From: Randy Dunlap <randy.dunlap@xxxxxxxxxx> timblogiw uses dma() interfaces and it selects TIMB_DMA for that support. However, drivers/dma/ is not built unless CONFIG_DMA_ENGINE is enabled, so select/enable that symbol also. drivers/built-in.o: In function `timblogiw_close': timblogiw.c:(.text+0x4419fe): undefined reference to `dma_release_channel' drivers/built-in.o: In function `buffer_release': timblogiw.c:(.text+0x441a8d): undefined reference to `dma_sync_wait' drivers/built-in.o: In function `timblogiw_open': timblogiw.c:(.text+0x44212b): undefined reference to `__dma_request_channel' Signed-off-by: Randy Dunlap <randy.dunlap@xxxxxxxxxx> --- drivers/media/video/Kconfig | 1 + 1 file changed, 1 insertion(+) --- mmotm-2010-1123-1612.orig/drivers/media/video/Kconfig +++ mmotm-2010-1123-1612/drivers/media/video/Kconfig @@ -669,6 +669,7 @@ config VIDEO_HEXIUM_GEMINI config VIDEO_TIMBERDALE tristate "Support for timberdale Video In/LogiWIN" depends on VIDEO_V4L2 && I2C + select DMA_ENGINE select TIMB_DMA select VIDEO_ADV7180 select VIDEOBUF_DMA_CONTIG -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxxx For more info on Linux MM, see: http://www.linux-mm.org/ . Fight unfair telecom policy in Canada: sign http://dissolvethecrtc.ca/ Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>