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authorGreg Ungerer <gerg@uclinux.org>2011-03-28 22:32:05 +1000
committerGreg Ungerer <gerg@uclinux.org>2011-05-24 10:03:50 +1000
commit593732bd41a6f16eeed9880ae7d51920fc5350ff (patch)
tree9ee9bf84b02f103594eefcb819096856bf64cc6f /arch/m68k
parent92474a2513e828c27e371728845f24cef98748b2 (diff)
downloadop-kernel-dev-593732bd41a6f16eeed9880ae7d51920fc5350ff.zip
op-kernel-dev-593732bd41a6f16eeed9880ae7d51920fc5350ff.tar.gz
m68knommu: remove stubs for __ioremap() and iounmap()
The implementation of iounmap() and __ioremap() for non-mmu m68k is trivial. We can inline them in m68knommu headers and remove the trivial implementations. Signed-off-by: Greg Ungerer <gerg@uclinux.org>
Diffstat (limited to 'arch/m68k')
-rw-r--r--arch/m68k/include/asm/io_no.h8
-rw-r--r--arch/m68k/kernel/m68k_ksyms_no.c2
-rw-r--r--arch/m68k/mm/Makefile_no2
-rw-r--r--arch/m68k/mm/kmap_no.c37
4 files changed, 6 insertions, 43 deletions
diff --git a/arch/m68k/include/asm/io_no.h b/arch/m68k/include/asm/io_no.h
index cf20f30..353bf75 100644
--- a/arch/m68k/include/asm/io_no.h
+++ b/arch/m68k/include/asm/io_no.h
@@ -144,8 +144,10 @@ static inline void io_insl(unsigned int addr, void *buf, int len)
#define IOMAP_NOCACHE_NONSER 2
#define IOMAP_WRITETHROUGH 3
-extern void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag);
-
+static inline void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
+{
+ return (void *) physaddr;
+}
static inline void *ioremap(unsigned long physaddr, unsigned long size)
{
return __ioremap(physaddr, size, IOMAP_NOCACHE_SER);
@@ -163,7 +165,7 @@ static inline void *ioremap_fullcache(unsigned long physaddr, unsigned long size
return __ioremap(physaddr, size, IOMAP_FULL_CACHING);
}
-extern void iounmap(void *addr);
+#define iounmap(addr) do { } while(0)
/*
* Convert a physical pointer to a virtual kernel pointer for /dev/mem
diff --git a/arch/m68k/kernel/m68k_ksyms_no.c b/arch/m68k/kernel/m68k_ksyms_no.c
index 10af0af..c26717b 100644
--- a/arch/m68k/kernel/m68k_ksyms_no.c
+++ b/arch/m68k/kernel/m68k_ksyms_no.c
@@ -20,8 +20,6 @@ extern int dump_fpu(struct pt_regs *, elf_fpregset_t *);
/* platform dependent support */
-EXPORT_SYMBOL(__ioremap);
-EXPORT_SYMBOL(iounmap);
EXPORT_SYMBOL(dump_fpu);
EXPORT_SYMBOL(ip_fast_csum);
diff --git a/arch/m68k/mm/Makefile_no b/arch/m68k/mm/Makefile_no
index b54ab6b..80579c6 100644
--- a/arch/m68k/mm/Makefile_no
+++ b/arch/m68k/mm/Makefile_no
@@ -2,4 +2,4 @@
# Makefile for the linux m68knommu specific parts of the memory manager.
#
-obj-y += init.o kmap.o
+obj-y += init.o
diff --git a/arch/m68k/mm/kmap_no.c b/arch/m68k/mm/kmap_no.c
deleted file mode 100644
index 38b2abe..0000000
--- a/arch/m68k/mm/kmap_no.c
+++ /dev/null
@@ -1,37 +0,0 @@
-/*
- * linux/arch/m68knommu/mm/kmap.c
- *
- * Copyright (C) 2000 Lineo, <davidm@snapgear.com>
- * Copyright (C) 2000-2002 David McCullough <davidm@snapgear.com>
- */
-
-#include <linux/mm.h>
-#include <linux/kernel.h>
-#include <linux/string.h>
-#include <linux/types.h>
-#include <linux/vmalloc.h>
-
-#include <asm/setup.h>
-#include <asm/segment.h>
-#include <asm/page.h>
-#include <asm/pgalloc.h>
-#include <asm/io.h>
-#include <asm/system.h>
-
-#undef DEBUG
-
-/*
- * Map some physical address range into the kernel address space.
- */
-void *__ioremap(unsigned long physaddr, unsigned long size, int cacheflag)
-{
- return (void *)physaddr;
-}
-
-/*
- * Unmap a ioremap()ed region again.
- */
-void iounmap(void *addr)
-{
-}
-
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