diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 242f3a3..9318084 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -179,6 +179,9 @@
 config NEED_DMA_MAP_STATE
        def_bool y
 
+config ARCH_HAS_DMA_SET_COHERENT_MASK
+	bool
+
 config GENERIC_ISA_DMA
 	bool
 
@@ -216,6 +219,13 @@
 	  this feature (eg, building a kernel for a single machine) and
 	  you need to shrink the kernel to the minimal size.
 
+config NEED_MACH_IO_H
+	bool
+	help
+	  Select this when mach/io.h is required to provide special
+	  definitions for this platform.  The need for mach/io.h should
+	  be avoided when possible.
+
 config NEED_MACH_MEMORY_H
 	bool
 	help
@@ -267,6 +277,7 @@
 	select GENERIC_CLOCKEVENTS
 	select PLAT_VERSATILE
 	select PLAT_VERSATILE_FPGA_IRQ
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	select SPARSE_IRQ
 	help
@@ -406,6 +417,7 @@
 	select ISA
 	select NO_IOPORT
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	help
 	  This is an evaluation board for the StrongARM processor available
@@ -432,6 +444,7 @@
 	select FOOTBRIDGE
 	select GENERIC_CLOCKEVENTS
 	select HAVE_IDE
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	help
 	  Support for systems based on the DC21285 companion chip
@@ -483,6 +496,7 @@
 	select PCI
 	select ARCH_SUPPORTS_MSI
 	select VMSPLIT_1G
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	select NEED_RET_TO_USER
 	help
@@ -492,6 +506,7 @@
 	bool "IOP32x-based"
 	depends on MMU
 	select CPU_XSCALE
+	select NEED_MACH_IO_H
 	select NEED_RET_TO_USER
 	select PLAT_IOP
 	select PCI
@@ -504,6 +519,7 @@
 	bool "IOP33x-based"
 	depends on MMU
 	select CPU_XSCALE
+	select NEED_MACH_IO_H
 	select NEED_RET_TO_USER
 	select PLAT_IOP
 	select PCI
@@ -517,6 +533,7 @@
 	select CPU_XSC3
  	select PCI
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	help
 	  Support for Intel's IXP23xx (XScale) family of processors.
@@ -527,6 +544,7 @@
 	select CPU_XSCALE
 	select PCI
 	select ARCH_USES_GETTIMEOFFSET
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	help
 	  Support for Intel's IXP2400/2800 (XScale) family of processors.
@@ -534,11 +552,13 @@
 config ARCH_IXP4XX
 	bool "IXP4xx-based"
 	depends on MMU
+	select ARCH_HAS_DMA_SET_COHERENT_MASK
 	select CLKSRC_MMIO
 	select CPU_XSCALE
 	select GENERIC_GPIO
 	select GENERIC_CLOCKEVENTS
 	select MIGHT_HAVE_PCI
+	select NEED_MACH_IO_H
 	select DMABOUNCE if PCI
 	help
 	  Support for Intel's IXP4XX (XScale) family of processors.
@@ -549,6 +569,7 @@
 	select PCI
 	select ARCH_REQUIRE_GPIOLIB
 	select GENERIC_CLOCKEVENTS
+	select NEED_MACH_IO_H
 	select PLAT_ORION
 	help
 	  Support for the Marvell Dove SoC 88AP510
@@ -559,6 +580,7 @@
 	select PCI
 	select ARCH_REQUIRE_GPIOLIB
 	select GENERIC_CLOCKEVENTS
+	select NEED_MACH_IO_H
 	select PLAT_ORION
 	help
 	  Support for the following Marvell Kirkwood series SoCs:
@@ -583,6 +605,7 @@
 	select PCI
 	select ARCH_REQUIRE_GPIOLIB
 	select GENERIC_CLOCKEVENTS
+	select NEED_MACH_IO_H
 	select PLAT_ORION
 	help
 	  Support for the following Marvell MV78xx0 series SoCs:
@@ -650,6 +673,7 @@
 	select HAVE_CLK
 	select HAVE_SMP
 	select MIGHT_HAVE_CACHE_L2X0
+	select NEED_MACH_IO_H if PCI
 	select ARCH_HAS_CPUFREQ
 	help
 	  This enables support for NVIDIA Tegra based systems (Tegra APX,
@@ -741,6 +765,7 @@
 	select ARCH_SPARSEMEM_ENABLE
 	select ARCH_USES_GETTIMEOFFSET
 	select HAVE_IDE
+	select NEED_MACH_IO_H
 	select NEED_MACH_MEMORY_H
 	help
 	  On the Acorn Risc-PC, Linux can support the internal IDE disk and
@@ -775,6 +800,7 @@
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C_RTC if RTC_CLASS
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
+	select NEED_MACH_IO_H
 	help
 	  Samsung S3C2410, S3C2412, S3C2413, S3C2416, S3C2440, S3C2442, S3C2443
 	  and S3C2450 SoCs based systems, such as the Simtec Electronics BAST
@@ -876,6 +902,7 @@
 	select PCI
 	select ARCH_USES_GETTIMEOFFSET
 	select NEED_MACH_MEMORY_H
+	select NEED_MACH_IO_H
 	help
 	  Support for the StrongARM based Digital DNARD machine, also known
 	  as "Shark" (<http://www.shark-linux.de/shark.html>).
diff --git a/arch/arm/include/asm/assembler.h b/arch/arm/include/asm/assembler.h
index 23371b1..03fb936 100644
--- a/arch/arm/include/asm/assembler.h
+++ b/arch/arm/include/asm/assembler.h
@@ -23,6 +23,8 @@
 #include <asm/ptrace.h>
 #include <asm/domain.h>
 
+#define IOMEM(x)	(x)
+
 /*
  * Endian independent macros for shifting bytes within registers.
  */
diff --git a/arch/arm/include/asm/io.h b/arch/arm/include/asm/io.h
index bae7eb6..df0ac0b 100644
--- a/arch/arm/include/asm/io.h
+++ b/arch/arm/include/asm/io.h
@@ -82,6 +82,11 @@
 extern void __iomem *__arm_ioremap(unsigned long, size_t, unsigned int);
 extern void __iomem *__arm_ioremap_exec(unsigned long, size_t, bool cached);
 extern void __iounmap(volatile void __iomem *addr);
+extern void __arm_iounmap(volatile void __iomem *addr);
+
+extern void __iomem * (*arch_ioremap_caller)(unsigned long, size_t,
+	unsigned int, void *);
+extern void (*arch_iounmap)(volatile void __iomem *);
 
 /*
  * Bad read/write accesses...
@@ -96,6 +101,8 @@
 	return (void __iomem *)addr;
 }
 
+#define IOMEM(x)	((void __force __iomem *)(x))
+
 /* IO barriers */
 #ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE
 #include <asm/barrier.h>
@@ -109,7 +116,11 @@
 /*
  * Now, pick up the machine-defined IO definitions
  */
+#ifdef CONFIG_NEED_MACH_IO_H
 #include <mach/io.h>
+#else
+#define __io(a)		({ (void)(a); __typesafe_io(0); })
+#endif
 
 /*
  * This is the limit of PC card/PCI/ISA IO space, which is by default
@@ -211,18 +222,18 @@
  * Again, this are defined to perform little endian accesses.  See the
  * IO port primitives for more information.
  */
-#ifdef __mem_pci
-#define readb_relaxed(c) ({ u8  __r = __raw_readb(__mem_pci(c)); __r; })
+#ifndef readl
+#define readb_relaxed(c) ({ u8  __r = __raw_readb(c); __r; })
 #define readw_relaxed(c) ({ u16 __r = le16_to_cpu((__force __le16) \
-					__raw_readw(__mem_pci(c))); __r; })
+					__raw_readw(c)); __r; })
 #define readl_relaxed(c) ({ u32 __r = le32_to_cpu((__force __le32) \
-					__raw_readl(__mem_pci(c))); __r; })
+					__raw_readl(c)); __r; })
 
-#define writeb_relaxed(v,c)	((void)__raw_writeb(v,__mem_pci(c)))
+#define writeb_relaxed(v,c)	((void)__raw_writeb(v,c))
 #define writew_relaxed(v,c)	((void)__raw_writew((__force u16) \
-					cpu_to_le16(v),__mem_pci(c)))
+					cpu_to_le16(v),c))
 #define writel_relaxed(v,c)	((void)__raw_writel((__force u32) \
-					cpu_to_le32(v),__mem_pci(c)))
+					cpu_to_le32(v),c))
 
 #define readb(c)		({ u8  __v = readb_relaxed(c); __iormb(); __v; })
 #define readw(c)		({ u16 __v = readw_relaxed(c); __iormb(); __v; })
@@ -232,30 +243,19 @@
 #define writew(v,c)		({ __iowmb(); writew_relaxed(v,c); })
 #define writel(v,c)		({ __iowmb(); writel_relaxed(v,c); })
 
-#define readsb(p,d,l)		__raw_readsb(__mem_pci(p),d,l)
-#define readsw(p,d,l)		__raw_readsw(__mem_pci(p),d,l)
-#define readsl(p,d,l)		__raw_readsl(__mem_pci(p),d,l)
+#define readsb(p,d,l)		__raw_readsb(p,d,l)
+#define readsw(p,d,l)		__raw_readsw(p,d,l)
+#define readsl(p,d,l)		__raw_readsl(p,d,l)
 
-#define writesb(p,d,l)		__raw_writesb(__mem_pci(p),d,l)
-#define writesw(p,d,l)		__raw_writesw(__mem_pci(p),d,l)
-#define writesl(p,d,l)		__raw_writesl(__mem_pci(p),d,l)
+#define writesb(p,d,l)		__raw_writesb(p,d,l)
+#define writesw(p,d,l)		__raw_writesw(p,d,l)
+#define writesl(p,d,l)		__raw_writesl(p,d,l)
 
-#define memset_io(c,v,l)	_memset_io(__mem_pci(c),(v),(l))
-#define memcpy_fromio(a,c,l)	_memcpy_fromio((a),__mem_pci(c),(l))
-#define memcpy_toio(c,a,l)	_memcpy_toio(__mem_pci(c),(a),(l))
+#define memset_io(c,v,l)	_memset_io(c,(v),(l))
+#define memcpy_fromio(a,c,l)	_memcpy_fromio((a),c,(l))
+#define memcpy_toio(c,a,l)	_memcpy_toio(c,(a),(l))
 
-#elif !defined(readb)
-
-#define readb(c)			(__readwrite_bug("readb"),0)
-#define readw(c)			(__readwrite_bug("readw"),0)
-#define readl(c)			(__readwrite_bug("readl"),0)
-#define writeb(v,c)			__readwrite_bug("writeb")
-#define writew(v,c)			__readwrite_bug("writew")
-#define writel(v,c)			__readwrite_bug("writel")
-
-#define check_signature(io,sig,len)	(0)
-
-#endif	/* __mem_pci */
+#endif	/* readl */
 
 /*
  * ioremap and friends.
@@ -264,16 +264,11 @@
  * Documentation/io-mapping.txt.
  *
  */
-#ifndef __arch_ioremap
-#define __arch_ioremap			__arm_ioremap
-#define __arch_iounmap			__iounmap
-#endif
-
-#define ioremap(cookie,size)		__arch_ioremap((cookie), (size), MT_DEVICE)
-#define ioremap_nocache(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE)
-#define ioremap_cached(cookie,size)	__arch_ioremap((cookie), (size), MT_DEVICE_CACHED)
-#define ioremap_wc(cookie,size)		__arch_ioremap((cookie), (size), MT_DEVICE_WC)
-#define iounmap				__arch_iounmap
+#define ioremap(cookie,size)		__arm_ioremap((cookie), (size), MT_DEVICE)
+#define ioremap_nocache(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE)
+#define ioremap_cached(cookie,size)	__arm_ioremap((cookie), (size), MT_DEVICE_CACHED)
+#define ioremap_wc(cookie,size)		__arm_ioremap((cookie), (size), MT_DEVICE_WC)
+#define iounmap				__arm_iounmap
 
 /*
  * io{read,write}{8,16,32} macros
diff --git a/arch/arm/kernel/debug.S b/arch/arm/kernel/debug.S
index e5a765c..c45522c 100644
--- a/arch/arm/kernel/debug.S
+++ b/arch/arm/kernel/debug.S
@@ -10,6 +10,7 @@
  *  32-bit debugging code
  */
 #include <linux/linkage.h>
+#include <asm/assembler.h>
 
 		.text
 
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 8ec5eed..7fd3ad0 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -15,6 +15,7 @@
  *  that causes it to save wrong values...  Be aware!
  */
 
+#include <asm/assembler.h>
 #include <asm/memory.h>
 #include <asm/glue-df.h>
 #include <asm/glue-pf.h>
diff --git a/arch/arm/mach-at91/include/mach/io.h b/arch/arm/mach-at91/include/mach/io.h
deleted file mode 100644
index 4003001..0000000
--- a/arch/arm/mach-at91/include/mach/io.h
+++ /dev/null
@@ -1,31 +0,0 @@
-/*
- * arch/arm/mach-at91/include/mach/io.h
- *
- *  Copyright (C) 2003 SAN People
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#include <mach/hardware.h>
-
-#define IO_SPACE_LIMIT		0xFFFFFFFF
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-at91/include/mach/uncompress.h b/arch/arm/mach-at91/include/mach/uncompress.h
index 0234fd9..4218647 100644
--- a/arch/arm/mach-at91/include/mach/uncompress.h
+++ b/arch/arm/mach-at91/include/mach/uncompress.h
@@ -23,6 +23,7 @@
 
 #include <linux/io.h>
 #include <linux/atmel_serial.h>
+#include <mach/hardware.h>
 
 #if defined(CONFIG_AT91_EARLY_DBGU0)
 #define UART_OFFSET AT91_BASE_DBGU0
diff --git a/arch/arm/mach-bcmring/include/mach/io.h b/arch/arm/mach-bcmring/include/mach/io.h
deleted file mode 100644
index dae5e9b..0000000
--- a/arch/arm/mach-bcmring/include/mach/io.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- *
- *  Copyright (C) 1999 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#include <mach/hardware.h>
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-clps711x/include/mach/io.h b/arch/arm/mach-clps711x/include/mach/io.h
deleted file mode 100644
index 2e0b3ce..0000000
--- a/arch/arm/mach-clps711x/include/mach/io.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/*
- *  arch/arm/mach-clps711x/include/mach/io.h
- *
- *  Copyright (C) 1999 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-/*
- * We don't support ins[lb]/outs[lb].  Make them fault.
- */
-#define __raw_readsb(p,d,l)	do { *(int *)0 = 0; } while (0)
-#define __raw_readsl(p,d,l)	do { *(int *)0 = 0; } while (0)
-#define __raw_writesb(p,d,l)	do { *(int *)0 = 0; } while (0)
-#define __raw_writesl(p,d,l)	do { *(int *)0 = 0; } while (0)
-
-#endif
diff --git a/arch/arm/mach-clps711x/include/mach/uncompress.h b/arch/arm/mach-clps711x/include/mach/uncompress.h
index 7164310..35ed731 100644
--- a/arch/arm/mach-clps711x/include/mach/uncompress.h
+++ b/arch/arm/mach-clps711x/include/mach/uncompress.h
@@ -17,7 +17,6 @@
  * along with this program; if not, write to the Free Software
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
-#include <mach/io.h>
 #include <mach/hardware.h>
 #include <asm/hardware/clps7111.h>
 
diff --git a/arch/arm/mach-cns3xxx/core.c b/arch/arm/mach-cns3xxx/core.c
index 941a308..031805b 100644
--- a/arch/arm/mach-cns3xxx/core.c
+++ b/arch/arm/mach-cns3xxx/core.c
@@ -72,13 +72,13 @@
 /* used by entry-macro.S */
 void __init cns3xxx_init_irq(void)
 {
-	gic_init(0, 29, __io(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
-		 __io(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT));
+	gic_init(0, 29, IOMEM(CNS3XXX_TC11MP_GIC_DIST_BASE_VIRT),
+		 IOMEM(CNS3XXX_TC11MP_GIC_CPU_BASE_VIRT));
 }
 
 void cns3xxx_power_off(void)
 {
-	u32 __iomem *pm_base = __io(CNS3XXX_PM_BASE_VIRT);
+	u32 __iomem *pm_base = IOMEM(CNS3XXX_PM_BASE_VIRT);
 	u32 clkctrl;
 
 	printk(KERN_INFO "powering system down...\n");
@@ -237,7 +237,7 @@
 
 static void __init cns3xxx_timer_init(void)
 {
-	cns3xxx_tmr1 = __io(CNS3XXX_TIMER1_2_3_BASE_VIRT);
+	cns3xxx_tmr1 = IOMEM(CNS3XXX_TIMER1_2_3_BASE_VIRT);
 
 	__cns3xxx_timer_init(IRQ_CNS3XXX_TIMER0);
 }
diff --git a/arch/arm/mach-cns3xxx/devices.c b/arch/arm/mach-cns3xxx/devices.c
index 79d1fb0..1e40c99 100644
--- a/arch/arm/mach-cns3xxx/devices.c
+++ b/arch/arm/mach-cns3xxx/devices.c
@@ -98,7 +98,7 @@
 
 void __init cns3xxx_sdhci_init(void)
 {
-	u32 __iomem *gpioa = __io(CNS3XXX_MISC_BASE_VIRT + 0x0014);
+	u32 __iomem *gpioa = IOMEM(CNS3XXX_MISC_BASE_VIRT + 0x0014);
 	u32 gpioa_pins = __raw_readl(gpioa);
 
 	/* MMC/SD pins share with GPIOA */
diff --git a/arch/arm/mach-cns3xxx/include/mach/io.h b/arch/arm/mach-cns3xxx/include/mach/io.h
deleted file mode 100644
index 33b6fc1..0000000
--- a/arch/arm/mach-cns3xxx/include/mach/io.h
+++ /dev/null
@@ -1,17 +0,0 @@
-/*
- * Copyright 2008 Cavium Networks
- * Copyright 2003 ARM Limited
- *
- * This file is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License, Version 2, as
- * published by the Free Software Foundation.
- */
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-
-#endif
diff --git a/arch/arm/mach-davinci/include/mach/entry-macro.S b/arch/arm/mach-davinci/include/mach/entry-macro.S
index c1661d2..768b3c0 100644
--- a/arch/arm/mach-davinci/include/mach/entry-macro.S
+++ b/arch/arm/mach-davinci/include/mach/entry-macro.S
@@ -8,7 +8,6 @@
  * is licensed "as is" without any warranty of any kind, whether express
  * or implied.
  */
-#include <mach/io.h>
 #include <mach/irqs.h>
 
 		.macro  get_irqnr_preamble, base, tmp
diff --git a/arch/arm/mach-davinci/include/mach/hardware.h b/arch/arm/mach-davinci/include/mach/hardware.h
index 0209b1f..2184691 100644
--- a/arch/arm/mach-davinci/include/mach/hardware.h
+++ b/arch/arm/mach-davinci/include/mach/hardware.h
@@ -30,10 +30,4 @@
 #define __IO_ADDRESS(x)			((x) + IO_OFFSET)
 #define IO_ADDRESS(pa)			IOMEM(__IO_ADDRESS(pa))
 
-#ifdef __ASSEMBLER__
-#define IOMEM(x)                	x
-#else
-#define IOMEM(x)                	((void __force __iomem *)(x))
-#endif
-
 #endif /* __ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-davinci/include/mach/io.h b/arch/arm/mach-davinci/include/mach/io.h
deleted file mode 100644
index b2267d1..0000000
--- a/arch/arm/mach-davinci/include/mach/io.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * DaVinci IO address definitions
- *
- * Copied from include/asm/arm/arch-omap/io.h
- *
- * 2007 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-#define __mem_isa(a)		(a)
-
-#endif /* __ASM_ARCH_IO_H */
diff --git a/arch/arm/mach-davinci/include/mach/uncompress.h b/arch/arm/mach-davinci/include/mach/uncompress.h
index 9dc7cf9..da2fb2c 100644
--- a/arch/arm/mach-davinci/include/mach/uncompress.h
+++ b/arch/arm/mach-davinci/include/mach/uncompress.h
@@ -25,6 +25,8 @@
 
 #include <mach/serial.h>
 
+#define IOMEM(x)	((void __force __iomem *)(x))
+
 u32 *uart;
 
 /* PORT_16C550A, in polled non-fifo mode */
diff --git a/arch/arm/mach-dove/addr-map.c b/arch/arm/mach-dove/addr-map.c
index 98b8c83..2a06c01 100644
--- a/arch/arm/mach-dove/addr-map.c
+++ b/arch/arm/mach-dove/addr-map.c
@@ -14,6 +14,7 @@
 #include <linux/io.h>
 #include <asm/mach/arch.h>
 #include <asm/setup.h>
+#include <mach/dove.h>
 #include <plat/addr-map.h>
 #include "common.h"
 
diff --git a/arch/arm/mach-dove/include/mach/io.h b/arch/arm/mach-dove/include/mach/io.h
index eb4936f..29c8b85 100644
--- a/arch/arm/mach-dove/include/mach/io.h
+++ b/arch/arm/mach-dove/include/mach/io.h
@@ -15,6 +15,5 @@
 
 #define __io(a)  	((void __iomem *)(((a) - DOVE_PCIE0_IO_BUS_BASE) + \
 						 DOVE_PCIE0_IO_VIRT_BASE))
-#define __mem_pci(a)	(a)
 
 #endif
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index 8c9f56a..6f80686 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -116,6 +116,20 @@
 	iotable_init(ebsa110_io_desc, ARRAY_SIZE(ebsa110_io_desc));
 }
 
+static void __iomem *ebsa110_ioremap_caller(unsigned long cookie, size_t size,
+					    unsigned int flags, void *caller)
+{
+	return (void __iomem *)cookie;
+}
+
+static void ebsa110_iounmap(volatile void __iomem *io_addr)
+{}
+
+static void __init ebsa110_init_early(void)
+{
+	arch_ioremap_caller = ebsa110_ioremap_caller;
+	arch_iounmap = ebsa110_iounmap;
+}
 
 #define PIT_CTRL		(PIT_BASE + 0x0d)
 #define PIT_T2			(PIT_BASE + 0x09)
@@ -312,6 +326,7 @@
 	.reserve_lp2	= 1,
 	.restart_mode	= 's',
 	.map_io		= ebsa110_map_io,
+	.init_early	= ebsa110_init_early,
 	.init_irq	= ebsa110_init_irq,
 	.timer		= &ebsa110_timer,
 	.restart	= ebsa110_restart,
diff --git a/arch/arm/mach-ebsa110/include/mach/io.h b/arch/arm/mach-ebsa110/include/mach/io.h
index 44679db..11bb079 100644
--- a/arch/arm/mach-ebsa110/include/mach/io.h
+++ b/arch/arm/mach-ebsa110/include/mach/io.h
@@ -62,15 +62,6 @@
 #define writew(v,b)		__writew(v,b)
 #define writel(v,b)		__writel(v,b)
 
-static inline void __iomem *__arch_ioremap(unsigned long cookie, size_t size,
-					   unsigned int flags)
-{
-	return (void __iomem *)cookie;
-}
-
-#define __arch_ioremap		__arch_ioremap
-#define __arch_iounmap(cookie)	do { } while (0)
-
 extern void insb(unsigned int port, void *buf, int sz);
 extern void insw(unsigned int port, void *buf, int sz);
 extern void insl(unsigned int port, void *buf, int sz);
diff --git a/arch/arm/mach-ep93xx/include/mach/io.h b/arch/arm/mach-ep93xx/include/mach/io.h
deleted file mode 100644
index 594b77f..0000000
--- a/arch/arm/mach-ep93xx/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * arch/arm/mach-ep93xx/include/mach/io.h
- */
-
-#ifndef __ASM_MACH_IO_H
-#define __ASM_MACH_IO_H
-
-#define IO_SPACE_LIMIT		0xffffffff
-
-#define __io(p)			__typesafe_io(p)
-#define __mem_pci(p)		(p)
-
-/*
- * A typesafe __io() variation for variable initialisers
- */
-#ifdef __ASSEMBLER__
-#define IOMEM(p)		p
-#else
-#define IOMEM(p)		((void __iomem __force *)(p))
-#endif
-
-#endif /* __ASM_MACH_IO_H */
diff --git a/arch/arm/mach-exynos/include/mach/io.h b/arch/arm/mach-exynos/include/mach/io.h
deleted file mode 100644
index d5478d2..0000000
--- a/arch/arm/mach-exynos/include/mach/io.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* linux/arch/arm/mach-exynos4/include/mach/io.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Copyright 2008-2010 Ben Dooks <ben-linux@fluff.org>
- *
- * Based on arch/arm/mach-s5p6442/include/mach/io.h
- *
- * Default IO routines for EXYNOS4
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H __FILE__
-
-/* No current ISA/PCI bus support. */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#define IO_SPACE_LIMIT (0xFFFFFFFF)
-
-#endif /* __ASM_ARM_ARCH_IO_H */
diff --git a/arch/arm/mach-footbridge/include/mach/io.h b/arch/arm/mach-footbridge/include/mach/io.h
index 15a7039..aba531ee 100644
--- a/arch/arm/mach-footbridge/include/mach/io.h
+++ b/arch/arm/mach-footbridge/include/mach/io.h
@@ -27,18 +27,5 @@
  * Translation of various region addresses to virtual addresses
  */
 #define __io(a)			((void __iomem *)(PCIO_BASE + (a)))
-#if 1
-#define __mem_pci(a)		(a)
-#else
-
-static inline void __iomem *___mem_pci(void __iomem *p)
-{
-	unsigned long a = (unsigned long)p;
-	BUG_ON(a <= 0xc0000000 || a >= 0xe0000000);
-	return p;
-}
-
-#define __mem_pci(a)		___mem_pci(a)
-#endif
 
 #endif
diff --git a/arch/arm/mach-gemini/include/mach/io.h b/arch/arm/mach-gemini/include/mach/io.h
deleted file mode 100644
index c548056..0000000
--- a/arch/arm/mach-gemini/include/mach/io.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/*
- *  Copyright (C) 2001-2006 Storlink, Corp.
- *  Copyright (C) 2008-2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- */
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#define IO_SPACE_LIMIT	0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif /* __MACH_IO_H */
diff --git a/arch/arm/mach-h720x/include/mach/io.h b/arch/arm/mach-h720x/include/mach/io.h
deleted file mode 100644
index 2c8659c..0000000
--- a/arch/arm/mach-h720x/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * arch/arm/mach-h720x/include/mach/io.h
- *
- * Copyright (C) 2000 Steve Hill (sjhill@cotw.com)
- *
- * Changelog:
- *
- *  09-19-2001	JJKIM
- *  		Created from arch/arm/mach-l7200/include/mach/io.h
- *
- *  03-27-2003  Robert Schwebel <r.schwebel@pengutronix.de>:
- *  		re-unified header files for h720x
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-highbank/include/mach/io.h b/arch/arm/mach-highbank/include/mach/io.h
deleted file mode 100644
index 70cfa3b..0000000
--- a/arch/arm/mach-highbank/include/mach/io.h
+++ /dev/null
@@ -1,7 +0,0 @@
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#define __io(a)		({ (void)(a); __typesafe_io(0); })
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-imx/mm-imx3.c b/arch/arm/mach-imx/mm-imx3.c
index f8ca96c..d534d7f 100644
--- a/arch/arm/mach-imx/mm-imx3.c
+++ b/arch/arm/mach-imx/mm-imx3.c
@@ -61,8 +61,8 @@
 		: "=r" (reg));
 }
 
-static void __iomem *imx3_ioremap(unsigned long phys_addr, size_t size,
-				  unsigned int mtype)
+static void __iomem *imx3_ioremap_caller(unsigned long phys_addr, size_t size,
+					 unsigned int mtype, void *caller)
 {
 	if (mtype == MT_DEVICE) {
 		/*
@@ -75,7 +75,7 @@
 			mtype = MT_DEVICE_NONSHARED;
 	}
 
-	return __arm_ioremap(phys_addr, size, mtype);
+	return __arm_ioremap_caller(phys_addr, size, mtype, caller);
 }
 
 void __init imx3_init_l2x0(void)
@@ -134,7 +134,7 @@
 {
 	mxc_set_cpu_type(MXC_CPU_MX31);
 	mxc_arch_reset_init(MX31_IO_ADDRESS(MX31_WDOG_BASE_ADDR));
-	imx_ioremap = imx3_ioremap;
+	arch_ioremap_caller = imx3_ioremap_caller;
 	arm_pm_idle = imx3_idle;
 }
 
@@ -208,7 +208,7 @@
 	mxc_iomux_v3_init(MX35_IO_ADDRESS(MX35_IOMUXC_BASE_ADDR));
 	mxc_arch_reset_init(MX35_IO_ADDRESS(MX35_WDOG_BASE_ADDR));
 	arm_pm_idle = imx3_idle;
-	imx_ioremap = imx3_ioremap;
+	arch_ioremap_caller = imx3_ioremap_caller;
 }
 
 void __init mx35_init_irq(void)
diff --git a/arch/arm/mach-integrator/include/mach/io.h b/arch/arm/mach-integrator/include/mach/io.h
index 37beed3..8de70de 100644
--- a/arch/arm/mach-integrator/include/mach/io.h
+++ b/arch/arm/mach-integrator/include/mach/io.h
@@ -29,6 +29,5 @@
 #define PCI_IO_VADDR            0xee000000
 
 #define __io(a)			((void __iomem *)(PCI_IO_VADDR + (a)))
-#define __mem_pci(a)		(a)
 
 #endif
diff --git a/arch/arm/mach-iop13xx/include/mach/io.h b/arch/arm/mach-iop13xx/include/mach/io.h
index dffb234..f131885 100644
--- a/arch/arm/mach-iop13xx/include/mach/io.h
+++ b/arch/arm/mach-iop13xx/include/mach/io.h
@@ -22,20 +22,7 @@
 #define IO_SPACE_LIMIT 0xffffffff
 
 #define __io(a) __iop13xx_io(a)
-#define __mem_pci(a) (a)
-#define __mem_isa(a) (a)
 
 extern void __iomem * __iop13xx_io(unsigned long io_addr);
-extern void __iomem *__iop13xx_ioremap(unsigned long cookie, size_t size,
-	unsigned int mtype);
-extern void __iop13xx_iounmap(void __iomem *addr);
-
-extern u32 iop13xx_atue_mem_base;
-extern u32 iop13xx_atux_mem_base;
-extern size_t iop13xx_atue_mem_size;
-extern size_t iop13xx_atux_mem_size;
-
-#define __arch_ioremap	__iop13xx_ioremap
-#define __arch_iounmap	__iop13xx_iounmap
 
 #endif
diff --git a/arch/arm/mach-iop13xx/include/mach/iop13xx.h b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
index 07e9ff7..e190dcd 100644
--- a/arch/arm/mach-iop13xx/include/mach/iop13xx.h
+++ b/arch/arm/mach-iop13xx/include/mach/iop13xx.h
@@ -5,6 +5,7 @@
 /* The ATU offsets can change based on the strapping */
 extern u32 iop13xx_atux_pmmr_offset;
 extern u32 iop13xx_atue_pmmr_offset;
+void iop13xx_init_early(void);
 void iop13xx_init_irq(void);
 void iop13xx_map_io(void);
 void iop13xx_platform_init(void);
diff --git a/arch/arm/mach-iop13xx/io.c b/arch/arm/mach-iop13xx/io.c
index 48642e6..3c36419 100644
--- a/arch/arm/mach-iop13xx/io.c
+++ b/arch/arm/mach-iop13xx/io.c
@@ -21,6 +21,8 @@
 #include <linux/io.h>
 #include <mach/hardware.h>
 
+#include "pci.h"
+
 void * __iomem __iop13xx_io(unsigned long io_addr)
 {
 	void __iomem * io_virt;
@@ -40,8 +42,8 @@
 }
 EXPORT_SYMBOL(__iop13xx_io);
 
-void * __iomem __iop13xx_ioremap(unsigned long cookie, size_t size,
-	unsigned int mtype)
+static void __iomem *__iop13xx_ioremap_caller(unsigned long cookie,
+	size_t size, unsigned int mtype, void *caller)
 {
 	void __iomem * retval;
 
@@ -76,17 +78,14 @@
 		break;
 	default:
 		retval = __arm_ioremap_caller(cookie, size, mtype,
-				__builtin_return_address(0));
+				caller);
 	}
 
 	return retval;
 }
-EXPORT_SYMBOL(__iop13xx_ioremap);
 
-void __iop13xx_iounmap(void __iomem *addr)
+static void __iop13xx_iounmap(volatile void __iomem *addr)
 {
-	extern void __iounmap(volatile void __iomem *addr);
-
 	if (iop13xx_atue_mem_base)
 		if (addr >= (void __iomem *) iop13xx_atue_mem_base &&
 	 	    addr < (void __iomem *) (iop13xx_atue_mem_base +
@@ -110,4 +109,9 @@
 skip:
 	return;
 }
-EXPORT_SYMBOL(__iop13xx_iounmap);
+
+void __init iop13xx_init_early(void)
+{
+	arch_ioremap_caller = __iop13xx_ioremap_caller;
+	arch_iounmap = __iop13xx_iounmap;
+}
diff --git a/arch/arm/mach-iop13xx/iq81340mc.c b/arch/arm/mach-iop13xx/iq81340mc.c
index abaee88..5c96b73 100644
--- a/arch/arm/mach-iop13xx/iq81340mc.c
+++ b/arch/arm/mach-iop13xx/iq81340mc.c
@@ -92,6 +92,7 @@
 MACHINE_START(IQ81340MC, "Intel IQ81340MC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
 	.atag_offset    = 0x100,
+	.init_early     = iop13xx_init_early,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340mc_timer,
diff --git a/arch/arm/mach-iop13xx/iq81340sc.c b/arch/arm/mach-iop13xx/iq81340sc.c
index 690916a..aa4dd75 100644
--- a/arch/arm/mach-iop13xx/iq81340sc.c
+++ b/arch/arm/mach-iop13xx/iq81340sc.c
@@ -94,6 +94,7 @@
 MACHINE_START(IQ81340SC, "Intel IQ81340SC")
 	/* Maintainer: Dan Williams <dan.j.williams@intel.com> */
 	.atag_offset    = 0x100,
+	.init_early     = iop13xx_init_early,
 	.map_io         = iop13xx_map_io,
 	.init_irq       = iop13xx_init_irq,
 	.timer          = &iq81340sc_timer,
diff --git a/arch/arm/mach-iop13xx/pci.h b/arch/arm/mach-iop13xx/pci.h
new file mode 100644
index 0000000..c70cf5b4
--- /dev/null
+++ b/arch/arm/mach-iop13xx/pci.h
@@ -0,0 +1,6 @@
+#include <linux/types.h>
+
+extern u32 iop13xx_atue_mem_base;
+extern u32 iop13xx_atux_mem_base;
+extern size_t iop13xx_atue_mem_size;
+extern size_t iop13xx_atux_mem_size;
diff --git a/arch/arm/mach-iop32x/include/mach/io.h b/arch/arm/mach-iop32x/include/mach/io.h
index 2d88264..e2ada26 100644
--- a/arch/arm/mach-iop32x/include/mach/io.h
+++ b/arch/arm/mach-iop32x/include/mach/io.h
@@ -15,6 +15,5 @@
 
 #define IO_SPACE_LIMIT		0xffffffff
 #define __io(p)		((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
-#define __mem_pci(a)		(a)
 
 #endif
diff --git a/arch/arm/mach-iop33x/include/mach/io.h b/arch/arm/mach-iop33x/include/mach/io.h
index a8a66fc..f7c1b65 100644
--- a/arch/arm/mach-iop33x/include/mach/io.h
+++ b/arch/arm/mach-iop33x/include/mach/io.h
@@ -15,6 +15,5 @@
 
 #define IO_SPACE_LIMIT		0xffffffff
 #define __io(p)		((void __iomem *)IOP3XX_PCI_IO_PHYS_TO_VIRT(p))
-#define __mem_pci(a)		(a)
 
 #endif
diff --git a/arch/arm/mach-ixp2000/include/mach/io.h b/arch/arm/mach-ixp2000/include/mach/io.h
index 859e5849..f6552d6 100644
--- a/arch/arm/mach-ixp2000/include/mach/io.h
+++ b/arch/arm/mach-ixp2000/include/mach/io.h
@@ -18,7 +18,6 @@
 #include <mach/hardware.h>
 
 #define IO_SPACE_LIMIT		0xffffffff
-#define __mem_pci(a)		(a)
 
 /*
  * The A? revisions of the IXP2000s assert byte lanes for PCI I/O
diff --git a/arch/arm/mach-ixp23xx/include/mach/io.h b/arch/arm/mach-ixp23xx/include/mach/io.h
index 4ce4353..a7aceb5 100644
--- a/arch/arm/mach-ixp23xx/include/mach/io.h
+++ b/arch/arm/mach-ixp23xx/include/mach/io.h
@@ -18,6 +18,5 @@
 #define IO_SPACE_LIMIT 0xffffffff
 
 #define __io(p)		((void __iomem*)((p) + IXP23XX_PCI_IO_VIRT))
-#define __mem_pci(a)	(a)
 
 #endif
diff --git a/arch/arm/mach-ixp4xx/avila-setup.c b/arch/arm/mach-ixp4xx/avila-setup.c
index a7277ad..90e42e9 100644
--- a/arch/arm/mach-ixp4xx/avila-setup.c
+++ b/arch/arm/mach-ixp4xx/avila-setup.c
@@ -165,6 +165,7 @@
 MACHINE_START(AVILA, "Gateworks Avila Network Platform")
 	/* Maintainer: Deepak Saxena <dsaxena@plexity.net> */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
@@ -184,6 +185,7 @@
 MACHINE_START(LOFT, "Giant Shoulder Inc Loft board")
 	/* Maintainer: Tom Billman <kernel@giantshoulderinc.com> */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/common.c b/arch/arm/mach-ixp4xx/common.c
index a6329a0..c60e7b8 100644
--- a/arch/arm/mach-ixp4xx/common.c
+++ b/arch/arm/mach-ixp4xx/common.c
@@ -31,6 +31,7 @@
 
 #include <mach/udc.h>
 #include <mach/hardware.h>
+#include <mach/io.h>
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
 #include <asm/page.h>
@@ -517,3 +518,35 @@
 		*IXP4XX_OSWE = IXP4XX_WDT_RESET_ENABLE | IXP4XX_WDT_COUNT_ENABLE;
 	}
 }
+
+#ifdef CONFIG_IXP4XX_INDIRECT_PCI
+/*
+ * In the case of using indirect PCI, we simply return the actual PCI
+ * address and our read/write implementation use that to drive the
+ * access registers. If something outside of PCI is ioremap'd, we
+ * fallback to the default.
+ */
+
+static void __iomem *ixp4xx_ioremap_caller(unsigned long addr, size_t size,
+					   unsigned int mtype, void *caller)
+{
+	if (!is_pci_memory(addr))
+		return __arm_ioremap_caller(addr, size, mtype, caller);
+
+	return (void __iomem *)addr;
+}
+
+static void ixp4xx_iounmap(void __iomem *addr)
+{
+	if (!is_pci_memory((__force u32)addr))
+		__iounmap(addr);
+}
+
+void __init ixp4xx_init_early(void)
+{
+	arch_ioremap_caller = ixp4xx_ioremap_caller;
+	arch_iounmap = ixp4xx_iounmap;
+}
+#else
+void __init ixp4xx_init_early(void) {}
+#endif
diff --git a/arch/arm/mach-ixp4xx/coyote-setup.c b/arch/arm/mach-ixp4xx/coyote-setup.c
index a74f86c..1b83110 100644
--- a/arch/arm/mach-ixp4xx/coyote-setup.c
+++ b/arch/arm/mach-ixp4xx/coyote-setup.c
@@ -110,6 +110,7 @@
 MACHINE_START(ADI_COYOTE, "ADI Engineering Coyote")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
@@ -129,6 +130,7 @@
 MACHINE_START(IXDPG425, "Intel IXDPG425")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/dsmg600-setup.c b/arch/arm/mach-ixp4xx/dsmg600-setup.c
index 67be177..97a0af8 100644
--- a/arch/arm/mach-ixp4xx/dsmg600-setup.c
+++ b/arch/arm/mach-ixp4xx/dsmg600-setup.c
@@ -280,6 +280,7 @@
 	/* Maintainer: www.nslu2-linux.org */
 	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &dsmg600_timer,
 	.init_machine	= dsmg600_init,
diff --git a/arch/arm/mach-ixp4xx/fsg-setup.c b/arch/arm/mach-ixp4xx/fsg-setup.c
index 6d58182..9175a25 100644
--- a/arch/arm/mach-ixp4xx/fsg-setup.c
+++ b/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -270,6 +270,7 @@
 MACHINE_START(FSG, "Freecom FSG-3")
 	/* Maintainer: www.nslu2-linux.org */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/gateway7001-setup.c b/arch/arm/mach-ixp4xx/gateway7001-setup.c
index 7ecf9b2..033c717 100644
--- a/arch/arm/mach-ixp4xx/gateway7001-setup.c
+++ b/arch/arm/mach-ixp4xx/gateway7001-setup.c
@@ -97,6 +97,7 @@
 MACHINE_START(GATEWAY7001, "Gateway 7001 AP")
 	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/goramo_mlr.c b/arch/arm/mach-ixp4xx/goramo_mlr.c
index 78ae12c..46bb924 100644
--- a/arch/arm/mach-ixp4xx/goramo_mlr.c
+++ b/arch/arm/mach-ixp4xx/goramo_mlr.c
@@ -496,6 +496,7 @@
 MACHINE_START(GORAMO_MLR, "MultiLink")
 	/* Maintainer: Krzysztof Halasa */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/gtwx5715-setup.c b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
index a23f893..18ebc6b 100644
--- a/arch/arm/mach-ixp4xx/gtwx5715-setup.c
+++ b/arch/arm/mach-ixp4xx/gtwx5715-setup.c
@@ -165,6 +165,7 @@
 MACHINE_START(GTWX5715, "Gemtek GTWX5715 (Linksys WRV54G)")
 	/* Maintainer: George Joseph */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/include/mach/hardware.h b/arch/arm/mach-ixp4xx/include/mach/hardware.h
index c30e7e9..034bb2a 100644
--- a/arch/arm/mach-ixp4xx/include/mach/hardware.h
+++ b/arch/arm/mach-ixp4xx/include/mach/hardware.h
@@ -23,8 +23,6 @@
 #define PCIBIOS_MAX_MEM		0x4BFFFFFF
 #endif
 
-#define ARCH_HAS_DMA_SET_COHERENT_MASK
-
 /* Register locations and bits */
 #include "ixp4xx-regs.h"
 
diff --git a/arch/arm/mach-ixp4xx/include/mach/io.h b/arch/arm/mach-ixp4xx/include/mach/io.h
index ffb9d6a..5cf30d1 100644
--- a/arch/arm/mach-ixp4xx/include/mach/io.h
+++ b/arch/arm/mach-ixp4xx/include/mach/io.h
@@ -39,11 +39,7 @@
  *    but in some cases the performance hit is acceptable. In addition, you
  *    cannot mmap() PCI devices in this case.
  */
-#ifndef	CONFIG_IXP4XX_INDIRECT_PCI
-
-#define __mem_pci(a)		(a)
-
-#else
+#ifdef	CONFIG_IXP4XX_INDIRECT_PCI
 
 /*
  * In the case of using indirect PCI, we simply return the actual PCI
@@ -57,24 +53,6 @@
 	return (addr >= PCIBIOS_MIN_MEM) && (addr <= 0x4FFFFFFF);
 }
 
-static inline void __iomem * __indirect_ioremap(unsigned long addr, size_t size,
-						unsigned int mtype)
-{
-	if (!is_pci_memory(addr))
-		return __arm_ioremap(addr, size, mtype);
-
-	return (void __iomem *)addr;
-}
-
-static inline void __indirect_iounmap(void __iomem *addr)
-{
-	if (!is_pci_memory((__force u32)addr))
-		__iounmap(addr);
-}
-
-#define __arch_ioremap			__indirect_ioremap
-#define __arch_iounmap			__indirect_iounmap
-
 #define writeb(v, p)			__indirect_writeb(v, p)
 #define writew(v, p)			__indirect_writew(v, p)
 #define writel(v, p)			__indirect_writel(v, p)
diff --git a/arch/arm/mach-ixp4xx/include/mach/platform.h b/arch/arm/mach-ixp4xx/include/mach/platform.h
index df9250b..b66bedc 100644
--- a/arch/arm/mach-ixp4xx/include/mach/platform.h
+++ b/arch/arm/mach-ixp4xx/include/mach/platform.h
@@ -121,6 +121,7 @@
  * Functions used by platform-level setup code
  */
 extern void ixp4xx_map_io(void);
+extern void ixp4xx_init_early(void);
 extern void ixp4xx_init_irq(void);
 extern void ixp4xx_sys_init(void);
 extern void ixp4xx_timer_init(void);
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index 8a38b39..3d742ae 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -254,6 +254,7 @@
 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
@@ -269,6 +270,7 @@
 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
@@ -283,6 +285,7 @@
 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
@@ -297,6 +300,7 @@
 MACHINE_START(KIXRP435, "Intel KIXRP435 Reference Platform")
 	/* Maintainer: MontaVista Software, Inc. */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/nas100d-setup.c b/arch/arm/mach-ixp4xx/nas100d-setup.c
index 1010eb7b..33cb095 100644
--- a/arch/arm/mach-ixp4xx/nas100d-setup.c
+++ b/arch/arm/mach-ixp4xx/nas100d-setup.c
@@ -315,6 +315,7 @@
 	/* Maintainer: www.nslu2-linux.org */
 	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &ixp4xx_timer,
 	.init_machine	= nas100d_init,
diff --git a/arch/arm/mach-ixp4xx/nslu2-setup.c b/arch/arm/mach-ixp4xx/nslu2-setup.c
index aa355c3..e2903fa 100644
--- a/arch/arm/mach-ixp4xx/nslu2-setup.c
+++ b/arch/arm/mach-ixp4xx/nslu2-setup.c
@@ -301,6 +301,7 @@
 	/* Maintainer: www.nslu2-linux.org */
 	.atag_offset	= 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &nslu2_timer,
 	.init_machine	= nslu2_init,
diff --git a/arch/arm/mach-ixp4xx/omixp-setup.c b/arch/arm/mach-ixp4xx/omixp-setup.c
index 0940869..158ddb7 100644
--- a/arch/arm/mach-ixp4xx/omixp-setup.c
+++ b/arch/arm/mach-ixp4xx/omixp-setup.c
@@ -243,6 +243,7 @@
 MACHINE_START(DEVIXP, "Omicron DEVIXP")
 	.atag_offset    = 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &ixp4xx_timer,
 	.init_machine	= omixp_init,
@@ -254,6 +255,7 @@
 MACHINE_START(MICCPT, "Omicron MICCPT")
 	.atag_offset    = 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &ixp4xx_timer,
 	.init_machine	= omixp_init,
@@ -268,6 +270,7 @@
 MACHINE_START(MIC256, "Omicron MIC256")
 	.atag_offset    = 0x100,
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer          = &ixp4xx_timer,
 	.init_machine	= omixp_init,
diff --git a/arch/arm/mach-ixp4xx/vulcan-setup.c b/arch/arm/mach-ixp4xx/vulcan-setup.c
index 9dec206..2798f43 100644
--- a/arch/arm/mach-ixp4xx/vulcan-setup.c
+++ b/arch/arm/mach-ixp4xx/vulcan-setup.c
@@ -237,6 +237,7 @@
 MACHINE_START(ARCOM_VULCAN, "Arcom/Eurotech Vulcan")
 	/* Maintainer: Marc Zyngier <maz@misterjones.org> */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-ixp4xx/wg302v2-setup.c b/arch/arm/mach-ixp4xx/wg302v2-setup.c
index 5ac0f0a..a785175 100644
--- a/arch/arm/mach-ixp4xx/wg302v2-setup.c
+++ b/arch/arm/mach-ixp4xx/wg302v2-setup.c
@@ -98,6 +98,7 @@
 MACHINE_START(WG302V2, "Netgear WG302 v2 / WAG302 v2")
 	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 	.map_io		= ixp4xx_map_io,
+	.init_early	= ixp4xx_init_early,
 	.init_irq	= ixp4xx_init_irq,
 	.timer		= &ixp4xx_timer,
 	.atag_offset	= 0x100,
diff --git a/arch/arm/mach-kirkwood/include/mach/io.h b/arch/arm/mach-kirkwood/include/mach/io.h
index 49dd0cb..5d0ab61 100644
--- a/arch/arm/mach-kirkwood/include/mach/io.h
+++ b/arch/arm/mach-kirkwood/include/mach/io.h
@@ -20,7 +20,5 @@
 }
 
 #define __io(a)			__io(a)
-#define __mem_pci(a)		(a)
-
 
 #endif
diff --git a/arch/arm/mach-ks8695/include/mach/io.h b/arch/arm/mach-ks8695/include/mach/io.h
deleted file mode 100644
index a7a63ac..0000000
--- a/arch/arm/mach-ks8695/include/mach/io.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-ks8695/include/mach/io.h
- *
- * Copyright (C) 2006 Andrew Victor
- *
- * This file is licensed under  the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT		0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-lpc32xx/include/mach/io.h b/arch/arm/mach-lpc32xx/include/mach/io.h
deleted file mode 100644
index 9b59ab5..0000000
--- a/arch/arm/mach-lpc32xx/include/mach/io.h
+++ /dev/null
@@ -1,27 +0,0 @@
-/*
- * arch/arm/mach-lpc32xx/include/mach/io.h
- *
- * Author: Kevin Wells <kevin.wells@nxp.com>
- *
- * Copyright (C) 2010 NXP Semiconductors
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT	0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-mmp/include/mach/addr-map.h b/arch/arm/mach-mmp/include/mach/addr-map.h
index 3e404ac..b1ece08 100644
--- a/arch/arm/mach-mmp/include/mach/addr-map.h
+++ b/arch/arm/mach-mmp/include/mach/addr-map.h
@@ -11,12 +11,6 @@
 #ifndef __ASM_MACH_ADDR_MAP_H
 #define __ASM_MACH_ADDR_MAP_H
 
-#ifndef __ASSEMBLER__
-#define IOMEM(x)	((void __iomem *)(x))
-#else
-#define IOMEM(x)	(x)
-#endif
-
 /* APB - Application Subsystem Peripheral Bus
  *
  * NOTE: the DMA controller registers are actually on the AXI fabric #1
diff --git a/arch/arm/mach-mmp/include/mach/io.h b/arch/arm/mach-mmp/include/mach/io.h
deleted file mode 100644
index e7adf3d..0000000
--- a/arch/arm/mach-mmp/include/mach/io.h
+++ /dev/null
@@ -1,21 +0,0 @@
-/*
- * linux/arch/arm/mach-mmp/include/mach/io.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_MACH_IO_H
-#define __ASM_MACH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif /* __ASM_MACH_IO_H */
diff --git a/arch/arm/mach-msm/board-halibut.c b/arch/arm/mach-msm/board-halibut.c
index a60ab6d..3698a37 100644
--- a/arch/arm/mach-msm/board-halibut.c
+++ b/arch/arm/mach-msm/board-halibut.c
@@ -68,6 +68,11 @@
 
 extern struct sys_timer msm_timer;
 
+static void __init halibut_init_early(void)
+{
+	arch_ioremap_caller = __msm_ioremap_caller;
+}
+
 static void __init halibut_init_irq(void)
 {
 	msm_init_irq();
@@ -96,6 +101,7 @@
 	.atag_offset	= 0x100,
 	.fixup		= halibut_fixup,
 	.map_io		= halibut_map_io,
+	.init_early	= halibut_init_early,
 	.init_irq	= halibut_init_irq,
 	.init_machine	= halibut_init,
 	.timer		= &msm_timer,
diff --git a/arch/arm/mach-msm/board-trout.c b/arch/arm/mach-msm/board-trout.c
index 6b9b227..5414f76 100644
--- a/arch/arm/mach-msm/board-trout.c
+++ b/arch/arm/mach-msm/board-trout.c
@@ -43,6 +43,11 @@
 
 extern struct sys_timer msm_timer;
 
+static void __init trout_init_early(void)
+{
+	arch_ioremap_caller = __msm_ioremap_caller;
+}
+
 static void __init trout_init_irq(void)
 {
 	msm_init_irq();
@@ -96,6 +101,7 @@
 	.atag_offset	= 0x100,
 	.fixup		= trout_fixup,
 	.map_io		= trout_map_io,
+	.init_early	= trout_init_early,
 	.init_irq	= trout_init_irq,
 	.init_machine	= trout_init,
 	.timer		= &msm_timer,
diff --git a/arch/arm/mach-msm/include/mach/io.h b/arch/arm/mach-msm/include/mach/io.h
deleted file mode 100644
index dc1b928..0000000
--- a/arch/arm/mach-msm/include/mach/io.h
+++ /dev/null
@@ -1,36 +0,0 @@
-/* arch/arm/mach-msm/include/mach/io.h
- *
- * Copyright (C) 2007 Google, Inc.
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __arch_ioremap __msm_ioremap
-#define __arch_iounmap __iounmap
-
-void __iomem *__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype);
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)    (a)
-
-void msm_map_qsd8x50_io(void);
-void msm_map_msm7x30_io(void);
-void msm_map_msm8x60_io(void);
-void msm_map_msm8960_io(void);
-
-extern unsigned int msm_shared_ram_phys;
-
-#endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
index 8af4612..6c4046c 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x00.h
@@ -38,12 +38,6 @@
  *
  */
 
-#ifdef __ASSEMBLY__
-#define IOMEM(x)	x
-#else
-#define IOMEM(x)	((void __force __iomem *)(x))
-#endif
-
 #define MSM_VIC_BASE          IOMEM(0xE0000000)
 #define MSM_VIC_PHYS          0xC0000000
 #define MSM_VIC_SIZE          SZ_4K
@@ -111,5 +105,11 @@
 #define MSM_AD5_PHYS          0xAC000000
 #define MSM_AD5_SIZE          (SZ_1M*13)
 
+#ifndef __ASSEMBLY__
+
+extern void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
+					  unsigned int mtype, void *caller);
+
+#endif
 
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h
index 198202c2..f944fe6 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-7x30.h
@@ -100,4 +100,8 @@
 #define MSM_HSUSB_PHYS        0xA3600000
 #define MSM_HSUSB_SIZE        SZ_1K
 
+#ifndef __ASSEMBLY__
+extern void msm_map_msm7x30_io(void);
+#endif
+
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
index 800b557..a1752c0 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8960.h
@@ -50,4 +50,8 @@
 #define MSM_DEBUG_UART_PHYS	0x16440000
 #endif
 
+#ifndef __ASSEMBLY__
+extern void msm_map_msm8960_io(void);
+#endif
+
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
index 0faa894..da77cc1 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x50.h
@@ -122,4 +122,8 @@
 #define MSM_SDC4_PHYS          0xA0600000
 #define MSM_SDC4_SIZE          SZ_4K
 
+#ifndef __ASSEMBLY__
+extern void msm_map_qsd8x50_io(void);
+#endif
+
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
index 54e12ca..5aed57d 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap-8x60.h
@@ -67,4 +67,8 @@
 #define MSM_DEBUG_UART_PHYS	0x19C40000
 #endif
 
+#ifndef __ASSEMBLY__
+extern void msm_map_msm8x60_io(void);
+#endif
+
 #endif
diff --git a/arch/arm/mach-msm/include/mach/msm_iomap.h b/arch/arm/mach-msm/include/mach/msm_iomap.h
index 90682f4..00afdfb 100644
--- a/arch/arm/mach-msm/include/mach/msm_iomap.h
+++ b/arch/arm/mach-msm/include/mach/msm_iomap.h
@@ -37,12 +37,6 @@
  *
  */
 
-#ifdef __ASSEMBLY__
-#define IOMEM(x)	x
-#else
-#define IOMEM(x)	((void __force __iomem *)(x))
-#endif
-
 #if defined(CONFIG_ARCH_MSM7X30)
 #include "msm_iomap-7x30.h"
 #elif defined(CONFIG_ARCH_QSD8X50)
diff --git a/arch/arm/mach-msm/io.c b/arch/arm/mach-msm/io.c
index 578b04e..a1e7b11 100644
--- a/arch/arm/mach-msm/io.c
+++ b/arch/arm/mach-msm/io.c
@@ -172,8 +172,8 @@
 }
 #endif /* CONFIG_ARCH_MSM7X30 */
 
-void __iomem *
-__msm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
+void __iomem *__msm_ioremap_caller(unsigned long phys_addr, size_t size,
+				   unsigned int mtype, void *caller)
 {
 	if (mtype == MT_DEVICE) {
 		/* The peripherals in the 88000000 - D0000000 range
@@ -184,7 +184,5 @@
 			mtype = MT_DEVICE_NONSHARED;
 	}
 
-	return __arm_ioremap_caller(phys_addr, size, mtype,
-		__builtin_return_address(0));
+	return __arm_ioremap_caller(phys_addr, size, mtype, caller);
 }
-EXPORT_SYMBOL(__msm_ioremap);
diff --git a/arch/arm/mach-mv78xx0/include/mach/io.h b/arch/arm/mach-mv78xx0/include/mach/io.h
index 450e0e1..c7d9d00 100644
--- a/arch/arm/mach-mv78xx0/include/mach/io.h
+++ b/arch/arm/mach-mv78xx0/include/mach/io.h
@@ -20,7 +20,5 @@
 }
 
 #define __io(a)			__io(a)
-#define __mem_pci(a)		(a)
-
 
 #endif
diff --git a/arch/arm/mach-mxs/include/mach/hardware.h b/arch/arm/mach-mxs/include/mach/hardware.h
index 53e89a0..4c0e8a6 100644
--- a/arch/arm/mach-mxs/include/mach/hardware.h
+++ b/arch/arm/mach-mxs/include/mach/hardware.h
@@ -20,10 +20,4 @@
 #ifndef __MACH_MXS_HARDWARE_H__
 #define __MACH_MXS_HARDWARE_H__
 
-#ifdef __ASSEMBLER__
-#define IOMEM(addr)	(addr)
-#else
-#define IOMEM(addr)	((void __force __iomem *)(addr))
-#endif
-
 #endif /* __MACH_MXS_HARDWARE_H__ */
diff --git a/arch/arm/mach-mxs/include/mach/io.h b/arch/arm/mach-mxs/include/mach/io.h
deleted file mode 100644
index 289b722..0000000
--- a/arch/arm/mach-mxs/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __MACH_MXS_IO_H__
-#define __MACH_MXS_IO_H__
-
-/* Allow IO space to be anywhere in the memory */
-#define IO_SPACE_LIMIT 0xffffffff
-
-/* io address mapping macro */
-#define __io(a)		__typesafe_io(a)
-
-#define __mem_pci(a)	(a)
-
-#endif /* __MACH_MXS_IO_H__ */
diff --git a/arch/arm/mach-netx/generic.c b/arch/arm/mach-netx/generic.c
index 59e6797..aa62746 100644
--- a/arch/arm/mach-netx/generic.c
+++ b/arch/arm/mach-netx/generic.c
@@ -168,7 +168,7 @@
 {
 	int irq;
 
-	vic_init(__io(io_p2v(NETX_PA_VIC)), 0, ~0, 0);
+	vic_init(io_p2v(NETX_PA_VIC), 0, ~0, 0);
 
 	for (irq = NETX_IRQ_HIF_CHAINED(0); irq <= NETX_IRQ_HIF_LAST; irq++) {
 		irq_set_chip_and_handler(irq, &netx_hif_chip,
diff --git a/arch/arm/mach-netx/include/mach/hardware.h b/arch/arm/mach-netx/include/mach/hardware.h
index 517a2bd..b661af2 100644
--- a/arch/arm/mach-netx/include/mach/hardware.h
+++ b/arch/arm/mach-netx/include/mach/hardware.h
@@ -33,7 +33,7 @@
 #define XMAC_MEM_SIZE 0x1000
 #define SRAM_MEM_SIZE 0x8000
 
-#define io_p2v(x) ((x) - NETX_IO_PHYS + NETX_IO_VIRT)
+#define io_p2v(x) IOMEM((x) - NETX_IO_PHYS + NETX_IO_VIRT)
 #define io_v2p(x) ((x) - NETX_IO_VIRT + NETX_IO_PHYS)
 
 #endif
diff --git a/arch/arm/mach-netx/include/mach/io.h b/arch/arm/mach-netx/include/mach/io.h
deleted file mode 100644
index c3921cb..0000000
--- a/arch/arm/mach-netx/include/mach/io.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  arch/arm/mach-netx/include/mach/io.h
- *
- * Copyright (C) 2005 Sascha Hauer <s.hauer@pengutronix.de>, Pengutronix
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)            (a)
-
-#endif
diff --git a/arch/arm/mach-netx/include/mach/netx-regs.h b/arch/arm/mach-netx/include/mach/netx-regs.h
index 5a03e7c..fdde22b 100644
--- a/arch/arm/mach-netx/include/mach/netx-regs.h
+++ b/arch/arm/mach-netx/include/mach/netx-regs.h
@@ -115,7 +115,7 @@
  *********************************/
 
 /* Registers */
-#define NETX_SYSTEM_REG(ofs)            __io(NETX_VA_SYSTEM + (ofs))
+#define NETX_SYSTEM_REG(ofs)            IOMEM(NETX_VA_SYSTEM + (ofs))
 #define NETX_SYSTEM_BOO_SR          NETX_SYSTEM_REG(0x00)
 #define NETX_SYSTEM_IOC_CR          NETX_SYSTEM_REG(0x04)
 #define NETX_SYSTEM_IOC_MR          NETX_SYSTEM_REG(0x08)
@@ -185,7 +185,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_GPIO_REG(ofs)                     __io(NETX_VA_GPIO + (ofs))
+#define NETX_GPIO_REG(ofs)                     IOMEM(NETX_VA_GPIO + (ofs))
 #define NETX_GPIO_CFG(gpio)                NETX_GPIO_REG(0x0  + ((gpio)<<2))
 #define NETX_GPIO_THRESHOLD_CAPTURE(gpio)  NETX_GPIO_REG(0x40 + ((gpio)<<2))
 #define NETX_GPIO_COUNTER_CTRL(counter)    NETX_GPIO_REG(0x80 + ((counter)<<2))
@@ -230,7 +230,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_PIO_REG(ofs)        __io(NETX_VA_PIO + (ofs))
+#define NETX_PIO_REG(ofs)        IOMEM(NETX_VA_PIO + (ofs))
 #define NETX_PIO_INPIO       NETX_PIO_REG(0x0)
 #define NETX_PIO_OUTPIO      NETX_PIO_REG(0x4)
 #define NETX_PIO_OEPIO       NETX_PIO_REG(0x8)
@@ -240,7 +240,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_MIIMU           __io(NETX_VA_MIIMU)
+#define NETX_MIIMU           IOMEM(NETX_VA_MIIMU)
 
 /* Bits */
 #define MIIMU_SNRDY        (1<<0)
@@ -317,7 +317,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_PFIFO_REG(ofs)               __io(NETX_VA_PFIFO + (ofs))
+#define NETX_PFIFO_REG(ofs)               IOMEM(NETX_VA_PFIFO + (ofs))
 #define NETX_PFIFO_BASE(pfifo)        NETX_PFIFO_REG(0x00 + ((pfifo)<<2))
 #define NETX_PFIFO_BORDER_BASE(pfifo) NETX_PFIFO_REG(0x80 + ((pfifo)<<2))
 #define NETX_PFIFO_RESET              NETX_PFIFO_REG(0x100)
@@ -334,7 +334,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_MEMCR_REG(ofs)               __io(NETX_VA_MEMCR + (ofs))
+#define NETX_MEMCR_REG(ofs)               IOMEM(NETX_VA_MEMCR + (ofs))
 #define NETX_MEMCR_SRAM_CTRL(cs)      NETX_MEMCR_REG(0x0 + 4 * (cs)) /* SRAM for CS 0..2 */
 #define NETX_MEMCR_SDRAM_CFG_CTRL     NETX_MEMCR_REG(0x40)
 #define NETX_MEMCR_SDRAM_TIMING_CTRL  NETX_MEMCR_REG(0x44)
@@ -355,7 +355,7 @@
  *******************************/
 
 /* Registers */
-#define NETX_DPMAS_REG(ofs)               __io(NETX_VA_DPMAS + (ofs))
+#define NETX_DPMAS_REG(ofs)               IOMEM(NETX_VA_DPMAS + (ofs))
 #define NETX_DPMAS_SYS_STAT           NETX_DPMAS_REG(0x4d8)
 #define NETX_DPMAS_INT_STAT           NETX_DPMAS_REG(0x4e0)
 #define NETX_DPMAS_INT_EN             NETX_DPMAS_REG(0x4f0)
@@ -425,7 +425,7 @@
 /*******************************
  * I2C                         *
  *******************************/
-#define NETX_I2C_REG(ofs)	__io(NETX_VA_I2C, (ofs))
+#define NETX_I2C_REG(ofs)	IOMEM(NETX_VA_I2C, (ofs))
 #define NETX_I2C_CTRL	NETX_I2C_REG(0x0)
 #define NETX_I2C_DATA	NETX_I2C_REG(0x4)
 
diff --git a/arch/arm/mach-nomadik/include/mach/io.h b/arch/arm/mach-nomadik/include/mach/io.h
deleted file mode 100644
index 2e1eca1..0000000
--- a/arch/arm/mach-nomadik/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * arch/arm/mach-nomadik/include/mach/io.h   (copied from mach-sa1100)
- *
- * Copyright (C) 1997-1999 Russell King
- *
- * Modifications:
- *  06-12-1997  RMK     Created.
- *  07-04-1999  RMK     Major cleanup
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)         __typesafe_io(a)
-#define __mem_pci(a)    (a)
-
-#endif
diff --git a/arch/arm/mach-omap1/ams-delta-fiq-handler.S b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
index 399c4c4..a051cb8 100644
--- a/arch/arm/mach-omap1/ams-delta-fiq-handler.S
+++ b/arch/arm/mach-omap1/ams-delta-fiq-handler.S
@@ -14,6 +14,7 @@
  */
 
 #include <linux/linkage.h>
+#include <asm/assembler.h>
 
 #include <plat/board-ams-delta.h>
 
diff --git a/arch/arm/mach-omap1/include/mach/entry-macro.S b/arch/arm/mach-omap1/include/mach/entry-macro.S
index fa0f32a..88f08ca 100644
--- a/arch/arm/mach-omap1/include/mach/entry-macro.S
+++ b/arch/arm/mach-omap1/include/mach/entry-macro.S
@@ -11,7 +11,6 @@
  */
 
 #include <mach/hardware.h>
-#include <mach/io.h>
 #include <mach/irqs.h>
 
 #include "../../iomap.h"
diff --git a/arch/arm/mach-omap1/include/mach/io.h b/arch/arm/mach-omap1/include/mach/io.h
deleted file mode 100644
index 37b12e1..0000000
--- a/arch/arm/mach-omap1/include/mach/io.h
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * arch/arm/mach-omap1/include/mach/io.h
- *
- * IO definitions for TI OMAP processors and boards
- *
- * Copied from arch/arm/mach-sa1100/include/mach/io.h
- * Copyright (C) 1997-1999 Russell King
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Modifications:
- *  06-12-1997	RMK	Created.
- *  07-04-1999	RMK	Major cleanup
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-omap1/iomap.h b/arch/arm/mach-omap1/iomap.h
index d681757..330c471 100644
--- a/arch/arm/mach-omap1/iomap.h
+++ b/arch/arm/mach-omap1/iomap.h
@@ -22,12 +22,6 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#ifdef __ASSEMBLER__
-#define IOMEM(x)		(x)
-#else
-#define IOMEM(x)		((void __force __iomem *)(x))
-#endif
-
 #define OMAP1_IO_OFFSET		0x01000000	/* Virtual IO = 0xfefb0000 */
 #define OMAP1_IO_ADDRESS(pa)	IOMEM((pa) - OMAP1_IO_OFFSET)
 
diff --git a/arch/arm/mach-omap1/sleep.S b/arch/arm/mach-omap1/sleep.S
index 0779db1..0e62874 100644
--- a/arch/arm/mach-omap1/sleep.S
+++ b/arch/arm/mach-omap1/sleep.S
@@ -36,8 +36,6 @@
 
 #include <asm/assembler.h>
 
-#include <mach/io.h>
-
 #include "iomap.h"
 #include "pm.h"
 
diff --git a/arch/arm/mach-omap1/sram.S b/arch/arm/mach-omap1/sram.S
index 2ce0b9a..00e9d9e 100644
--- a/arch/arm/mach-omap1/sram.S
+++ b/arch/arm/mach-omap1/sram.S
@@ -12,7 +12,6 @@
 
 #include <asm/assembler.h>
 
-#include <mach/io.h>
 #include <mach/hardware.h>
 
 #include "iomap.h"
diff --git a/arch/arm/mach-omap2/clock3xxx_data.c b/arch/arm/mach-omap2/clock3xxx_data.c
index 981b9f9..480fb8f 100644
--- a/arch/arm/mach-omap2/clock3xxx_data.c
+++ b/arch/arm/mach-omap2/clock3xxx_data.c
@@ -19,6 +19,7 @@
 #include <linux/kernel.h>
 #include <linux/clk.h>
 #include <linux/list.h>
+#include <linux/io.h>
 
 #include <plat/hardware.h>
 #include <plat/clkdev_omap.h>
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index 79b98f2..c03c110 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -26,6 +26,7 @@
 #include <linux/kernel.h>
 #include <linux/list.h>
 #include <linux/clk.h>
+#include <linux/io.h>
 
 #include <plat/hardware.h>
 #include <plat/clkdev_omap.h>
diff --git a/arch/arm/mach-omap2/include/mach/io.h b/arch/arm/mach-omap2/include/mach/io.h
deleted file mode 100644
index b8758c8..0000000
--- a/arch/arm/mach-omap2/include/mach/io.h
+++ /dev/null
@@ -1,49 +0,0 @@
-/*
- * arch/arm/mach-omap2/include/mach/io.h
- *
- * IO definitions for TI OMAP processors and boards
- *
- * Copied from arch/arm/mach-sa1100/include/mach/io.h
- * Copyright (C) 1997-1999 Russell King
- *
- * Copyright (C) 2009 Texas Instruments
- * Added OMAP4 support - Santosh Shilimkar <santosh.shilimkar@ti.com>
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version.
- *
- * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
- * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
- * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
- * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- * Modifications:
- *  06-12-1997	RMK	Created.
- *  07-04-1999	RMK	Major cleanup
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-omap2/iomap.h b/arch/arm/mach-omap2/iomap.h
index e6f9581..0812b15 100644
--- a/arch/arm/mach-omap2/iomap.h
+++ b/arch/arm/mach-omap2/iomap.h
@@ -22,12 +22,6 @@
  * 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 
-#ifdef __ASSEMBLER__
-#define IOMEM(x)		(x)
-#else
-#define IOMEM(x)		((void __force __iomem *)(x))
-#endif
-
 #define OMAP2_L3_IO_OFFSET	0x90000000
 #define OMAP2_L3_IO_ADDRESS(pa)	IOMEM((pa) + OMAP2_L3_IO_OFFSET) /* L3 */
 
diff --git a/arch/arm/mach-orion5x/common.h b/arch/arm/mach-orion5x/common.h
index d2513ac..2e6454c 100644
--- a/arch/arm/mach-orion5x/common.h
+++ b/arch/arm/mach-orion5x/common.h
@@ -57,5 +57,14 @@
 struct tag;
 extern void __init tag_fixup_mem32(struct tag *, char **, struct meminfo *);
 
+/*****************************************************************************
+ * Helpers to access Orion registers
+ ****************************************************************************/
+/*
+ * These are not preempt-safe.  Locks, if needed, must be taken
+ * care of by the caller.
+ */
+#define orion5x_setbits(r, mask)	writel(readl(r) | (mask), (r))
+#define orion5x_clrbits(r, mask)	writel(readl(r) & ~(mask), (r))
 
 #endif
diff --git a/arch/arm/mach-orion5x/include/mach/io.h b/arch/arm/mach-orion5x/include/mach/io.h
deleted file mode 100644
index e9d9afd..0000000
--- a/arch/arm/mach-orion5x/include/mach/io.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/*
- * arch/arm/mach-orion5x/include/mach/io.h
- *
- * Tzachi Perelstein <tzachi@marvell.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2.  This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __ASM_ARCH_IO_H
-#define __ASM_ARCH_IO_H
-
-#include "orion5x.h"
-
-#define IO_SPACE_LIMIT		0xffffffff
-
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-
-
-/*****************************************************************************
- * Helpers to access Orion registers
- ****************************************************************************/
-/*
- * These are not preempt-safe.  Locks, if needed, must be taken
- * care of by the caller.
- */
-#define orion5x_setbits(r, mask)	writel(readl(r) | (mask), (r))
-#define orion5x_clrbits(r, mask)	writel(readl(r) & ~(mask), (r))
-
-
-#endif
diff --git a/arch/arm/mach-orion5x/pci.c b/arch/arm/mach-orion5x/pci.c
index d6a9194..cb19e16 100644
--- a/arch/arm/mach-orion5x/pci.c
+++ b/arch/arm/mach-orion5x/pci.c
@@ -19,6 +19,7 @@
 #include <asm/mach/pci.h>
 #include <plat/pcie.h>
 #include <plat/addr-map.h>
+#include <mach/orion5x.h>
 #include "common.h"
 
 /*****************************************************************************
diff --git a/arch/arm/mach-orion5x/tsx09-common.c b/arch/arm/mach-orion5x/tsx09-common.c
index c9abb8f..7189827 100644
--- a/arch/arm/mach-orion5x/tsx09-common.c
+++ b/arch/arm/mach-orion5x/tsx09-common.c
@@ -15,6 +15,7 @@
 #include <linux/mv643xx_eth.h>
 #include <linux/timex.h>
 #include <linux/serial_reg.h>
+#include <mach/orion5x.h>
 #include "tsx09-common.h"
 #include "common.h"
 
diff --git a/arch/arm/mach-picoxcell/include/mach/io.h b/arch/arm/mach-picoxcell/include/mach/io.h
deleted file mode 100644
index 7573ec7..0000000
--- a/arch/arm/mach-picoxcell/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * Copyright (c) 2011 Picochip Ltd., Jamie Iles
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/* No ioports, but needed for driver compatibility. */
-#define __io(a)			__typesafe_io(a)
-/* No PCI possible on picoxcell. */
-#define __mem_pci(a)		(a)
-
-#endif /* __ASM_ARM_ARCH_IO_H */
diff --git a/arch/arm/mach-pnx4008/include/mach/io.h b/arch/arm/mach-pnx4008/include/mach/io.h
deleted file mode 100644
index cbf0904..0000000
--- a/arch/arm/mach-pnx4008/include/mach/io.h
+++ /dev/null
@@ -1,21 +0,0 @@
-
-/*
- *  arch/arm/mach-pnx4008/include/mach/io.h
- *
- * Author: Dmitry Chigirev <chigirev@ru.mvista.com>
- *
- * 2005 (c) MontaVista Software, Inc. This file is licensed under
- * the terms of the GNU General Public License version 2. This program
- * is licensed "as is" without any warranty of any kind, whether express
- * or implied.
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-prima2/include/mach/io.h b/arch/arm/mach-prima2/include/mach/io.h
deleted file mode 100644
index 6c31e9e..0000000
--- a/arch/arm/mach-prima2/include/mach/io.h
+++ /dev/null
@@ -1,16 +0,0 @@
-/*
- * arch/arm/mach-prima2/include/mach/io.h
- *
- * Copyright (c) 2011 Cambridge Silicon Radio Limited, a CSR plc group company.
- *
- * Licensed under GPLv2 or later.
- */
-
-#ifndef __MACH_PRIMA2_IO_H
-#define __MACH_PRIMA2_IO_H
-
-#define IO_SPACE_LIMIT ((resource_size_t)0)
-
-#define __mem_pci(a)            (a)
-
-#endif
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 61d3c72..109ccd2 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -108,6 +108,7 @@
 
 config MACH_ARMCORE
 	bool "CompuLab CM-X255/CM-X270 modules"
+	select ARCH_HAS_DMA_SET_COHERENT_MASK if PCI
 	select PXA27x
 	select IWMMXT
 	select PXA25x
diff --git a/arch/arm/mach-pxa/clock-pxa2xx.c b/arch/arm/mach-pxa/clock-pxa2xx.c
index 1d5859d..9ee2ad6 100644
--- a/arch/arm/mach-pxa/clock-pxa2xx.c
+++ b/arch/arm/mach-pxa/clock-pxa2xx.c
@@ -9,6 +9,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/syscore_ops.h>
 
 #include <mach/pxa2xx-regs.h>
diff --git a/arch/arm/mach-pxa/corgi_pm.c b/arch/arm/mach-pxa/corgi_pm.c
index 39e265c..048c429 100644
--- a/arch/arm/mach-pxa/corgi_pm.c
+++ b/arch/arm/mach-pxa/corgi_pm.c
@@ -19,6 +19,7 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/apm-emulation.h>
+#include <linux/io.h>
 
 #include <asm/irq.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-pxa/cpufreq-pxa3xx.c b/arch/arm/mach-pxa/cpufreq-pxa3xx.c
index 88fbec0..b85b4ab 100644
--- a/arch/arm/mach-pxa/cpufreq-pxa3xx.c
+++ b/arch/arm/mach-pxa/cpufreq-pxa3xx.c
@@ -15,6 +15,7 @@
 #include <linux/init.h>
 #include <linux/cpufreq.h>
 #include <linux/slab.h>
+#include <linux/io.h>
 
 #include <mach/pxa3xx-regs.h>
 
diff --git a/arch/arm/mach-pxa/include/mach/hardware.h b/arch/arm/mach-pxa/include/mach/hardware.h
index 8184669..56d92e5 100644
--- a/arch/arm/mach-pxa/include/mach/hardware.h
+++ b/arch/arm/mach-pxa/include/mach/hardware.h
@@ -40,7 +40,6 @@
 #define io_p2v(x) IOMEM(0xf2000000 + ((x) & 0x01ffffff) + (((x) & 0x1c000000) >> 1))
 
 #ifndef __ASSEMBLY__
-# define IOMEM(x) ((void __iomem *)(x))
 # define __REG(x)	(*((volatile u32 __iomem *)io_p2v(x)))
 
 /* With indexed regs we don't want to feed the index through io_p2v()
@@ -52,7 +51,6 @@
 
 #else
 
-# define IOMEM(x)	x 
 # define __REG(x)	io_p2v(x)
 # define __PREG(x)	io_v2p(x)
 
@@ -337,8 +335,4 @@
 extern unsigned long get_clock_tick_rate(void);
 #endif
 
-#if defined(CONFIG_MACH_ARMCORE) && defined(CONFIG_PCI)
-#define ARCH_HAS_DMA_SET_COHERENT_MASK
-#endif
-
 #endif  /* _ASM_ARCH_HARDWARE_H */
diff --git a/arch/arm/mach-pxa/include/mach/io.h b/arch/arm/mach-pxa/include/mach/io.h
deleted file mode 100644
index fdca3be..0000000
--- a/arch/arm/mach-pxa/include/mach/io.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-pxa/include/mach/io.h
- *
- * Copied from asm/arch/sa1100/io.h
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#include <mach/hardware.h>
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-pxa/mfp-pxa2xx.c b/arch/arm/mach-pxa/mfp-pxa2xx.c
index 29b62af..b0a8428 100644
--- a/arch/arm/mach-pxa/mfp-pxa2xx.c
+++ b/arch/arm/mach-pxa/mfp-pxa2xx.c
@@ -17,6 +17,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/syscore_ops.h>
 
 #include <mach/pxa2xx-regs.h>
diff --git a/arch/arm/mach-pxa/pxa2xx.c b/arch/arm/mach-pxa/pxa2xx.c
index 8682704..f8ec854 100644
--- a/arch/arm/mach-pxa/pxa2xx.c
+++ b/arch/arm/mach-pxa/pxa2xx.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 #include <mach/pxa2xx-regs.h>
diff --git a/arch/arm/mach-pxa/pxa300.c b/arch/arm/mach-pxa/pxa300.c
index 40bb165..17cbc0c 100644
--- a/arch/arm/mach-pxa/pxa300.c
+++ b/arch/arm/mach-pxa/pxa300.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/pxa300.h>
 
diff --git a/arch/arm/mach-pxa/pxa320.c b/arch/arm/mach-pxa/pxa320.c
index 8d614ec..6dc99d4 100644
--- a/arch/arm/mach-pxa/pxa320.c
+++ b/arch/arm/mach-pxa/pxa320.c
@@ -16,6 +16,7 @@
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/platform_device.h>
+#include <linux/io.h>
 
 #include <mach/pxa320.h>
 
diff --git a/arch/arm/mach-pxa/sharpsl_pm.c b/arch/arm/mach-pxa/sharpsl_pm.c
index 30989ba..bdf4cb8 100644
--- a/arch/arm/mach-pxa/sharpsl_pm.c
+++ b/arch/arm/mach-pxa/sharpsl_pm.c
@@ -24,6 +24,7 @@
 #include <linux/leds.h>
 #include <linux/suspend.h>
 #include <linux/gpio.h>
+#include <linux/io.h>
 
 #include <asm/mach-types.h>
 #include <mach/pm.h>
diff --git a/arch/arm/mach-realview/include/mach/hardware.h b/arch/arm/mach-realview/include/mach/hardware.h
index 8a638d1..281e71c 100644
--- a/arch/arm/mach-realview/include/mach/hardware.h
+++ b/arch/arm/mach-realview/include/mach/hardware.h
@@ -37,6 +37,6 @@
 #else
 #define IO_ADDRESS(x)		(x)
 #endif
-#define __io_address(n)		__io(IO_ADDRESS(n))
+#define __io_address(n)		IOMEM(IO_ADDRESS(n))
 
 #endif
diff --git a/arch/arm/mach-realview/include/mach/io.h b/arch/arm/mach-realview/include/mach/io.h
deleted file mode 100644
index f05bcdf..0000000
--- a/arch/arm/mach-realview/include/mach/io.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  arch/arm/mach-realview/include/mach/io.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-rpc/include/mach/hardware.h b/arch/arm/mach-rpc/include/mach/hardware.h
index 050d63c..257166b 100644
--- a/arch/arm/mach-rpc/include/mach/hardware.h
+++ b/arch/arm/mach-rpc/include/mach/hardware.h
@@ -14,12 +14,6 @@
 
 #include <mach/memory.h>
 
-#ifndef __ASSEMBLY__
-#define IOMEM(x) ((void __iomem *)(unsigned long)(x))
-#else
-#define IOMEM(x) x
-#endif /* __ASSEMBLY__ */
-
 /*
  * What hardware must be present
  */
diff --git a/arch/arm/mach-rpc/include/mach/io.h b/arch/arm/mach-rpc/include/mach/io.h
index 695f4ed..707071a 100644
--- a/arch/arm/mach-rpc/include/mach/io.h
+++ b/arch/arm/mach-rpc/include/mach/io.h
@@ -28,9 +28,4 @@
  */
 #define __io(a)		(PCIO_BASE + ((a) << 2))
 
-/*
- * 1:1 mapping for ioremapped regions.
- */
-#define __mem_pci(x)	(x)
-
 #endif
diff --git a/arch/arm/mach-s3c24xx/include/mach/io.h b/arch/arm/mach-s3c24xx/include/mach/io.h
index 118749f..5dd1db4 100644
--- a/arch/arm/mach-s3c24xx/include/mach/io.h
+++ b/arch/arm/mach-s3c24xx/include/mach/io.h
@@ -208,9 +208,4 @@
 #define outsw(p,d,l)	__raw_writesw(__ioaddr(p),d,l)
 #define outsl(p,d,l)	__raw_writesl(__ioaddr(p),d,l)
 
-/*
- * 1:1 mapping for ioremapped regions.
- */
-#define __mem_pci(x)	(x)
-
 #endif
diff --git a/arch/arm/mach-s3c64xx/include/mach/io.h b/arch/arm/mach-s3c64xx/include/mach/io.h
deleted file mode 100644
index de5716db..0000000
--- a/arch/arm/mach-s3c64xx/include/mach/io.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* arch/arm/mach-s3c64xxinclude/mach/io.h
- *
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben-linux@fluff.org>
- *
- * Default IO routines for S3C64XX based
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/* No current ISA/PCI bus support. */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#define IO_SPACE_LIMIT (0xFFFFFFFF)
-
-#endif
diff --git a/arch/arm/mach-s5p64x0/include/mach/io.h b/arch/arm/mach-s5p64x0/include/mach/io.h
deleted file mode 100644
index a3e095c..0000000
--- a/arch/arm/mach-s5p64x0/include/mach/io.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/* linux/arch/arm/mach-s5p64x0/include/mach/io.h
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com
- *
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben-linux@fluff.org>
- *
- * Default IO routines for S5P64X0 based
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/* No current ISA/PCI bus support. */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#define IO_SPACE_LIMIT (0xFFFFFFFF)
-
-#endif
diff --git a/arch/arm/mach-s5pc100/include/mach/io.h b/arch/arm/mach-s5pc100/include/mach/io.h
deleted file mode 100644
index 819acf5..0000000
--- a/arch/arm/mach-s5pc100/include/mach/io.h
+++ /dev/null
@@ -1,18 +0,0 @@
-/* arch/arm/mach-s5pc100/include/mach/io.h
- *
- * Copyright 2008 Simtec Electronics
- *	Ben Dooks <ben-linux@fluff.org>
- *
- * Default IO routines for S5PC100 systems
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/* No current ISA/PCI bus support. */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#define IO_SPACE_LIMIT (0xFFFFFFFF)
-
-#endif
diff --git a/arch/arm/mach-s5pv210/include/mach/io.h b/arch/arm/mach-s5pv210/include/mach/io.h
deleted file mode 100644
index 5ab9d56..0000000
--- a/arch/arm/mach-s5pv210/include/mach/io.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/* linux/arch/arm/mach-s5pv210/include/mach/io.h
- *
- * Copyright 2008-2010 Ben Dooks <ben-linux@fluff.org>
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *		http://www.samsung.com/
- *
- * Based on arch/arm/mach-s5p6442/include/mach/io.h
- *
- * Default IO routines for S5PV210
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
-*/
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H __FILE__
-
-/* No current ISA/PCI bus support. */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#define IO_SPACE_LIMIT (0xFFFFFFFF)
-
-#endif /* __ASM_ARM_ARCH_IO_H */
diff --git a/arch/arm/mach-sa1100/include/mach/io.h b/arch/arm/mach-sa1100/include/mach/io.h
deleted file mode 100644
index dfc27ff..0000000
--- a/arch/arm/mach-sa1100/include/mach/io.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-sa1100/include/mach/io.h
- *
- * Copyright (C) 1997-1999 Russell King
- *
- * Modifications:
- *  06-12-1997	RMK	Created.
- *  07-04-1999	RMK	Major cleanup
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-/*
- * __io() is required to be an equivalent mapping to __mem_pci() for
- * SOC_COMMON to work.
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-shark/include/mach/io.h b/arch/arm/mach-shark/include/mach/io.h
index 9ccbcec..1a45fc0 100644
--- a/arch/arm/mach-shark/include/mach/io.h
+++ b/arch/arm/mach-shark/include/mach/io.h
@@ -15,6 +15,4 @@
 
 #define __io(a)                 ((void __iomem *)(0xe0000000 + (a)))
 
-#define __mem_pci(addr) (addr)
-
 #endif
diff --git a/arch/arm/mach-shmobile/board-ag5evm.c b/arch/arm/mach-shmobile/board-ag5evm.c
index f915329..cb224a3 100644
--- a/arch/arm/mach-shmobile/board-ag5evm.c
+++ b/arch/arm/mach-shmobile/board-ag5evm.c
@@ -585,7 +585,7 @@
 
 #ifdef CONFIG_CACHE_L2X0
 	/* Shared attribute override enable, 64K*8way */
-	l2x0_init(__io(0xf0100000), 0x00460000, 0xc2000fff);
+	l2x0_init(IOMEM(0xf0100000), 0x00460000, 0xc2000fff);
 #endif
 	sh73a0_add_standard_devices();
 	platform_add_devices(ag5evm_devices, ARRAY_SIZE(ag5evm_devices));
diff --git a/arch/arm/mach-shmobile/board-bonito.c b/arch/arm/mach-shmobile/board-bonito.c
index a71ae80..81fd95f 100644
--- a/arch/arm/mach-shmobile/board-bonito.c
+++ b/arch/arm/mach-shmobile/board-bonito.c
@@ -371,7 +371,7 @@
 
 #ifdef CONFIG_CACHE_L2X0
 	/* Early BRESP enable, Shared attribute override enable, 32K*8way */
-	l2x0_init(__io(0xf0002000), 0x40440000, 0x82000fff);
+	l2x0_init(IOMEM(0xf0002000), 0x40440000, 0x82000fff);
 #endif
 
 	r8a7740_add_standard_devices();
diff --git a/arch/arm/mach-shmobile/board-kota2.c b/arch/arm/mach-shmobile/board-kota2.c
index 10e9e69..200dcd4 100644
--- a/arch/arm/mach-shmobile/board-kota2.c
+++ b/arch/arm/mach-shmobile/board-kota2.c
@@ -508,7 +508,7 @@
 
 #ifdef CONFIG_CACHE_L2X0
 	/* Early BRESP enable, Shared attribute override enable, 64K*8way */
-	l2x0_init(__io(0xf0100000), 0x40460000, 0x82000fff);
+	l2x0_init(IOMEM(0xf0100000), 0x40460000, 0x82000fff);
 #endif
 	sh73a0_add_standard_devices();
 	platform_add_devices(kota2_devices, ARRAY_SIZE(kota2_devices));
diff --git a/arch/arm/mach-shmobile/include/mach/io.h b/arch/arm/mach-shmobile/include/mach/io.h
deleted file mode 100644
index 7339fe4..0000000
--- a/arch/arm/mach-shmobile/include/mach/io.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef __ASM_MACH_IO_H
-#define __ASM_MACH_IO_H
-
-#define IO_SPACE_LIMIT		0xffffffff
-
-#define __io(a)			((void __iomem *)(a))
-#define __mem_pci(a)		(a)
-
-#endif /* __ASM_MACH_IO_H */
diff --git a/arch/arm/mach-shmobile/intc-r8a7779.c b/arch/arm/mach-shmobile/intc-r8a7779.c
index 5d92fcd..550b23d 100644
--- a/arch/arm/mach-shmobile/intc-r8a7779.c
+++ b/arch/arm/mach-shmobile/intc-r8a7779.c
@@ -42,8 +42,8 @@
 
 void __init r8a7779_init_irq(void)
 {
-	void __iomem *gic_dist_base = __io(0xf0001000);
-	void __iomem *gic_cpu_base = __io(0xf0000100);
+	void __iomem *gic_dist_base = IOMEM(0xf0001000);
+	void __iomem *gic_cpu_base = IOMEM(0xf0000100);
 
 	/* use GIC to handle interrupts */
 	gic_init(0, 29, gic_dist_base, gic_cpu_base);
diff --git a/arch/arm/mach-shmobile/intc-sh73a0.c b/arch/arm/mach-shmobile/intc-sh73a0.c
index 15b408f..ee44740 100644
--- a/arch/arm/mach-shmobile/intc-sh73a0.c
+++ b/arch/arm/mach-shmobile/intc-sh73a0.c
@@ -421,8 +421,8 @@
 
 void __init sh73a0_init_irq(void)
 {
-	void __iomem *gic_dist_base = __io(0xf0001000);
-	void __iomem *gic_cpu_base = __io(0xf0000100);
+	void __iomem *gic_dist_base = IOMEM(0xf0001000);
+	void __iomem *gic_cpu_base = IOMEM(0xf0000100);
 	void __iomem *intevtsa = ioremap_nocache(0xffd20100, PAGE_SIZE);
 	int k, n;
 
diff --git a/arch/arm/mach-shmobile/smp-r8a7779.c b/arch/arm/mach-shmobile/smp-r8a7779.c
index 9bb7b857..b62e19d 100644
--- a/arch/arm/mach-shmobile/smp-r8a7779.c
+++ b/arch/arm/mach-shmobile/smp-r8a7779.c
@@ -30,7 +30,7 @@
 #include <asm/smp_twd.h>
 #include <asm/hardware/gic.h>
 
-#define AVECR 0xfe700040
+#define AVECR IOMEM(0xfe700040)
 
 static struct r8a7779_pm_ch r8a7779_ch_cpu1 = {
 	.chan_offs = 0x40, /* PWRSR0 .. PWRER0 */
@@ -138,7 +138,7 @@
 	scu_enable(scu_base_addr());
 
 	/* Map the reset vector (in headsmp.S) */
-	__raw_writel(__pa(shmobile_secondary_vector), __io(AVECR));
+	__raw_writel(__pa(shmobile_secondary_vector), AVECR);
 
 	/* enable cache coherency on CPU0 */
 	modify_scu_cpu_psr(0, 3 << (cpu * 8));
diff --git a/arch/arm/mach-shmobile/smp-sh73a0.c b/arch/arm/mach-shmobile/smp-sh73a0.c
index c0a9093..14ad8b05 100644
--- a/arch/arm/mach-shmobile/smp-sh73a0.c
+++ b/arch/arm/mach-shmobile/smp-sh73a0.c
@@ -28,11 +28,11 @@
 #include <asm/smp_twd.h>
 #include <asm/hardware/gic.h>
 
-#define WUPCR		0xe6151010
-#define SRESCR		0xe6151018
-#define PSTR		0xe6151040
-#define SBAR            0xe6180020
-#define APARMBAREA      0xe6f10020
+#define WUPCR		IOMEM(0xe6151010)
+#define SRESCR		IOMEM(0xe6151018)
+#define PSTR		IOMEM(0xe6151040)
+#define SBAR		IOMEM(0xe6180020)
+#define APARMBAREA	IOMEM(0xe6f10020)
 
 static void __iomem *scu_base_addr(void)
 {
@@ -78,10 +78,10 @@
 	/* enable cache coherency */
 	modify_scu_cpu_psr(0, 3 << (cpu * 8));
 
-	if (((__raw_readl(__io(PSTR)) >> (4 * cpu)) & 3) == 3)
-		__raw_writel(1 << cpu, __io(WUPCR));	/* wake up */
+	if (((__raw_readl(PSTR) >> (4 * cpu)) & 3) == 3)
+		__raw_writel(1 << cpu, WUPCR);	/* wake up */
 	else
-		__raw_writel(1 << cpu, __io(SRESCR));	/* reset */
+		__raw_writel(1 << cpu, SRESCR);	/* reset */
 
 	return 0;
 }
@@ -93,8 +93,8 @@
 	scu_enable(scu_base_addr());
 
 	/* Map the reset vector (in headsmp.S) */
-	__raw_writel(0, __io(APARMBAREA));      /* 4k */
-	__raw_writel(__pa(shmobile_secondary_vector), __io(SBAR));
+	__raw_writel(0, APARMBAREA);      /* 4k */
+	__raw_writel(__pa(shmobile_secondary_vector), SBAR);
 
 	/* enable cache coherency on CPU0 */
 	modify_scu_cpu_psr(0, 3 << (cpu * 8));
diff --git a/arch/arm/mach-spear3xx/clock.c b/arch/arm/mach-spear3xx/clock.c
index f67860c..6c4841f 100644
--- a/arch/arm/mach-spear3xx/clock.c
+++ b/arch/arm/mach-spear3xx/clock.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <asm/mach-types.h>
 #include <plat/clock.h>
diff --git a/arch/arm/mach-spear3xx/include/mach/io.h b/arch/arm/mach-spear3xx/include/mach/io.h
deleted file mode 100644
index 30cff8a1..0000000
--- a/arch/arm/mach-spear3xx/include/mach/io.h
+++ /dev/null
@@ -1,19 +0,0 @@
-/*
- * arch/arm/mach-spear3xx/include/mach/io.h
- *
- * IO definitions for SPEAr3xx machine family
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#include <plat/io.h>
-
-#endif /* __MACH_IO_H */
diff --git a/arch/arm/mach-spear6xx/clock.c b/arch/arm/mach-spear6xx/clock.c
index 358f280..a86499a 100644
--- a/arch/arm/mach-spear6xx/clock.c
+++ b/arch/arm/mach-spear6xx/clock.c
@@ -12,6 +12,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/kernel.h>
 #include <plat/clock.h>
 #include <mach/misc_regs.h>
diff --git a/arch/arm/mach-spear6xx/include/mach/io.h b/arch/arm/mach-spear6xx/include/mach/io.h
deleted file mode 100644
index fb7c106..0000000
--- a/arch/arm/mach-spear6xx/include/mach/io.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- * arch/arm/mach-spear6xx/include/mach/io.h
- *
- * IO definitions for SPEAr6xx machine family
- *
- * Copyright (C) 2009 ST Microelectronics
- * Rajeev Kumar Kumar<rajeev-dlh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#include <plat/io.h>
-
-#endif	/* __MACH_IO_H */
-
diff --git a/arch/arm/mach-tegra/include/mach/debug-macro.S b/arch/arm/mach-tegra/include/mach/debug-macro.S
index 90069ab..8ce0661 100644
--- a/arch/arm/mach-tegra/include/mach/debug-macro.S
+++ b/arch/arm/mach-tegra/include/mach/debug-macro.S
@@ -26,7 +26,6 @@
 
 #include <linux/serial_reg.h>
 
-#include <mach/io.h>
 #include <mach/iomap.h>
 #include <mach/irammap.h>
 
diff --git a/arch/arm/mach-tegra/include/mach/io.h b/arch/arm/mach-tegra/include/mach/io.h
index f15deff..fe700f9 100644
--- a/arch/arm/mach-tegra/include/mach/io.h
+++ b/arch/arm/mach-tegra/include/mach/io.h
@@ -23,56 +23,8 @@
 
 #define IO_SPACE_LIMIT 0xffff
 
-/* On TEGRA, many peripherals are very closely packed in
- * two 256MB io windows (that actually only use about 64KB
- * at the start of each).
- *
- * We will just map the first 1MB of each window (to minimize
- * pt entries needed) and provide a macro to transform physical
- * io addresses to an appropriate void __iomem *.
- *
- */
-
-#ifdef __ASSEMBLY__
-#define IOMEM(x)	(x)
-#else
-#define IOMEM(x)	((void __force __iomem *)(x))
-#endif
-
-#define IO_IRAM_PHYS	0x40000000
-#define IO_IRAM_VIRT	IOMEM(0xFE400000)
-#define IO_IRAM_SIZE	SZ_256K
-
-#define IO_CPU_PHYS     0x50040000
-#define IO_CPU_VIRT     IOMEM(0xFE000000)
-#define IO_CPU_SIZE	SZ_16K
-
-#define IO_PPSB_PHYS	0x60000000
-#define IO_PPSB_VIRT	IOMEM(0xFE200000)
-#define IO_PPSB_SIZE	SZ_1M
-
-#define IO_APB_PHYS	0x70000000
-#define IO_APB_VIRT	IOMEM(0xFE300000)
-#define IO_APB_SIZE	SZ_1M
-
-#define IO_TO_VIRT_BETWEEN(p, st, sz)	((p) >= (st) && (p) < ((st) + (sz)))
-#define IO_TO_VIRT_XLATE(p, pst, vst)	(((p) - (pst) + (vst)))
-
-#define IO_TO_VIRT(n) ( \
-	IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ?		\
-		IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) :	\
-	IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ?		\
-		IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) :	\
-	IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ?		\
-		IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) :	\
-	IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ?		\
-		IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) :	\
-	NULL)
-
 #ifndef __ASSEMBLER__
 
-#define IO_ADDRESS(n) (IO_TO_VIRT(n))
-
 #ifdef CONFIG_TEGRA_PCI
 extern void __iomem *tegra_pcie_io_base;
 
@@ -88,7 +40,6 @@
 #endif
 
 #define __io(a)         __io(a)
-#define __mem_pci(a)    (a)
 
 #endif
 
diff --git a/arch/arm/mach-tegra/include/mach/iomap.h b/arch/arm/mach-tegra/include/mach/iomap.h
index cff672a..7e76da7 100644
--- a/arch/arm/mach-tegra/include/mach/iomap.h
+++ b/arch/arm/mach-tegra/include/mach/iomap.h
@@ -277,4 +277,46 @@
 # define TEGRA_DEBUG_UART_BASE TEGRA_UARTE_BASE
 #endif
 
+/* On TEGRA, many peripherals are very closely packed in
+ * two 256MB io windows (that actually only use about 64KB
+ * at the start of each).
+ *
+ * We will just map the first 1MB of each window (to minimize
+ * pt entries needed) and provide a macro to transform physical
+ * io addresses to an appropriate void __iomem *.
+ *
+ */
+
+#define IO_IRAM_PHYS	0x40000000
+#define IO_IRAM_VIRT	IOMEM(0xFE400000)
+#define IO_IRAM_SIZE	SZ_256K
+
+#define IO_CPU_PHYS     0x50040000
+#define IO_CPU_VIRT     IOMEM(0xFE000000)
+#define IO_CPU_SIZE	SZ_16K
+
+#define IO_PPSB_PHYS	0x60000000
+#define IO_PPSB_VIRT	IOMEM(0xFE200000)
+#define IO_PPSB_SIZE	SZ_1M
+
+#define IO_APB_PHYS	0x70000000
+#define IO_APB_VIRT	IOMEM(0xFE300000)
+#define IO_APB_SIZE	SZ_1M
+
+#define IO_TO_VIRT_BETWEEN(p, st, sz)	((p) >= (st) && (p) < ((st) + (sz)))
+#define IO_TO_VIRT_XLATE(p, pst, vst)	(((p) - (pst) + (vst)))
+
+#define IO_TO_VIRT(n) ( \
+	IO_TO_VIRT_BETWEEN((n), IO_PPSB_PHYS, IO_PPSB_SIZE) ?		\
+		IO_TO_VIRT_XLATE((n), IO_PPSB_PHYS, IO_PPSB_VIRT) :	\
+	IO_TO_VIRT_BETWEEN((n), IO_APB_PHYS, IO_APB_SIZE) ?		\
+		IO_TO_VIRT_XLATE((n), IO_APB_PHYS, IO_APB_VIRT) :	\
+	IO_TO_VIRT_BETWEEN((n), IO_CPU_PHYS, IO_CPU_SIZE) ?		\
+		IO_TO_VIRT_XLATE((n), IO_CPU_PHYS, IO_CPU_VIRT) :	\
+	IO_TO_VIRT_BETWEEN((n), IO_IRAM_PHYS, IO_IRAM_SIZE) ?		\
+		IO_TO_VIRT_XLATE((n), IO_IRAM_PHYS, IO_IRAM_VIRT) :	\
+	NULL)
+
+#define IO_ADDRESS(n) (IO_TO_VIRT(n))
+
 #endif
diff --git a/arch/arm/mach-tegra/io.c b/arch/arm/mach-tegra/io.c
index d23ee2d..58b4baf 100644
--- a/arch/arm/mach-tegra/io.c
+++ b/arch/arm/mach-tegra/io.c
@@ -26,6 +26,7 @@
 
 #include <asm/page.h>
 #include <asm/mach/map.h>
+#include <mach/iomap.h>
 
 #include "board.h"
 
diff --git a/arch/arm/mach-tegra/sleep.S b/arch/arm/mach-tegra/sleep.S
index 8f9fde1..5b20197 100644
--- a/arch/arm/mach-tegra/sleep.S
+++ b/arch/arm/mach-tegra/sleep.S
@@ -23,7 +23,9 @@
  */
 
 #include <linux/linkage.h>
-#include <mach/io.h>
+
+#include <asm/assembler.h>
+
 #include <mach/iomap.h>
 
 #include "flowctrl.h"
diff --git a/arch/arm/mach-u300/include/mach/io.h b/arch/arm/mach-u300/include/mach/io.h
deleted file mode 100644
index 5d6b4c1..0000000
--- a/arch/arm/mach-u300/include/mach/io.h
+++ /dev/null
@@ -1,20 +0,0 @@
-/*
- *
- * arch/arm/mach-u300/include/mach/io.h
- *
- *
- * Copyright (C) 2006-2009 ST-Ericsson AB
- * License terms: GNU General Public License (GPL) version 2
- * Dummy IO map for being able to use writew()/readw(),
- * writel()/readw() and similar accessor functions.
- * Author: Linus Walleij <linus.walleij@stericsson.com>
- */
-#ifndef __MACH_IO_H
-#define __MACH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-u300/include/mach/u300-regs.h b/arch/arm/mach-u300/include/mach/u300-regs.h
index 035fdc9..7b7cba9 100644
--- a/arch/arm/mach-u300/include/mach/u300-regs.h
+++ b/arch/arm/mach-u300/include/mach/u300-regs.h
@@ -18,12 +18,6 @@
  * the defines are used for setting up the I/O memory mapping.
  */
 
-#ifdef __ASSEMBLER__
-#define IOMEM(a) (a)
-#else
-#define IOMEM(a) (void __iomem *) a
-#endif
-
 /* NAND Flash CS0 */
 #define U300_NAND_CS0_PHYS_BASE		0x80000000
 
diff --git a/arch/arm/mach-ux500/include/mach/hardware.h b/arch/arm/mach-ux500/include/mach/hardware.h
index d93d6db..f846989 100644
--- a/arch/arm/mach-ux500/include/mach/hardware.h
+++ b/arch/arm/mach-ux500/include/mach/hardware.h
@@ -23,7 +23,7 @@
 	(((x) & 0x0fffffff) + (((x) >> 4) & 0x0f000000) + U8500_IO_VIRTUAL)
 
 /* typesafe io address */
-#define __io_address(n)		__io(IO_ADDRESS(n))
+#define __io_address(n)		IOMEM(IO_ADDRESS(n))
 /* Used by some plat-nomadik code */
 #define io_p2v(n)		__io_address(n)
 
diff --git a/arch/arm/mach-ux500/include/mach/io.h b/arch/arm/mach-ux500/include/mach/io.h
deleted file mode 100644
index 1cf3f44..0000000
--- a/arch/arm/mach-ux500/include/mach/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * arch/arm/mach-u8500/include/mach/io.h
- *
- * Copyright (C) 1997-1999 Russell King
- *
- * Modifications:
- *  06-12-1997	RMK	Created.
- *  07-04-1999	RMK	Major cleanup
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-/*
- * We don't actually have real ISA nor PCI buses, but there is so many
- * drivers out there that might just work if we fake them...
- */
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-versatile/include/mach/io.h b/arch/arm/mach-versatile/include/mach/io.h
deleted file mode 100644
index f067c14..0000000
--- a/arch/arm/mach-versatile/include/mach/io.h
+++ /dev/null
@@ -1,28 +0,0 @@
-/*
- *  arch/arm/mach-versatile/include/mach/io.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __io(a)		__typesafe_io(a)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-vexpress/include/mach/io.h b/arch/arm/mach-vexpress/include/mach/io.h
deleted file mode 100644
index 0088cd3..0000000
--- a/arch/arm/mach-vexpress/include/mach/io.h
+++ /dev/null
@@ -1,25 +0,0 @@
-/*
- *  arch/arm/mach-vexpress/include/mach/io.h
- *
- *  Copyright (C) 2003 ARM Limited
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-vt8500/include/mach/io.h b/arch/arm/mach-vt8500/include/mach/io.h
deleted file mode 100644
index 46181ee..0000000
--- a/arch/arm/mach-vt8500/include/mach/io.h
+++ /dev/null
@@ -1,26 +0,0 @@
-/*
- *  arch/arm/mach-vt8500/include/mach/io.h
- *
- *  Copyright (C) 2010 Alexey Charkov
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define __io(a)		__typesafe_io((a) + 0xf0000000)
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/mach-w90x900/include/mach/io.h b/arch/arm/mach-w90x900/include/mach/io.h
deleted file mode 100644
index d96ab99..0000000
--- a/arch/arm/mach-w90x900/include/mach/io.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * arch/arm/mach-w90x900/include/mach/io.h
- *
- * Copyright (c) 2008 Nuvoton technology corporation
- * All rights reserved.
- *
- * Wan ZongShun <mcuos.com@gmail.com>
- *
- * Based on arch/arm/mach-s3c2410/include/mach/io.h
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- */
-
-#ifndef __ASM_ARM_ARCH_IO_H
-#define __ASM_ARM_ARCH_IO_H
-
-#define IO_SPACE_LIMIT	0xffffffff
-
-/*
- * 1:1 mapping for ioremapped regions.
- */
-
-#define __mem_pci(a)	(a)
-#define __io(a)		__typesafe_io(a)
-
-#endif
diff --git a/arch/arm/mach-zynq/include/mach/io.h b/arch/arm/mach-zynq/include/mach/io.h
deleted file mode 100644
index 39d9885..0000000
--- a/arch/arm/mach-zynq/include/mach/io.h
+++ /dev/null
@@ -1,33 +0,0 @@
-/* arch/arm/mach-zynq/include/mach/io.h
- *
- *  Copyright (C) 2011 Xilinx
- *
- * This software is licensed under the terms of the GNU General Public
- * License version 2, as published by the Free Software Foundation, and
- * may be copied, distributed, and modified under those terms.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- */
-
-#ifndef __MACH_IO_H__
-#define __MACH_IO_H__
-
-/* Allow IO space to be anywhere in the memory */
-
-#define IO_SPACE_LIMIT 0xffff
-
-/* IO address mapping macros, nothing special at this time but required */
-
-#ifdef __ASSEMBLER__
-#define IOMEM(x)		(x)
-#else
-#define IOMEM(x)		((void __force __iomem *)(x))
-#endif
-
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-
-#endif
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 6780b49..4f55f50 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -308,11 +308,15 @@
 }
 EXPORT_SYMBOL(__arm_ioremap_pfn);
 
+void __iomem * (*arch_ioremap_caller)(unsigned long, size_t,
+				      unsigned int, void *) =
+	__arm_ioremap_caller;
+
 void __iomem *
 __arm_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
 {
-	return __arm_ioremap_caller(phys_addr, size, mtype,
-			__builtin_return_address(0));
+	return arch_ioremap_caller(phys_addr, size, mtype,
+		__builtin_return_address(0));
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
@@ -371,4 +375,11 @@
 
 	vunmap(addr);
 }
-EXPORT_SYMBOL(__iounmap);
+
+void (*arch_iounmap)(volatile void __iomem *) = __iounmap;
+
+void __arm_iounmap(volatile void __iomem *io_addr)
+{
+	arch_iounmap(io_addr);
+}
+EXPORT_SYMBOL(__arm_iounmap);
diff --git a/arch/arm/mm/nommu.c b/arch/arm/mm/nommu.c
index 4fc6794..6486d2f 100644
--- a/arch/arm/mm/nommu.c
+++ b/arch/arm/mm/nommu.c
@@ -86,13 +86,17 @@
 }
 EXPORT_SYMBOL(__arm_ioremap);
 
+void __iomem * (*arch_ioremap_caller)(unsigned long, size_t, unsigned int, void *);
+
 void __iomem *__arm_ioremap_caller(unsigned long phys_addr, size_t size,
 				   unsigned int mtype, void *caller)
 {
 	return __arm_ioremap(phys_addr, size, mtype);
 }
 
-void __iounmap(volatile void __iomem *addr)
+void (*arch_iounmap)(volatile void __iomem *);
+
+void __arm_iounmap(volatile void __iomem *addr)
 {
 }
-EXPORT_SYMBOL(__iounmap);
+EXPORT_SYMBOL(__arm_iounmap);
diff --git a/arch/arm/plat-mxc/include/mach/hardware.h b/arch/arm/plat-mxc/include/mach/hardware.h
index a599f01..0630513 100644
--- a/arch/arm/plat-mxc/include/mach/hardware.h
+++ b/arch/arm/plat-mxc/include/mach/hardware.h
@@ -22,11 +22,8 @@
 
 #include <asm/sizes.h>
 
-#ifdef __ASSEMBLER__
-#define IOMEM(addr)	(addr)
-#else
-#define IOMEM(addr)	((void __force __iomem *)(addr))
-#endif
+#define addr_in_module(addr, mod) \
+	((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE)
 
 #define IMX_IO_P2V_MODULE(addr, module)					\
 	(((addr) - module ## _BASE_ADDR) < module ## _SIZE ?		\
diff --git a/arch/arm/plat-mxc/include/mach/io.h b/arch/arm/plat-mxc/include/mach/io.h
deleted file mode 100644
index 338300b18..0000000
--- a/arch/arm/plat-mxc/include/mach/io.h
+++ /dev/null
@@ -1,39 +0,0 @@
-/*
- *  Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved.
- */
-
-/*
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-
-#ifndef __ASM_ARCH_MXC_IO_H__
-#define __ASM_ARCH_MXC_IO_H__
-
-/* Allow IO space to be anywhere in the memory */
-#define IO_SPACE_LIMIT 0xffffffff
-
-#define __arch_ioremap __imx_ioremap
-#define __arch_iounmap __iounmap
-
-#define addr_in_module(addr, mod) \
-	((unsigned long)(addr) - mod ## _BASE_ADDR < mod ## _SIZE)
-
-extern void __iomem *(*imx_ioremap)(unsigned long, size_t, unsigned int);
-
-static inline void __iomem *
-__imx_ioremap(unsigned long phys_addr, size_t size, unsigned int mtype)
-{
-	if (imx_ioremap != NULL)
-		return imx_ioremap(phys_addr, size, mtype);
-	else
-		return __arm_ioremap(phys_addr, size, mtype);
-}
-
-/* io address mapping macro */
-#define __io(a)		__typesafe_io(a)
-
-#define __mem_pci(a)	(a)
-
-#endif
diff --git a/arch/arm/plat-omap/include/plat/hardware.h b/arch/arm/plat-omap/include/plat/hardware.h
index 537b05a..e897978 100644
--- a/arch/arm/plat-omap/include/plat/hardware.h
+++ b/arch/arm/plat-omap/include/plat/hardware.h
@@ -43,12 +43,6 @@
 #endif
 #include <plat/serial.h>
 
-#ifdef __ASSEMBLER__
-#define IOMEM(x)		(x)
-#else
-#define IOMEM(x)		((void __force __iomem *)(x))
-#endif
-
 /*
  * ---------------------------------------------------------------------------
  * Common definitions for all OMAP processors
diff --git a/arch/arm/plat-omap/include/plat/sdrc.h b/arch/arm/plat-omap/include/plat/sdrc.h
index 925b12b..9bb978e 100644
--- a/arch/arm/plat-omap/include/plat/sdrc.h
+++ b/arch/arm/plat-omap/include/plat/sdrc.h
@@ -16,7 +16,6 @@
  * published by the Free Software Foundation.
  */
 
-#include <mach/io.h>
 
 /* SDRC register offsets - read/write with sdrc_{read,write}_reg() */
 
diff --git a/arch/arm/plat-omap/include/plat/usb.h b/arch/arm/plat-omap/include/plat/usb.h
index d0fc9f4..762eeb06 100644
--- a/arch/arm/plat-omap/include/plat/usb.h
+++ b/arch/arm/plat-omap/include/plat/usb.h
@@ -112,7 +112,6 @@
  */
 
 #define OMAP2_L4_IO_OFFSET	0xb2000000
-#define IOMEM(x)		((void __force __iomem *)(x))
 #define OMAP2_L4_IO_ADDRESS(pa)	IOMEM((pa) + OMAP2_L4_IO_OFFSET)
 
 static inline u8 omap_readb(u32 pa)
diff --git a/arch/arm/plat-spear/include/plat/hardware.h b/arch/arm/plat-spear/include/plat/hardware.h
index 66d6772..70187d7 100644
--- a/arch/arm/plat-spear/include/plat/hardware.h
+++ b/arch/arm/plat-spear/include/plat/hardware.h
@@ -14,10 +14,4 @@
 #ifndef __PLAT_HARDWARE_H
 #define __PLAT_HARDWARE_H
 
-#ifndef __ASSEMBLY__
-#define IOMEM(x)	((void __iomem __force *)(x))
-#else
-#define IOMEM(x)	(x)
-#endif
-
 #endif /* __PLAT_HARDWARE_H */
diff --git a/arch/arm/plat-spear/include/plat/io.h b/arch/arm/plat-spear/include/plat/io.h
deleted file mode 100644
index 4d4ba82..0000000
--- a/arch/arm/plat-spear/include/plat/io.h
+++ /dev/null
@@ -1,22 +0,0 @@
-/*
- * arch/arm/plat-spear/include/plat/io.h
- *
- * IO definitions for SPEAr platform
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#ifndef __PLAT_IO_H
-#define __PLAT_IO_H
-
-#define IO_SPACE_LIMIT		0xFFFFFFFF
-
-#define __io(a)			__typesafe_io(a)
-#define __mem_pci(a)		(a)
-
-#endif /* __PLAT_IO_H */
diff --git a/drivers/media/video/davinci/vpbe_osd.c b/drivers/media/video/davinci/vpbe_osd.c
index d6488b7..bba299d 100644
--- a/drivers/media/video/davinci/vpbe_osd.c
+++ b/drivers/media/video/davinci/vpbe_osd.c
@@ -28,7 +28,6 @@
 #include <linux/clk.h>
 #include <linux/slab.h>
 
-#include <mach/io.h>
 #include <mach/cputype.h>
 #include <mach/hardware.h>
 
diff --git a/drivers/media/video/davinci/vpbe_venc.c b/drivers/media/video/davinci/vpbe_venc.c
index 00e80f5..b21ecc8 100644
--- a/drivers/media/video/davinci/vpbe_venc.c
+++ b/drivers/media/video/davinci/vpbe_venc.c
@@ -27,7 +27,6 @@
 
 #include <mach/hardware.h>
 #include <mach/mux.h>
-#include <mach/io.h>
 #include <mach/i2c.h>
 
 #include <linux/io.h>
diff --git a/drivers/rtc/rtc-sa1100.c b/drivers/rtc/rtc-sa1100.c
index 4940fa8..50a5c4a 100644
--- a/drivers/rtc/rtc-sa1100.c
+++ b/drivers/rtc/rtc-sa1100.c
@@ -33,6 +33,7 @@
 #include <linux/of.h>
 #include <linux/pm.h>
 #include <linux/bitops.h>
+#include <linux/io.h>
 
 #include <mach/hardware.h>
 #include <mach/irqs.h>
diff --git a/drivers/video/omap2/vrfb.c b/drivers/video/omap2/vrfb.c
index fd22716..4e5b960 100644
--- a/drivers/video/omap2/vrfb.c
+++ b/drivers/video/omap2/vrfb.c
@@ -27,7 +27,6 @@
 #include <linux/bitops.h>
 #include <linux/mutex.h>
 
-#include <mach/io.h>
 #include <plat/vrfb.h>
 #include <plat/sdrc.h>
 
diff --git a/drivers/watchdog/sa1100_wdt.c b/drivers/watchdog/sa1100_wdt.c
index d54e04d..54984de 100644
--- a/drivers/watchdog/sa1100_wdt.c
+++ b/drivers/watchdog/sa1100_wdt.c
@@ -28,6 +28,7 @@
 #include <linux/miscdevice.h>
 #include <linux/watchdog.h>
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/bitops.h>
 #include <linux/uaccess.h>
 #include <linux/timex.h>
diff --git a/include/linux/dma-mapping.h b/include/linux/dma-mapping.h
index e13117c..5a736af 100644
--- a/include/linux/dma-mapping.h
+++ b/include/linux/dma-mapping.h
@@ -77,7 +77,7 @@
 	return DMA_BIT_MASK(32);
 }
 
-#ifdef ARCH_HAS_DMA_SET_COHERENT_MASK
+#ifdef CONFIG_ARCH_HAS_DMA_SET_COHERENT_MASK
 int dma_set_coherent_mask(struct device *dev, u64 mask);
 #else
 static inline int dma_set_coherent_mask(struct device *dev, u64 mask)
diff --git a/sound/arm/pxa2xx-ac97-lib.c b/sound/arm/pxa2xx-ac97-lib.c
index 0e9e822..48d7c0a 100644
--- a/sound/arm/pxa2xx-ac97-lib.c
+++ b/sound/arm/pxa2xx-ac97-lib.c
@@ -17,6 +17,7 @@
 #include <linux/clk.h>
 #include <linux/delay.h>
 #include <linux/module.h>
+#include <linux/io.h>
 
 #include <sound/ac97_codec.h>
 #include <sound/pxa2xx-lib.h>
diff --git a/sound/arm/pxa2xx-ac97.c b/sound/arm/pxa2xx-ac97.c
index 3a39626..afef72c 100644
--- a/sound/arm/pxa2xx-ac97.c
+++ b/sound/arm/pxa2xx-ac97.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
diff --git a/sound/soc/pxa/pxa2xx-ac97.c b/sound/soc/pxa/pxa2xx-ac97.c
index 4800d5f..06ea274 100644
--- a/sound/soc/pxa/pxa2xx-ac97.c
+++ b/sound/soc/pxa/pxa2xx-ac97.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/init.h>
+#include <linux/io.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>