Merge tag 'cleanup-samsung-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into next/cleanup

From Kukjin Kim <kgene.kim@samsung.com>:

cleanup unused codes for samsung

* tag 'cleanup-samsung-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: EXYNOS: remove "config EXYNOS_DEV_DRM"
  ARM: EXYNOS: change the name of USB ohci header
  ARM: SAMSUNG: Remove unnecessary code for dma
  ARM: S3C24XX: Remove unused GPIO drive strength register definitions
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2412
  ARM: S3C24XX: Removed unneeded dependency on CPU_S3C2410
  ARM: S3C24XX: Removed unneeded dependency on ARCH_S3C24XX for boards
  ARM: SAMSUNG: Fix typo "CONFIG_SAMSUNG_DEV_RTC"
  ARM: S5P64X0: Fix typo "CONFIG_S5P64X0_SETUP_SDHCI"
  ARM: S3C64XX: remove obsolete Makefile line
  ARM: S3C24XX: remove unneeded "config SMDK2440_CPU2442"
  ARM: SAMSUNG: Remove useless Samsung GPIO related CONFIG
  ARM: SAMSUNG: remove "config S3C_BOOT_WATCHDOG"
  ARM: EXYNOS: change HAVE_SAMSUNG_KEYPAD to KEYBOARD_SAMSUNG
  ARM: EXYNOS: remove duplicated include from common.c
  ARM: EXYNOS: drop "select HAVE_SCHED_CLOCK"
  ARM: S3C24XX: drop "select MACH_NEO1973"
  ARM: S3C24XX: drop "select MACH_N35"

Signed-off-by: Arnd Bergmann <arnd@arndb.de>

19 files changed, 20 insertions, 264 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 2e4386cba23..adbbee7e97f 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -1175,7 +1175,6 @@ config PLAT_VERSATILE
 config ARM_TIMER_SP804
 	bool
 	select CLKSRC_MMIO
-	select HAVE_SCHED_CLOCK
 
 source arch/arm/mm/Kconfig
 
diff --git a/arch/arm/mach-exynos/Kconfig b/arch/arm/mach-exynos/Kconfig
index 70f94c87479..0a6c127f834 100644
--- a/arch/arm/mach-exynos/Kconfig
+++ b/arch/arm/mach-exynos/Kconfig
@@ -95,11 +95,6 @@ config EXYNOS4_DEV_AHCI
 	help
 	  Compile in platform device definitions for AHCI
 
-config EXYNOS_DEV_DRM
-	bool
-	help
-	  Compile in platform device definitions for core DRM device
-
 config EXYNOS4_SETUP_FIMD0
 	bool
 	help
@@ -199,7 +194,6 @@ config MACH_SMDKV310
 	select EXYNOS4_SETUP_SDHCI
 	select EXYNOS4_SETUP_USB_PHY
 	select EXYNOS_DEV_DMA
-	select EXYNOS_DEV_DRM
 	select EXYNOS_DEV_SYSMMU
 	select S3C24XX_PWM
 	select S3C_DEV_HSMMC
@@ -253,9 +247,7 @@ config MACH_UNIVERSAL_C210
 	select EXYNOS4_SETUP_SDHCI
 	select EXYNOS4_SETUP_USB_PHY
 	select EXYNOS_DEV_DMA
-	select EXYNOS_DEV_DRM
 	select EXYNOS_DEV_SYSMMU
-	select HAVE_SCHED_CLOCK
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
@@ -294,7 +286,6 @@ config MACH_NURI
 	select EXYNOS4_SETUP_SDHCI
 	select EXYNOS4_SETUP_USB_PHY
 	select EXYNOS_DEV_DMA
-	select EXYNOS_DEV_DRM
 	select S3C_DEV_HSMMC
 	select S3C_DEV_HSMMC2
 	select S3C_DEV_HSMMC3
@@ -330,7 +321,6 @@ config MACH_ORIGEN
 	select EXYNOS4_SETUP_SDHCI
 	select EXYNOS4_SETUP_USB_PHY
 	select EXYNOS_DEV_DMA
-	select EXYNOS_DEV_DRM
 	select EXYNOS_DEV_SYSMMU
 	select S3C24XX_PWM
 	select S3C_DEV_HSMMC
@@ -366,7 +356,6 @@ config MACH_SMDK4212
 	select EXYNOS4_SETUP_SDHCI
 	select EXYNOS4_SETUP_USB_PHY
 	select EXYNOS_DEV_DMA
-	select EXYNOS_DEV_DRM
 	select EXYNOS_DEV_SYSMMU
 	select S3C24XX_PWM
 	select S3C_DEV_HSMMC2
@@ -407,7 +396,7 @@ config MACH_EXYNOS4_DT
 	depends on ARCH_EXYNOS4
 	select ARM_AMBA
 	select CPU_EXYNOS4210
-	select HAVE_SAMSUNG_KEYPAD if INPUT_KEYBOARD
+	select KEYBOARD_SAMSUNG if INPUT_KEYBOARD
 	select PINCTRL
 	select PINCTRL_EXYNOS
 	select USE_OF
diff --git a/arch/arm/mach-exynos/common.c b/arch/arm/mach-exynos/common.c
index 7bc0f9aa8b3..1b0fa7afc7f 100644
--- a/arch/arm/mach-exynos/common.c
+++ b/arch/arm/mach-exynos/common.c
@@ -23,7 +23,6 @@
 #include <linux/of_irq.h>
 #include <linux/export.h>
 #include <linux/irqdomain.h>
-#include <linux/irqchip.h>
 #include <linux/of_address.h>
 #include <linux/irqchip/arm-gic.h>
 #include <linux/irqchip/chained_irq.h>
diff --git a/arch/arm/mach-exynos/dev-ohci.c b/arch/arm/mach-exynos/dev-ohci.c
index 4244d02dafb..d5bc129e6bb 100644
--- a/arch/arm/mach-exynos/dev-ohci.c
+++ b/arch/arm/mach-exynos/dev-ohci.c
@@ -12,7 +12,7 @@
 
 #include <linux/dma-mapping.h>
 #include <linux/platform_device.h>
-#include <linux/platform_data/usb-exynos.h>
+#include <linux/platform_data/usb-ohci-exynos.h>
 
 #include <mach/irqs.h>
 #include <mach/map.h>
diff --git a/arch/arm/mach-exynos/mach-origen.c b/arch/arm/mach-exynos/mach-origen.c
index 579d2d171da..bf946931ab3 100644
--- a/arch/arm/mach-exynos/mach-origen.c
+++ b/arch/arm/mach-exynos/mach-origen.c
@@ -26,7 +26,7 @@
 #include <linux/platform_data/i2c-s3c2410.h>
 #include <linux/platform_data/s3c-hsotg.h>
 #include <linux/platform_data/usb-ehci-s5p.h>
-#include <linux/platform_data/usb-exynos.h>
+#include <linux/platform_data/usb-ohci-exynos.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-exynos/mach-smdkv310.c b/arch/arm/mach-exynos/mach-smdkv310.c
index d71672922b1..8270929d7b4 100644
--- a/arch/arm/mach-exynos/mach-smdkv310.c
+++ b/arch/arm/mach-exynos/mach-smdkv310.c
@@ -23,7 +23,7 @@
 #include <linux/platform_data/i2c-s3c2410.h>
 #include <linux/platform_data/s3c-hsotg.h>
 #include <linux/platform_data/usb-ehci-s5p.h>
-#include <linux/platform_data/usb-exynos.h>
+#include <linux/platform_data/usb-ohci-exynos.h>
 
 #include <asm/mach/arch.h>
 #include <asm/mach-types.h>
diff --git a/arch/arm/mach-s3c24xx/Kconfig b/arch/arm/mach-s3c24xx/Kconfig
index 37f513d1588..8d5fa6ece01 100644
--- a/arch/arm/mach-s3c24xx/Kconfig
+++ b/arch/arm/mach-s3c24xx/Kconfig
@@ -36,7 +36,6 @@ config CPU_S3C2410
 
 config CPU_S3C2412
 	bool "SAMSUNG S3C2412"
-	depends on ARCH_S3C24XX
 	select CPU_ARM926T
 	select CPU_LLSERIAL_S3C2440
 	select S3C2412_DMA if S3C24XX_DMA
@@ -46,7 +45,6 @@ config CPU_S3C2412
 
 config CPU_S3C2416
 	bool "SAMSUNG S3C2416/S3C2450"
-	depends on ARCH_S3C24XX
 	select CPU_ARM926T
 	select CPU_LLSERIAL_S3C2440
 	select S3C2416_PM if PM
@@ -81,7 +79,6 @@ config CPU_S3C244X
 
 config CPU_S3C2443
 	bool "SAMSUNG S3C2443"
-	depends on ARCH_S3C24XX
 	select CPU_ARM920T
 	select CPU_LLSERIAL_S3C2440
 	select S3C2443_COMMON
@@ -133,7 +130,6 @@ config S3C24XX_SETUP_TS
 
 config S3C24XX_DMA
 	bool "S3C2410 DMA support"
-	depends on ARCH_S3C24XX
 	select S3C_DMA
 	help
 	  S3C2410 DMA support. This is needed for drivers like sound which
@@ -142,7 +138,7 @@ config S3C24XX_DMA
 
 config S3C2410_DMA_DEBUG
 	bool "S3C2410 DMA support debug"
-	depends on ARCH_S3C24XX && S3C2410_DMA
+	depends on S3C2410_DMA
 	help
 	  Enable debugging output for the DMA code. This option sends info
 	  to the kernel log, at priority KERN_DEBUG.
@@ -233,7 +229,7 @@ if CPU_S3C2410
 
 config S3C2410_CPUFREQ
 	bool
-	depends on CPU_FREQ_S3C24XX && CPU_S3C2410
+	depends on CPU_FREQ_S3C24XX
 	select S3C2410_CPUFREQ_UTILS
 	help
 	  CPU Frequency scaling support for S3C2410
@@ -320,7 +316,6 @@ config PM_H1940
 
 config MACH_N30
 	bool "Acer N30 family"
-	select MACH_N35
 	select S3C_DEV_NAND
 	select S3C_DEV_USB_HOST
 	help
@@ -380,14 +375,13 @@ if CPU_S3C2412
 
 config CPU_S3C2412_ONLY
 	bool
-	depends on ARCH_S3C24XX && !CPU_S3C2410 && \
-		   !CPU_S3C2416 && !CPU_S3C2440 && !CPU_S3C2442 && \
-		   !CPU_S3C2443 && CPU_S3C2412
+	depends on !CPU_S3C2410 && !CPU_S3C2416 && !CPU_S3C2440 && \
+		   !CPU_S3C2442 && !CPU_S3C2443
 	default y
 
 config S3C2412_CPUFREQ
 	bool
-	depends on CPU_FREQ_S3C24XX && CPU_S3C2412
+	depends on CPU_FREQ_S3C24XX
 	default y
 	select S3C2412_IOTIMING
 	help
@@ -642,7 +636,6 @@ comment "S3C2442 Boards"
 config MACH_NEO1973_GTA02
 	bool "Openmoko GTA02 / Freerunner phone"
 	select I2C
-	select MACH_NEO1973
 	select MFD_PCF50633
 	select PCF50633_GPIO
 	select POWER_SUPPLY
@@ -663,10 +656,7 @@ config MACH_RX1950
 	help
 	   Say Y here if you're using HP iPAQ rx1950
 
-config SMDK2440_CPU2442
-	bool "SMDM2440 with S3C2442 CPU module"
-
-endif	# CPU_S3C2440
+endif	# CPU_S3C2442
 
 if CPU_S3C2443 || CPU_S3C2416
 
diff --git a/arch/arm/mach-s3c24xx/include/mach/dma.h b/arch/arm/mach-s3c24xx/include/mach/dma.h
index 6b72d5a4b37..b55da1d8cd8 100644
--- a/arch/arm/mach-s3c24xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c24xx/include/mach/dma.h
@@ -24,7 +24,6 @@
 */
 
 enum dma_ch {
-	DMACH_DT_PROP = -1,	/* not yet supported, do not use */
 	DMACH_XD0 = 0,
 	DMACH_XD1,
 	DMACH_SDI,
diff --git a/arch/arm/mach-s3c24xx/regs-dsc.h b/arch/arm/mach-s3c24xx/regs-dsc.h
index 98fd4a05587..61b3d1387d7 100644
--- a/arch/arm/mach-s3c24xx/regs-dsc.h
+++ b/arch/arm/mach-s3c24xx/regs-dsc.h
@@ -1,5 +1,4 @@
-/* arch/arm/mach-s3c2410/include/mach/regs-dsc.h
- *
+/*
  * Copyright (c) 2004 Simtec Electronics <linux@simtec.co.uk>
  *		      http://www.simtec.co.uk/products/SWLINUX/
  *
@@ -12,209 +11,15 @@
 
 
 #ifndef __ASM_ARCH_REGS_DSC_H
-#define __ASM_ARCH_REGS_DSC_H "2440-dsc"
+#define __ASM_ARCH_REGS_DSC_H __FILE__
 
-#if defined(CONFIG_CPU_S3C2412)
+/* S3C2412 */
 #define S3C2412_DSC0	   S3C2410_GPIOREG(0xdc)
 #define S3C2412_DSC1	   S3C2410_GPIOREG(0xe0)
-#endif
-
-#if defined(CONFIG_CPU_S3C2416)
-#define S3C2416_DSC0	   S3C2410_GPIOREG(0xc0)
-#define S3C2416_DSC1	   S3C2410_GPIOREG(0xc4)
-#define S3C2416_DSC2	   S3C2410_GPIOREG(0xc8)
-#define S3C2416_DSC3	   S3C2410_GPIOREG(0x110)
-
-#define S3C2416_SELECT_DSC0	(0 << 30)
-#define S3C2416_SELECT_DSC1	(1 << 30)
-#define S3C2416_SELECT_DSC2	(2 << 30)
-#define S3C2416_SELECT_DSC3	(3 << 30)
-
-#define S3C2416_DSC_GETSHIFT(x)	(x & 30)
-
-#define S3C2416_DSC0_CF		(S3C2416_SELECT_DSC0 | 28)
-#define	S3C2416_DSC0_CF_5mA	(0 << 28)
-#define	S3C2416_DSC0_CF_10mA	(1 << 28)
-#define	S3C2416_DSC0_CF_15mA	(2 << 28)
-#define	S3C2416_DSC0_CF_21mA	(3 << 28)
-#define	S3C2416_DSC0_CF_MASK	(3 << 28)
-
-#define S3C2416_DSC0_nRBE	(S3C2416_SELECT_DSC0 | 26)
-#define	S3C2416_DSC0_nRBE_5mA	(0 << 26)
-#define	S3C2416_DSC0_nRBE_10mA	(1 << 26)
-#define	S3C2416_DSC0_nRBE_15mA	(2 << 26)
-#define	S3C2416_DSC0_nRBE_21mA	(3 << 26)
-#define	S3C2416_DSC0_nRBE_MASK	(3 << 26)
-
-#define S3C2416_DSC0_nROE	(S3C2416_SELECT_DSC0 | 24)
-#define	S3C2416_DSC0_nROE_5mA	(0 << 24)
-#define	S3C2416_DSC0_nROE_10mA	(1 << 24)
-#define	S3C2416_DSC0_nROE_15mA	(2 << 24)
-#define	S3C2416_DSC0_nROE_21mA	(3 << 24)
-#define	S3C2416_DSC0_nROE_MASK	(3 << 24)
-
-#endif
-
-#if defined(CONFIG_CPU_S3C244X)
 
+/* S3C2440 */
 #define S3C2440_DSC0	   S3C2410_GPIOREG(0xc4)
 #define S3C2440_DSC1	   S3C2410_GPIOREG(0xc8)
 
-#define S3C2440_SELECT_DSC0 (0)
-#define S3C2440_SELECT_DSC1 (1<<31)
-
-#define S3C2440_DSC_GETSHIFT(x) ((x) & 31)
-
-#define S3C2440_DSC0_DISABLE	(1<<31)
-
-#define S3C2440_DSC0_ADDR       (S3C2440_SELECT_DSC0 | 8)
-#define S3C2440_DSC0_ADDR_12mA  (0<<8)
-#define S3C2440_DSC0_ADDR_10mA  (1<<8)
-#define S3C2440_DSC0_ADDR_8mA   (2<<8)
-#define S3C2440_DSC0_ADDR_6mA   (3<<8)
-#define S3C2440_DSC0_ADDR_MASK  (3<<8)
-
-/* D24..D31 */
-#define S3C2440_DSC0_DATA3      (S3C2440_SELECT_DSC0 | 6)
-#define S3C2440_DSC0_DATA3_12mA (0<<6)
-#define S3C2440_DSC0_DATA3_10mA (1<<6)
-#define S3C2440_DSC0_DATA3_8mA  (2<<6)
-#define S3C2440_DSC0_DATA3_6mA  (3<<6)
-#define S3C2440_DSC0_DATA3_MASK (3<<6)
-
-/* D16..D23 */
-#define S3C2440_DSC0_DATA2      (S3C2440_SELECT_DSC0 | 4)
-#define S3C2440_DSC0_DATA2_12mA (0<<4)
-#define S3C2440_DSC0_DATA2_10mA (1<<4)
-#define S3C2440_DSC0_DATA2_8mA  (2<<4)
-#define S3C2440_DSC0_DATA2_6mA  (3<<4)
-#define S3C2440_DSC0_DATA2_MASK (3<<4)
-
-/* D8..D15 */
-#define S3C2440_DSC0_DATA1      (S3C2440_SELECT_DSC0 | 2)
-#define S3C2440_DSC0_DATA1_12mA (0<<2)
-#define S3C2440_DSC0_DATA1_10mA (1<<2)
-#define S3C2440_DSC0_DATA1_8mA  (2<<2)
-#define S3C2440_DSC0_DATA1_6mA  (3<<2)
-#define S3C2440_DSC0_DATA1_MASK (3<<2)
-
-/* D0..D7 */
-#define S3C2440_DSC0_DATA0      (S3C2440_SELECT_DSC0 | 0)
-#define S3C2440_DSC0_DATA0_12mA (0<<0)
-#define S3C2440_DSC0_DATA0_10mA (1<<0)
-#define S3C2440_DSC0_DATA0_8mA  (2<<0)
-#define S3C2440_DSC0_DATA0_6mA  (3<<0)
-#define S3C2440_DSC0_DATA0_MASK (3<<0)
-
-#define S3C2440_DSC1_SCK1       (S3C2440_SELECT_DSC1 | 28)
-#define S3C2440_DSC1_SCK1_12mA  (0<<28)
-#define S3C2440_DSC1_SCK1_10mA  (1<<28)
-#define S3C2440_DSC1_SCK1_8mA   (2<<28)
-#define S3C2440_DSC1_SCK1_6mA   (3<<28)
-#define S3C2440_DSC1_SCK1_MASK  (3<<28)
-
-#define S3C2440_DSC1_SCK0       (S3C2440_SELECT_DSC1 | 26)
-#define S3C2440_DSC1_SCK0_12mA  (0<<26)
-#define S3C2440_DSC1_SCK0_10mA  (1<<26)
-#define S3C2440_DSC1_SCK0_8mA   (2<<26)
-#define S3C2440_DSC1_SCK0_6mA   (3<<26)
-#define S3C2440_DSC1_SCK0_MASK  (3<<26)
-
-#define S3C2440_DSC1_SCKE       (S3C2440_SELECT_DSC1 | 24)
-#define S3C2440_DSC1_SCKE_10mA  (0<<24)
-#define S3C2440_DSC1_SCKE_8mA   (1<<24)
-#define S3C2440_DSC1_SCKE_6mA   (2<<24)
-#define S3C2440_DSC1_SCKE_4mA   (3<<24)
-#define S3C2440_DSC1_SCKE_MASK  (3<<24)
-
-/* SDRAM nRAS/nCAS */
-#define S3C2440_DSC1_SDR        (S3C2440_SELECT_DSC1 | 22)
-#define S3C2440_DSC1_SDR_10mA   (0<<22)
-#define S3C2440_DSC1_SDR_8mA    (1<<22)
-#define S3C2440_DSC1_SDR_6mA    (2<<22)
-#define S3C2440_DSC1_SDR_4mA    (3<<22)
-#define S3C2440_DSC1_SDR_MASK   (3<<22)
-
-/* NAND Flash Controller */
-#define S3C2440_DSC1_NFC        (S3C2440_SELECT_DSC1 | 20)
-#define S3C2440_DSC1_NFC_10mA   (0<<20)
-#define S3C2440_DSC1_NFC_8mA    (1<<20)
-#define S3C2440_DSC1_NFC_6mA    (2<<20)
-#define S3C2440_DSC1_NFC_4mA    (3<<20)
-#define S3C2440_DSC1_NFC_MASK   (3<<20)
-
-/* nBE[0..3] */
-#define S3C2440_DSC1_nBE        (S3C2440_SELECT_DSC1 | 18)
-#define S3C2440_DSC1_nBE_10mA   (0<<18)
-#define S3C2440_DSC1_nBE_8mA    (1<<18)
-#define S3C2440_DSC1_nBE_6mA    (2<<18)
-#define S3C2440_DSC1_nBE_4mA    (3<<18)
-#define S3C2440_DSC1_nBE_MASK   (3<<18)
-
-#define S3C2440_DSC1_WOE        (S3C2440_SELECT_DSC1 | 16)
-#define S3C2440_DSC1_WOE_10mA   (0<<16)
-#define S3C2440_DSC1_WOE_8mA    (1<<16)
-#define S3C2440_DSC1_WOE_6mA    (2<<16)
-#define S3C2440_DSC1_WOE_4mA    (3<<16)
-#define S3C2440_DSC1_WOE_MASK   (3<<16)
-
-#define S3C2440_DSC1_CS7        (S3C2440_SELECT_DSC1 | 14)
-#define S3C2440_DSC1_CS7_10mA   (0<<14)
-#define S3C2440_DSC1_CS7_8mA    (1<<14)
-#define S3C2440_DSC1_CS7_6mA    (2<<14)
-#define S3C2440_DSC1_CS7_4mA    (3<<14)
-#define S3C2440_DSC1_CS7_MASK   (3<<14)
-
-#define S3C2440_DSC1_CS6        (S3C2440_SELECT_DSC1 | 12)
-#define S3C2440_DSC1_CS6_10mA   (0<<12)
-#define S3C2440_DSC1_CS6_8mA    (1<<12)
-#define S3C2440_DSC1_CS6_6mA    (2<<12)
-#define S3C2440_DSC1_CS6_4mA    (3<<12)
-#define S3C2440_DSC1_CS6_MASK   (3<<12)
-
-#define S3C2440_DSC1_CS5        (S3C2440_SELECT_DSC1 | 10)
-#define S3C2440_DSC1_CS5_10mA   (0<<10)
-#define S3C2440_DSC1_CS5_8mA    (1<<10)
-#define S3C2440_DSC1_CS5_6mA    (2<<10)
-#define S3C2440_DSC1_CS5_4mA    (3<<10)
-#define S3C2440_DSC1_CS5_MASK   (3<<10)
-
-#define S3C2440_DSC1_CS4        (S3C2440_SELECT_DSC1 | 8)
-#define S3C2440_DSC1_CS4_10mA   (0<<8)
-#define S3C2440_DSC1_CS4_8mA    (1<<8)
-#define S3C2440_DSC1_CS4_6mA    (2<<8)
-#define S3C2440_DSC1_CS4_4mA    (3<<8)
-#define S3C2440_DSC1_CS4_MASK   (3<<8)
-
-#define S3C2440_DSC1_CS3        (S3C2440_SELECT_DSC1 | 6)
-#define S3C2440_DSC1_CS3_10mA   (0<<6)
-#define S3C2440_DSC1_CS3_8mA    (1<<6)
-#define S3C2440_DSC1_CS3_6mA    (2<<6)
-#define S3C2440_DSC1_CS3_4mA    (3<<6)
-#define S3C2440_DSC1_CS3_MASK   (3<<6)
-
-#define S3C2440_DSC1_CS2        (S3C2440_SELECT_DSC1 | 4)
-#define S3C2440_DSC1_CS2_10mA   (0<<4)
-#define S3C2440_DSC1_CS2_8mA    (1<<4)
-#define S3C2440_DSC1_CS2_6mA    (2<<4)
-#define S3C2440_DSC1_CS2_4mA    (3<<4)
-#define S3C2440_DSC1_CS2_MASK   (3<<4)
-
-#define S3C2440_DSC1_CS1        (S3C2440_SELECT_DSC1 | 2)
-#define S3C2440_DSC1_CS1_10mA   (0<<2)
-#define S3C2440_DSC1_CS1_8mA    (1<<2)
-#define S3C2440_DSC1_CS1_6mA    (2<<2)
-#define S3C2440_DSC1_CS1_4mA    (3<<2)
-#define S3C2440_DSC1_CS1_MASK   (3<<2)
-
-#define S3C2440_DSC1_CS0        (S3C2440_SELECT_DSC1 | 0)
-#define S3C2440_DSC1_CS0_10mA   (0<<0)
-#define S3C2440_DSC1_CS0_8mA    (1<<0)
-#define S3C2440_DSC1_CS0_6mA    (2<<0)
-#define S3C2440_DSC1_CS0_4mA    (3<<0)
-#define S3C2440_DSC1_CS0_MASK   (3<<0)
-
-#endif /* CONFIG_CPU_S3C2440 */
-
 #endif	/* __ASM_ARCH_REGS_DSC_H */
 
diff --git a/arch/arm/mach-s3c64xx/Makefile b/arch/arm/mach-s3c64xx/Makefile
index f9ce1dc28ce..31d0c910127 100644
--- a/arch/arm/mach-s3c64xx/Makefile
+++ b/arch/arm/mach-s3c64xx/Makefile
@@ -32,7 +32,6 @@ obj-$(CONFIG_S3C64XX_DMA)	+= dma.o
 
 obj-y				+= dev-uart.o
 obj-y				+= dev-audio.o
-obj-$(CONFIG_S3C64XX_DEV_SPI)	+= dev-spi.o
 
 # Device setup
 
diff --git a/arch/arm/mach-s3c64xx/include/mach/dma.h b/arch/arm/mach-s3c64xx/include/mach/dma.h
index 57b1ff4b2d7..fe1a98cf0e4 100644
--- a/arch/arm/mach-s3c64xx/include/mach/dma.h
+++ b/arch/arm/mach-s3c64xx/include/mach/dma.h
@@ -21,7 +21,6 @@
  */
 enum dma_ch {
 	/* DMA0/SDMA0 */
-	DMACH_DT_PROP = -1, /* not yet supported, do not use */
 	DMACH_UART0 = 0,
 	DMACH_UART0_SRC2,
 	DMACH_UART1,
diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index a9d52167e16..91c2d72e689 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -37,14 +37,6 @@ if PLAT_SAMSUNG
 
 comment "Boot options"
 
-config S3C_BOOT_WATCHDOG
-	bool "S3C Initialisation watchdog"
-	depends on S3C2410_WATCHDOG
-	help
-	  Say y to enable the watchdog during the kernel decompression
-	  stage. If the kernel fails to uncompress, then the watchdog
-	  will trigger a reset and the system should restart.
-
 config S3C_BOOT_ERROR_RESET
 	bool "S3C Reboot on decompression error"
 	help
@@ -125,12 +117,6 @@ config SAMSUNG_GPIOLIB_4BIT
 	  configuration. GPIOlib shall be compiled only for S3C64XX and S5P
 	  series of processors.
 
-config S3C_GPIO_CFG_S3C64XX
-	bool
-	help
-	  Internal configuration to enable S3C64XX style GPIO configuration
-	  functions.
-
 config S5P_GPIO_DRVSTR
 	bool
 	help
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
index 71d58ddea9c..ec0d731b0e7 100644
--- a/arch/arm/plat-samsung/dma-ops.c
+++ b/arch/arm/plat-samsung/dma-ops.c
@@ -23,23 +23,15 @@ static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
 				struct device *dev, char *ch_name)
 {
 	dma_cap_mask_t mask;
-	void *filter_param;
 
 	dma_cap_zero(mask);
 	dma_cap_set(param->cap, mask);
 
-	/*
-	 * If a dma channel property of a device node from device tree is
-	 * specified, use that as the fliter parameter.
-	 */
-	filter_param = (dma_ch == DMACH_DT_PROP) ?
-		(void *)param->dt_dmach_prop : (void *)dma_ch;
-
 	if (dev->of_node)
 		return (unsigned)dma_request_slave_channel(dev, ch_name);
 	else
 		return (unsigned)dma_request_channel(mask, pl330_filter,
-							filter_param);
+							(void *)dma_ch);
 }
 
 static int samsung_dmadev_release(unsigned ch, void *param)
diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
index 114178268b7..ce6d7634b6c 100644
--- a/arch/arm/plat-samsung/include/plat/dma-ops.h
+++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
@@ -18,7 +18,6 @@
 
 struct samsung_dma_req {
 	enum dma_transaction_type cap;
-	struct property *dt_dmach_prop;
 	struct s3c2410_dma_client *client;
 };
 
diff --git a/arch/arm/plat-samsung/include/plat/dma-pl330.h b/arch/arm/plat-samsung/include/plat/dma-pl330.h
index d384a8016b4..abe07fae71d 100644
--- a/arch/arm/plat-samsung/include/plat/dma-pl330.h
+++ b/arch/arm/plat-samsung/include/plat/dma-pl330.h
@@ -21,7 +21,6 @@
  * use these just as IDs.
  */
 enum dma_ch {
-	DMACH_DT_PROP = -1,
 	DMACH_UART0_RX = 0,
 	DMACH_UART0_TX,
 	DMACH_UART1_RX,
diff --git a/arch/arm/plat-samsung/include/plat/rtc-core.h b/arch/arm/plat-samsung/include/plat/rtc-core.h
index 21d8594d37c..7b542f7b793 100644
--- a/arch/arm/plat-samsung/include/plat/rtc-core.h
+++ b/arch/arm/plat-samsung/include/plat/rtc-core.h
@@ -19,7 +19,7 @@
 /* re-define device name depending on support. */
 static inline void s3c_rtc_setname(char *name)
 {
-#if defined(CONFIG_SAMSUNG_DEV_RTC) || defined(CONFIG_PLAT_S3C24XX)
+#if defined(CONFIG_S3C_DEV_RTC) || defined(CONFIG_PLAT_S3C24XX)
 	s3c_device_rtc.name = name;
 #endif
 }
diff --git a/arch/arm/plat-samsung/include/plat/sdhci.h b/arch/arm/plat-samsung/include/plat/sdhci.h
index 9b87f38fc4f..5560586abec 100644
--- a/arch/arm/plat-samsung/include/plat/sdhci.h
+++ b/arch/arm/plat-samsung/include/plat/sdhci.h
@@ -206,7 +206,7 @@ static inline void s3c6400_default_sdhci2(void) { }
 
 /* S5P64X0 SDHCI setup */
 
-#ifdef CONFIG_S5P64X0_SETUP_SDHCI
+#ifdef CONFIG_S5P64X0_SETUP_SDHCI_GPIO
 static inline void s5p64x0_default_sdhci0(void)
 {
 #ifdef CONFIG_S3C_DEV_HSMMC
@@ -241,7 +241,7 @@ static inline void s5p64x0_default_sdhci1(void) { }
 static inline void s5p6440_default_sdhci2(void) { }
 static inline void s5p6450_default_sdhci2(void) { }
 
-#endif /* CONFIG_S5P64X0_SETUP_SDHCI */
+#endif /* CONFIG_S5P64X0_SETUP_SDHCI_GPIO */
 
 /* S5PC100 SDHCI setup */
 
diff --git a/drivers/usb/host/ohci-exynos.c b/drivers/usb/host/ohci-exynos.c
index e3b7e85120e..0bd6f47dfdc 100644
--- a/drivers/usb/host/ohci-exynos.c
+++ b/drivers/usb/host/ohci-exynos.c
@@ -14,9 +14,10 @@
 #include <linux/clk.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
-#include <linux/platform_data/usb-exynos.h>
+#include <linux/platform_data/usb-ohci-exynos.h>
 #include <linux/usb/phy.h>
 #include <linux/usb/samsung_usb_phy.h>
+
 #include <plat/usb-phy.h>
 
 struct exynos_ohci_hcd {
diff --git a/include/linux/platform_data/usb-exynos.h b/include/linux/platform_data/usb-ohci-exynos.h
index c256c595be5..c256c595be5 100644
--- a/include/linux/platform_data/usb-exynos.h
+++ b/include/linux/platform_data/usb-ohci-exynos.h