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-rw-r--r--arch/arm/include/asm/barrier.h7
-rw-r--r--arch/arm/include/asm/dma-mapping.h1
-rw-r--r--arch/arm/include/asm/memory.h8
3 files changed, 4 insertions, 12 deletions
diff --git a/arch/arm/include/asm/barrier.h b/arch/arm/include/asm/barrier.h
index 05112380dc53..8dcd9c702d90 100644
--- a/arch/arm/include/asm/barrier.h
+++ b/arch/arm/include/asm/barrier.h
@@ -44,10 +44,9 @@
#define rmb() dsb()
#define wmb() mb()
#else
-#include <asm/memory.h>
-#define mb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
-#define rmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
-#define wmb() do { if (arch_is_coherent()) dmb(); else barrier(); } while (0)
+#define mb() barrier()
+#define rmb() barrier()
+#define wmb() barrier()
#endif
#ifndef CONFIG_SMP
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h
index 5c44dcb0987b..23004847bb05 100644
--- a/arch/arm/include/asm/dma-mapping.h
+++ b/arch/arm/include/asm/dma-mapping.h
@@ -13,6 +13,7 @@
#define DMA_ERROR_CODE (~0)
extern struct dma_map_ops arm_dma_ops;
+extern struct dma_map_ops arm_coherent_dma_ops;
static inline struct dma_map_ops *get_dma_ops(struct device *dev)
{
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index 5f6ddcc56452..73cf03aa981e 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -275,14 +275,6 @@ static inline __deprecated void *bus_to_virt(unsigned long x)
#define virt_to_page(kaddr) pfn_to_page(__pa(kaddr) >> PAGE_SHIFT)
#define virt_addr_valid(kaddr) ((unsigned long)(kaddr) >= PAGE_OFFSET && (unsigned long)(kaddr) < (unsigned long)high_memory)
-/*
- * Optional coherency support. Currently used only by selected
- * Intel XSC3-based systems.
- */
-#ifndef arch_is_coherent
-#define arch_is_coherent() 0
-#endif
-
#endif
#include <asm-generic/memory_model.h>