ARM: mm: remove redundant dsb() prior to range TLB invalidation

[~andy/linux] / arch / arm / mm / dma-mapping.c

diff --git a/arch/arm/mm/dma-mapping.c b/arch/arm/mm/dma-mapping.c
index 7f9b1798c6cf12f08e55496b27082722e16a30f3..0c17f69a8286e6f9d4646028b9f4b615ad018e08 100644 (file)
--- a/arch/arm/mm/dma-mapping.c
+++ b/arch/arm/mm/dma-mapping.c
@@ -455,7 +455,6 @@ static void __dma_remap(struct page *page, size_t size, pgprot_t prot)
        unsigned end = start + size;
 
        apply_to_page_range(&init_mm, start, size, __dma_update_pte, &prot);
-       dsb();
        flush_tlb_kernel_range(start, end);
 }