diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index ea73acc1280d..c32064de77d8 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -239,13 +239,6 @@ config ARM_PATCH_PHYS_VIRT
 	  this feature (eg, building a kernel for a single machine) and
 	  you need to shrink the kernel to the minimal size.
 
-config NEED_MACH_GPIO_H
-	bool
-	help
-	  Select this when mach/gpio.h is required to provide special
-	  definitions for this platform. The need for mach/gpio.h should
-	  be avoided when possible.
-
 config NEED_MACH_IO_H
 	bool
 	help
@@ -770,7 +763,6 @@ config ARCH_S5PV210
 	select HAVE_S3C2410_I2C if I2C
 	select HAVE_S3C2410_WATCHDOG if WATCHDOG
 	select HAVE_S3C_RTC if RTC_CLASS
-	select NEED_MACH_GPIO_H
 	select NEED_MACH_MEMORY_H
 	select SAMSUNG_ATAGS
 	help
diff --git a/arch/arm/include/asm/gpio.h b/arch/arm/include/asm/gpio.h
index 477e0206e016..504dcddebfcc 100644
--- a/arch/arm/include/asm/gpio.h
+++ b/arch/arm/include/asm/gpio.h
@@ -5,12 +5,6 @@
 #define ARCH_NR_GPIOS CONFIG_ARCH_NR_GPIO
 #endif
 
-/* not all ARM platforms necessarily support this API ... */
-#ifdef CONFIG_NEED_MACH_GPIO_H
-#include <mach/gpio.h>
-#endif
-
-#ifndef __ARM_GPIOLIB_COMPLEX
 /* Note: this may rely upon the value of ARCH_NR_GPIOS set in mach/gpio.h */
 #include <asm-generic/gpio.h>
 
@@ -18,7 +12,6 @@
 #define gpio_get_value  __gpio_get_value
 #define gpio_set_value  __gpio_set_value
 #define gpio_cansleep   __gpio_cansleep
-#endif
 
 /*
  * Provide a default gpio_to_irq() which should satisfy every case.
diff --git a/arch/arm/mach-s5pv210/dev-audio.c b/arch/arm/mach-s5pv210/dev-audio.c
index 2d67361ef431..90356ad10c54 100644
--- a/arch/arm/mach-s5pv210/dev-audio.c
+++ b/arch/arm/mach-s5pv210/dev-audio.c
@@ -10,7 +10,6 @@
 
 #include <linux/platform_device.h>
 #include <linux/dma-mapping.h>
-#include <linux/gpio.h>
 
 #include <plat/gpio-cfg.h>
 #include <linux/platform_data/asoc-s3c.h>
@@ -18,6 +17,7 @@
 #include <mach/map.h>
 #include <mach/dma.h>
 #include <mach/irqs.h>
+#include <mach/gpio-samsung.h>
 
 #define S5PV210_AUDSS_INT_MEM	(0xC0000000)
 
diff --git a/arch/arm/mach-s5pv210/include/mach/gpio.h b/arch/arm/mach-s5pv210/include/mach/gpio-samsung.h
similarity index 96%
rename from arch/arm/mach-s5pv210/include/mach/gpio.h
rename to arch/arm/mach-s5pv210/include/mach/gpio-samsung.h
index 6c8b903c02e4..e193b891e7b2 100644
--- a/arch/arm/mach-s5pv210/include/mach/gpio.h
+++ b/arch/arm/mach-s5pv210/include/mach/gpio-samsung.h
@@ -1,5 +1,4 @@
-/* linux/arch/arm/mach-s5pv210/include/mach/gpio.h
- *
+/*
  * Copyright (c) 2010 Samsung Electronics Co., Ltd.
  *		http://www.samsung.com/
  *
@@ -133,8 +132,4 @@ enum s5p_gpio_number {
 #define S5PV210_GPIO_END	(S5PV210_MP05(S5PV210_GPIO_MP05_NR) + 1)
 #define S3C_GPIO_END		S5PV210_GPIO_END
 
-/* define the number of gpios we need to the one after the MP05() range */
-#define ARCH_NR_GPIOS		(S5PV210_MP05(S5PV210_GPIO_MP05_NR) +	\
-				 CONFIG_SAMSUNG_GPIO_EXTRA + 1)
-
 #endif /* __ASM_ARCH_GPIO_H */
diff --git a/arch/arm/mach-s5pv210/mach-aquila.c b/arch/arm/mach-s5pv210/mach-aquila.c
index cc37edacda26..4262d8ff1988 100644
--- a/arch/arm/mach-s5pv210/mach-aquila.c
+++ b/arch/arm/mach-s5pv210/mach-aquila.c
@@ -31,6 +31,7 @@
 #include <video/samsung_fimd.h>
 #include <mach/map.h>
 #include <mach/regs-clock.h>
+#include <mach/gpio-samsung.h>
 
 #include <plat/gpio-cfg.h>
 #include <plat/devs.h>
diff --git a/arch/arm/mach-s5pv210/mach-goni.c b/arch/arm/mach-s5pv210/mach-goni.c
index c1ce921c4088..096a8173a1d9 100644
--- a/arch/arm/mach-s5pv210/mach-goni.c
+++ b/arch/arm/mach-s5pv210/mach-goni.c
@@ -38,6 +38,7 @@
 #include <video/samsung_fimd.h>
 #include <mach/map.h>
 #include <mach/regs-clock.h>
+#include <mach/gpio-samsung.h>
 
 #include <plat/gpio-cfg.h>
 #include <plat/devs.h>
diff --git a/arch/arm/mach-s5pv210/mach-smdkv210.c b/arch/arm/mach-s5pv210/mach-smdkv210.c
index 2a6655fb63e7..a146089c9ee6 100644
--- a/arch/arm/mach-s5pv210/mach-smdkv210.c
+++ b/arch/arm/mach-s5pv210/mach-smdkv210.c
@@ -32,6 +32,7 @@
 
 #include <mach/map.h>
 #include <mach/regs-clock.h>
+#include <mach/gpio-samsung.h>
 
 #include <plat/regs-srom.h>
 #include <plat/gpio-cfg.h>
diff --git a/arch/arm/mach-s5pv210/setup-fb-24bpp.c b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
index 55103c8220b3..815e329f70c4 100644
--- a/arch/arm/mach-s5pv210/setup-fb-24bpp.c
+++ b/arch/arm/mach-s5pv210/setup-fb-24bpp.c
@@ -13,12 +13,12 @@
 #include <linux/kernel.h>
 #include <linux/types.h>
 #include <linux/fb.h>
-#include <linux/gpio.h>
 
 #include <mach/map.h>
 #include <plat/fb.h>
 #include <mach/regs-clock.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 static void s5pv210_fb_cfg_gpios(unsigned int base, unsigned int nr)
 {
diff --git a/arch/arm/mach-s5pv210/setup-fimc.c b/arch/arm/mach-s5pv210/setup-fimc.c
index 54cc5b11be0b..36945ec437f8 100644
--- a/arch/arm/mach-s5pv210/setup-fimc.c
+++ b/arch/arm/mach-s5pv210/setup-fimc.c
@@ -8,9 +8,10 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/gpio.h>
+#include <linux/kernel.h>
 #include <plat/gpio-cfg.h>
 #include <plat/camport.h>
+#include <mach/gpio-samsung.h>
 
 int s5pv210_fimc_setup_gpio(enum s5p_camport_id id)
 {
diff --git a/arch/arm/mach-s5pv210/setup-i2c0.c b/arch/arm/mach-s5pv210/setup-i2c0.c
index 4a15849766c0..b0f2b69ac743 100644
--- a/arch/arm/mach-s5pv210/setup-i2c0.c
+++ b/arch/arm/mach-s5pv210/setup-i2c0.c
@@ -14,12 +14,12 @@
 
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/gpio.h>
 
 struct platform_device; /* don't need the contents */
 
 #include <linux/platform_data/i2c-s3c2410.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 void s3c_i2c0_cfg_gpio(struct platform_device *dev)
 {
diff --git a/arch/arm/mach-s5pv210/setup-i2c1.c b/arch/arm/mach-s5pv210/setup-i2c1.c
index 4777f6b97a92..aac1da7b9071 100644
--- a/arch/arm/mach-s5pv210/setup-i2c1.c
+++ b/arch/arm/mach-s5pv210/setup-i2c1.c
@@ -14,12 +14,12 @@
 
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/gpio.h>
 
 struct platform_device; /* don't need the contents */
 
 #include <linux/platform_data/i2c-s3c2410.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 void s3c_i2c1_cfg_gpio(struct platform_device *dev)
 {
diff --git a/arch/arm/mach-s5pv210/setup-i2c2.c b/arch/arm/mach-s5pv210/setup-i2c2.c
index bbce6c74b915..eff4503b903f 100644
--- a/arch/arm/mach-s5pv210/setup-i2c2.c
+++ b/arch/arm/mach-s5pv210/setup-i2c2.c
@@ -14,12 +14,12 @@
 
 #include <linux/kernel.h>
 #include <linux/types.h>
-#include <linux/gpio.h>
 
 struct platform_device; /* don't need the contents */
 
 #include <linux/platform_data/i2c-s3c2410.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 void s3c_i2c2_cfg_gpio(struct platform_device *dev)
 {
diff --git a/arch/arm/mach-s5pv210/setup-ide.c b/arch/arm/mach-s5pv210/setup-ide.c
index ea123d546bd2..5b6042d97892 100644
--- a/arch/arm/mach-s5pv210/setup-ide.c
+++ b/arch/arm/mach-s5pv210/setup-ide.c
@@ -11,9 +11,9 @@
 */
 
 #include <linux/kernel.h>
-#include <linux/gpio.h>
 
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 static void s5pv210_ide_cfg_gpios(unsigned int base, unsigned int nr)
 {
diff --git a/arch/arm/mach-s5pv210/setup-keypad.c b/arch/arm/mach-s5pv210/setup-keypad.c
index c56420a52f48..faf6178f3a1b 100644
--- a/arch/arm/mach-s5pv210/setup-keypad.c
+++ b/arch/arm/mach-s5pv210/setup-keypad.c
@@ -11,8 +11,8 @@
  *
  */
 
-#include <linux/gpio.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 void samsung_keypad_cfg_gpio(unsigned int rows, unsigned int cols)
 {
diff --git a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c
index 0512ada00522..0dd055b47579 100644
--- a/arch/arm/mach-s5pv210/setup-sdhci-gpio.c
+++ b/arch/arm/mach-s5pv210/setup-sdhci-gpio.c
@@ -15,12 +15,12 @@
 #include <linux/interrupt.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
-#include <linux/gpio.h>
 #include <linux/mmc/host.h>
 #include <linux/mmc/card.h>
 
 #include <plat/gpio-cfg.h>
 #include <plat/sdhci.h>
+#include <mach/gpio-samsung.h>
 
 void s5pv210_setup_sdhci0_cfg_gpio(struct platform_device *dev, int width)
 {
diff --git a/arch/arm/mach-s5pv210/setup-spi.c b/arch/arm/mach-s5pv210/setup-spi.c
index 81aecc162f82..e1faf8ea4502 100644
--- a/arch/arm/mach-s5pv210/setup-spi.c
+++ b/arch/arm/mach-s5pv210/setup-spi.c
@@ -8,8 +8,8 @@
  * published by the Free Software Foundation.
  */
 
-#include <linux/gpio.h>
 #include <plat/gpio-cfg.h>
+#include <mach/gpio-samsung.h>
 
 #ifdef CONFIG_S3C64XX_DEV_SPI0
 int s3c64xx_spi0_cfg_gpio(void)
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index 1c629c2c270f..6910c8669742 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -107,22 +107,6 @@ config S5P_GPIO_DRVSTR
 	  Internal configuration to get and set correct GPIO driver strength
 	  helper
 
-config SAMSUNG_GPIO_EXTRA
-	int "Number of additional GPIO pins"
-	default 128 if SAMSUNG_GPIO_EXTRA128
-	default 64 if SAMSUNG_GPIO_EXTRA64
-	default 0
-	help
-	  Use additional GPIO space in addition to the GPIO's the SOC
-	  provides. This allows expanding the GPIO space for use with
-	  GPIO expanders.
-
-config SAMSUNG_GPIO_EXTRA64
-	bool
-
-config SAMSUNG_GPIO_EXTRA128
-	bool
-
 config S3C_GPIO_SPACE
 	int "Space between gpio banks"
 	default 0
diff --git a/arch/arm/plat-samsung/include/plat/gpio-core.h b/arch/arm/plat-samsung/include/plat/gpio-core.h
index cf5aae5b0975..6ce11bfdc37e 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-core.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-core.h
@@ -14,6 +14,9 @@
 #ifndef __PLAT_SAMSUNG_GPIO_CORE_H
 #define __PLAT_SAMSUNG_GPIO_CORE_H
 
+/* Bring in machine-local definitions, especially S3C_GPIO_END */
+#include <mach/gpio-samsung.h>
+
 #define GPIOCON_OFF	(0x00)
 #define GPIODAT_OFF	(0x04)
 
diff --git a/arch/arm/plat-samsung/pm-gpio.c b/arch/arm/plat-samsung/pm-gpio.c
index da268813901b..adc91662f72b 100644
--- a/arch/arm/plat-samsung/pm-gpio.c
+++ b/arch/arm/plat-samsung/pm-gpio.c
@@ -19,9 +19,7 @@
 #include <linux/io.h>
 #include <linux/gpio.h>
 
-#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S3C64XX)
 #include <mach/gpio-samsung.h>
-#endif
 
 #include <plat/gpio-core.h>
 #include <plat/pm.h>
diff --git a/arch/arm/plat-samsung/s5p-irq-eint.c b/arch/arm/plat-samsung/s5p-irq-eint.c
index ebee4dc11a94..dcd8c2cbf5bb 100644
--- a/arch/arm/plat-samsung/s5p-irq-eint.c
+++ b/arch/arm/plat-samsung/s5p-irq-eint.c
@@ -14,7 +14,6 @@
 #include <linux/irq.h>
 #include <linux/io.h>
 #include <linux/device.h>
-#include <linux/gpio.h>
 #include <linux/irqchip/arm-vic.h>
 #include <linux/of.h>
 
@@ -26,6 +25,7 @@
 
 #include <plat/gpio-cfg.h>
 #include <mach/regs-gpio.h>
+#include <mach/gpio-samsung.h>
 
 static inline void s5p_irq_eint_mask(struct irq_data *data)
 {
diff --git a/drivers/gpio/gpio-samsung.c b/drivers/gpio/gpio-samsung.c
index 7d4281e0d901..d9cff026827e 100644
--- a/drivers/gpio/gpio-samsung.c
+++ b/drivers/gpio/gpio-samsung.c
@@ -32,10 +32,7 @@
 
 #include <mach/map.h>
 #include <mach/regs-gpio.h>
-
-#if defined(CONFIG_ARCH_S3C24XX) || defined(CONFIG_ARCH_S3C64XX)
 #include <mach/gpio-samsung.h>
-#endif
 
 #include <plat/cpu.h>
 #include <plat/gpio-core.h>
diff --git a/sound/soc/samsung/goni_wm8994.c b/sound/soc/samsung/goni_wm8994.c
index 9506d7617223..3b527dcfc0aa 100644
--- a/sound/soc/samsung/goni_wm8994.c
+++ b/sound/soc/samsung/goni_wm8994.c
@@ -16,7 +16,7 @@
 #include <sound/jack.h>
 
 #include <asm/mach-types.h>
-#include <mach/gpio.h>
+#include <mach/gpio-samsung.h>
 
 #include "../codecs/wm8994.h"