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authorRussell King <rmk+kernel@arm.linux.org.uk>2011-12-06 03:20:17 +0400
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-12-06 03:20:17 +0400
commit742eaa6a6e356a16788ce6530271de89bc4f8fb5 (patch)
tree12fc040daab06ac796c61c1d92bfad9bb054d1c1 /arch/sparc/include
parentba8bb18a03f8c7508565c385576a5431a4ad804a (diff)
parentae72fd588a2b302222769b44775912b83f0785eb (diff)
downloadlinux-742eaa6a6e356a16788ce6530271de89bc4f8fb5.tar.xz
Merge branch 'for-rmk' of git://git.kernel.org/pub/scm/linux/kernel/git/will/linux into devel-stable
Conflicts: arch/arm/common/gic.c arch/arm/plat-omap/include/plat/common.h
Diffstat (limited to 'arch/sparc/include')
-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 5b31a8e89823..a790cc657476 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 adf89329af59..38ebb2c60137 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