diff options
Diffstat (limited to 'arch/arm/include/asm/memory.h')
| -rw-r--r-- | arch/arm/include/asm/memory.h | 10 |
1 files changed, 2 insertions, 8 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h index 3a72d69b3255..98d58bb04ac5 100644 --- a/arch/arm/include/asm/memory.h +++ b/arch/arm/include/asm/memory.h @@ -119,12 +119,6 @@ #endif /* - * Convert a physical address to a Page Frame Number and back - */ -#define __phys_to_pfn(paddr) ((unsigned long)((paddr) >> PAGE_SHIFT)) -#define __pfn_to_phys(pfn) ((phys_addr_t)(pfn) << PAGE_SHIFT) - -/* * Convert a page to/from a physical address */ #define page_to_phys(page) (__pfn_to_phys(page_to_pfn(page))) @@ -275,7 +269,7 @@ static inline void *phys_to_virt(phys_addr_t x) */ #define __pa(x) __virt_to_phys((unsigned long)(x)) #define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x))) -#define pfn_to_kaddr(pfn) __va((pfn) << PAGE_SHIFT) +#define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT) extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); @@ -286,7 +280,7 @@ extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x); */ static inline phys_addr_t __virt_to_idmap(unsigned long x) { - if (arch_virt_to_idmap) + if (IS_ENABLED(CONFIG_MMU) && arch_virt_to_idmap) return arch_virt_to_idmap(x); else return __virt_to_phys(x); |