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usb: musb: USB_MUSB_DUAL_ROLE/USB_MUSB_GADGET should depend on HAS_DMA
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If NO_DMA=y:

    drivers/built-in.o: In function `txstate':
    musb_gadget.c:(.text+0x35955a): undefined reference to `dma_unmap_single'
    musb_gadget.c:(.text+0x35957e): undefined reference to `dma_sync_single_for_cpu'
    drivers/built-in.o: In function `musb_g_giveback':
    (.text+0x359672): undefined reference to `dma_mapping_error'
    drivers/built-in.o: In function `musb_g_giveback':
    (.text+0x3596ba): undefined reference to `dma_unmap_single'
    drivers/built-in.o: In function `musb_g_giveback':
    (.text+0x3596e0): undefined reference to `dma_sync_single_for_cpu'
    drivers/built-in.o: In function `rxstate':
    musb_gadget.c:(.text+0x3599d0): undefined reference to `dma_unmap_single'
    musb_gadget.c:(.text+0x3599f6): undefined reference to `dma_sync_single_for_cpu'
    drivers/built-in.o: In function `musb_gadget_queue':
    musb_gadget.c:(.text+0x35a8c0): undefined reference to `dma_map_single'
    musb_gadget.c:(.text+0x35a8d0): undefined reference to `dma_mapping_error'
    musb_gadget.c:(.text+0x35a906): undefined reference to `dma_sync_single_for_cpu'
    musb_gadget.c:(.text+0x35a9a0): undefined reference to `dma_unmap_single'
    musb_gadget.c:(.text+0x35a9c8): undefined reference to `dma_sync_single_for_cpu'

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Geert Uytterhoeven authored and Felipe Balbi committed Mar 5, 2014
1 parent 7241a21 commit 3f83e53
Showing 1 changed file with 2 additions and 0 deletions.
2 changes: 2 additions & 0 deletions drivers/usb/musb/Kconfig
Original file line number Diff line number Diff line change
Expand Up @@ -43,13 +43,15 @@ config USB_MUSB_HOST
config USB_MUSB_GADGET
bool "Gadget only mode"
depends on USB_GADGET=y || USB_GADGET=USB_MUSB_HDRC
depends on HAS_DMA
help
Select this when you want to use MUSB in gadget mode only,
thereby the host feature will be regressed.

config USB_MUSB_DUAL_ROLE
bool "Dual Role mode"
depends on ((USB=y || USB=USB_MUSB_HDRC) && (USB_GADGET=y || USB_GADGET=USB_MUSB_HDRC))
depends on HAS_DMA
help
This is the default mode of working of MUSB controller where
both host and gadget features are enabled.
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