[MIPS] Fix CONFIG_LIMITED_DMA build.

This fix a build error for the Momentum Jaguar ATX eval board.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --git a/arch/mips/mm/highmem.c b/arch/mips/mm/highmem.c
index 1f7b37b38f5c740839208cf7f6728e3335fde7f0..0c544375b856be81235c121c0fca81f0290deeb0 100644 (file)
--- a/arch/mips/mm/highmem.c
+++ b/arch/mips/mm/highmem.c
@@ -83,6 +83,7 @@ void __kunmap_atomic(void *kvaddr, enum km_type type)
        preempt_check_resched();
 }
 
+#ifndef CONFIG_LIMITED_DMA
 /*
  * This is the same as kmap_atomic() but can map memory that doesn't
  * have a struct page associated with it.
@@ -101,6 +102,7 @@ void *kmap_atomic_pfn(unsigned long pfn, enum km_type type)
 
        return (void*) vaddr;
 }
+#endif /* CONFIG_LIMITED_DMA */
 
 struct page *__kmap_atomic_to_page(void *ptr)
 {