path: root/arch/arm/include
diff options
Diffstat (limited to 'arch/arm/include')
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/arm/include/asm/memory.h b/arch/arm/include/asm/memory.h
index c79b57bf71c4..49bf6b1e2177 100644
--- a/arch/arm/include/asm/memory.h
+++ b/arch/arm/include/asm/memory.h
@@ -273,14 +273,14 @@ static inline void *phys_to_virt(phys_addr_t x)
#define __va(x) ((void *)__phys_to_virt((phys_addr_t)(x)))
#define pfn_to_kaddr(pfn) __va((phys_addr_t)(pfn) << PAGE_SHIFT)
-extern phys_addr_t (*arch_virt_to_idmap)(unsigned long x);
+extern unsigned long (*arch_virt_to_idmap)(unsigned long x);
* These are for systems that have a hardware interconnect supported alias of
* physical memory for idmap purposes. Most cases should leave these
- * untouched.
+ * untouched. Note: this can only return addresses less than 4GiB.
-static inline phys_addr_t __virt_to_idmap(unsigned long x)
+static inline unsigned long __virt_to_idmap(unsigned long x)
if (IS_ENABLED(CONFIG_MMU) && arch_virt_to_idmap)
return arch_virt_to_idmap(x);