1 files changed, 1 insertions, 5 deletions

diff --git a/arch/powerpc/kernel/dma-swiotlb.c b/arch/powerpc/kernel/dma-swiotlb.c
index 5fc335f4d9cd..678811abccfc 100644
--- a/arch/powerpc/kernel/dma-swiotlb.c
+++ b/arch/powerpc/kernel/dma-swiotlb.c
@@ -108,12 +108,8 @@ int __init swiotlb_setup_bus_notifier(void)
 
 void __init swiotlb_detect_4g(void)
 {
-        if ((memblock_end_of_DRAM() - 1) > 0xffffffff) {
+        if ((memblock_end_of_DRAM() - 1) > 0xffffffff)
                 ppc_swiotlb_enable = 1;
-#ifdef CONFIG_ZONE_DMA32
-                limit_zone_pfn(ZONE_DMA32, (1ULL << 32) >> PAGE_SHIFT);
-#endif
-        }
 }
 
 static int __init check_swiotlb_enabled(void)