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authorArnd Bergmann <arnd@arndb.de>2011-11-29 14:50:17 +0000
committerArnd Bergmann <arnd@arndb.de>2011-11-29 14:50:17 +0000
commit98014be39bda8277a5ad130bb274ed6eb18b74df (patch)
tree974620a47c9350ff9b3c06ffd2b49470bbda72ab /arch/sparc/include/asm
parent55135dfbf3dd83cb3e98deed8271b62d188404e1 (diff)
parent6e2a587eb99267367409097b70cb2d61b09e5269 (diff)
Merge branch 'defconfigs-for-arnd' of git://git.linaro.org/people/triad/linux-stericsson into fixes
Diffstat (limited to 'arch/sparc/include/asm')
-rw-r--r--arch/sparc/include/asm/pgtable_32.h20
-rw-r--r--arch/sparc/include/asm/pgtable_64.h20
2 files changed, 32 insertions, 8 deletions
diff --git a/arch/sparc/include/asm/pgtable_32.h b/arch/sparc/include/asm/pgtable_32.h
index 5b31a8e8982..a790cc65747 100644
--- a/arch/sparc/include/asm/pgtable_32.h
+++ b/arch/sparc/include/asm/pgtable_32.h
@@ -431,10 +431,6 @@ extern unsigned long *sparc_valid_addr_bitmap;
#define kern_addr_valid(addr) \
(test_bit(__pa((unsigned long)(addr))>>20, sparc_valid_addr_bitmap))
-extern int io_remap_pfn_range(struct vm_area_struct *vma,
- unsigned long from, unsigned long pfn,
- unsigned long size, pgprot_t prot);
-
/*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there.
@@ -443,6 +439,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma,
#define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4))
#define GET_PFN(pfn) (pfn & 0x0fffffffUL)
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+ unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+ unsigned long from, unsigned long pfn,
+ unsigned long size, pgprot_t prot)
+{
+ unsigned long long offset, space, phys_base;
+
+ offset = ((unsigned long long) GET_PFN(pfn)) << PAGE_SHIFT;
+ space = GET_IOSPACE(pfn);
+ phys_base = offset | (space << 32ULL);
+
+ return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
#define __HAVE_ARCH_PTEP_SET_ACCESS_FLAGS
#define ptep_set_access_flags(__vma, __address, __ptep, __entry, __dirty) \
({ \
diff --git a/arch/sparc/include/asm/pgtable_64.h b/arch/sparc/include/asm/pgtable_64.h
index adf89329af5..38ebb2c6013 100644
--- a/arch/sparc/include/asm/pgtable_64.h
+++ b/arch/sparc/include/asm/pgtable_64.h
@@ -757,10 +757,6 @@ static inline bool kern_addr_valid(unsigned long addr)
extern int page_in_phys_avail(unsigned long paddr);
-extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
- unsigned long pfn,
- unsigned long size, pgprot_t prot);
-
/*
* For sparc32&64, the pfn in io_remap_pfn_range() carries <iospace> in
* its high 4 bits. These macros/functions put it there or get it from there.
@@ -769,6 +765,22 @@ extern int io_remap_pfn_range(struct vm_area_struct *vma, unsigned long from,
#define GET_IOSPACE(pfn) (pfn >> (BITS_PER_LONG - 4))
#define GET_PFN(pfn) (pfn & 0x0fffffffffffffffUL)
+extern int remap_pfn_range(struct vm_area_struct *, unsigned long, unsigned long,
+ unsigned long, pgprot_t);
+
+static inline int io_remap_pfn_range(struct vm_area_struct *vma,
+ unsigned long from, unsigned long pfn,
+ unsigned long size, pgprot_t prot)
+{
+ unsigned long offset = GET_PFN(pfn) << PAGE_SHIFT;
+ int space = GET_IOSPACE(pfn);
+ unsigned long phys_base;
+
+ phys_base = offset | (((unsigned long) space) << 32UL);
+
+ return remap_pfn_range(vma, from, phys_base >> PAGE_SHIFT, size, prot);
+}
+
#include <asm-generic/pgtable.h>
/* We provide our own get_unmapped_area to cope with VA holes and