1 files changed, 0 insertions, 129 deletions
diff --git a/arch/mn10300/mm/cache-inv-icache.c b/arch/mn10300/mm/cache-inv-icache.c
deleted file mode 100644
index a6b63dde603d..000000000000
--- a/arch/mn10300/mm/cache-inv-icache.c
+++ /dev/null
@@ -1,129 +0,0 @@
-/* Invalidate icache when dcache doesn't need invalidation as it's in
- * write-through mode
- *
- * Copyright (C) 2010 Red Hat, Inc. All Rights Reserved.
- * Written by David Howells (dhowells@redhat.com)
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public Licence
- * as published by the Free Software Foundation; either version
- * 2 of the Licence, or (at your option) any later version.
- */
-#include <linux/module.h>
-#include <linux/mm.h>
-#include <asm/cacheflush.h>
-#include <asm/smp.h>
-#include "cache-smp.h"
-
-/**
- * flush_icache_page_range - Flush dcache and invalidate icache for part of a
- *				single page
- * @start: The starting virtual address of the page part.
- * @end: The ending virtual address of the page part.
- *
- * Invalidate the icache for part of a single page, as determined by the
- * virtual addresses given.  The page must be in the paged area.  The dcache is
- * not flushed as the cache must be in write-through mode to get here.
- */
-static void flush_icache_page_range(unsigned long start, unsigned long end)
-{
-	unsigned long addr, size, off;
-	struct page *page;
-	pgd_t *pgd;
-	pud_t *pud;
-	pmd_t *pmd;
-	pte_t *ppte, pte;
-
-	/* work out how much of the page to flush */
-	off = start & ~PAGE_MASK;
-	size = end - start;
-
-	/* get the physical address the page is mapped to from the page
-	 * tables */
-	pgd = pgd_offset(current->mm, start);
-	if (!pgd || !pgd_val(*pgd))
-		return;
-
-	pud = pud_offset(pgd, start);
-	if (!pud || !pud_val(*pud))
-		return;
-
-	pmd = pmd_offset(pud, start);
-	if (!pmd || !pmd_val(*pmd))
-		return;
-
-	ppte = pte_offset_map(pmd, start);
-	if (!ppte)
-		return;
-	pte = *ppte;
-	pte_unmap(ppte);
-
-	if (pte_none(pte))
-		return;
-
-	page = pte_page(pte);
-	if (!page)
-		return;
-
-	addr = page_to_phys(page);
-
-	/* invalidate the icache coverage on that region */
-	mn10300_local_icache_inv_range2(addr + off, size);
-	smp_cache_call(SMP_ICACHE_INV_RANGE, start, end);
-}
-
-/**
- * flush_icache_range - Globally flush dcache and invalidate icache for region
- * @start: The starting virtual address of the region.
- * @end: The ending virtual address of the region.
- *
- * This is used by the kernel to globally flush some code it has just written
- * from the dcache back to RAM and then to globally invalidate the icache over
- * that region so that that code can be run on all CPUs in the system.
- */
-void flush_icache_range(unsigned long start, unsigned long end)
-{
-	unsigned long start_page, end_page;
-	unsigned long flags;
-
-	flags = smp_lock_cache();
-
-	if (end > 0x80000000UL) {
-		/* addresses above 0xa0000000 do not go through the cache */
-		if (end > 0xa0000000UL) {
-			end = 0xa0000000UL;
-			if (start >= end)
-				goto done;
-		}
-
-		/* kernel addresses between 0x80000000 and 0x9fffffff do not
-		 * require page tables, so we just map such addresses
-		 * directly */
-		start_page = (start >= 0x80000000UL) ? start : 0x80000000UL;
-		mn10300_icache_inv_range(start_page, end);
-		smp_cache_call(SMP_ICACHE_INV_RANGE, start, end);
-		if (start_page == start)
-			goto done;
-		end = start_page;
-	}
-
-	start_page = start & PAGE_MASK;
-	end_page = (end - 1) & PAGE_MASK;
-
-	if (start_page == end_page) {
-		/* the first and last bytes are on the same page */
-		flush_icache_page_range(start, end);
-	} else if (start_page + 1 == end_page) {
-		/* split over two virtually contiguous pages */
-		flush_icache_page_range(start, end_page);
-		flush_icache_page_range(end_page, end);
-	} else {
-		/* more than 2 pages; just flush the entire cache */
-		mn10300_local_icache_inv();
-		smp_cache_call(SMP_ICACHE_INV, 0, 0);
-	}
-
-done:
-	smp_unlock_cache(flags);
-}
-EXPORT_SYMBOL(flush_icache_range);