2014-10-02 14:57:01

by Min-Hua Chen

Subject: [PATCH] [RESEND]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 <[email protected]>
---
arch/arm64/include/asm/io.h | 2 +-
arch/arm64/mm/mmap.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/arm64/include/asm/io.h b/arch/arm64/include/asm/io.h
index e0ecdcf..f771e8b 100644
--- a/arch/arm64/include/asm/io.h
+++ b/arch/arm64/include/asm/io.h
@@ -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);
diff --git a/arch/arm64/mm/mmap.c b/arch/arm64/mm/mmap.c
index 8ed6cb1..1d73662 100644
--- a/arch/arm64/mm/mmap.c
+++ b/arch/arm64/mm/mmap.c
@@ -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;
--
1.7.10.4

2014-10-02 16:26:32

by Catalin Marinas

Subject: Re: [PATCH] [RESEND]arm64: Use phys_addr_t type for physical address

On Thu, Oct 02, 2014 at 03:56:59PM +0100, Min-Hua Chen wrote:
> 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 <[email protected]>

Applied. Thanks.

--
Catalin