From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/m68k/include/asm/virtconvert.h | 47 +++++++++++++++++++++++++++++++++++++
 1 file changed, 47 insertions(+)
 create mode 100644 arch/m68k/include/asm/virtconvert.h

(limited to 'arch/m68k/include/asm/virtconvert.h')

diff --git a/arch/m68k/include/asm/virtconvert.h b/arch/m68k/include/asm/virtconvert.h
new file mode 100644
index 00000000..f35229b8
--- /dev/null
+++ b/arch/m68k/include/asm/virtconvert.h
@@ -0,0 +1,47 @@
+#ifndef __VIRT_CONVERT__
+#define __VIRT_CONVERT__
+
+/*
+ * Macros used for converting between virtual and physical mappings.
+ */
+
+#ifdef __KERNEL__
+
+#include <linux/compiler.h>
+#include <linux/mmzone.h>
+#include <asm/setup.h>
+#include <asm/page.h>
+
+/*
+ * Change virtual addresses to physical addresses and vv.
+ */
+static inline unsigned long virt_to_phys(void *address)
+{
+	return __pa(address);
+}
+
+static inline void *phys_to_virt(unsigned long address)
+{
+	return __va(address);
+}
+
+/* Permanent address of a page. */
+#ifdef CONFIG_MMU
+#ifdef CONFIG_SINGLE_MEMORY_CHUNK
+#define page_to_phys(page) \
+	__pa(PAGE_OFFSET + (((page) - pg_data_map[0].node_mem_map) << PAGE_SHIFT))
+#else
+#define page_to_phys(page)	(page_to_pfn(page) << PAGE_SHIFT)
+#endif
+#else
+#define page_to_phys(page)	(((page) - mem_map) << PAGE_SHIFT)
+#endif
+
+/*
+ * IO bus memory addresses are 1:1 with the physical address,
+ */
+#define virt_to_bus virt_to_phys
+#define bus_to_virt phys_to_virt
+
+#endif
+#endif
-- 
cgit