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arm64: Use phys_addr_t type for physical address 

Change the type of physical address from unsigned long to phys_addr_t,
make valid_phys_addr_range more readable.

Signed-off-by: Min-Hua Chen <orca.chen@gmail.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Min-Hua Chen 2014-10-02 15:56:59 +01:00 committed by Catalin Marinas
parent 6c34f1f542
commit 097cbd8d26
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/include/asm/io.h
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@ -243,7 +243,7 @@ extern void __iomem *ioremap_cache(phys_addr_t phys_addr, size_t size);
* (PHYS_OFFSET and PHYS_MASK taken into account). * (PHYS_OFFSET and PHYS_MASK taken into account).
*/ */
#define ARCH_HAS_VALID_PHYS_ADDR_RANGE #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 valid_mmap_phys_addr_range(unsigned long pfn, size_t size);
extern int devmem_is_allowed(unsigned long pfn); extern int devmem_is_allowed(unsigned long pfn);

2
arch/arm64/mm/mmap.c
View File

@ -102,7 +102,7 @@ EXPORT_SYMBOL_GPL(arch_pick_mmap_layout);
* You really shouldn't be using read() or write() on /dev/mem. This might go * You really shouldn't be using read() or write() on /dev/mem. This might go
* away in the future. * away in the future.
*/ */
int valid_phys_addr_range(unsigned long addr, size_t size) int valid_phys_addr_range(phys_addr_t addr, size_t size)
{ {
if (addr < PHYS_OFFSET) if (addr < PHYS_OFFSET)
return 0; return 0;