diff options
| author | Cyril Chemparathy <cyril@ti.com> | 2012-09-12 20:05:58 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-25 00:32:50 +0200 |
| commit | 7e6735c3578e76c270a2797225a4214176ba13ef (patch) | |
| tree | bc196f86d8699cd1eba80e8a3ebc1ba38e8a2bba /arch/sh | |
| parent | Linux 3.7-rc2 (diff) | |
| download | linux-7e6735c3578e76c270a2797225a4214176ba13ef.tar.xz linux-7e6735c3578e76c270a2797225a4214176ba13ef.zip | |
/dev/mem: use phys_addr_t for physical addresses
This patch fixes the /dev/mem driver to use phys_addr_t for physical
addresses. This is required on PAE systems, especially those that run
entirely out of >4G physical memory space.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'arch/sh')
| -rw-r--r-- | arch/sh/include/asm/io.h | 2 | ||||
| -rw-r--r-- | arch/sh/mm/mmap.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/arch/sh/include/asm/io.h b/arch/sh/include/asm/io.h index 73a23f4617a3..629db2ad7916 100644 --- a/arch/sh/include/asm/io.h +++ b/arch/sh/include/asm/io.h @@ -382,7 +382,7 @@ static inline int iounmap_fixed(void __iomem *addr) { return -EINVAL; } #define xlate_dev_kmem_ptr(p) p #define ARCH_HAS_VALID_PHYS_ADDR_RANGE -int valid_phys_addr_range(unsigned long addr, size_t size); +int valid_phys_addr_range(phys_addr_t addr, size_t size); int valid_mmap_phys_addr_range(unsigned long pfn, size_t size); #endif /* __KERNEL__ */ diff --git a/arch/sh/mm/mmap.c b/arch/sh/mm/mmap.c index afeb710ec5c3..80bf494ddbcb 100644 --- a/arch/sh/mm/mmap.c +++ b/arch/sh/mm/mmap.c @@ -238,7 +238,7 @@ bottomup: * 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 count) +int valid_phys_addr_range(phys_addr_t addr, size_t count) { if (addr < __MEMORY_START) return 0; |