If NO_DMA=y: drivers/built-in.o: In function `done': drivers/usb/gadget/mv_udc_core.c:239: undefined reference to `dma_pool_free' drivers/built-in.o: In function `build_dtd': drivers/usb/gadget/mv_udc_core.c:371: undefined reference to `dma_pool_alloc' drivers/built-in.o: In function `udc_prime_status': drivers/usb/gadget/mv_udc_core.c:1465: undefined reference to `dma_map_single' drivers/built-in.o: In function `mv_udc_remove': drivers/usb/gadget/mv_udc_core.c:2087: undefined reference to `dma_pool_destroy' drivers/usb/gadget/mv_udc_core.c:2090: undefined reference to `dma_free_coherent' drivers/built-in.o: In function `mv_udc_probe': drivers/usb/gadget/mv_udc_core.c:2190: undefined reference to `dma_alloc_coherent' drivers/usb/gadget/mv_udc_core.c:2201: undefined reference to `dma_pool_create' drivers/usb/gadget/mv_udc_core.c:2315: undefined reference to `dma_pool_destroy' drivers/usb/gadget/mv_udc_core.c:2317: undefined reference to `dma_free_coherent' Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx> --- drivers/usb/gadget/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/gadget/Kconfig b/drivers/usb/gadget/Kconfig index 62f6802..95375d1 100644 --- a/drivers/usb/gadget/Kconfig +++ b/drivers/usb/gadget/Kconfig @@ -328,7 +328,7 @@ config USB_S3C_HSUDC config USB_MV_UDC tristate "Marvell USB2.0 Device Controller" - depends on GENERIC_HARDIRQS + depends on GENERIC_HARDIRQS && HAS_DMA help Marvell Socs (including PXA and MMP series) include a high speed USB2.0 OTG controller, which can be configured as high speed or -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html