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Commit 097cbd8d authored by Min-Hua Chen's avatar Min-Hua Chen Committed by Catalin Marinas
Browse files

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: default avatarMin-Hua Chen <orca.chen@gmail.com>
Signed-off-by: default avatarCatalin Marinas <catalin.marinas@arm.com>
parent 6c34f1f5

arch/arm64/include/asm/io.h

+1 −1
Original line number Diff line number Diff line
@@ -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).

 */

#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);

arch/arm64/mm/mmap.c

+1 −1
Original line number Diff line number Diff line
@@ -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

 * 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)

		return 0;