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-rw-r--r--arch/sparc/mm/iommu.c11
1 files changed, 0 insertions, 11 deletions
diff --git a/arch/sparc/mm/iommu.c b/arch/sparc/mm/iommu.c
index 07fc6a65d9b6..349ba83f1789 100644
--- a/arch/sparc/mm/iommu.c
+++ b/arch/sparc/mm/iommu.c
@@ -426,20 +426,9 @@ static void iommu_unmap_dma_area(struct device *dev, unsigned long busa, int len
}
#endif
-static char *iommu_lockarea(char *vaddr, unsigned long len)
-{
- return vaddr;
-}
-
-static void iommu_unlockarea(char *vaddr, unsigned long len)
-{
-}
-
void __init ld_mmu_iommu(void)
{
viking_flush = (BTFIXUPVAL_CALL(flush_page_for_dma) == (unsigned long)viking_flush_page);
- BTFIXUPSET_CALL(mmu_lockarea, iommu_lockarea, BTFIXUPCALL_RETO0);
- BTFIXUPSET_CALL(mmu_unlockarea, iommu_unlockarea, BTFIXUPCALL_NOP);
if (!BTFIXUPVAL_CALL(flush_page_for_dma)) {
/* IO coherent chip */
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