ARM: 7076/1: LPAE: Add (pte|pmd)val_t type definitions as u32

This patch defines the (pte|pmd)val_t as u32 and changes the page table
types to be based on these. The PMD bits are converted to the
corresponding type using the _AT macro.

The flush_pmd_entry/clean_pmd_entry argument was changed to (void *) to
allow them to be used with both PGD and PMD pointers and avoid code
duplication.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 10 insertions, 7 deletions

diff --git a/arch/arm/include/asm/pgtable-2level-types.h b/arch/arm/include/asm/pgtable-2level-types.h
index 8a01f62d8a1..66cb5b0e89c 100644
--- a/arch/arm/include/asm/pgtable-2level-types.h
+++ b/arch/arm/include/asm/pgtable-2level-types.h
@@ -19,7 +19,10 @@
 #ifndef _ASM_PGTABLE_2LEVEL_TYPES_H
 #define _ASM_PGTABLE_2LEVEL_TYPES_H
 
-typedef unsigned long pteval_t;
+#include <asm/types.h>
+
+typedef u32 pteval_t;
+typedef u32 pmdval_t;
 
 #undef STRICT_MM_TYPECHECKS
 
@@ -28,9 +31,9 @@ typedef unsigned long pteval_t;
  * These are used to make use of C type-checking..
  */
 typedef struct { pteval_t pte; } pte_t;
-typedef struct { unsigned long pmd; } pmd_t;
-typedef struct { unsigned long pgd[2]; } pgd_t;
-typedef struct { unsigned long pgprot; } pgprot_t;
+typedef struct { pmdval_t pmd; } pmd_t;
+typedef struct { pmdval_t pgd[2]; } pgd_t;
+typedef struct { pteval_t pgprot; } pgprot_t;
 
 #define pte_val(x)      ((x).pte)
 #define pmd_val(x)      ((x).pmd)
@@ -46,9 +49,9 @@ typedef struct { unsigned long pgprot; } pgprot_t;
  * .. while these make it easier on the compiler
  */
 typedef pteval_t pte_t;
-typedef unsigned long pmd_t;
-typedef unsigned long pgd_t[2];
-typedef unsigned long pgprot_t;
+typedef pmdval_t pmd_t;
+typedef pmdval_t pgd_t[2];
+typedef pteval_t pgprot_t;
 
 #define pte_val(x)      (x)
 #define pmd_val(x)      (x)