[PATCH] xillybus: XILLYBUS_OF should depend on HAS_DMA

[Geert Uytterhoeven]

If NO_DMA=y:

    drivers/built-in.o: In function `xilly_of_unmap':
    xillybus_of.c:(.text+0xa860e): undefined reference to `dma_unmap_single'
    drivers/built-in.o: In function `xilly_map_single_of':
    xillybus_of.c:(.text+0xa8668): undefined reference to `dma_map_single'
    xillybus_of.c:(.text+0xa8676): undefined reference to `dma_mapping_error'
    xillybus_of.c:(.text+0xa86ca): undefined reference to `dma_unmap_single'
    drivers/built-in.o: In function `xilly_dma_sync_single_for_device_of':
    xillybus_of.c:(.text+0xa8700): undefined reference to `dma_sync_single_for_cpu'
    drivers/built-in.o: In function `xilly_dma_sync_single_for_cpu_of':
    xillybus_of.c:(.text+0xa8726): undefined reference to `dma_sync_single_for_cpu'

Signed-off-by: Geert Uytterhoeven <geert@xxxxxxxxxxxxxx>
---
 drivers/char/xillybus/Kconfig | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/xillybus/Kconfig b/drivers/char/xillybus/Kconfig
index b53bdf12da0d0fe3..b302684d86c14c06 100644
--- a/drivers/char/xillybus/Kconfig
+++ b/drivers/char/xillybus/Kconfig
@@ -24,7 +24,7 @@ config XILLYBUS_PCIE
 
 config XILLYBUS_OF
 	tristate "Xillybus over Device Tree"
-	depends on OF_ADDRESS && OF_IRQ
+	depends on OF_ADDRESS && OF_IRQ && HAS_DMA
 	help
 	  Set to M if you want Xillybus to find its resources from the
 	  Open Firmware Flattened Device Tree. If the target is an embedded
-- 
1.9.1

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