5 files changed, 6 insertions, 20 deletions
diff --git a/arch/nds32/include/asm/io.h b/arch/nds32/include/asm/io.h
index 16f262322b8f..e57378d04006 100644
--- a/arch/nds32/include/asm/io.h
+++ b/arch/nds32/include/asm/io.h
@@ -6,7 +6,6 @@
 
 #include <linux/types.h>
 
-extern void iounmap(volatile void __iomem *addr);
 #define __raw_writeb __raw_writeb
 static inline void __raw_writeb(u8 val, volatile void __iomem *addr)
 {
@@ -79,5 +78,7 @@ static inline u32 __raw_readl(const volatile void __iomem *addr)
 #define writeb(v,c)	({ __iowmb(); writeb_relaxed((v),(c)); })
 #define writew(v,c)	({ __iowmb(); writew_relaxed((v),(c)); })
 #define writel(v,c)	({ __iowmb(); writel_relaxed((v),(c)); })
+
 #include <asm-generic/io.h>
+
 #endif /* __ASM_NDS32_IO_H */
diff --git a/arch/nds32/include/asm/page.h b/arch/nds32/include/asm/page.h
index 8feb1fa12f01..86b32014c5f9 100644
--- a/arch/nds32/include/asm/page.h
+++ b/arch/nds32/include/asm/page.h
@@ -41,17 +41,14 @@ void clear_page(void *page);
 void copy_page(void *to, void *from);
 
 typedef unsigned long pte_t;
-typedef unsigned long pmd_t;
 typedef unsigned long pgd_t;
 typedef unsigned long pgprot_t;
 
 #define pte_val(x)      (x)
-#define pmd_val(x)      (x)
 #define pgd_val(x)	(x)
 #define pgprot_val(x)   (x)
 
 #define __pte(x)        (x)
-#define __pmd(x)        (x)
 #define __pgd(x)        (x)
 #define __pgprot(x)     (x)
 
diff --git a/arch/nds32/include/asm/pgalloc.h b/arch/nds32/include/asm/pgalloc.h
index 37125e6884d7..85c117347c86 100644
--- a/arch/nds32/include/asm/pgalloc.h
+++ b/arch/nds32/include/asm/pgalloc.h
@@ -15,9 +15,6 @@
 /*
  * Since we have only two-level page tables, these are trivial
  */
-#define pmd_alloc_one(mm, addr)		({ BUG(); ((pmd_t *)2); })
-#define pmd_free(mm, pmd)			do { } while (0)
-#define pgd_populate(mm, pmd, pte)	BUG()
 #define pmd_pgtable(pmd) pmd_page(pmd)
 
 extern pgd_t *pgd_alloc(struct mm_struct *mm);
diff --git a/arch/nds32/include/asm/pgtable.h b/arch/nds32/include/asm/pgtable.h
index 0588ec99725c..0214e4150539 100644
--- a/arch/nds32/include/asm/pgtable.h
+++ b/arch/nds32/include/asm/pgtable.h
@@ -4,41 +4,33 @@
 #ifndef _ASMNDS32_PGTABLE_H
 #define _ASMNDS32_PGTABLE_H
 
-#define __PAGETABLE_PMD_FOLDED 1
-#include <asm-generic/4level-fixup.h>
+#include <asm-generic/pgtable-nopmd.h>
 #include <linux/sizes.h>
 
 #include <asm/memory.h>
 #include <asm/nds32.h>
 #ifndef __ASSEMBLY__
 #include <asm/fixmap.h>
-#include <asm/io.h>
 #include <nds32_intrinsic.h>
 #endif
 
 #ifdef CONFIG_ANDES_PAGE_SIZE_4KB
 #define PGDIR_SHIFT      22
 #define PTRS_PER_PGD     1024
-#define PMD_SHIFT        22
-#define PTRS_PER_PMD     1
 #define PTRS_PER_PTE     1024
 #endif
 
 #ifdef CONFIG_ANDES_PAGE_SIZE_8KB
 #define PGDIR_SHIFT      24
 #define PTRS_PER_PGD     256
-#define PMD_SHIFT        24
-#define PTRS_PER_PMD     1
 #define PTRS_PER_PTE     2048
 #endif
 
 #ifndef __ASSEMBLY__
 extern void __pte_error(const char *file, int line, unsigned long val);
-extern void __pmd_error(const char *file, int line, unsigned long val);
 extern void __pgd_error(const char *file, int line, unsigned long val);
 
 #define pte_ERROR(pte)		__pte_error(__FILE__, __LINE__, pte_val(pte))
-#define pmd_ERROR(pmd)		__pmd_error(__FILE__, __LINE__, pmd_val(pmd))
 #define pgd_ERROR(pgd)		__pgd_error(__FILE__, __LINE__, pgd_val(pgd))
 #endif /* !__ASSEMBLY__ */
 
@@ -130,6 +122,9 @@ extern void __pgd_error(const char *file, int line, unsigned long val);
 #define _PAGE_CACHE		_PAGE_C_MEM_WB
 #endif
 
+#define _PAGE_IOREMAP \
+	(_PAGE_V | _PAGE_M_KRW | _PAGE_D | _PAGE_G | _PAGE_C_DEV)
+
 /*
  * + Level 1 descriptor (PMD)
  */
@@ -366,9 +361,6 @@ static inline pmd_t __mk_pmd(pte_t * ptep, unsigned long prot)
 /* to find an entry in a kernel page-table-directory */
 #define pgd_offset_k(addr)      pgd_offset(&init_mm, addr)
 
-/* Find an entry in the second-level page table.. */
-#define pmd_offset(dir, addr)	((pmd_t *)(dir))
-
 static inline pte_t pte_modify(pte_t pte, pgprot_t newprot)
 {
 	const unsigned long mask = 0xfff;
diff --git a/arch/nds32/include/asm/tlb.h b/arch/nds32/include/asm/tlb.h
index a8aff1c8b4f4..672603804a3b 100644
--- a/arch/nds32/include/asm/tlb.h
+++ b/arch/nds32/include/asm/tlb.h
@@ -7,6 +7,5 @@
 #include <asm-generic/tlb.h>
 
 #define __pte_free_tlb(tlb, pte, addr)	pte_free((tlb)->mm, pte)
-#define __pmd_free_tlb(tlb, pmd, addr)	pmd_free((tln)->mm, pmd)
 
 #endif