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| author | venkatesh.pallipadi@intel.com <venkatesh.pallipadi@intel.com> | 2008-03-19 03:00:16 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-04-17 19:41:19 +0400 |
| commit | 3a96ce8cac808fbed5493adc5c605bced28e2ca1 (patch) | |
| tree | a6ab4f019e6cd228823fd28be3b75a0a8bf84690 /arch/x86/mm | |
| parent | 55c626820a82b25d7fceca702e9422037ae80626 (diff) | |
| download | linux-3a96ce8cac808fbed5493adc5c605bced28e2ca1.tar.xz | |
x86: PAT make ioremap_change_attr non-static
Make ioremap_change_attr() non-static and use prot_val in place of ioremap_mode.
This interface is used in subsequent PAT patches.
Signed-off-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
Signed-off-by: Suresh Siddha <suresh.b.siddha@intel.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/mm')
| -rw-r--r-- | arch/x86/mm/ioremap.c | 29 |
1 files changed, 12 insertions, 17 deletions
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c index df95d1d6b4df..2ac09a5822cb 100644 --- a/arch/x86/mm/ioremap.c +++ b/arch/x86/mm/ioremap.c @@ -20,11 +20,6 @@ #include <asm/tlbflush.h> #include <asm/pgalloc.h> -enum ioremap_mode { - IOR_MODE_UNCACHED, - IOR_MODE_CACHED, -}; - #ifdef CONFIG_X86_64 unsigned long __phys_addr(unsigned long x) @@ -90,18 +85,18 @@ int page_is_ram(unsigned long pagenr) * Fix up the linear direct mapping of the kernel to avoid cache attribute * conflicts. */ -static int ioremap_change_attr(unsigned long vaddr, unsigned long size, - enum ioremap_mode mode) +int ioremap_change_attr(unsigned long vaddr, unsigned long size, + unsigned long prot_val) { unsigned long nrpages = size >> PAGE_SHIFT; int err; - switch (mode) { - case IOR_MODE_UNCACHED: + switch (prot_val) { + case _PAGE_CACHE_UC: default: err = set_memory_uc(vaddr, nrpages); break; - case IOR_MODE_CACHED: + case _PAGE_CACHE_WB: err = set_memory_wb(vaddr, nrpages); break; } @@ -119,7 +114,7 @@ static int ioremap_change_attr(unsigned long vaddr, unsigned long size, * caller shouldn't need to know that small detail. */ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size, - enum ioremap_mode mode) + unsigned long prot_val) { unsigned long pfn, offset, last_addr, vaddr; struct vm_struct *area; @@ -156,12 +151,12 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size, WARN_ON_ONCE(is_ram); } - switch (mode) { - case IOR_MODE_UNCACHED: + switch (prot_val) { + case _PAGE_CACHE_UC: default: prot = PAGE_KERNEL_NOCACHE; break; - case IOR_MODE_CACHED: + case _PAGE_CACHE_WB: prot = PAGE_KERNEL; break; } @@ -186,7 +181,7 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size, return NULL; } - if (ioremap_change_attr(vaddr, size, mode) < 0) { + if (ioremap_change_attr(vaddr, size, prot_val) < 0) { vunmap(area->addr); return NULL; } @@ -217,13 +212,13 @@ static void __iomem *__ioremap(resource_size_t phys_addr, unsigned long size, */ void __iomem *ioremap_nocache(resource_size_t phys_addr, unsigned long size) { - return __ioremap(phys_addr, size, IOR_MODE_UNCACHED); + return __ioremap(phys_addr, size, _PAGE_CACHE_UC); } EXPORT_SYMBOL(ioremap_nocache); void __iomem *ioremap_cache(resource_size_t phys_addr, unsigned long size) { - return __ioremap(phys_addr, size, IOR_MODE_CACHED); + return __ioremap(phys_addr, size, _PAGE_CACHE_WB); } EXPORT_SYMBOL(ioremap_cache); |