drivers/media/video/samsung/mfc10/s3c_mfc.c: In function 's3c_mfc_ioctl':
drivers/media/video/samsung/mfc10/s3c_mfc.c:350:3: error: implicit declaration of function 'dma_cache_maint'
drivers/media/video/samsung/mfc10/s3c_mfc.c:277:25: warning: unused variable 'end'
drivers/media/video/samsung/mfc10/s3c_mfc.c:275:15: warning: unused variable 'yuv_buff_cnt'
drivers/media/video/samsung/mfc10/s3c_mfc.c: At top level:
drivers/media/video/samsung/mfc10/s3c_mfc.c:656:2: warning: initialization from incompatible pointer type
drivers/media/video/samsung/mfc10/s3c_mfc.c: In function 's3c_mfc_probe':
drivers/media/video/samsung/mfc10/s3c_mfc.c:687:15: warning: unused variable 'mfc_clk'
drivers/media/video/samsung/mfc10/s3c_mfc.c: In function 's3c_mfc_suspend':
drivers/media/video/samsung/mfc10/s3c_mfc.c:825:13: warning: assignment makes integer from pointer without a cast
drivers/media/video/samsung/mfc10/s3c_mfc.c: In function 's3c_mfc_resume':
drivers/media/video/samsung/mfc10/s3c_mfc.c:902:13: warning: assignment makes integer from pointer without a cast
make[5]: *** [drivers/media/video/samsung/mfc10/s3c_mfc.o] Error 1
make[4]: *** [drivers/media/video/samsung/mfc10] Error 2
make[3]: *** [drivers/media/video/samsung] Error 2
make[2]: *** [drivers/media/video] Error 2
make[1]: *** [drivers/media] Error 2
Linux内核是官方提供的Android版本Linux内核2.6.36，目标板是Tiny6410。
请问一下dma_cache_maint这个函数有哪个函数可以替换啊
