1 files changed, 4 insertions, 4 deletions

diff --git a/arch/powerpc/kernel/dma.c b/arch/powerpc/kernel/dma.c
index 6877e3fa95bb..41c749586bd2 100644
--- a/arch/powerpc/kernel/dma.c
+++ b/arch/powerpc/kernel/dma.c
@@ -33,7 +33,7 @@ static u64 __maybe_unused get_pfn_limit(struct device *dev)
         struct dev_archdata __maybe_unused *sd = &dev->archdata;
 
 #ifdef CONFIG_SWIOTLB
-        if (sd->max_direct_dma_addr && sd->dma_ops == &swiotlb_dma_ops)
+        if (sd->max_direct_dma_addr && dev->dma_ops == &swiotlb_dma_ops)
                 pfn = min_t(u64, pfn, sd->max_direct_dma_addr >> PAGE_SHIFT);
 #endif
 
@@ -274,7 +274,7 @@ static inline void dma_direct_sync_single(struct device *dev,
 }
 #endif
 
-struct dma_map_ops dma_direct_ops = {
+const struct dma_map_ops dma_direct_ops = {
         .alloc                          = dma_direct_alloc_coherent,
         .free                           = dma_direct_free_coherent,
         .mmap                           = dma_direct_mmap_coherent,
@@ -316,7 +316,7 @@ EXPORT_SYMBOL(dma_set_coherent_mask);
 
 int __dma_set_mask(struct device *dev, u64 dma_mask)
 {
-        struct dma_map_ops *dma_ops = get_dma_ops(dev);
+        const struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
         if ((dma_ops != NULL) && (dma_ops->set_dma_mask != NULL))
                 return dma_ops->set_dma_mask(dev, dma_mask);
@@ -344,7 +344,7 @@ EXPORT_SYMBOL(dma_set_mask);
 
 u64 __dma_get_required_mask(struct device *dev)
 {
-        struct dma_map_ops *dma_ops = get_dma_ops(dev);
+        const struct dma_map_ops *dma_ops = get_dma_ops(dev);
 
         if (unlikely(dma_ops == NULL))
                 return 0;