diff options
Diffstat (limited to 'arch/arm64/include/asm/io.h')
| -rw-r--r-- | arch/arm64/include/asm/io.h | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h index e0ecdcf6632d..79f1d519221f 100644 --- a/arch/arm64/include/asm/io.h +++ b/arch/arm64/include/asm/io.h @@ -121,7 +121,8 @@ static inline u64 __raw_readq(const volatile void __iomem *addr) /* * I/O port access primitives. */ -#define IO_SPACE_LIMIT 0xffff +#define arch_has_dev_port() (1) +#define IO_SPACE_LIMIT (SZ_32M - 1) #define PCI_IOBASE ((void __iomem *)(MODULES_VADDR - SZ_32M)) static inline u8 inb(unsigned long addr) @@ -243,7 +244,7 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size); * (PHYS_OFFSET and PHYS_MASK taken into account). */ #define ARCH_HAS_VALID_PHYS_ADDR_RANGE -extern int valid_phys_addr_range(unsigned long addr, size_t size); +extern int valid_phys_addr_range(phys_addr_t addr, size_t size); extern int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); extern int devmem_is_allowed(unsigned long pfn); |