[ARM] mm 6: allow mem_types table to specify extended pte attributes

Add prot_pte_ext to the mem_types table to allow the extended pte
attributes to be passed to set_pte_ext(), thereby permitting us to
specify memory type information for the hardware PTE entries.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index b26b361..216623e 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -55,7 +55,8 @@
 		if (!pte_none(*pte))
 			goto bad;
 
-		set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot), 0);
+		set_pte_ext(pte, pfn_pte(phys_addr >> PAGE_SHIFT, prot),
+			    type->prot_pte_ext);
 		phys_addr += PAGE_SIZE;
 	} while (pte++, addr += PAGE_SIZE, addr != end);
 	return 0;