There exists blackfin hardware with PCI support, but the support
currently in the kernel fails to build starting with:

<--  snip  -->

...
  CC      init/main.o
In file included from dma-mapping.h:5,
                 from dma-mapping.h:52,
                 from dmaengine.h:29,
                 from skbuff.h:29,
                 from netlink.h:155,
                 from genetlink.h:4,
                 from genetlink.h:4,
                 from taskstats_kern.h:12,
                 from main.c:46:
dma-mapping.h: In function 'dma_supported': ma-mapping.h:24: 
error: implicit declaration of function 'pci_dma_supported'
...
make[2]: *** [init/main.o] Error 1


<--  snip  -->

Signed-off-by: Adrian Bunk <bunk@kernel.org>

---
3bdc07c86b6fd5fc18b7676a75c3ff907e00e807 
diff --git a/arch/m68knommu/Kconfig b/arch/m68knommu/Kconfig
index 2e7515e..77a5bdf 100644
--- a/arch/m68knommu/Kconfig
+++ b/arch/m68knommu/Kconfig
@@ -702,6 +702,7 @@ menu "Bus options (PCI, PCMCIA, EISA, MCA, ISA)"
 
 config PCI
 	bool "PCI support"
+	depends on BROKEN
 	help
 	  Support for PCI bus.
 

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