4 files changed, 5 insertions, 13 deletions
diff --git a/arch/mips/include/asm/device.h b/arch/mips/include/asm/device.h
index 21c2082a0dfb..6aa796f1081a 100644
--- a/arch/mips/include/asm/device.h
+++ b/arch/mips/include/asm/device.h
@@ -6,12 +6,7 @@
 #ifndef _ASM_MIPS_DEVICE_H
 #define _ASM_MIPS_DEVICE_H
 
-struct dma_map_ops;
-
 struct dev_archdata {
-	/* DMA operations on that device */
-	struct dma_map_ops *dma_ops;
-
 #ifdef CONFIG_DMA_PERDEV_COHERENT
 	/* Non-zero if DMA is coherent with CPU caches */
 	bool dma_coherent;
diff --git a/arch/mips/include/asm/dma-mapping.h b/arch/mips/include/asm/dma-mapping.h
index 7aa71b9b0258..aba71385f9d1 100644
--- a/arch/mips/include/asm/dma-mapping.h
+++ b/arch/mips/include/asm/dma-mapping.h
@@ -9,14 +9,11 @@
 #include <dma-coherence.h>
 #endif
 
-extern struct dma_map_ops *mips_dma_map_ops;
+extern const struct dma_map_ops *mips_dma_map_ops;
 
-static inline struct dma_map_ops *get_dma_ops(struct device *dev)
+static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus)
 {
-	if (dev && dev->archdata.dma_ops)
-		return dev->archdata.dma_ops;
-	else
-		return mips_dma_map_ops;
+	return mips_dma_map_ops;
 }
 
 static inline bool dma_capable(struct device *dev, dma_addr_t addr, size_t size)
diff --git a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
index 460042ee5d6f..9110988b92a1 100644
--- a/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
+++ b/arch/mips/include/asm/mach-cavium-octeon/dma-coherence.h
@@ -65,7 +65,7 @@ dma_addr_t phys_to_dma(struct device *dev, phys_addr_t paddr);
 phys_addr_t dma_to_phys(struct device *dev, dma_addr_t daddr);
 
 struct dma_map_ops;
-extern struct dma_map_ops *octeon_pci_dma_map_ops;
+extern const struct dma_map_ops *octeon_pci_dma_map_ops;
 extern char *octeon_swiotlb;
 
 #endif /* __ASM_MACH_CAVIUM_OCTEON_DMA_COHERENCE_H */
diff --git a/arch/mips/include/asm/netlogic/common.h b/arch/mips/include/asm/netlogic/common.h
index be52c2125d71..e0717d10e650 100644
--- a/arch/mips/include/asm/netlogic/common.h
+++ b/arch/mips/include/asm/netlogic/common.h
@@ -88,7 +88,7 @@ extern struct plat_smp_ops nlm_smp_ops;
 extern char nlm_reset_entry[], nlm_reset_entry_end[];
 
 /* SWIOTLB */
-extern struct dma_map_ops nlm_swiotlb_dma_ops;
+extern const struct dma_map_ops nlm_swiotlb_dma_ops;
 
 extern unsigned int nlm_threads_per_core;
 extern cpumask_t nlm_cpumask;