18 files changed, 131 insertions, 276 deletions

diff --git a/arch/arm/plat-samsung/Kconfig b/arch/arm/plat-samsung/Kconfig
index a2fae4ea0936..7aca31c1df1f 100644
--- a/arch/arm/plat-samsung/Kconfig
+++ b/arch/arm/plat-samsung/Kconfig
@@ -78,6 +78,10 @@ config S5P_HRT
 
 # clock options
 
+config SAMSUNG_CLOCK
+        bool
+        default y if !COMMON_CLK
+
 config SAMSUNG_CLKSRC
         bool
         help
@@ -491,14 +495,6 @@ config S5P_SLEEP
           Internal config node to apply common S5P sleep management code.
           Can be selected by S5P and newer SoCs with similar sleep procedure.
 
-comment "Power Domain"
-
-config SAMSUNG_PD
-        bool "Samsung Power Domain"
-        depends on PM_RUNTIME
-        help
-          Say Y here if you want to control Power Domain by Runtime PM.
-
 config DEBUG_S3C_UART
         depends on PLAT_SAMSUNG
         int
diff --git a/arch/arm/plat-samsung/Makefile b/arch/arm/plat-samsung/Makefile
index 860b2db4db15..b78717496677 100644
--- a/arch/arm/plat-samsung/Makefile
+++ b/arch/arm/plat-samsung/Makefile
@@ -15,8 +15,8 @@ obj-y				+= init.o cpu.o
 obj-$(CONFIG_ARCH_USES_GETTIMEOFFSET)   += time.o
 obj-$(CONFIG_S5P_HRT)           += s5p-time.o
 
-obj-y                           += clock.o
-obj-y                           += pwm-clock.o
+obj-$(CONFIG_SAMSUNG_CLOCK)     += clock.o
+obj-$(CONFIG_SAMSUNG_CLOCK)     += pwm-clock.o
 
 obj-$(CONFIG_SAMSUNG_CLKSRC)    += clock-clksrc.o
 obj-$(CONFIG_S5P_CLOCK)         += s5p-clock.o
@@ -60,10 +60,6 @@ obj-$(CONFIG_SAMSUNG_WAKEMASK)	+= wakeup-mask.o
 obj-$(CONFIG_S5P_PM)            += s5p-pm.o s5p-irq-pm.o
 obj-$(CONFIG_S5P_SLEEP)         += s5p-sleep.o
 
-# PD support
-
-obj-$(CONFIG_SAMSUNG_PD)        += pd.o
-
 # PWM support
 
 obj-$(CONFIG_HAVE_PWM)          += pwm.o
diff --git a/arch/arm/plat-samsung/adc.c b/arch/arm/plat-samsung/adc.c
index 33ecd0c9f0c3..b1e05ccff3ac 100644
--- a/arch/arm/plat-samsung/adc.c
+++ b/arch/arm/plat-samsung/adc.c
@@ -157,11 +157,13 @@ int s3c_adc_start(struct s3c_adc_client *client,
                 return -EINVAL;
         }
 
-        if (client->is_ts && adc->ts_pend)
-                return -EAGAIN;
-
         spin_lock_irqsave(&adc->lock, flags);
 
+        if (client->is_ts && adc->ts_pend) {
+                spin_unlock_irqrestore(&adc->lock, flags);
+                return -EAGAIN;
+        }
+
         client->channel = channel;
         client->nr_samples = nr_samples;
 
diff --git a/arch/arm/plat-samsung/devs.c b/arch/arm/plat-samsung/devs.c
index 1d214cb9d770..74e31ce35538 100644
--- a/arch/arm/plat-samsung/devs.c
+++ b/arch/arm/plat-samsung/devs.c
@@ -126,7 +126,8 @@ struct platform_device s3c_device_adc = {
 #ifdef CONFIG_CPU_S3C2440
 static struct resource s3c_camif_resource[] = {
         [0] = DEFINE_RES_MEM(S3C2440_PA_CAMIF, S3C2440_SZ_CAMIF),
-        [1] = DEFINE_RES_IRQ(IRQ_CAM),
+        [1] = DEFINE_RES_IRQ(IRQ_S3C2440_CAM_C),
+        [2] = DEFINE_RES_IRQ(IRQ_S3C2440_CAM_P),
 };
 
 struct platform_device s3c_device_camif = {
@@ -1512,7 +1513,7 @@ static struct resource s3c64xx_spi0_resource[] = {
 };
 
 struct platform_device s3c64xx_device_spi0 = {
-        .name           = "s3c64xx-spi",
+        .name           = "s3c6410-spi",
         .id             = 0,
         .num_resources  = ARRAY_SIZE(s3c64xx_spi0_resource),
         .resource       = s3c64xx_spi0_resource,
@@ -1522,13 +1523,10 @@ struct platform_device s3c64xx_device_spi0 = {
         },
 };
 
-void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs)
+void __init s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs)
 {
-        if (!pd) {
-                pr_err("%s:Need to pass platform data\n", __func__);
-                return;
-        }
+        struct s3c64xx_spi_info pd;
 
         /* Reject invalid configuration */
         if (!num_cs || src_clk_nr < 0) {
@@ -1536,12 +1534,11 @@ void __init s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
                 return;
         }
 
-        pd->num_cs = num_cs;
-        pd->src_clk_nr = src_clk_nr;
-        if (!pd->cfg_gpio)
-                pd->cfg_gpio = s3c64xx_spi0_cfg_gpio;
+        pd.num_cs = num_cs;
+        pd.src_clk_nr = src_clk_nr;
+        pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi0_cfg_gpio;
 
-        s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi0);
+        s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi0);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI0 */
 
@@ -1554,7 +1551,7 @@ static struct resource s3c64xx_spi1_resource[] = {
 };
 
 struct platform_device s3c64xx_device_spi1 = {
-        .name           = "s3c64xx-spi",
+        .name           = "s3c6410-spi",
         .id             = 1,
         .num_resources  = ARRAY_SIZE(s3c64xx_spi1_resource),
         .resource       = s3c64xx_spi1_resource,
@@ -1564,26 +1561,20 @@ struct platform_device s3c64xx_device_spi1 = {
         },
 };
 
-void __init s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs)
+void __init s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs)
 {
-        if (!pd) {
-                pr_err("%s:Need to pass platform data\n", __func__);
-                return;
-        }
-
         /* Reject invalid configuration */
         if (!num_cs || src_clk_nr < 0) {
                 pr_err("%s: Invalid SPI configuration\n", __func__);
                 return;
         }
 
-        pd->num_cs = num_cs;
-        pd->src_clk_nr = src_clk_nr;
-        if (!pd->cfg_gpio)
-                pd->cfg_gpio = s3c64xx_spi1_cfg_gpio;
+        pd.num_cs = num_cs;
+        pd.src_clk_nr = src_clk_nr;
+        pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi1_cfg_gpio;
 
-        s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi1);
+        s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi1);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI1 */
 
@@ -1596,7 +1587,7 @@ static struct resource s3c64xx_spi2_resource[] = {
 };
 
 struct platform_device s3c64xx_device_spi2 = {
-        .name           = "s3c64xx-spi",
+        .name           = "s3c6410-spi",
         .id             = 2,
         .num_resources  = ARRAY_SIZE(s3c64xx_spi2_resource),
         .resource       = s3c64xx_spi2_resource,
@@ -1606,13 +1597,10 @@ struct platform_device s3c64xx_device_spi2 = {
         },
 };
 
-void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs)
+void __init s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs)
 {
-        if (!pd) {
-                pr_err("%s:Need to pass platform data\n", __func__);
-                return;
-        }
+        struct s3c64xx_spi_info pd;
 
         /* Reject invalid configuration */
         if (!num_cs || src_clk_nr < 0) {
@@ -1620,11 +1608,10 @@ void __init s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
                 return;
         }
 
-        pd->num_cs = num_cs;
-        pd->src_clk_nr = src_clk_nr;
-        if (!pd->cfg_gpio)
-                pd->cfg_gpio = s3c64xx_spi2_cfg_gpio;
+        pd.num_cs = num_cs;
+        pd.src_clk_nr = src_clk_nr;
+        pd.cfg_gpio = (cfg_gpio) ? cfg_gpio : s3c64xx_spi2_cfg_gpio;
 
-        s3c_set_platdata(pd, sizeof(*pd), &s3c64xx_device_spi2);
+        s3c_set_platdata(&pd, sizeof(pd), &s3c64xx_device_spi2);
 }
 #endif /* CONFIG_S3C64XX_DEV_SPI2 */
diff --git a/arch/arm/plat-samsung/dma-ops.c b/arch/arm/plat-samsung/dma-ops.c
index eb9f4f534006..c38d75489240 100644
--- a/arch/arm/plat-samsung/dma-ops.c
+++ b/arch/arm/plat-samsung/dma-ops.c
@@ -19,72 +19,79 @@
 #include <mach/dma.h>
 
 static unsigned samsung_dmadev_request(enum dma_ch dma_ch,
-                                struct samsung_dma_info *info)
+                                struct samsung_dma_req *param)
 {
-        struct dma_chan *chan;
         dma_cap_mask_t mask;
-        struct dma_slave_config slave_config;
         void *filter_param;
 
         dma_cap_zero(mask);
-        dma_cap_set(info->cap, 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 *)info->dt_dmach_prop :
-                                (void *)dma_ch;
-        chan = dma_request_channel(mask, pl330_filter, filter_param);
+        filter_param = (dma_ch == DMACH_DT_PROP) ?
+                (void *)param->dt_dmach_prop : (void *)dma_ch;
+        return (unsigned)dma_request_channel(mask, pl330_filter, filter_param);
+}
+
+static int samsung_dmadev_release(unsigned ch, void *param)
+{
+        dma_release_channel((struct dma_chan *)ch);
 
-        if (info->direction == DMA_DEV_TO_MEM) {
+        return 0;
+}
+
+static int samsung_dmadev_config(unsigned ch,
+                                struct samsung_dma_config *param)
+{
+        struct dma_chan *chan = (struct dma_chan *)ch;
+        struct dma_slave_config slave_config;
+
+        if (param->direction == DMA_DEV_TO_MEM) {
                 memset(&slave_config, 0, sizeof(struct dma_slave_config));
-                slave_config.direction = info->direction;
-                slave_config.src_addr = info->fifo;
-                slave_config.src_addr_width = info->width;
+                slave_config.direction = param->direction;
+                slave_config.src_addr = param->fifo;
+                slave_config.src_addr_width = param->width;
                 slave_config.src_maxburst = 1;
                 dmaengine_slave_config(chan, &slave_config);
-        } else if (info->direction == DMA_MEM_TO_DEV) {
+        } else if (param->direction == DMA_MEM_TO_DEV) {
                 memset(&slave_config, 0, sizeof(struct dma_slave_config));
-                slave_config.direction = info->direction;
-                slave_config.dst_addr = info->fifo;
-                slave_config.dst_addr_width = info->width;
+                slave_config.direction = param->direction;
+                slave_config.dst_addr = param->fifo;
+                slave_config.dst_addr_width = param->width;
                 slave_config.dst_maxburst = 1;
                 dmaengine_slave_config(chan, &slave_config);
+        } else {
+                pr_warn("unsupported direction\n");
+                return -EINVAL;
         }
 
-        return (unsigned)chan;
-}
-
-static int samsung_dmadev_release(unsigned ch,
-                        struct s3c2410_dma_client *client)
-{
-        dma_release_channel((struct dma_chan *)ch);
-
         return 0;
 }
 
 static int samsung_dmadev_prepare(unsigned ch,
-                        struct samsung_dma_prep_info *info)
+                        struct samsung_dma_prep *param)
 {
         struct scatterlist sg;
         struct dma_chan *chan = (struct dma_chan *)ch;
         struct dma_async_tx_descriptor *desc;
 
-        switch (info->cap) {
+        switch (param->cap) {
         case DMA_SLAVE:
                 sg_init_table(&sg, 1);
-                sg_dma_len(&sg) = info->len;
-                sg_set_page(&sg, pfn_to_page(PFN_DOWN(info->buf)),
-                            info->len, offset_in_page(info->buf));
-                sg_dma_address(&sg) = info->buf;
+                sg_dma_len(&sg) = param->len;
+                sg_set_page(&sg, pfn_to_page(PFN_DOWN(param->buf)),
+                            param->len, offset_in_page(param->buf));
+                sg_dma_address(&sg) = param->buf;
 
                 desc = dmaengine_prep_slave_sg(chan,
-                        &sg, 1, info->direction, DMA_PREP_INTERRUPT);
+                        &sg, 1, param->direction, DMA_PREP_INTERRUPT);
                 break;
         case DMA_CYCLIC:
-                desc = dmaengine_prep_dma_cyclic(chan,
-                        info->buf, info->len, info->period, info->direction);
+                desc = dmaengine_prep_dma_cyclic(chan, param->buf,
+                        param->len, param->period, param->direction);
                 break;
         default:
                 dev_err(&chan->dev->device, "unsupported format\n");
@@ -96,8 +103,8 @@ static int samsung_dmadev_prepare(unsigned ch,
                 return -EFAULT;
         }
 
-        desc->callback = info->fp;
-        desc->callback_param = info->fp_param;
+        desc->callback = param->fp;
+        desc->callback_param = param->fp_param;
 
         dmaengine_submit((struct dma_async_tx_descriptor *)desc);
 
@@ -119,6 +126,7 @@ static inline int samsung_dmadev_flush(unsigned ch)
 static struct samsung_dma_ops dmadev_ops = {
         .request        = samsung_dmadev_request,
         .release        = samsung_dmadev_release,
+        .config         = samsung_dmadev_config,
         .prepare        = samsung_dmadev_prepare,
         .trigger        = samsung_dmadev_trigger,
         .started        = NULL,
diff --git a/arch/arm/plat-samsung/include/plat/cpu.h b/arch/arm/plat-samsung/include/plat/cpu.h
index 0721293fad63..ace4451b7651 100644
--- a/arch/arm/plat-samsung/include/plat/cpu.h
+++ b/arch/arm/plat-samsung/include/plat/cpu.h
@@ -132,6 +132,10 @@ IS_SAMSUNG_CPU(exynos5250, EXYNOS5250_SOC_ID, EXYNOS5_SOC_MASK)
 
 #define IODESC_ENT(x) { (unsigned long)S3C24XX_VA_##x, __phys_to_pfn(S3C24XX_PA_##x), S3C24XX_SZ_##x, MT_DEVICE }
 
+#ifndef KHZ
+#define KHZ (1000)
+#endif
+
 #ifndef MHZ
 #define MHZ (1000*1000)
 #endif
diff --git a/arch/arm/plat-samsung/include/plat/devs.h b/arch/arm/plat-samsung/include/plat/devs.h
index 61ca2f356c52..5da4b4f38f40 100644
--- a/arch/arm/plat-samsung/include/plat/devs.h
+++ b/arch/arm/plat-samsung/include/plat/devs.h
@@ -131,7 +131,6 @@ extern struct platform_device exynos4_device_ohci;
 extern struct platform_device exynos4_device_pcm0;
 extern struct platform_device exynos4_device_pcm1;
 extern struct platform_device exynos4_device_pcm2;
-extern struct platform_device exynos4_device_pd[];
 extern struct platform_device exynos4_device_spdif;
 
 extern struct platform_device exynos_device_drm;
diff --git a/arch/arm/plat-samsung/include/plat/dma-ops.h b/arch/arm/plat-samsung/include/plat/dma-ops.h
index 71a6827c7706..f5144cdd3001 100644
--- a/arch/arm/plat-samsung/include/plat/dma-ops.h
+++ b/arch/arm/plat-samsung/include/plat/dma-ops.h
@@ -16,7 +16,13 @@
 #include <linux/dmaengine.h>
 #include <mach/dma.h>
 
-struct samsung_dma_prep_info {
+struct samsung_dma_req {
+        enum dma_transaction_type cap;
+        struct property *dt_dmach_prop;
+        struct s3c2410_dma_client *client;
+};
+
+struct samsung_dma_prep {
         enum dma_transaction_type cap;
         enum dma_transfer_direction direction;
         dma_addr_t buf;
@@ -26,19 +32,17 @@ struct samsung_dma_prep_info {
         void *fp_param;
 };
 
-struct samsung_dma_info {
-        enum dma_transaction_type cap;
+struct samsung_dma_config {
         enum dma_transfer_direction direction;
         enum dma_slave_buswidth width;
         dma_addr_t fifo;
-        struct s3c2410_dma_client *client;
-        struct property *dt_dmach_prop;
 };
 
 struct samsung_dma_ops {
-        unsigned (*request)(enum dma_ch ch, struct samsung_dma_info *info);
-        int (*release)(unsigned ch, struct s3c2410_dma_client *client);
-        int (*prepare)(unsigned ch, struct samsung_dma_prep_info *info);
+        unsigned (*request)(enum dma_ch ch, struct samsung_dma_req *param);
+        int (*release)(unsigned ch, void *param);
+        int (*config)(unsigned ch, struct samsung_dma_config *param);
+        int (*prepare)(unsigned ch, struct samsung_dma_prep *param);
         int (*trigger)(unsigned ch);
         int (*started)(unsigned ch);
         int (*flush)(unsigned ch);
diff --git a/arch/arm/plat-samsung/include/plat/fb.h b/arch/arm/plat-samsung/include/plat/fb.h
index 536002ff2ab8..b885322717a1 100644
--- a/arch/arm/plat-samsung/include/plat/fb.h
+++ b/arch/arm/plat-samsung/include/plat/fb.h
@@ -43,7 +43,6 @@ struct s3c_fb_pd_win {
  * @setup_gpio: Setup the external GPIO pins to the right state to transfer
  *              the data from the display system to the connected display
  *              device.
- * @default_win: default window layer number to be used for UI layer.
  * @vidcon0: The base vidcon0 values to control the panel data format.
  * @vidcon1: The base vidcon1 values to control the panel data output.
  * @vtiming: Video timing when connected to a RGB type panel.
diff --git a/arch/arm/plat-samsung/include/plat/gpio-cfg.h b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
index df8155b9d4d1..08740eed050c 100644
--- a/arch/arm/plat-samsung/include/plat/gpio-cfg.h
+++ b/arch/arm/plat-samsung/include/plat/gpio-cfg.h
@@ -24,7 +24,7 @@
 #ifndef __PLAT_GPIO_CFG_H
 #define __PLAT_GPIO_CFG_H __FILE__
 
-#include<linux/types.h>
+#include <linux/types.h>
 
 typedef unsigned int __bitwise__ samsung_gpio_pull_t;
 typedef unsigned int __bitwise__ s5p_gpio_drvstr_t;
diff --git a/arch/arm/plat-samsung/include/plat/map-s3c.h b/arch/arm/plat-samsung/include/plat/map-s3c.h
index 7d048759b772..c0c70a895ca8 100644
--- a/arch/arm/plat-samsung/include/plat/map-s3c.h
+++ b/arch/arm/plat-samsung/include/plat/map-s3c.h
@@ -22,7 +22,7 @@
 #define S3C24XX_VA_WATCHDOG     S3C_VA_WATCHDOG
 
 #define S3C2412_VA_SSMC         S3C_ADDR_CPU(0x00000000)
-#define S3C2412_VA_EBI          S3C_ADDR_CPU(0x00010000)
+#define S3C2412_VA_EBI          S3C_ADDR_CPU(0x00100000)
 
 #define S3C2410_PA_UART         (0x50000000)
 #define S3C24XX_PA_UART         S3C2410_PA_UART
diff --git a/arch/arm/plat-samsung/include/plat/pd.h b/arch/arm/plat-samsung/include/plat/pd.h
deleted file mode 100644
index abb4bc32716a..000000000000
--- a/arch/arm/plat-samsung/include/plat/pd.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/* linux/arch/arm/plat-samsung/include/plat/pd.h
- *
- * Copyright (c) 2010-2011 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * 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_PLAT_SAMSUNG_PD_H
-#define __ASM_PLAT_SAMSUNG_PD_H __FILE__
-
-struct samsung_pd_info {
-        int (*enable)(struct device *dev);
-        int (*disable)(struct device *dev);
-        void __iomem *base;
-};
-
-enum exynos4_pd_block {
-        PD_MFC,
-        PD_G3D,
-        PD_LCD0,
-        PD_LCD1,
-        PD_TV,
-        PD_CAM,
-        PD_GPS
-};
-
-#endif /* __ASM_PLAT_SAMSUNG_PD_H */
diff --git a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
index fa95e9a00972..ceba18d23a5a 100644
--- a/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
+++ b/arch/arm/plat-samsung/include/plat/s3c64xx-spi.h
@@ -18,7 +18,6 @@ struct platform_device;
  * @fb_delay: Slave specific feedback delay.
  *            Refer to FB_CLK_SEL register definition in SPI chapter.
  * @line: Custom 'identity' of the CS line.
- * @set_level: CS line control.
  *
  * This is per SPI-Slave Chipselect information.
  * Allocate and initialize one in machine init code and make the
@@ -27,57 +26,41 @@ struct platform_device;
 struct s3c64xx_spi_csinfo {
         u8 fb_delay;
         unsigned line;
-        void (*set_level)(unsigned line_id, int lvl);
 };
 
 /**
  * struct s3c64xx_spi_info - SPI Controller defining structure
  * @src_clk_nr: Clock source index for the CLK_CFG[SPI_CLKSEL] field.
- * @clk_from_cmu: If the SPI clock/prescalar control block is present
- *     by the platform's clock-management-unit and not in SPI controller.
  * @num_cs: Number of CS this controller emulates.
  * @cfg_gpio: Configure pins for this SPI controller.
- * @fifo_lvl_mask: All tx fifo_lvl fields start at offset-6
- * @rx_lvl_offset: Depends on tx fifo_lvl field and bus number
- * @high_speed: If the controller supports HIGH_SPEED_EN bit
- * @tx_st_done: Depends on tx fifo_lvl field
  */
 struct s3c64xx_spi_info {
         int src_clk_nr;
-        bool clk_from_cmu;
-
         int num_cs;
-
-        int (*cfg_gpio)(struct platform_device *pdev);
-
-        /* Following two fields are for future compatibility */
-        int fifo_lvl_mask;
-        int rx_lvl_offset;
-        int high_speed;
-        int tx_st_done;
+        int (*cfg_gpio)(void);
 };
 
 /**
  * s3c64xx_spi_set_platdata - SPI Controller configure callback by the board
  *                              initialization code.
- * @pd: SPI platform data to set.
+ * @cfg_gpio: Pointer to gpio setup function.
  * @src_clk_nr: Clock the SPI controller is to use to generate SPI clocks.
  * @num_cs: Number of elements in the 'cs' array.
  *
  * Call this from machine init code for each SPI Controller that
  * has some chips attached to it.
  */
-extern void s3c64xx_spi0_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs);
-extern void s3c64xx_spi1_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs);
-extern void s3c64xx_spi2_set_platdata(struct s3c64xx_spi_info *pd,
-                                      int src_clk_nr, int num_cs);
+extern void s3c64xx_spi0_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs);
+extern void s3c64xx_spi1_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs);
+extern void s3c64xx_spi2_set_platdata(int (*cfg_gpio)(void), int src_clk_nr,
+                                                int num_cs);
 
 /* defined by architecture to configure gpio */
-extern int s3c64xx_spi0_cfg_gpio(struct platform_device *dev);
-extern int s3c64xx_spi1_cfg_gpio(struct platform_device *dev);
-extern int s3c64xx_spi2_cfg_gpio(struct platform_device *dev);
+extern int s3c64xx_spi0_cfg_gpio(void);
+extern int s3c64xx_spi1_cfg_gpio(void);
+extern int s3c64xx_spi2_cfg_gpio(void);
 
 extern struct s3c64xx_spi_info s3c64xx_spi0_pdata;
 extern struct s3c64xx_spi_info s3c64xx_spi1_pdata;
diff --git a/arch/arm/plat-samsung/include/plat/watchdog-reset.h b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
index f19aff19205c..bc4db9b04e36 100644
--- a/arch/arm/plat-samsung/include/plat/watchdog-reset.h
+++ b/arch/arm/plat-samsung/include/plat/watchdog-reset.h
@@ -25,7 +25,7 @@ static inline void arch_wdt_reset(void)
 
         __raw_writel(0, S3C2410_WTCON);   /* disable watchdog, to be safe  */
 
-        if (s3c2410_wdtclk)
+        if (!IS_ERR(s3c2410_wdtclk))
                 clk_enable(s3c2410_wdtclk);
 
         /* put initial values into count and data */
diff --git a/arch/arm/plat-samsung/pd.c b/arch/arm/plat-samsung/pd.c
deleted file mode 100644
index 312b510d86b7..000000000000
--- a/arch/arm/plat-samsung/pd.c
+++ /dev/null
@@ -1,95 +0,0 @@
-/* linux/arch/arm/plat-samsung/pd.c
- *
- * Copyright (c) 2010 Samsung Electronics Co., Ltd.
- *              http://www.samsung.com
- *
- * Samsung Power domain support
- *
- * 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.
-*/
-
-#include <linux/init.h>
-#include <linux/export.h>
-#include <linux/platform_device.h>
-#include <linux/err.h>
-#include <linux/pm_runtime.h>
-
-#include <plat/pd.h>
-
-static int samsung_pd_probe(struct platform_device *pdev)
-{
-        struct samsung_pd_info *pdata = pdev->dev.platform_data;
-        struct device *dev = &pdev->dev;
-
-        if (!pdata) {
-                dev_err(dev, "no device data specified\n");
-                return -ENOENT;
-        }
-
-        pm_runtime_set_active(dev);
-        pm_runtime_enable(dev);
-
-        dev_info(dev, "power domain registered\n");
-        return 0;
-}
-
-static int __devexit samsung_pd_remove(struct platform_device *pdev)
-{
-        struct device *dev = &pdev->dev;
-
-        pm_runtime_disable(dev);
-        return 0;
-}
-
-static int samsung_pd_runtime_suspend(struct device *dev)
-{
-        struct samsung_pd_info *pdata = dev->platform_data;
-        int ret = 0;
-
-        if (pdata->disable)
-                ret = pdata->disable(dev);
-
-        dev_dbg(dev, "suspended\n");
-        return ret;
-}
-
-static int samsung_pd_runtime_resume(struct device *dev)
-{
-        struct samsung_pd_info *pdata = dev->platform_data;
-        int ret = 0;
-
-        if (pdata->enable)
-                ret = pdata->enable(dev);
-
-        dev_dbg(dev, "resumed\n");
-        return ret;
-}
-
-static const struct dev_pm_ops samsung_pd_pm_ops = {
-        .runtime_suspend        = samsung_pd_runtime_suspend,
-        .runtime_resume         = samsung_pd_runtime_resume,
-};
-
-static struct platform_driver samsung_pd_driver = {
-        .driver         = {
-                .name           = "samsung-pd",
-                .owner          = THIS_MODULE,
-                .pm             = &samsung_pd_pm_ops,
-        },
-        .probe          = samsung_pd_probe,
-        .remove         = __devexit_p(samsung_pd_remove),
-};
-
-static int __init samsung_pd_init(void)
-{
-        int ret;
-
-        ret = platform_driver_register(&samsung_pd_driver);
-        if (ret)
-                printk(KERN_ERR "%s: failed to add PD driver\n", __func__);
-
-        return ret;
-}
-arch_initcall(samsung_pd_init);
diff --git a/arch/arm/plat-samsung/pwm.c b/arch/arm/plat-samsung/pwm.c
index c559d8438c70..d3583050fb05 100644
--- a/arch/arm/plat-samsung/pwm.c
+++ b/arch/arm/plat-samsung/pwm.c
@@ -36,7 +36,6 @@ struct pwm_device {
         unsigned int             duty_ns;
 
         unsigned char            tcon_base;
-        unsigned char            running;
         unsigned char            use_count;
         unsigned char            pwm_id;
 };
@@ -116,7 +115,6 @@ int pwm_enable(struct pwm_device *pwm)
 
         local_irq_restore(flags);
 
-        pwm->running = 1;
         return 0;
 }
 
@@ -134,8 +132,6 @@ void pwm_disable(struct pwm_device *pwm)
         __raw_writel(tcon, S3C2410_TCON);
 
         local_irq_restore(flags);
-
-        pwm->running = 0;
 }
 
 EXPORT_SYMBOL(pwm_disable);
diff --git a/arch/arm/plat-samsung/s3c-dma-ops.c b/arch/arm/plat-samsung/s3c-dma-ops.c
index 781494912827..f99448c48d30 100644
--- a/arch/arm/plat-samsung/s3c-dma-ops.c
+++ b/arch/arm/plat-samsung/s3c-dma-ops.c
@@ -36,30 +36,26 @@ static void s3c_dma_cb(struct s3c2410_dma_chan *channel, void *param,
 }
 
 static unsigned s3c_dma_request(enum dma_ch dma_ch,
-                                 struct samsung_dma_info *info)
+                                        struct samsung_dma_req *param)
 {
         struct cb_data *data;
 
-        if (s3c2410_dma_request(dma_ch, info->client, NULL) < 0) {
-                s3c2410_dma_free(dma_ch, info->client);
+        if (s3c2410_dma_request(dma_ch, param->client, NULL) < 0) {
+                s3c2410_dma_free(dma_ch, param->client);
                 return 0;
         }
 
+        if (param->cap == DMA_CYCLIC)
+                s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR);
+
         data = kzalloc(sizeof(struct cb_data), GFP_KERNEL);
         data->ch = dma_ch;
         list_add_tail(&data->node, &dma_list);
 
-        s3c2410_dma_devconfig(dma_ch, info->direction, info->fifo);
-
-        if (info->cap == DMA_CYCLIC)
-                s3c2410_dma_setflags(dma_ch, S3C2410_DMAF_CIRCULAR);
-
-        s3c2410_dma_config(dma_ch, info->width);
-
         return (unsigned)dma_ch;
 }
 
-static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client)
+static int s3c_dma_release(unsigned ch, void *param)
 {
         struct cb_data *data;
 
@@ -68,16 +64,24 @@ static int s3c_dma_release(unsigned ch, struct s3c2410_dma_client *client)
                         break;
         list_del(&data->node);
 
-        s3c2410_dma_free(ch, client);
+        s3c2410_dma_free(ch, param);
         kfree(data);
 
         return 0;
 }
 
-static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info)
+static int s3c_dma_config(unsigned ch, struct samsung_dma_config *param)
+{
+        s3c2410_dma_devconfig(ch, param->direction, param->fifo);
+        s3c2410_dma_config(ch, param->width);
+
+        return 0;
+}
+
+static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep *param)
 {
         struct cb_data *data;
-        int len = (info->cap == DMA_CYCLIC) ? info->period : info->len;
+        int len = (param->cap == DMA_CYCLIC) ? param->period : param->len;
 
         list_for_each_entry(data, &dma_list, node)
                 if (data->ch == ch)
@@ -85,11 +89,11 @@ static int s3c_dma_prepare(unsigned ch, struct samsung_dma_prep_info *info)
 
         if (!data->fp) {
                 s3c2410_dma_set_buffdone_fn(ch, s3c_dma_cb);
-                data->fp = info->fp;
-                data->fp_param = info->fp_param;
+                data->fp = param->fp;
+                data->fp_param = param->fp_param;
         }
 
-        s3c2410_dma_enqueue(ch, (void *)data, info->buf, len);
+        s3c2410_dma_enqueue(ch, (void *)data, param->buf, len);
 
         return 0;
 }
@@ -117,6 +121,7 @@ static inline int s3c_dma_stop(unsigned ch)
 static struct samsung_dma_ops s3c_dma_ops = {
         .request        = s3c_dma_request,
         .release        = s3c_dma_release,
+        .config         = s3c_dma_config,
         .prepare        = s3c_dma_prepare,
         .trigger        = s3c_dma_trigger,
         .started        = s3c_dma_started,
diff --git a/arch/arm/plat-samsung/s5p-clock.c b/arch/arm/plat-samsung/s5p-clock.c
index 031a61899bef..48a159911037 100644
--- a/arch/arm/plat-samsung/s5p-clock.c
+++ b/arch/arm/plat-samsung/s5p-clock.c
@@ -37,6 +37,7 @@ struct clk clk_ext_xtal_mux = {
 struct clk clk_xusbxti = {
         .name           = "xusbxti",
         .id             = -1,
+        .rate           = 24000000,
 };
 
 struct clk s5p_clk_27m = {