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>

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)