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authorWill Deacon <will.deacon@arm.com>2011-02-15 12:42:57 +0100
committerRussell King <rmk+kernel@arm.linux.org.uk>2011-02-15 14:20:23 +0000
commitcae6292b653f5e3308bf2787a54b7dcd2cc7e2b3 (patch)
treeb9f6847d0cf392a9519800db3b99ea1e9090617e /arch/arm/include/asm/pgtable.h
parentad6b9c9d78b9beebef02ac7f566a08db7be3c320 (diff)
ARM: 6672/1: LPAE: use phys_addr_t instead of unsigned long in mapping functions
The unsigned long datatype is not sufficient for mapping physical addresses >= 4GB. This patch ensures that the phys_addr_t datatype is used to represent physical addresses when converting from a PFN. Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Will Deacon <will.deacon@arm.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'arch/arm/include/asm/pgtable.h')
-rw-r--r--arch/arm/include/asm/pgtable.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/arm/include/asm/pgtable.h b/arch/arm/include/asm/pgtable.h
index ebcb6432f45..ca567914d30 100644
--- a/arch/arm/include/asm/pgtable.h
+++ b/arch/arm/include/asm/pgtable.h
@@ -351,7 +351,7 @@ static inline pte_t *pmd_page_vaddr(pmd_t pmd)
#define pte_unmap(pte) __pte_unmap(pte)
#define pte_pfn(pte) (pte_val(pte) >> PAGE_SHIFT)
-#define pfn_pte(pfn,prot) __pte(((pfn) << PAGE_SHIFT) | pgprot_val(prot))
+#define pfn_pte(pfn,prot) __pte(__pfn_to_phys(pfn) | pgprot_val(prot))
#define pte_page(pte) pfn_to_page(pte_pfn(pte))
#define mk_pte(page,prot) pfn_pte(page_to_pfn(page), prot)