diff options
Diffstat (limited to 'arch/arm/include/asm/dma-mapping.h')
-rw-r--r-- | arch/arm/include/asm/dma-mapping.h | 10 |
1 files changed, 3 insertions, 7 deletions
diff --git a/arch/arm/include/asm/dma-mapping.h b/arch/arm/include/asm/dma-mapping.h index 7e0486ad1318..bdd80ddbca34 100644 --- a/arch/arm/include/asm/dma-mapping.h +++ b/arch/arm/include/asm/dma-mapping.h @@ -18,7 +18,9 @@ extern const struct dma_map_ops arm_coherent_dma_ops; static inline const struct dma_map_ops *get_arch_dma_ops(struct bus_type *bus) { - return IS_ENABLED(CONFIG_MMU) ? &arm_dma_ops : NULL; + if (IS_ENABLED(CONFIG_MMU) && !IS_ENABLED(CONFIG_ARM_LPAE)) + return &arm_dma_ops; + return NULL; } #ifdef __arch_page_to_dma @@ -89,12 +91,6 @@ static inline dma_addr_t virt_to_dma(struct device *dev, void *addr) } #endif -/* do not use this function in a driver */ -static inline bool is_device_dma_coherent(struct device *dev) -{ - return dev->archdata.dma_coherent; -} - /** * arm_dma_alloc - allocate consistent memory for DMA * @dev: valid struct device pointer, or NULL for ISA and EISA-like devices |