1 files changed, 0 insertions, 100 deletions
diff --git a/arch/sh/mm/pg-sh4.c b/arch/sh/mm/pg-sh4.c
deleted file mode 100644
index 25f5c6f6821..00000000000
--- a/arch/sh/mm/pg-sh4.c
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * arch/sh/mm/pg-sh4.c
- *
- * Copyright (C) 1999, 2000, 2002  Niibe Yutaka
- * Copyright (C) 2002 - 2007  Paul Mundt
- *
- * Released under the terms of the GNU GPL v2.0.
- */
-#include <linux/mm.h>
-#include <linux/mutex.h>
-#include <linux/fs.h>
-#include <asm/mmu_context.h>
-#include <asm/cacheflush.h>
-
-#define CACHE_ALIAS (current_cpu_data.dcache.alias_mask)
-
-static inline void *kmap_coherent(struct page *page, unsigned long addr)
-{
-	enum fixed_addresses idx;
-	unsigned long vaddr, flags;
-	pte_t pte;
-
-	inc_preempt_count();
-
-	idx = (addr & current_cpu_data.dcache.alias_mask) >> PAGE_SHIFT;
-	vaddr = __fix_to_virt(FIX_CMAP_END - idx);
-	pte = mk_pte(page, PAGE_KERNEL);
-
-	local_irq_save(flags);
-	flush_tlb_one(get_asid(), vaddr);
-	local_irq_restore(flags);
-
-	update_mmu_cache(NULL, vaddr, pte);
-
-	return (void *)vaddr;
-}
-
-static inline void kunmap_coherent(struct page *page)
-{
-	dec_preempt_count();
-	preempt_check_resched();
-}
-
-/*
- * clear_user_page
- * @to: P1 address
- * @address: U0 address to be mapped
- * @page: page (virt_to_page(to))
- */
-void clear_user_page(void *to, unsigned long address, struct page *page)
-{
-	__set_bit(PG_mapped, &page->flags);
-	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
-		clear_page(to);
-	else {
-		void *vto = kmap_coherent(page, address);
-		__clear_user_page(vto, to);
-		kunmap_coherent(vto);
-	}
-}
-
-/*
- * copy_user_page
- * @to: P1 address
- * @from: P1 address
- * @address: U0 address to be mapped
- * @page: page (virt_to_page(to))
- */
-void copy_user_page(void *to, void *from, unsigned long address,
-		    struct page *page)
-{
-	__set_bit(PG_mapped, &page->flags);
-	if (((address ^ (unsigned long)to) & CACHE_ALIAS) == 0)
-		copy_page(to, from);
-	else {
-		void *vfrom = kmap_coherent(page, address);
-		__copy_user_page(vfrom, from, to);
-		kunmap_coherent(vfrom);
-	}
-}
-
-/*
- * For SH-4, we have our own implementation for ptep_get_and_clear
- */
-inline pte_t ptep_get_and_clear(struct mm_struct *mm, unsigned long addr, pte_t *ptep)
-{
-	pte_t pte = *ptep;
-
-	pte_clear(mm, addr, ptep);
-	if (!pte_not_present(pte)) {
-		unsigned long pfn = pte_pfn(pte);
-		if (pfn_valid(pfn)) {
-			struct page *page = pfn_to_page(pfn);
-			struct address_space *mapping = page_mapping(page);
-			if (!mapping || !mapping_writably_mapped(mapping))
-				__clear_bit(PG_mapped, &page->flags);
-		}
-	}
-	return pte;
-}