29 files changed, 419 insertions, 47 deletions

diff --git a/arch/sh/boards/Kconfig b/arch/sh/boards/Kconfig
index 7048c03490d9..fb5805745ace 100644
--- a/arch/sh/boards/Kconfig
+++ b/arch/sh/boards/Kconfig
@@ -57,6 +57,7 @@ config SH_7724_SOLUTION_ENGINE
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
         select SND_SOC_AK4642 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select 7724 SolutionEngine if configuring for a Hitachi SH7724
           evaluation board.
@@ -140,6 +141,7 @@ config SH_RSK
         bool "Renesas Starter Kit"
         depends on CPU_SUBTYPE_SH7201 || CPU_SUBTYPE_SH7203 || \
           CPU_SUBTYPE_SH7264 || CPU_SUBTYPE_SH7269
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
          Select this option if configuring for any of the RSK+ MCU
          evaluation platforms.
@@ -159,6 +161,7 @@ config SH_SDK7786
         select NO_IOPORT if !PCI
         select ARCH_WANT_OPTIONAL_GPIOLIB
         select HAVE_SRAM_POOL
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select SDK7786 if configuring for a Renesas Technology Europe
           SH7786-65nm board.
@@ -173,6 +176,7 @@ config SH_SH7757LCR
         bool "SH7757LCR"
         depends on CPU_SUBTYPE_SH7757
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
 
 config SH_SH7785LCR
         bool "SH7785LCR"
@@ -206,6 +210,7 @@ config SH_MIGOR
         bool "Migo-R"
         depends on CPU_SUBTYPE_SH7722
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select Migo-R if configuring for the SH7722 Migo-R platform
           by Renesas System Solutions Asia Pte. Ltd.
@@ -214,6 +219,7 @@ config SH_AP325RXA
         bool "AP-325RXA"
         depends on CPU_SUBTYPE_SH7723
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Renesas "AP-325RXA" support.
           Compatible with ALGO SYSTEM CO.,LTD. "AP-320A"
@@ -222,6 +228,7 @@ config SH_KFR2R09
         bool "KFR2R09"
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           "Kit For R2R for 2009" support.
 
@@ -230,6 +237,7 @@ config SH_ECOVEC
         depends on CPU_SUBTYPE_SH7724
         select ARCH_REQUIRE_GPIOLIB
         select SND_SOC_DA7210 if SND_SIMPLE_CARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Renesas "R0P7724LC0011/21RL (EcoVec)" support.
 
@@ -305,6 +313,7 @@ config SH_MAGIC_PANEL_R2
         bool "Magic Panel R2"
         depends on CPU_SUBTYPE_SH7720
         select ARCH_REQUIRE_GPIOLIB
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         help
           Select Magic Panel R2 if configuring for Magic Panel R2.
 
@@ -316,6 +325,7 @@ config SH_CAYMAN
 config SH_POLARIS
         bool "SMSC Polaris"
         select CPU_HAS_IPR_IRQ
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7709
         help
           Select if configuring for an SMSC Polaris development board
@@ -323,6 +333,7 @@ config SH_POLARIS
 config SH_SH2007
         bool "SH-2007 board"
         select NO_IOPORT
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7780
         help
           SH-2007 is a single-board computer based around SH7780 chip
@@ -334,6 +345,7 @@ config SH_SH2007
 config SH_APSH4A3A
         bool "AP-SH4A-3A"
         select SH_ALPHA_BOARD
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7785
         help
           Select AP-SH4A-3A if configuring for an ALPHAPROJECT AP-SH4A-3A.
@@ -342,6 +354,7 @@ config SH_APSH4AD0A
         bool "AP-SH4AD-0A"
         select SH_ALPHA_BOARD
         select SYS_SUPPORTS_PCI
+        select REGULATOR_FIXED_VOLTAGE if REGULATOR
         depends on CPU_SUBTYPE_SH7786
         help
           Select AP-SH4AD-0A if configuring for an ALPHAPROJECT AP-SH4AD-0A.
diff --git a/arch/sh/boards/board-apsh4a3a.c b/arch/sh/boards/board-apsh4a3a.c
index 2823619c6006..0a39c241628a 100644
--- a/arch/sh/boards/board-apsh4a3a.c
+++ b/arch/sh/boards/board-apsh4a3a.c
@@ -13,6 +13,8 @@
 #include <linux/platform_device.h>
 #include <linux/io.h>
 #include <linux/mtd/physmap.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
@@ -66,6 +68,12 @@ static struct platform_device nor_flash_device = {
         .resource       = nor_flash_resources,
 };
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -105,6 +113,8 @@ static struct platform_device *apsh4a3a_devices[] __initdata = {
 
 static int __init apsh4a3a_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(apsh4a3a_devices,
                                     ARRAY_SIZE(apsh4a3a_devices));
 }
diff --git a/arch/sh/boards/board-apsh4ad0a.c b/arch/sh/boards/board-apsh4ad0a.c
index b4d6292a9247..92eac3a99187 100644
--- a/arch/sh/boards/board-apsh4ad0a.c
+++ b/arch/sh/boards/board-apsh4ad0a.c
@@ -12,12 +12,20 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/irq.h>
 #include <linux/clk.h>
 #include <asm/machvec.h>
 #include <asm/sizes.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -56,6 +64,8 @@ static struct platform_device *apsh4ad0a_devices[] __initdata = {
 
 static int __init apsh4ad0a_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(apsh4ad0a_devices,
                                     ARRAY_SIZE(apsh4ad0a_devices));
 }
diff --git a/arch/sh/boards/board-magicpanelr2.c b/arch/sh/boards/board-magicpanelr2.c
index 90568f9de3a4..20500858b56c 100644
--- a/arch/sh/boards/board-magicpanelr2.c
+++ b/arch/sh/boards/board-magicpanelr2.c
@@ -14,6 +14,8 @@
 #include <linux/platform_device.h>
 #include <linux/delay.h>
 #include <linux/gpio.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
@@ -24,6 +26,12 @@
 #include <asm/heartbeat.h>
 #include <cpu/sh7720.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 #define LAN9115_READY   (__raw_readl(0xA8000084UL) & 0x00000001UL)
 
 /* Wait until reset finished. Timeout is 100ms. */
@@ -348,6 +356,8 @@ static struct platform_device *mpr2_devices[] __initdata = {
 
 static int __init mpr2_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(mpr2_devices, ARRAY_SIZE(mpr2_devices));
 }
 device_initcall(mpr2_devices_setup);
diff --git a/arch/sh/boards/board-polaris.c b/arch/sh/boards/board-polaris.c
index 0978ae2e4847..37a08d094727 100644
--- a/arch/sh/boards/board-polaris.c
+++ b/arch/sh/boards/board-polaris.c
@@ -9,6 +9,8 @@
 #include <linux/interrupt.h>
 #include <linux/irq.h>
 #include <linux/platform_device.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/io.h>
 #include <asm/irq.h>
@@ -22,6 +24,12 @@
 #define AREA5_WAIT_CTRL (0x1C00)
 #define WAIT_STATES_10  (0x7)
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -88,6 +96,8 @@ static int __init polaris_initialise(void)
 
         printk(KERN_INFO "Configuring Polaris external bus\n");
 
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* Configure area 5 with 2 wait states */
         wcr = __raw_readw(WCR2);
         wcr &= (~AREA5_WAIT_CTRL);
diff --git a/arch/sh/boards/board-sh2007.c b/arch/sh/boards/board-sh2007.c
index b90b78f6a829..1980bb7e5780 100644
--- a/arch/sh/boards/board-sh2007.c
+++ b/arch/sh/boards/board-sh2007.c
@@ -6,6 +6,8 @@
  */
 #include <linux/init.h>
 #include <linux/irq.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/platform_device.h>
 #include <linux/ata_platform.h>
@@ -13,6 +15,14 @@
 #include <asm/machvec.h>
 #include <mach/sh2007.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x.0"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.0"),
+        REGULATOR_SUPPLY("vddvario", "smsc911x.1"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x.1"),
+};
+
 struct smsc911x_platform_config smc911x_info = {
         .flags          = SMSC911X_USE_32BIT,
         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
@@ -98,6 +108,8 @@ static struct platform_device *sh2007_devices[] __initdata = {
 
 static int __init sh2007_io_init(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         platform_add_devices(sh2007_devices, ARRAY_SIZE(sh2007_devices));
         return 0;
 }
diff --git a/arch/sh/boards/board-sh7757lcr.c b/arch/sh/boards/board-sh7757lcr.c
index 5087f8bb4cff..41f86702eb9f 100644
--- a/arch/sh/boards/board-sh7757lcr.c
+++ b/arch/sh/boards/board-sh7757lcr.c
@@ -12,6 +12,8 @@
 #include <linux/platform_device.h>
 #include <linux/gpio.h>
 #include <linux/irq.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/spi/spi.h>
 #include <linux/spi/flash.h>
 #include <linux/io.h>
@@ -199,6 +201,15 @@ static struct platform_device sh7757_eth_giga1_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, MMCIF */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+};
+
 /* SH_MMCIF */
 static struct resource sh_mmcif_resources[] = {
         [0] = {
@@ -329,6 +340,9 @@ static struct spi_board_info spi_board_info[] = {
 
 static int __init sh7757lcr_devices_setup(void)
 {
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* RGMII (PTA) */
         gpio_request(GPIO_FN_ET0_MDC, NULL);
         gpio_request(GPIO_FN_ET0_MDIO, NULL);
diff --git a/arch/sh/boards/mach-ap325rxa/setup.c b/arch/sh/boards/mach-ap325rxa/setup.c
index f33ebf447073..9e963c1d1447 100644
--- a/arch/sh/boards/mach-ap325rxa/setup.c
+++ b/arch/sh/boards/mach-ap325rxa/setup.c
@@ -20,6 +20,8 @@
 #include <linux/mtd/sh_flctl.h>
 #include <linux/delay.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/gpio.h>
 #include <linux/videodev2.h>
@@ -34,6 +36,12 @@
 #include <asm/suspend.h>
 #include <cpu/sh7723.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct smsc911x_platform_config smsc911x_config = {
         .phy_interface  = PHY_INTERFACE_MODE_MII,
         .irq_polarity   = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
@@ -423,6 +431,15 @@ static struct platform_device ceu_device = {
         },
 };
 
+/* Fixed 3.3V regulators to be used by SDHI0, SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 static struct resource sdhi0_cn3_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -544,6 +561,10 @@ static int __init ap325rxa_devices_setup(void)
                                         &ap325rxa_sdram_leave_start,
                                         &ap325rxa_sdram_leave_end);
 
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+        regulator_register_fixed(1, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         /* LD3 and LD4 LEDs */
         gpio_request(GPIO_PTX5, NULL); /* RUN */
         gpio_direction_output(GPIO_PTX5, 1);
diff --git a/arch/sh/boards/mach-ecovec24/setup.c b/arch/sh/boards/mach-ecovec24/setup.c
index 4158d70c0dea..64559e8af14b 100644
--- a/arch/sh/boards/mach-ecovec24/setup.c
+++ b/arch/sh/boards/mach-ecovec24/setup.c
@@ -19,6 +19,8 @@
 #include <linux/interrupt.h>
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/usb/renesas_usbhs.h>
 #include <linux/i2c.h>
@@ -242,9 +244,17 @@ static int usbhs_get_id(struct platform_device *pdev)
         return gpio_get_value(GPIO_PTB3);
 }
 
+static void usbhs_phy_reset(struct platform_device *pdev)
+{
+        /* enable vbus if HOST */
+        if (!gpio_get_value(GPIO_PTB3))
+                gpio_set_value(GPIO_PTB5, 1);
+}
+
 static struct renesas_usbhs_platform_info usbhs_info = {
         .platform_callback = {
                 .get_id         = usbhs_get_id,
+                .phy_reset      = usbhs_phy_reset,
         },
         .driver_param = {
                 .buswait_bwait          = 4,
@@ -518,10 +528,86 @@ static struct i2c_board_info ts_i2c_clients = {
         .irq            = IRQ0,
 };
 
+static struct regulator_consumer_supply cn12_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mmcif.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
+static struct regulator_init_data cn12_power_init_data = {
+        .constraints = {
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(cn12_power_consumers),
+        .consumer_supplies      = cn12_power_consumers,
+};
+
+static struct fixed_voltage_config cn12_power_info = {
+        .supply_name = "CN12 SD/MMC Vdd",
+        .microvolts = 3300000,
+        .gpio = GPIO_PTB7,
+        .enable_high = 1,
+        .init_data = &cn12_power_init_data,
+};
+
+static struct platform_device cn12_power = {
+        .name = "reg-fixed-voltage",
+        .id   = 0,
+        .dev  = {
+                .platform_data = &cn12_power_info,
+        },
+};
+
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
 /* SDHI0 */
+static struct regulator_consumer_supply sdhi0_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
+static struct regulator_init_data sdhi0_power_init_data = {
+        .constraints = {
+                .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+        },
+        .num_consumer_supplies  = ARRAY_SIZE(sdhi0_power_consumers),
+        .consumer_supplies      = sdhi0_power_consumers,
+};
+
+static struct fixed_voltage_config sdhi0_power_info = {
+        .supply_name = "CN11 SD/MMC Vdd",
+        .microvolts = 3300000,
+        .gpio = GPIO_PTB6,
+        .enable_high = 1,
+        .init_data = &sdhi0_power_init_data,
+};
+
+static struct platform_device sdhi0_power = {
+        .name = "reg-fixed-voltage",
+        .id   = 1,
+        .dev  = {
+                .platform_data = &sdhi0_power_info,
+        },
+};
+
 static void sdhi0_set_pwr(struct platform_device *pdev, int state)
 {
+        static int power_gpio = -EINVAL;
+
+        if (power_gpio < 0) {
+                int ret = gpio_request(GPIO_PTB6, NULL);
+                if (!ret) {
+                        power_gpio = GPIO_PTB6;
+                        gpio_direction_output(power_gpio, 0);
+                }
+        }
+
+        /*
+         * Toggle the GPIO regardless, whether we managed to grab it above or
+         * the fixed regulator driver did.
+         */
         gpio_set_value(GPIO_PTB6, state);
 }
 
@@ -562,13 +648,27 @@ static struct platform_device sdhi0_device = {
         },
 };
 
-#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
-/* SDHI1 */
-static void sdhi1_set_pwr(struct platform_device *pdev, int state)
+static void cn12_set_pwr(struct platform_device *pdev, int state)
 {
+        static int power_gpio = -EINVAL;
+
+        if (power_gpio < 0) {
+                int ret = gpio_request(GPIO_PTB7, NULL);
+                if (!ret) {
+                        power_gpio = GPIO_PTB7;
+                        gpio_direction_output(power_gpio, 0);
+                }
+        }
+
+        /*
+         * Toggle the GPIO regardless, whether we managed to grab it above or
+         * the fixed regulator driver did.
+         */
         gpio_set_value(GPIO_PTB7, state);
 }
 
+#if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
+/* SDHI1 */
 static int sdhi1_get_cd(struct platform_device *pdev)
 {
         return !gpio_get_value(GPIO_PTW7);
@@ -579,7 +679,7 @@ static struct sh_mobile_sdhi_info sdhi1_info = {
         .dma_slave_rx   = SHDMA_SLAVE_SDHI1_RX,
         .tmio_caps      = MMC_CAP_SDIO_IRQ | MMC_CAP_POWER_OFF_CARD |
                           MMC_CAP_NEEDS_POLL,
-        .set_pwr        = sdhi1_set_pwr,
+        .set_pwr        = cn12_set_pwr,
         .get_cd         = sdhi1_get_cd,
 };
 
@@ -899,14 +999,9 @@ static struct platform_device vou_device = {
 
 #if defined(CONFIG_MMC_SH_MMCIF) || defined(CONFIG_MMC_SH_MMCIF_MODULE)
 /* SH_MMCIF */
-static void mmcif_set_pwr(struct platform_device *pdev, int state)
-{
-        gpio_set_value(GPIO_PTB7, state);
-}
-
 static void mmcif_down_pwr(struct platform_device *pdev)
 {
-        gpio_set_value(GPIO_PTB7, 0);
+        cn12_set_pwr(pdev, 0);
 }
 
 static struct resource sh_mmcif_resources[] = {
@@ -929,7 +1024,7 @@ static struct resource sh_mmcif_resources[] = {
 };
 
 static struct sh_mmcif_plat_data sh_mmcif_plat = {
-        .set_pwr        = mmcif_set_pwr,
+        .set_pwr        = cn12_set_pwr,
         .down_pwr       = mmcif_down_pwr,
         .sup_pclk       = 0, /* SH7724: Max Pclk/2 */
         .caps           = MMC_CAP_4_BIT_DATA |
@@ -960,7 +1055,9 @@ static struct platform_device *ecovec_devices[] __initdata = {
         &ceu0_device,
         &ceu1_device,
         &keysc_device,
+        &cn12_power,
 #if defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
+        &sdhi0_power,
         &sdhi0_device,
 #if !defined(CONFIG_MMC_SH_MMCIF) && !defined(CONFIG_MMC_SH_MMCIF_MODULE)
         &sdhi1_device,
@@ -1258,8 +1355,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_SDHI0D2,  NULL);
         gpio_request(GPIO_FN_SDHI0D1,  NULL);
         gpio_request(GPIO_FN_SDHI0D0,  NULL);
-        gpio_request(GPIO_PTB6, NULL);
-        gpio_direction_output(GPIO_PTB6, 0);
 #else
         /* enable MSIOF0 on CN11 (needs DS2.4 set to OFF) */
         gpio_request(GPIO_FN_MSIOF0_TXD, NULL);
@@ -1288,8 +1383,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_MMC_D0, NULL);
         gpio_request(GPIO_FN_MMC_CLK, NULL);
         gpio_request(GPIO_FN_MMC_CMD, NULL);
-        gpio_request(GPIO_PTB7, NULL);
-        gpio_direction_output(GPIO_PTB7, 0);
 
         cn12_enabled = true;
 #elif defined(CONFIG_MMC_SDHI) || defined(CONFIG_MMC_SDHI_MODULE)
@@ -1301,8 +1394,6 @@ static int __init arch_setup(void)
         gpio_request(GPIO_FN_SDHI1D2,  NULL);
         gpio_request(GPIO_FN_SDHI1D1,  NULL);
         gpio_request(GPIO_FN_SDHI1D0,  NULL);
-        gpio_request(GPIO_PTB7, NULL);
-        gpio_direction_output(GPIO_PTB7, 0);
 
         /* Card-detect, used on CN12 with SDHI1 */
         gpio_request(GPIO_PTW7, NULL);
diff --git a/arch/sh/boards/mach-kfr2r09/setup.c b/arch/sh/boards/mach-kfr2r09/setup.c
index 43a179ce9afc..f2a4304fbe23 100644
--- a/arch/sh/boards/mach-kfr2r09/setup.c
+++ b/arch/sh/boards/mach-kfr2r09/setup.c
@@ -21,6 +21,8 @@
 #include <linux/input.h>
 #include <linux/input/sh_keysc.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/usb/r8a66597.h>
 #include <linux/videodev2.h>
 #include <linux/sh_intc.h>
@@ -341,6 +343,13 @@ static struct platform_device kfr2r09_camera = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 static struct resource kfr2r09_sh_sdhi0_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -523,6 +532,9 @@ static int __init kfr2r09_devices_setup(void)
                                         &kfr2r09_sdram_leave_start,
                                         &kfr2r09_sdram_leave_end);
 
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* enable SCIF1 serial port for YC401 console support */
         gpio_request(GPIO_FN_SCIF1_RXD, NULL);
         gpio_request(GPIO_FN_SCIF1_TXD, NULL);
diff --git a/arch/sh/boards/mach-migor/setup.c b/arch/sh/boards/mach-migor/setup.c
index a8a1ca741c85..8b73194ed2ce 100644
--- a/arch/sh/boards/mach-migor/setup.c
+++ b/arch/sh/boards/mach-migor/setup.c
@@ -17,6 +17,8 @@
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/nand.h>
 #include <linux/i2c.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smc91x.h>
 #include <linux/delay.h>
 #include <linux/clk.h>
@@ -386,6 +388,13 @@ static struct platform_device migor_ceu_device = {
         },
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+};
+
 static struct resource sdhi_cn9_resources[] = {
         [0] = {
                 .name   = "SDHI",
@@ -498,6 +507,10 @@ static int __init migor_devices_setup(void)
                                         &migor_sdram_enter_end,
                                         &migor_sdram_leave_start,
                                         &migor_sdram_leave_end);
+
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* Let D11 LED show STATUS0 */
         gpio_request(GPIO_FN_STATUS0, NULL);
 
diff --git a/arch/sh/boards/mach-rsk/setup.c b/arch/sh/boards/mach-rsk/setup.c
index 895f030070d3..2685ea03b064 100644
--- a/arch/sh/boards/mach-rsk/setup.c
+++ b/arch/sh/boards/mach-rsk/setup.c
@@ -16,9 +16,17 @@
 #include <linux/mtd/partitions.h>
 #include <linux/mtd/physmap.h>
 #include <linux/mtd/map.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <asm/machvec.h>
 #include <asm/io.h>
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static const char *part_probes[] = { "cmdlinepart", NULL };
 
 static struct mtd_partition rsk_partitions[] = {
@@ -67,6 +75,8 @@ static struct platform_device *rsk_devices[] __initdata = {
 
 static int __init rsk_devices_setup(void)
 {
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         return platform_add_devices(rsk_devices,
                                     ARRAY_SIZE(rsk_devices));
 }
diff --git a/arch/sh/boards/mach-sdk7786/setup.c b/arch/sh/boards/mach-sdk7786/setup.c
index 27a2314f50ac..c29268bfd34a 100644
--- a/arch/sh/boards/mach-sdk7786/setup.c
+++ b/arch/sh/boards/mach-sdk7786/setup.c
@@ -11,6 +11,8 @@
 #include <linux/init.h>
 #include <linux/platform_device.h>
 #include <linux/io.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smsc911x.h>
 #include <linux/i2c.h>
 #include <linux/irq.h>
@@ -38,6 +40,12 @@ static struct platform_device heartbeat_device = {
         .resource       = &heartbeat_resource,
 };
 
+/* Dummy supplies, where voltage doesn't matter */
+static struct regulator_consumer_supply dummy_supplies[] = {
+        REGULATOR_SUPPLY("vddvario", "smsc911x"),
+        REGULATOR_SUPPLY("vdd33a", "smsc911x"),
+};
+
 static struct resource smsc911x_resources[] = {
         [0] = {
                 .name           = "smsc911x-memory",
@@ -236,6 +244,8 @@ static void __init sdk7786_setup(char **cmdline_p)
 {
         pr_info("Renesas Technology Europe SDK7786 support:\n");
 
+        regulator_register_fixed(0, dummy_supplies, ARRAY_SIZE(dummy_supplies));
+
         sdk7786_fpga_init();
         sdk7786_nmi_init();
 
diff --git a/arch/sh/boards/mach-se/7724/setup.c b/arch/sh/boards/mach-se/7724/setup.c
index ffbf5bc7366b..35f6efa3ac0e 100644
--- a/arch/sh/boards/mach-se/7724/setup.c
+++ b/arch/sh/boards/mach-se/7724/setup.c
@@ -18,6 +18,8 @@
 #include <linux/mmc/sh_mobile_sdhi.h>
 #include <linux/mtd/physmap.h>
 #include <linux/delay.h>
+#include <linux/regulator/fixed.h>
+#include <linux/regulator/machine.h>
 #include <linux/smc91x.h>
 #include <linux/gpio.h>
 #include <linux/input.h>
@@ -454,6 +456,15 @@ static struct platform_device sh7724_usb1_gadget_device = {
         .resource       = sh7724_usb1_gadget_resources,
 };
 
+/* Fixed 3.3V regulator to be used by SDHI0, SDHI1 */
+static struct regulator_consumer_supply fixed3v3_power_consumers[] =
+{
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.0"),
+        REGULATOR_SUPPLY("vmmc", "sh_mobile_sdhi.1"),
+        REGULATOR_SUPPLY("vqmmc", "sh_mobile_sdhi.1"),
+};
+
 static struct resource sdhi0_cn7_resources[] = {
         [0] = {
                 .name   = "SDHI0",
@@ -684,6 +695,10 @@ static int __init devices_setup(void)
                                         &ms7724se_sdram_enter_end,
                                         &ms7724se_sdram_leave_start,
                                         &ms7724se_sdram_leave_end);
+
+        regulator_register_always_on(0, "fixed-3.3V", fixed3v3_power_consumers,
+                                     ARRAY_SIZE(fixed3v3_power_consumers), 3300000);
+
         /* Reset Release */
         fpga_out = __raw_readw(FPGA_OUT);
         /* bit4: NTSC_PDN, bit5: NTSC_RESET */
diff --git a/arch/sh/include/cpu-sh4/cpu/sh7757.h b/arch/sh/include/cpu-sh4/cpu/sh7757.h
index 41f9f8b9db73..5340f3bc1863 100644
--- a/arch/sh/include/cpu-sh4/cpu/sh7757.h
+++ b/arch/sh/include/cpu-sh4/cpu/sh7757.h
@@ -283,5 +283,7 @@ enum {
         SHDMA_SLAVE_RIIC8_RX,
         SHDMA_SLAVE_RIIC9_TX,
         SHDMA_SLAVE_RIIC9_RX,
+        SHDMA_SLAVE_RSPI_TX,
+        SHDMA_SLAVE_RSPI_RX,
 };
 #endif /* __ASM_SH7757_H__ */
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
index c87e78f73234..5f30f805d2f2 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7724.c
@@ -334,8 +334,8 @@ static struct clk_lookup lookups[] = {
         CLKDEV_CON_ID("tpu0", &mstp_clks[HWBLK_TPU]),
         CLKDEV_CON_ID("irda0", &mstp_clks[HWBLK_IRDA]),
         CLKDEV_CON_ID("tsif0", &mstp_clks[HWBLK_TSIF]),
-        CLKDEV_CON_ID("usb1", &mstp_clks[HWBLK_USB1]),
-        CLKDEV_CON_ID("usb0", &mstp_clks[HWBLK_USB0]),
+        CLKDEV_DEV_ID("renesas_usbhs.1", &mstp_clks[HWBLK_USB1]),
+        CLKDEV_DEV_ID("renesas_usbhs.0", &mstp_clks[HWBLK_USB0]),
         CLKDEV_CON_ID("2dg0", &mstp_clks[HWBLK_2DG]),
         CLKDEV_DEV_ID("sh_mobile_sdhi.0", &mstp_clks[HWBLK_SDHI0]),
         CLKDEV_DEV_ID("sh_mobile_sdhi.1", &mstp_clks[HWBLK_SDHI1]),
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
index 65786c7f5ded..6a868b091c2d 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7722.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/serial.h>
 #include <linux/serial_sci.h>
+#include <linux/sh_dma.h>
 #include <linux/sh_timer.h>
 #include <linux/sh_intc.h>
 #include <linux/uio_driver.h>
diff --git a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
index a7708425afa9..4a2f357f4df8 100644
--- a/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
+++ b/arch/sh/kernel/cpu/sh4a/setup-sh7757.c
@@ -216,6 +216,20 @@ static const struct sh_dmae_slave_config sh7757_dmae1_slaves[] = {
                                   TS_INDEX2VAL(XMIT_SZ_8BIT),
                 .mid_rid        = 0x42,
         },
+        {
+                .slave_id       = SHDMA_SLAVE_RSPI_TX,
+                .addr           = 0xfe480004,
+                .chcr           = SM_INC | 0x800 | 0x40000000 |
+                                  TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc1,
+        },
+        {
+                .slave_id       = SHDMA_SLAVE_RSPI_RX,
+                .addr           = 0xfe480004,
+                .chcr           = DM_INC | 0x800 | 0x40000000 |
+                                  TS_INDEX2VAL(XMIT_SZ_16BIT),
+                .mid_rid        = 0xc2,
+        },
 };
 
 static const struct sh_dmae_slave_config sh7757_dmae2_slaves[] = {
diff --git a/arch/sh/mm/fault.c b/arch/sh/mm/fault.c
index 1fc25d85e515..3bdc1ad9a341 100644
--- a/arch/sh/mm/fault.c
+++ b/arch/sh/mm/fault.c
@@ -58,11 +58,15 @@ static void show_pte(struct mm_struct *mm, unsigned long addr)
 {
         pgd_t *pgd;
 
-        if (mm)
+        if (mm) {
                 pgd = mm->pgd;
-        else
+        } else {
                 pgd = get_TTB();
 
+                if (unlikely(!pgd))
+                        pgd = swapper_pg_dir;
+        }
+
         printk(KERN_ALERT "pgd = %p\n", pgd);
         pgd += pgd_index(addr);
         printk(KERN_ALERT "[%08lx] *pgd=%0*Lx", addr,
diff --git a/drivers/dma/sh/shdma-base.c b/drivers/dma/sh/shdma-base.c
index 27f5c781fd73..f4cd946d259d 100644
--- a/drivers/dma/sh/shdma-base.c
+++ b/drivers/dma/sh/shdma-base.c
@@ -483,6 +483,7 @@ static struct shdma_desc *shdma_add_desc(struct shdma_chan *schan,
         new->mark = DESC_PREPARED;
         new->async_tx.flags = flags;
         new->direction = direction;
+        new->partial = 0;
 
         *len -= copy_size;
         if (direction == DMA_MEM_TO_MEM || direction == DMA_MEM_TO_DEV)
@@ -644,6 +645,14 @@ static int shdma_control(struct dma_chan *chan, enum dma_ctrl_cmd cmd,
         case DMA_TERMINATE_ALL:
                 spin_lock_irqsave(&schan->chan_lock, flags);
                 ops->halt_channel(schan);
+
+                if (ops->get_partial && !list_empty(&schan->ld_queue)) {
+                        /* Record partial transfer */
+                        struct shdma_desc *desc = list_first_entry(&schan->ld_queue,
+                                                struct shdma_desc, node);
+                        desc->partial = ops->get_partial(schan, desc);
+                }
+
                 spin_unlock_irqrestore(&schan->chan_lock, flags);
 
                 shdma_chan_ld_cleanup(schan, true);
diff --git a/drivers/dma/sh/shdma.c b/drivers/dma/sh/shdma.c
index 027c9be97654..f41bcc5267fd 100644
--- a/drivers/dma/sh/shdma.c
+++ b/drivers/dma/sh/shdma.c
@@ -381,6 +381,17 @@ static bool sh_dmae_chan_irq(struct shdma_chan *schan, int irq)
         return true;
 }
 
+static size_t sh_dmae_get_partial(struct shdma_chan *schan,
+                                  struct shdma_desc *sdesc)
+{
+        struct sh_dmae_chan *sh_chan = container_of(schan, struct sh_dmae_chan,
+                                                    shdma_chan);
+        struct sh_dmae_desc *sh_desc = container_of(sdesc,
+                                        struct sh_dmae_desc, shdma_desc);
+        return (sh_desc->hw.tcr - sh_dmae_readl(sh_chan, TCR)) <<
+                sh_chan->xmit_shift;
+}
+
 /* Called from error IRQ or NMI */
 static bool sh_dmae_reset(struct sh_dmae_device *shdev)
 {
@@ -632,6 +643,7 @@ static const struct shdma_ops sh_dmae_shdma_ops = {
         .start_xfer = sh_dmae_start_xfer,
         .embedded_desc = sh_dmae_embedded_desc,
         .chan_irq = sh_dmae_chan_irq,
+        .get_partial = sh_dmae_get_partial,
 };
 
 static int __devinit sh_dmae_probe(struct platform_device *pdev)
diff --git a/drivers/sh/intc/Kconfig b/drivers/sh/intc/Kconfig
index c88cbccc62b0..a305731742a9 100644
--- a/drivers/sh/intc/Kconfig
+++ b/drivers/sh/intc/Kconfig
@@ -1,3 +1,7 @@
+config SH_INTC
+        def_bool y
+        select IRQ_DOMAIN
+
 comment "Interrupt controller options"
 
 config INTC_USERIMASK
diff --git a/drivers/sh/intc/Makefile b/drivers/sh/intc/Makefile
index 44f006d09471..54ec2a0643df 100644
--- a/drivers/sh/intc/Makefile
+++ b/drivers/sh/intc/Makefile
@@ -1,4 +1,4 @@
-obj-y   := access.o chip.o core.o handle.o virq.o
+obj-y   := access.o chip.o core.o handle.o irqdomain.o virq.o
 
 obj-$(CONFIG_INTC_BALANCING)            += balancing.o
 obj-$(CONFIG_INTC_USERIMASK)            += userimask.o
diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c
index 7e562ccb6997..2374468615ed 100644
--- a/drivers/sh/intc/core.c
+++ b/drivers/sh/intc/core.c
@@ -25,6 +25,7 @@
 #include <linux/stat.h>
 #include <linux/interrupt.h>
 #include <linux/sh_intc.h>
+#include <linux/irqdomain.h>
 #include <linux/device.h>
 #include <linux/syscore_ops.h>
 #include <linux/list.h>
@@ -310,6 +311,8 @@ int __init register_intc_controller(struct intc_desc *desc)
 
         BUG_ON(k > 256); /* _INTC_ADDR_E() and _INTC_ADDR_D() are 8 bits */
 
+        intc_irq_domain_init(d, hw);
+
         /* register the vectors one by one */
         for (i = 0; i < hw->nr_vectors; i++) {
                 struct intc_vect *vect = hw->vectors + i;
@@ -319,8 +322,8 @@ int __init register_intc_controller(struct intc_desc *desc)
                 if (!vect->enum_id)
                         continue;
 
-                res = irq_alloc_desc_at(irq, numa_node_id());
-                if (res != irq && res != -EEXIST) {
+                res = irq_create_identity_mapping(d->domain, irq);
+                if (unlikely(res)) {
                         pr_err("can't get irq_desc for %d\n", irq);
                         continue;
                 }
@@ -340,8 +343,8 @@ int __init register_intc_controller(struct intc_desc *desc)
                          * IRQ support, each vector still needs to have
                          * its own backing irq_desc.
                          */
-                        res = irq_alloc_desc_at(irq2, numa_node_id());
-                        if (res != irq2 && res != -EEXIST) {
+                        res = irq_create_identity_mapping(d->domain, irq2);
+                        if (unlikely(res)) {
                                 pr_err("can't get irq_desc for %d\n", irq2);
                                 continue;
                         }
diff --git a/drivers/sh/intc/internals.h b/drivers/sh/intc/internals.h
index f034a979a16f..7dff08e2a071 100644
--- a/drivers/sh/intc/internals.h
+++ b/drivers/sh/intc/internals.h
@@ -1,5 +1,6 @@
 #include <linux/sh_intc.h>
 #include <linux/irq.h>
+#include <linux/irqdomain.h>
 #include <linux/list.h>
 #include <linux/kernel.h>
 #include <linux/types.h>
@@ -66,6 +67,7 @@ struct intc_desc_int {
         unsigned int nr_sense;
         struct intc_window *window;
         unsigned int nr_windows;
+        struct irq_domain *domain;
         struct irq_chip chip;
         bool skip_suspend;
 };
@@ -187,6 +189,9 @@ unsigned long intc_get_ack_handle(unsigned int irq);
 void intc_enable_disable_enum(struct intc_desc *desc, struct intc_desc_int *d,
                               intc_enum enum_id, int enable);
 
+/* irqdomain.c */
+void intc_irq_domain_init(struct intc_desc_int *d, struct intc_hw_desc *hw);
+
 /* virq.c */
 void intc_subgroup_init(struct intc_desc *desc, struct intc_desc_int *d);
 void intc_irq_xlate_set(unsigned int irq, intc_enum id, struct intc_desc_int *d);
diff --git a/drivers/sh/intc/irqdomain.c b/drivers/sh/intc/irqdomain.c
new file mode 100644
index 000000000000..3968f1c3c5c3
--- /dev/null
+++ b/drivers/sh/intc/irqdomain.c
@@ -0,0 +1,68 @@
+/*
+ * IRQ domain support for SH INTC subsystem
+ *
+ * Copyright (C) 2012  Paul Mundt
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License.  See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+#define pr_fmt(fmt) "intc: " fmt
+
+#include <linux/irqdomain.h>
+#include <linux/sh_intc.h>
+#include <linux/export.h>
+#include "internals.h"
+
+/**
+ * intc_irq_domain_evt_xlate() - Generic xlate for vectored IRQs.
+ *
+ * This takes care of exception vector to hwirq translation through
+ * by way of evt2irq() translation.
+ *
+ * Note: For platforms that use a flat vector space without INTEVT this
+ * basically just mimics irq_domain_xlate_onecell() by way of a nopped
+ * out evt2irq() implementation.
+ */
+static int intc_evt_xlate(struct irq_domain *d, struct device_node *ctrlr,
+                          const u32 *intspec, unsigned int intsize,
+                          unsigned long *out_hwirq, unsigned int *out_type)
+{
+        if (WARN_ON(intsize < 1))
+                return -EINVAL;
+
+        *out_hwirq = evt2irq(intspec[0]);
+        *out_type = IRQ_TYPE_NONE;
+
+        return 0;
+}
+
+static const struct irq_domain_ops intc_evt_ops = {
+        .xlate          = intc_evt_xlate,
+};
+
+void __init intc_irq_domain_init(struct intc_desc_int *d,
+                                 struct intc_hw_desc *hw)
+{
+        unsigned int irq_base, irq_end;
+
+        /*
+         * Quick linear revmap check
+         */
+        irq_base = evt2irq(hw->vectors[0].vect);
+        irq_end = evt2irq(hw->vectors[hw->nr_vectors - 1].vect);
+
+        /*
+         * Linear domains have a hard-wired assertion that IRQs start at
+         * 0 in order to make some performance optimizations. Lamely
+         * restrict the linear case to these conditions here, taking the
+         * tree penalty for linear cases with non-zero hwirq bases.
+         */
+        if (irq_base == 0 && irq_end == (irq_base + hw->nr_vectors - 1))
+                d->domain = irq_domain_add_linear(NULL, hw->nr_vectors,
+                                                  &intc_evt_ops, NULL);
+        else
+                d->domain = irq_domain_add_tree(NULL, &intc_evt_ops, NULL);
+
+        BUG_ON(!d->domain);
+}
diff --git a/drivers/sh/pfc/pinctrl.c b/drivers/sh/pfc/pinctrl.c
index 0802b6c0d653..2804eaae804e 100644
--- a/drivers/sh/pfc/pinctrl.c
+++ b/drivers/sh/pfc/pinctrl.c
@@ -276,7 +276,6 @@ static int sh_pfc_pinconf_set(struct pinctrl_dev *pctldev, unsigned pin,
                               unsigned long config)
 {
         struct sh_pfc_pinctrl *pmx = pinctrl_dev_get_drvdata(pctldev);
-        struct sh_pfc *pfc = pmx->pfc;
 
         /* Validate the new type */
         if (config >= PINMUX_FLAG_TYPE)
@@ -326,20 +325,6 @@ static struct pinctrl_desc sh_pfc_pinctrl_desc = {
         .confops        = &sh_pfc_pinconf_ops,
 };
 
-int sh_pfc_register_pinctrl(struct sh_pfc *pfc)
-{
-        sh_pfc_pmx = kzalloc(sizeof(struct sh_pfc_pinctrl), GFP_KERNEL);
-        if (unlikely(!sh_pfc_pmx))
-                return -ENOMEM;
-
-        spin_lock_init(&sh_pfc_pmx->lock);
-
-        sh_pfc_pmx->pfc = pfc;
-
-        return 0;
-}
-EXPORT_SYMBOL_GPL(sh_pfc_register_pinctrl);
-
 static inline void __devinit sh_pfc_map_one_gpio(struct sh_pfc *pfc,
                                                  struct sh_pfc_pinctrl *pmx,
                                                  struct pinmux_gpio *gpio,
@@ -481,7 +466,6 @@ static int __devexit sh_pfc_pinctrl_remove(struct platform_device *pdev)
 {
         struct sh_pfc_pinctrl *pmx = platform_get_drvdata(pdev);
 
-        pinctrl_remove_gpio_range(pmx->pctl, &sh_pfc_gpio_range);
         pinctrl_unregister(pmx->pctl);
 
         platform_set_drvdata(pdev, NULL);
@@ -507,7 +491,7 @@ static struct platform_device sh_pfc_pinctrl_device = {
         .id             = -1,
 };
 
-static int __init sh_pfc_pinctrl_init(void)
+static int sh_pfc_pinctrl_init(void)
 {
         int rc;
 
@@ -521,10 +505,22 @@ static int __init sh_pfc_pinctrl_init(void)
         return rc;
 }
 
+int sh_pfc_register_pinctrl(struct sh_pfc *pfc)
+{
+        sh_pfc_pmx = kzalloc(sizeof(struct sh_pfc_pinctrl), GFP_KERNEL);
+        if (unlikely(!sh_pfc_pmx))
+                return -ENOMEM;
+
+        spin_lock_init(&sh_pfc_pmx->lock);
+
+        sh_pfc_pmx->pfc = pfc;
+
+        return sh_pfc_pinctrl_init();
+}
+EXPORT_SYMBOL_GPL(sh_pfc_register_pinctrl);
+
 static void __exit sh_pfc_pinctrl_exit(void)
 {
         platform_driver_unregister(&sh_pfc_pinctrl_driver);
 }
-
-subsys_initcall(sh_pfc_pinctrl_init);
 module_exit(sh_pfc_pinctrl_exit);
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index d4d8c9453cd8..9be296cf7295 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -25,6 +25,7 @@
 
 #include <linux/module.h>
 #include <linux/errno.h>
+#include <linux/sh_dma.h>
 #include <linux/timer.h>
 #include <linux/interrupt.h>
 #include <linux/tty.h>
@@ -1410,8 +1411,8 @@ static void work_fn_rx(struct work_struct *work)
                 /* Handle incomplete DMA receive */
                 struct tty_struct *tty = port->state->port.tty;
                 struct dma_chan *chan = s->chan_rx;
-                struct sh_desc *sh_desc = container_of(desc, struct sh_desc,
-                                                       async_tx);
+                struct shdma_desc *sh_desc = container_of(desc,
+                                        struct shdma_desc, async_tx);
                 unsigned long flags;
                 int count;
 
diff --git a/include/linux/shdma-base.h b/include/linux/shdma-base.h
index 93f9821554b6..a3728bf66f0e 100644
--- a/include/linux/shdma-base.h
+++ b/include/linux/shdma-base.h
@@ -50,6 +50,7 @@ struct shdma_desc {
         struct list_head node;
         struct dma_async_tx_descriptor async_tx;
         enum dma_transfer_direction direction;
+        size_t partial;
         dma_cookie_t cookie;
         int chunks;
         int mark;
@@ -98,6 +99,7 @@ struct shdma_ops {
         void (*start_xfer)(struct shdma_chan *, struct shdma_desc *);
         struct shdma_desc *(*embedded_desc)(void *, int);
         bool (*chan_irq)(struct shdma_chan *, int);
+        size_t (*get_partial)(struct shdma_chan *, struct shdma_desc *);
 };
 
 struct shdma_dev {