet_init':
bufp.c:(.text.unlikely+0x209c): undefined reference to `dma_alloc_noncacheable'
sound/built-in.o: In function `imx_pcm_preallocate_dma_buffer.constprop.8':
last.c:(.text+0x37320): undefined reference to `dma_alloc_writethrough'
last.c:(.text+0x37370): undefined reference to `dma_alloc_writethrough'
sound/built-in.o: In function `imx_soc_platform_probe':
last.c:(.devinit.text+0x528): undefined reference to `dma_alloc_noncacheable'