If NO_DMA=y:
drivers/built-in.o: In function `dwc3_free_one_event_buffer':
drivers/usb/dwc3/core.c:132: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_alloc_one_event_buffer':
drivers/usb/dwc3/core.c:154: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `dma_set_coherent_mask':
include/linux/dma-mapping.h:93: undefined reference to `dma_supported'
drivers/built-in.o: In function `dwc3_free_trb_pool':
drivers/usb/dwc3/gadget.c:407: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_gadget_exit':
drivers/usb/dwc3/gadget.c:2693: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `dwc3_alloc_trb_pool':
drivers/usb/dwc3/gadget.c:391: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `dwc3_gadget_init':
drivers/usb/dwc3/gadget.c:2598: undefined reference to `dma_alloc_coherent'
drivers/usb/dwc3/gadget.c:2667: undefined reference to `dma_free_coherent'
drivers/usb/dwc3/gadget.c:2674: undefined reference to `dma_free_coherent'
drivers/usb/dwc3/gadget.c:2678: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <ge...@linux-m68k.org>
---
drivers/usb/dwc3/Kconfig | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/usb/dwc3/Kconfig b/drivers/usb/dwc3/Kconfig
index 757aa18..2378958 100644
--- a/drivers/usb/dwc3/Kconfig
+++ b/drivers/usb/dwc3/Kconfig
@@ -1,6 +1,6 @@
config USB_DWC3
tristate "DesignWare USB3 DRD Core Support"
- depends on (USB || USB_GADGET) && GENERIC_HARDIRQS
+ depends on (USB || USB_GADGET) && GENERIC_HARDIRQS && HAS_DMA
select USB_XHCI_PLATFORM if USB_SUPPORT && USB_XHCI_HCD
help
Say Y or M here if your system has a Dual Role SuperSpeed
--
1.7.9.5
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