diff options
Diffstat (limited to 'arch/s390/include')
-rw-r--r-- | arch/s390/include/asm/device.h | 6 | ||||
-rw-r--r-- | arch/s390/include/asm/dma-mapping.h | 6 | ||||
-rw-r--r-- | arch/s390/include/asm/mmu_context.h | 12 |
3 files changed, 21 insertions, 3 deletions
diff --git a/arch/s390/include/asm/device.h b/arch/s390/include/asm/device.h index d8f9872b0e2d..4a9f35e0973f 100644 --- a/arch/s390/include/asm/device.h +++ b/arch/s390/include/asm/device.h @@ -3,5 +3,9 @@ * * This file is released under the GPLv2 */ -#include <asm-generic/device.h> +struct dev_archdata { + struct dma_map_ops *dma_ops; +}; +struct pdev_archdata { +}; diff --git a/arch/s390/include/asm/dma-mapping.h b/arch/s390/include/asm/dma-mapping.h index e64bfcb9702f..3249b7464889 100644 --- a/arch/s390/include/asm/dma-mapping.h +++ b/arch/s390/include/asm/dma-mapping.h @@ -11,11 +11,13 @@ #define DMA_ERROR_CODE (~(dma_addr_t) 0x0) -extern struct dma_map_ops s390_dma_ops; +extern struct dma_map_ops s390_pci_dma_ops; static inline struct dma_map_ops *get_dma_ops(struct device *dev) { - return &s390_dma_ops; + if (dev && dev->archdata.dma_ops) + return dev->archdata.dma_ops; + return &dma_noop_ops; } static inline void dma_cache_sync(struct device *dev, void *vaddr, size_t size, diff --git a/arch/s390/include/asm/mmu_context.h b/arch/s390/include/asm/mmu_context.h index e485817f7b1a..d321469eeda7 100644 --- a/arch/s390/include/asm/mmu_context.h +++ b/arch/s390/include/asm/mmu_context.h @@ -136,4 +136,16 @@ static inline void arch_bprm_mm_init(struct mm_struct *mm, { } +static inline bool arch_vma_access_permitted(struct vm_area_struct *vma, + bool write, bool execute, bool foreign) +{ + /* by default, allow everything */ + return true; +} + +static inline bool arch_pte_access_permitted(pte_t pte, bool write) +{ + /* by default, allow everything */ + return true; +} #endif /* __S390_MMU_CONTEXT_H */ |