Merge tag 'mfd-for-linus-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd

Pull MFD update from Lee Jones: "Changes to existing drivers: - checkpatch fixes throughout the subsystem - use Regmap to handle IRQs in max77686, extcon-max77693 and mc13xxx-core - use DMA in rtsx_pcr - restrict building on unsupported architectures on timberdale, cs5535 - SPI hardening in cros_ec_spi - more robust error handing in asic3, cros_ec, ab8500-debugfs, max77686 and pcf50633-core - reorder PM runtime and regulator handing during shutdown in arizona - enable wakeup in cros_ec_spi - unused variable/code clean-up in pm8921-core, cros_ec, htc-i2cpld, tps65912-spi, wm5110-tables and ab8500-debugfs - add regulator handing into suspend() in sec-core - remove pointless wrapper functions in extcon-max77693 and i2c-cros-ec-tunnel - use cross-architecture friendly data sizes in stmpe-i2c, arizona, max77686 and tps65910 - devicetree documentation updates throughout - provide power management support in max77686 - few OF clean-ups in max77686 - use manged resources in tps6105x New drivers/supported devices: - add support for s2mpu02 to sec-core - add support for Allwinner A32 to sun6i-prcm - add support for Maxim 77802 in max77686 - add support for DA9063 AD in da9063 - new driver for Intel PMICs (generic) and specifically Crystal Cove (Re-)moved drivers == - move out keyboard functionality cros_ec ==> input/keyboard/cros_ec_keyb" * tag 'mfd-for-linus-3.17' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/mfd: (101 commits) MAINTAINERS: Update MFD repo location mfd: omap-usb-host: Fix improper mask use. mfd: arizona: Only free the CTRLIF_ERR IRQ if we requested it mfd: arizona: Add missing handling for ISRC3 under/overclocked mfd: wm5110: Add new interrupt register definitions mfd: arizona: Rename thermal shutdown interrupt mfd: wm5110: Add in the output done interrupts mfd: wm5110: Remove non-existant interrupts mfd: tps65912-spi: Remove unused variable mfd: htc-i2cpld: Remove unused code mfd: da9063: Add support for AD silicon variant mfd: arizona: Map MICVDD from extcon device to the Arizona core mfd: arizona: Add MICVDD to mapped regulators for wm8997 mfd: max77686: Ensure device type IDs are architecture agnostic mfd: max77686: Add Maxim 77802 PMIC support mfd: tps6105x: Use managed resources when allocating memory mfd: wm8997-tables: Suppress 'line over 80 chars' warnings mfd: kempld-core: Correct a variety of checkpatch warnings mfd: ipaq-micro: Fix coding style errors/warnings reported by checkpatch mfd: si476x-cmd: Remedy checkpatch style complains ...
author: Linus Torvalds <torvalds@linux-foundation.org> 2014-08-08 04:17:39 +0400
committer: Linus Torvalds <torvalds@linux-foundation.org> 2014-08-08 04:17:39 +0400
commit: 54c72d5987ff9f3cf59529d5d4f5cf19eae3f695 (patch)
tree: 3fee972d54926627895aa07684ddb2e2388e4614 /drivers/mfd
parent: 66bb0aa077978dbb76e6283531eb3cc7a878de38 (diff)
parent: 7caa79917ad4c1f91366b11f18e48623554aaa52 (diff)
download: linux-54c72d5987ff9f3cf59529d5d4f5cf19eae3f695.tar.xz
61 files changed, 1869 insertions, 1164 deletions
diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c
index 64751c2a1ace..e9d50644660c 100644
--- a/drivers/mfd/88pm805.c
+++ b/drivers/mfd/88pm805.c
@@ -158,7 +158,7 @@ static int device_irq_init_805(struct pm80x_chip *chip)
 	 * PM805_INT_STATUS is under 32K clock domain, so need to
 	 * add proper delay before the next I2C register access.
 	 */
-	msleep(1);
+	usleep_range(1000, 3000);
 
 	if (ret < 0)
 		goto out;
diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c
index bcfc9e85b4a0..3a2604580164 100644
--- a/drivers/mfd/88pm860x-core.c
+++ b/drivers/mfd/88pm860x-core.c
@@ -2,7 +2,8 @@
  * Base driver for Marvell 88PM8607
  *
  * Copyright (C) 2009 Marvell International Ltd.
- * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * Author: Haojian Zhuang <haojian.zhuang@marvell.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
@@ -140,7 +141,8 @@ static struct resource codec_resources[] = {
 	/* Headset insertion or removal */
 	{PM8607_IRQ_HEADSET, PM8607_IRQ_HEADSET, "headset", IORESOURCE_IRQ,},
 	/* Audio short */
-	{PM8607_IRQ_AUDIO_SHORT, PM8607_IRQ_AUDIO_SHORT, "audio-short", IORESOURCE_IRQ,},
+	{PM8607_IRQ_AUDIO_SHORT, PM8607_IRQ_AUDIO_SHORT, "audio-short",
+	 IORESOURCE_IRQ,},
 };
 
 static struct resource battery_resources[] = {
@@ -150,10 +152,14 @@ static struct resource battery_resources[] = {
 
 static struct resource charger_resources[] = {
 	{PM8607_IRQ_CHG,  PM8607_IRQ_CHG,  "charger detect",  IORESOURCE_IRQ,},
-	{PM8607_IRQ_CHG_DONE,  PM8607_IRQ_CHG_DONE,  "charging done",       IORESOURCE_IRQ,},
-	{PM8607_IRQ_CHG_FAIL,  PM8607_IRQ_CHG_FAIL,  "charging timeout",    IORESOURCE_IRQ,},
-	{PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging fault",	    IORESOURCE_IRQ,},
-	{PM8607_IRQ_GPADC1,    PM8607_IRQ_GPADC1,    "battery temperature", IORESOURCE_IRQ,},
+	{PM8607_IRQ_CHG_DONE,  PM8607_IRQ_CHG_DONE,  "charging done",
+	 IORESOURCE_IRQ,},
+	{PM8607_IRQ_CHG_FAIL,  PM8607_IRQ_CHG_FAIL,  "charging timeout",
+	 IORESOURCE_IRQ,},
+	{PM8607_IRQ_CHG_FAULT, PM8607_IRQ_CHG_FAULT, "charging fault",
+	 IORESOURCE_IRQ,},
+	{PM8607_IRQ_GPADC1,    PM8607_IRQ_GPADC1,    "battery temperature",
+	 IORESOURCE_IRQ,},
 	{PM8607_IRQ_VBAT, PM8607_IRQ_VBAT, "battery voltage", IORESOURCE_IRQ,},
 	{PM8607_IRQ_VCHG, PM8607_IRQ_VCHG, "vchg voltage",    IORESOURCE_IRQ,},
 };
@@ -568,8 +574,8 @@ static struct irq_domain_ops pm860x_irq_domain_ops = {
 static int device_irq_init(struct pm860x_chip *chip,
 				     struct pm860x_platform_data *pdata)
 {
-	struct i2c_client *i2c = (chip->id == CHIP_PM8607) ? chip->client \
-				: chip->companion;
+	struct i2c_client *i2c = (chip->id == CHIP_PM8607) ?
+		chip->client : chip->companion;
 	unsigned char status_buf[INT_STATUS_NUM];
 	unsigned long flags = IRQF_TRIGGER_FALLING | IRQF_ONESHOT;
 	int data, mask, ret = -EINVAL;
@@ -631,8 +637,8 @@ static int device_irq_init(struct pm860x_chip *chip,
 	if (!chip->core_irq)
 		goto out;
 
-	ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq, flags | IRQF_ONESHOT,
-				   "88pm860x", chip);
+	ret = request_threaded_irq(chip->core_irq, NULL, pm860x_irq,
+				   flags | IRQF_ONESHOT, "88pm860x", chip);
 	if (ret) {
 		dev_err(chip->dev, "Failed to request IRQ: %d\n", ret);
 		chip->core_irq = 0;
@@ -871,7 +877,7 @@ static void device_rtc_init(struct pm860x_chip *chip,
 {
 	int ret;
 
-	if ((pdata == NULL))
+	if (!pdata)
 		return;
 
 	rtc_devs[0].platform_data = pdata->rtc;
@@ -997,8 +1003,9 @@ static void device_8607_init(struct pm860x_chip *chip,
 			 ret);
 		break;
 	default:
-		dev_err(chip->dev, "Failed to detect Marvell 88PM8607. "
-			"Chip ID: %02x\n", ret);
+		dev_err(chip->dev,
+			"Failed to detect Marvell 88PM8607. Chip ID: %02x\n",
+			ret);
 		goto out;
 	}
 
@@ -1120,8 +1127,8 @@ static int pm860x_dt_init(struct device_node *np,
 	ret = of_property_read_u32(np, "marvell,88pm860x-slave-addr",
 				   &pdata->companion_addr);
 	if (ret) {
-		dev_err(dev, "Not found \"marvell,88pm860x-slave-addr\" "
-			"property\n");
+		dev_err(dev,
+			"Not found \"marvell,88pm860x-slave-addr\" property\n");
 		pdata->companion_addr = 0;
 	}
 	return 0;
diff --git a/drivers/mfd/88pm860x-i2c.c b/drivers/mfd/88pm860x-i2c.c
index ff8f803ce833..a93b4d0134a2 100644
--- a/drivers/mfd/88pm860x-i2c.c
+++ b/drivers/mfd/88pm860x-i2c.c
@@ -2,7 +2,8 @@
  * I2C driver for Marvell 88PM860x
  *
  * Copyright (C) 2009 Marvell International Ltd.
- * 	Haojian Zhuang <haojian.zhuang@marvell.com>
+ *
+ * Author: Haojian Zhuang <haojian.zhuang@marvell.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
diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index fb824f501197..de5abf244746 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -13,7 +13,7 @@ config MFD_CORE
 config MFD_CS5535
 	tristate "AMD CS5535 and CS5536 southbridge core functions"
 	select MFD_CORE
-	depends on PCI && X86
+	depends on PCI && (X86_32 || (X86 && COMPILE_TEST))
 	---help---
 	  This is the core driver for CS5535/CS5536 MFD functions.  This is
           necessary for using the board's GPIO and MFGPT functionality.
@@ -187,6 +187,7 @@ config MFD_MC13XXX
 	tristate
 	depends on (SPI_MASTER || I2C)
 	select MFD_CORE
+	select REGMAP_IRQ
 	help
 	  Enable support for the Freescale MC13783 and MC13892 PMICs.
 	  This driver provides common support for accessing the device,
@@ -253,6 +254,18 @@ config LPC_SCH
 	  LPC bridge function of the Intel SCH provides support for
 	  System Management Bus and General Purpose I/O.
 
+config INTEL_SOC_PMIC
+	bool "Support for Intel Atom SoC PMIC"
+	depends on I2C=y
+	select MFD_CORE
+	select REGMAP_I2C
+	select REGMAP_IRQ
+	help
+	  Select this option to enable support for the PMIC device
+	  on some Intel SoC systems. The PMIC provides ADC, GPIO,
+	  thermal, charger and related power management functions
+	  on these systems.
+
 config MFD_INTEL_MSIC
 	bool "Intel MSIC"
 	depends on INTEL_SCU_IPC
@@ -367,14 +380,15 @@ config MFD_MAX14577
 	  of the device.
 
 config MFD_MAX77686
-	bool "Maxim Semiconductor MAX77686 PMIC Support"
+	bool "Maxim Semiconductor MAX77686/802 PMIC Support"
 	depends on I2C=y
 	select MFD_CORE
 	select REGMAP_I2C
+	select REGMAP_IRQ
 	select IRQ_DOMAIN
 	help
-	  Say yes here to add support for Maxim Semiconductor MAX77686.
-	  This is a Power Management IC with RTC on chip.
+	  Say yes here to add support for Maxim Semiconductor MAX77686 and
+	  MAX77802 which are Power Management IC with an RTC on chip.
 	  This driver provides common support for accessing the device;
 	  additional drivers must be enabled in order to use the functionality
 	  of the device.
@@ -574,6 +588,7 @@ config MFD_SEC_CORE
 	select MFD_CORE
 	select REGMAP_I2C
 	select REGMAP_IRQ
+	select REGULATOR
 	help
 	 Support for the Samsung Electronics MFD series.
 	 This driver provides common support for accessing the device,
@@ -1057,7 +1072,7 @@ config MFD_LM3533
 config MFD_TIMBERDALE
 	tristate "Timberdale FPGA"
 	select MFD_CORE
-	depends on PCI && GPIOLIB
+	depends on PCI && GPIOLIB && (X86_32 || COMPILE_TEST)
 	---help---
 	This is the core driver for the timberdale FPGA. This device is a
 	multifunction device which exposes numerous platform devices.
diff --git a/drivers/mfd/Makefile b/drivers/mfd/Makefile
index 8c6e7bba4660..f00148782d9b 100644
--- a/drivers/mfd/Makefile
+++ b/drivers/mfd/Makefile
@@ -115,7 +115,7 @@ da9063-objs			:= da9063-core.o da9063-irq.o da9063-i2c.o
 obj-$(CONFIG_MFD_DA9063)	+= da9063.o
 
 obj-$(CONFIG_MFD_MAX14577)	+= max14577.o
-obj-$(CONFIG_MFD_MAX77686)	+= max77686.o max77686-irq.o
+obj-$(CONFIG_MFD_MAX77686)	+= max77686.o
 obj-$(CONFIG_MFD_MAX77693)	+= max77693.o
 obj-$(CONFIG_MFD_MAX8907)	+= max8907.o
 max8925-objs			:= max8925-core.o max8925-i2c.o
@@ -169,3 +169,6 @@ obj-$(CONFIG_MFD_AS3711)	+= as3711.o
 obj-$(CONFIG_MFD_AS3722)	+= as3722.o
 obj-$(CONFIG_MFD_STW481X)	+= stw481x.o
 obj-$(CONFIG_MFD_IPAQ_MICRO)	+= ipaq-micro.o
+
+intel-soc-pmic-objs		:= intel_soc_pmic_core.o intel_soc_pmic_crc.o
+obj-$(CONFIG_INTEL_SOC_PMIC)	+= intel-soc-pmic.o
diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c
index 14d9542a4eed..4e6e03d63e12 100644
--- a/drivers/mfd/aat2870-core.c
+++ b/drivers/mfd/aat2870-core.c
@@ -303,7 +303,10 @@ static ssize_t aat2870_reg_write_file(struct file *file,
 	while (*start == ' ')
 		start++;
 
-	addr = simple_strtoul(start, &start, 16);
+	ret = kstrtoul(start, 16, &addr);
+	if (ret)
+		return ret;
+
 	if (addr >= AAT2870_REG_NUM) {
 		dev_err(aat2870->dev, "Invalid address, 0x%lx\n", addr);
 		return -EINVAL;
diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c
index b348ae520629..4659ac1db039 100644
--- a/drivers/mfd/ab3100-core.c
+++ b/drivers/mfd/ab3100-core.c
@@ -91,8 +91,8 @@ static int ab3100_set_register_interruptible(struct ab3100 *ab3100,
 			err);
 	} else if (err != 2) {
 		dev_err(ab3100->dev,
-			"write error (write register) "
-			"%d bytes transferred (expected 2)\n",
+			"write error (write register)\n"
+			"  %d bytes transferred (expected 2)\n",
 			err);
 		err = -EIO;
 	} else {
@@ -135,8 +135,8 @@ static int ab3100_set_test_register_interruptible(struct ab3100 *ab3100,
 			err);
 	} else if (err != 2) {
 		dev_err(ab3100->dev,
-			"write error (write test register) "
-			"%d bytes transferred (expected 2)\n",
+			"write error (write test register)\n"
+			"  %d bytes transferred (expected 2)\n",
 			err);
 		err = -EIO;
 	} else {
@@ -171,8 +171,8 @@ static int ab3100_get_register_interruptible(struct ab3100 *ab3100,
 		goto get_reg_out_unlock;
 	} else if (err != 1) {
 		dev_err(ab3100->dev,
-			"write error (send register address) "
-			"%d bytes transferred (expected 1)\n",
+			"write error (send register address)\n"
+			"  %d bytes transferred (expected 1)\n",
 			err);
 		err = -EIO;
 		goto get_reg_out_unlock;
@@ -189,8 +189,8 @@ static int ab3100_get_register_interruptible(struct ab3100 *ab3100,
 		goto get_reg_out_unlock;
 	} else if (err != 1) {
 		dev_err(ab3100->dev,
-			"write error (read register) "
-			"%d bytes transferred (expected 1)\n",
+			"write error (read register)\n"
+			"  %d bytes transferred (expected 1)\n",
 			err);
 		err = -EIO;
 		goto get_reg_out_unlock;
@@ -237,8 +237,8 @@ static int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
 		goto get_reg_page_out_unlock;
 	} else if (err != 1) {
 		dev_err(ab3100->dev,
-			"write error (send first register address) "
-			"%d bytes transferred (expected 1)\n",
+			"write error (send first register address)\n"
+			"  %d bytes transferred (expected 1)\n",
 			err);
 		err = -EIO;
 		goto get_reg_page_out_unlock;
@@ -252,8 +252,8 @@ static int ab3100_get_register_page_interruptible(struct ab3100 *ab3100,
 		goto get_reg_page_out_unlock;
 	} else if (err != numregs) {
 		dev_err(ab3100->dev,
-			"write error (read register page) "
-			"%d bytes transferred (expected %d)\n",
+			"write error (read register page)\n"
+			"  %d bytes transferred (expected %d)\n",
 			err, numregs);
 		err = -EIO;
 		goto get_reg_page_out_unlock;
@@ -295,8 +295,8 @@ static int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
 		goto get_maskset_unlock;
 	} else if (err != 1) {
 		dev_err(ab3100->dev,
-			"write error (maskset send address) "
-			"%d bytes transferred (expected 1)\n",
+			"write error (maskset send address)\n"
+			"  %d bytes transferred (expected 1)\n",
 			err);
 		err = -EIO;
 		goto get_maskset_unlock;
@@ -310,8 +310,8 @@ static int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
 		goto get_maskset_unlock;
 	} else if (err != 1) {
 		dev_err(ab3100->dev,
-			"write error (maskset read register) "
-			"%d bytes transferred (expected 1)\n",
+			"write error (maskset read register)\n"
+			"  %d bytes transferred (expected 1)\n",
 			err);
 		err = -EIO;
 		goto get_maskset_unlock;
@@ -330,8 +330,8 @@ static int ab3100_mask_and_set_register_interruptible(struct ab3100 *ab3100,
 		goto get_maskset_unlock;
 	} else if (err != 2) {
 		dev_err(ab3100->dev,
-			"write error (write register) "
-			"%d bytes transferred (expected 2)\n",
+			"write error (write register)\n"
+			"  %d bytes transferred (expected 2)\n",
 			err);
 		err = -EIO;
 		goto get_maskset_unlock;
@@ -371,7 +371,7 @@ EXPORT_SYMBOL(ab3100_event_register);
 int ab3100_event_unregister(struct ab3100 *ab3100,
 			    struct notifier_block *nb)
 {
-  return blocking_notifier_chain_unregister(&ab3100->event_subscribers,
+	return blocking_notifier_chain_unregister(&ab3100->event_subscribers,
 					    nb);
 }
 EXPORT_SYMBOL(ab3100_event_unregister);
@@ -455,7 +455,7 @@ static int ab3100_registers_print(struct seq_file *s, void *p)
 	u8 value;
 	u8 reg;
 
-	seq_printf(s, "AB3100 registers:\n");
+	seq_puts(s, "AB3100 registers:\n");
 
 	for (reg = 0; reg < 0xff; reg++) {
 		ab3100_get_register_interruptible(ab3100, reg, &value);
@@ -560,8 +560,8 @@ static ssize_t ab3100_get_set_reg(struct file *file,
 		ab3100_get_register_interruptible(ab3100, user_reg, &regvalue);
 
 		dev_info(ab3100->dev,
-			 "debug write reg[0x%02x] with 0x%02x, "
-			 "after readback: 0x%02x\n",
+			 "debug write reg[0x%02x]\n"
+			 "  with 0x%02x, after readback: 0x%02x\n",
 			 user_reg, user_value, regvalue);
 	}
 	return buf_size;
@@ -719,8 +719,7 @@ static int ab3100_setup(struct ab3100 *ab3100)
 	 */
 	if (ab3100->chip_id == 0xc4) {
 		dev_warn(ab3100->dev,
-			 "AB3100 P1E variant detected, "
-			 "forcing chip to 32KHz\n");
+			 "AB3100 P1E variant detected forcing chip to 32KHz\n");
 		err = ab3100_set_test_register_interruptible(ab3100,
 			0x02, 0x08);
 	}
@@ -878,8 +877,7 @@ static int ab3100_probe(struct i2c_client *client,
 						&ab3100->chip_id);
 	if (err) {
 		dev_err(&client->dev,
-			"could not communicate with the AB3100 analog "
-			"baseband chip\n");
+			"failed to communicate with AB3100 chip\n");
 		goto exit_no_detect;
 	}
 
@@ -902,8 +900,8 @@ static int ab3100_probe(struct i2c_client *client,
 	if (ids[i].id == 0x0) {
 		dev_err(&client->dev, "unknown analog baseband chip id: 0x%x\n",
 			ab3100->chip_id);
-		dev_err(&client->dev, "accepting it anyway. Please update "
-			"the driver.\n");
+		dev_err(&client->dev,
+			"accepting it anyway. Please update the driver.\n");
 		goto exit_no_detect;
 	}
 
diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
index cf2e6a198c6b..ce48aa72bb42 100644
--- a/drivers/mfd/ab8500-core.c
+++ b/drivers/mfd/ab8500-core.c
@@ -148,8 +148,8 @@ static const int ab9540_irq_regoffset[AB9540_NUM_IRQ_REGS] = {
 
 /* AB8540 support */
 static const int ab8540_irq_regoffset[AB8540_NUM_IRQ_REGS] = {
-	0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22, 23,
-	25, 26, 27, 28, 29, 30, 31,
+	0, 1, 2, 3, 4, -1, -1, -1, -1, 11, 18, 19, 20, 21, 12, 13, 24, 5, 22,
+	23, 25, 26, 27, 28, 29, 30, 31,
 };
 
 static const char ab8500_version_str[][7] = {
@@ -322,7 +322,7 @@ static int ab8500_mask_and_set_register(struct device *dev,
 	struct ab8500 *ab8500 = dev_get_drvdata(dev->parent);
 
 	atomic_inc(&ab8500->transfer_ongoing);
-	ret= mask_and_set_register_interruptible(ab8500, bank, reg,
+	ret = mask_and_set_register_interruptible(ab8500, bank, reg,
 						 bitmask, bitvalues);
 	atomic_dec(&ab8500->transfer_ongoing);
 	return ret;
@@ -415,9 +415,11 @@ static void ab8500_irq_unmask(struct irq_data *data)
 	if (type & IRQ_TYPE_EDGE_FALLING) {
 		if (offset >= AB8500_INT_GPIO6R && offset <= AB8500_INT_GPIO41R)
 			ab8500->mask[index + 2] &= ~mask;
-		else if (offset >= AB9540_INT_GPIO50R && offset <= AB9540_INT_GPIO54R)
+		else if (offset >= AB9540_INT_GPIO50R &&
+			 offset <= AB9540_INT_GPIO54R)
 			ab8500->mask[index + 1] &= ~mask;
-		else if (offset == AB8540_INT_GPIO43R || offset == AB8540_INT_GPIO44R)
+		else if (offset == AB8540_INT_GPIO43R ||
+			 offset == AB8540_INT_GPIO44R)
 			/* Here the falling IRQ is one bit lower */
 			ab8500->mask[index] &= ~(mask << 1);
 		else
@@ -451,7 +453,7 @@ static void update_latch_offset(u8 *offset, int i)
 	/* Fix inconsistent ab8540 bit mapping... */
 	if (unlikely(*offset == 16))
 			*offset = 25;
-	if ((i==3) && (*offset >= 24))
+	if ((i == 3) && (*offset >= 24))
 			*offset += 2;
 }
 
@@ -573,8 +575,8 @@ static int ab8500_irq_map(struct irq_domain *d, unsigned int virq,
 }
 
 static struct irq_domain_ops ab8500_irq_ops = {
-        .map    = ab8500_irq_map,
-        .xlate  = irq_domain_xlate_twocell,
+	.map    = ab8500_irq_map,
+	.xlate  = irq_domain_xlate_twocell,
 };
 
 static int ab8500_irq_init(struct ab8500 *ab8500, struct device_node *np)
@@ -607,8 +609,8 @@ int ab8500_suspend(struct ab8500 *ab8500)
 {
 	if (atomic_read(&ab8500->transfer_ongoing))
 		return -EINVAL;
-	else
-		return 0;
+
+	return 0;
 }
 
 static struct resource ab8500_gpadc_resources[] = {
@@ -1551,7 +1553,7 @@ static struct attribute_group ab9540_attr_group = {
 
 static int ab8500_probe(struct platform_device *pdev)
 {
-	static char *switch_off_status[] = {
+	static const char *switch_off_status[] = {
 		"Swoff bit programming",
 		"Thermal protection activation",
 		"Vbat lower then BattOk falling threshold",
@@ -1560,7 +1562,7 @@ static int ab8500_probe(struct platform_device *pdev)
 		"Battery level lower than power on reset threshold",
 		"Power on key 1 pressed longer than 10 seconds",
 		"DB8500 thermal shutdown"};
-	static char *turn_on_status[] = {
+	static const char *turn_on_status[] = {
 		"Battery rising (Vbat)",
 		"Power On Key 1 dbF",
 		"Power On Key 2 dbF",
@@ -1579,7 +1581,7 @@ static int ab8500_probe(struct platform_device *pdev)
 	int i;
 	u8 value;
 
-	ab8500 = devm_kzalloc(&pdev->dev, sizeof *ab8500, GFP_KERNEL);
+	ab8500 = devm_kzalloc(&pdev->dev, sizeof(*ab8500), GFP_KERNEL);
 	if (!ab8500)
 		return -ENOMEM;
 
@@ -1636,7 +1638,7 @@ static int ab8500_probe(struct platform_device *pdev)
 		ab8500->mask_size = AB8540_NUM_IRQ_REGS;
 		ab8500->irq_reg_offset = ab8540_irq_regoffset;
 		ab8500->it_latchhier_num = AB8540_IT_LATCHHIER_NUM;
-	}/* Configure AB8500 or AB9540 IRQ */
+	} /* Configure AB8500 or AB9540 IRQ */
 	else if (is_ab9540(ab8500) || is_ab8505(ab8500)) {
 		ab8500->mask_size = AB9540_NUM_IRQ_REGS;
 		ab8500->irq_reg_offset = ab9540_irq_regoffset;
@@ -1646,10 +1648,12 @@ static int ab8500_probe(struct platform_device *pdev)
 		ab8500->irq_reg_offset = ab8500_irq_regoffset;
 		ab8500->it_latchhier_num = AB8500_IT_LATCHHIER_NUM;
 	}
-	ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
+	ab8500->mask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
+				    GFP_KERNEL);
 	if (!ab8500->mask)
 		return -ENOMEM;
-	ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size, GFP_KERNEL);
+	ab8500->oldmask = devm_kzalloc(&pdev->dev, ab8500->mask_size,
+				       GFP_KERNEL);
 	if (!ab8500->oldmask)
 		return -ENOMEM;
 
@@ -1674,14 +1678,13 @@ static int ab8500_probe(struct platform_device *pdev)
 	if (value) {
 		for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
 			if (value & 1)
-				printk(KERN_CONT " \"%s\"",
-				       switch_off_status[i]);
+				pr_cont(" \"%s\"", switch_off_status[i]);
 			value = value >> 1;
 
 		}
-		printk(KERN_CONT "\n");
+		pr_cont("\n");
 	} else {
-		printk(KERN_CONT " None\n");
+		pr_cont(" None\n");
 	}
 	ret = get_register_interruptible(ab8500, AB8500_SYS_CTRL1_BLOCK,
 		AB8500_TURN_ON_STATUS, &value);
@@ -1692,12 +1695,12 @@ static int ab8500_probe(struct platform_device *pdev)
 	if (value) {
 		for (i = 0; i < ARRAY_SIZE(turn_on_status); i++) {
 			if (value & 1)
-				printk("\"%s\" ", turn_on_status[i]);
+				pr_cont("\"%s\" ", turn_on_status[i]);
 			value = value >> 1;
 		}
-		printk("\n");
+		pr_cont("\n");
 	} else {
-		printk("None\n");
+		pr_cont("None\n");
 	}
 
 	if (plat && plat->init)
diff --git a/drivers/mfd/ab8500-debugfs.c b/drivers/mfd/ab8500-debugfs.c
index d1a22aae2df5..b2c7e3b1edfa 100644
--- a/drivers/mfd/ab8500-debugfs.c
+++ b/drivers/mfd/ab8500-debugfs.c
@@ -135,10 +135,10 @@ struct ab8500_prcmu_ranges {
 /* hwreg- "mask" and "shift" entries ressources */
 struct hwreg_cfg {
 	u32  bank;      /* target bank */
-	u32  addr;      /* target address */
+	unsigned long addr;      /* target address */
 	uint fmt;       /* format */
-	uint mask;      /* read/write mask, applied before any bit shift */
-	int  shift;     /* bit shift (read:right shift, write:left shift */
+	unsigned long mask; /* read/write mask, applied before any bit shift */
+	long shift;     /* bit shift (read:right shift, write:left shift */
 };
 /* fmt bit #0: 0=hexa, 1=dec */
 #define REG_FMT_DEC(c) ((c)->fmt & 0x1)
@@ -1304,16 +1304,17 @@ static int ab8500_registers_print(struct device *dev, u32 bank,
 			}
 
 			if (s) {
-				err = seq_printf(s, "  [0x%02X/0x%02X]: 0x%02X\n",
-					bank, reg, value);
+				err = seq_printf(s,
+						 "  [0x%02X/0x%02X]: 0x%02X\n",
+						 bank, reg, value);
 				if (err < 0) {
 					/* Error is not returned here since
 					 * the output is wanted in any case */
 					return 0;
 				}
 			} else {
-				printk(KERN_INFO" [0x%02X/0x%02X]: 0x%02X\n",
-					bank, reg, value);
+				dev_info(dev, " [0x%02X/0x%02X]: 0x%02X\n",
+					 bank, reg, value);
 			}
 		}
 	}
@@ -1325,7 +1326,7 @@ static int ab8500_print_bank_registers(struct seq_file *s, void *p)
 	struct device *dev = s->private;
 	u32 bank = debug_bank;
 
-	seq_printf(s, AB8500_NAME_STRING " register values:\n");
+	seq_puts(s, AB8500_NAME_STRING " register values:\n");
 
 	seq_printf(s, " bank 0x%02X:\n", bank);
 
@@ -1350,12 +1351,11 @@ static int ab8500_print_all_banks(struct seq_file *s, void *p)
 {
 	struct device *dev = s->private;
 	unsigned int i;
-	int err;
 
-	seq_printf(s, AB8500_NAME_STRING " register values:\n");
+	seq_puts(s, AB8500_NAME_STRING " register values:\n");
 
 	for (i = 0; i < AB8500_NUM_BANKS; i++) {
-		err = seq_printf(s, " bank 0x%02X:\n", i);
+		seq_printf(s, " bank 0x%02X:\n", i);
 
 		ab8500_registers_print(dev, i, s);
 	}
@@ -1367,10 +1367,10 @@ void ab8500_dump_all_banks(struct device *dev)
 {
 	unsigned int i;
 
-	printk(KERN_INFO"ab8500 register values:\n");
+	dev_info(dev, "ab8500 register values:\n");
 
 	for (i = 1; i < AB8500_NUM_BANKS; i++) {
-		printk(KERN_INFO" bank 0x%02X:\n", i);
+		dev_info(dev, " bank 0x%02X:\n", i);
 		ab8500_registers_print(dev, i, NULL);
 	}
 }
@@ -1384,8 +1384,6 @@ static struct ab8500_register_dump
 	u8 value;
 } ab8500_complete_register_dump[DUMP_MAX_REGS];
 
-extern int prcmu_abb_read(u8 slave, u8 reg, u8 *value, u8 size);
-
 /* This shall only be called upon kernel panic! */
 void ab8500_dump_all_banks_to_mem(void)
 {
@@ -1393,8 +1391,7 @@ void ab8500_dump_all_banks_to_mem(void)
 	u8 bank;
 	int err = 0;
 
-	pr_info("Saving all ABB registers at \"ab8500_complete_register_dump\" "
-		"for crash analyze.\n");
+	pr_info("Saving all ABB registers for crash analysis.\n");
 
 	for (bank = 0; bank < AB8500_NUM_BANKS; bank++) {
 		for (i = 0; i < debug_ranges[bank].num_ranges; i++) {
@@ -1564,7 +1561,7 @@ static ssize_t ab8500_val_write(struct file *file,
 	err = abx500_set_register_interruptible(dev,
 		(u8)debug_bank, debug_address, (u8)user_val);
 	if (err < 0) {
-		printk(KERN_ERR "abx500_set_reg failed %d, %d", err, __LINE__);
+		pr_err("abx500_set_reg failed %d, %d", err, __LINE__);
 		return -EINVAL;
 	}
 
@@ -1596,7 +1593,7 @@ static int ab8500_interrupts_print(struct seq_file *s, void *p)
 {
 	int line;
 
-	seq_printf(s, "name: number:  number of: wake:\n");
+	seq_puts(s, "name: number:  number of: wake:\n");
 
 	for (line = 0; line < num_interrupt_lines; line++) {
 		struct irq_desc *desc = irq_to_desc(line + irq_first);
@@ -1722,7 +1719,8 @@ static int ab8500_print_modem_registers(struct seq_file *s, void *p)
 
 static int ab8500_modem_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ab8500_print_modem_registers, inode->i_private);
+	return single_open(file, ab8500_print_modem_registers,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_modem_fops = {
@@ -1751,7 +1749,8 @@ static int ab8500_gpadc_bat_ctrl_print(struct seq_file *s, void *p)
 
 static int ab8500_gpadc_bat_ctrl_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ab8500_gpadc_bat_ctrl_print, inode->i_private);
+	return single_open(file, ab8500_gpadc_bat_ctrl_print,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_gpadc_bat_ctrl_fops = {
@@ -1781,7 +1780,8 @@ static int ab8500_gpadc_btemp_ball_print(struct seq_file *s, void *p)
 static int ab8500_gpadc_btemp_ball_open(struct inode *inode,
 					struct file *file)
 {
-	return single_open(file, ab8500_gpadc_btemp_ball_print, inode->i_private);
+	return single_open(file, ab8500_gpadc_btemp_ball_print,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_gpadc_btemp_ball_fops = {
@@ -1962,7 +1962,8 @@ static int ab8500_gpadc_main_bat_v_print(struct seq_file *s, void *p)
 static int ab8500_gpadc_main_bat_v_open(struct inode *inode,
 					struct file *file)
 {
-	return single_open(file, ab8500_gpadc_main_bat_v_print, inode->i_private);
+	return single_open(file, ab8500_gpadc_main_bat_v_print,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_gpadc_main_bat_v_fops = {
@@ -2082,7 +2083,8 @@ static int ab8500_gpadc_bk_bat_v_print(struct seq_file *s, void *p)
 
 static int ab8500_gpadc_bk_bat_v_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ab8500_gpadc_bk_bat_v_print, inode->i_private);
+	return single_open(file, ab8500_gpadc_bk_bat_v_print,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_gpadc_bk_bat_v_fops = {
@@ -2111,7 +2113,8 @@ static int ab8500_gpadc_die_temp_print(struct seq_file *s, void *p)
 
 static int ab8500_gpadc_die_temp_open(struct inode *inode, struct file *file)
 {
-	return single_open(file, ab8500_gpadc_die_temp_print, inode->i_private);
+	return single_open(file, ab8500_gpadc_die_temp_print,
+			   inode->i_private);
 }
 
 static const struct file_operations ab8500_gpadc_die_temp_fops = {
@@ -2190,8 +2193,9 @@ static int ab8540_gpadc_vbat_true_meas_print(struct seq_file *s, void *p)
 	gpadc = ab8500_gpadc_get("ab8500-gpadc.0");
 	vbat_true_meas_raw = ab8500_gpadc_read_raw(gpadc, VBAT_TRUE_MEAS,
 		avg_sample, trig_edge, trig_timer, conv_type);
-	vbat_true_meas_convert = ab8500_gpadc_ad_to_voltage(gpadc, VBAT_TRUE_MEAS,
-		vbat_true_meas_raw);
+	vbat_true_meas_convert =
+		ab8500_gpadc_ad_to_voltage(gpadc, VBAT_TRUE_MEAS,
+					   vbat_true_meas_raw);
 
 	return seq_printf(s, "%d,0x%X\n",
 		vbat_true_meas_convert, vbat_true_meas_raw);
@@ -2285,7 +2289,8 @@ static const struct file_operations ab8540_gpadc_vbat_meas_and_ibat_fops = {
 	.owner = THIS_MODULE,
 };
 
-static int ab8540_gpadc_vbat_true_meas_and_ibat_print(struct seq_file *s, void *p)
+static int ab8540_gpadc_vbat_true_meas_and_ibat_print(struct seq_file *s,
+						      void *p)
 {
 	int vbat_true_meas_raw;
 	int vbat_true_meas_convert;
@@ -2314,7 +2319,8 @@ static int ab8540_gpadc_vbat_true_meas_and_ibat_open(struct inode *inode,
 		inode->i_private);
 }
 
-static const struct file_operations ab8540_gpadc_vbat_true_meas_and_ibat_fops = {
+static const struct file_operations
+ab8540_gpadc_vbat_true_meas_and_ibat_fops = {
 	.open = ab8540_gpadc_vbat_true_meas_and_ibat_open,
 	.read = seq_read,
 	.llseek = seq_lseek,
@@ -2368,14 +2374,15 @@ static int ab8540_gpadc_otp_cal_print(struct seq_file *s, void *p)
 	ab8540_gpadc_get_otp(gpadc, &vmain_l, &vmain_h, &btemp_l, &btemp_h,
 			&vbat_l, &vbat_h, &ibat_l, &ibat_h);
 	return seq_printf(s, "VMAIN_L:0x%X\n"
-		"VMAIN_H:0x%X\n"
-		"BTEMP_L:0x%X\n"
-		"BTEMP_H:0x%X\n"
-		"VBAT_L:0x%X\n"
-		"VBAT_H:0x%X\n"
-		"IBAT_L:0x%X\n"
-		"IBAT_H:0x%X\n",
-		vmain_l, vmain_h, btemp_l, btemp_h, vbat_l, vbat_h, ibat_l, ibat_h);
+			  "VMAIN_H:0x%X\n"
+			  "BTEMP_L:0x%X\n"
+			  "BTEMP_H:0x%X\n"
+			  "VBAT_L:0x%X\n"
+			  "VBAT_H:0x%X\n"
+			  "IBAT_L:0x%X\n"
+			  "IBAT_H:0x%X\n",
+			  vmain_l, vmain_h, btemp_l, btemp_h,
+			  vbat_l, vbat_h, ibat_l, ibat_h);
 }
 
 static int ab8540_gpadc_otp_cal_open(struct inode *inode, struct file *file)
@@ -2419,8 +2426,8 @@ static ssize_t ab8500_gpadc_avg_sample_write(struct file *file,
 			|| (user_avg_sample == SAMPLE_16)) {
 		avg_sample = (u8) user_avg_sample;
 	} else {
-		dev_err(dev, "debugfs error input: "
-			"should be egal to 1, 4, 8 or 16\n");
+		dev_err(dev,
+			"debugfs err input: should be egal to 1, 4, 8 or 16\n");
 		return -EINVAL;
 	}
 
@@ -2504,14 +2511,14 @@ static ssize_t ab8500_gpadc_trig_timer_write(struct file *file,
 	if (err)
 		return err;
 
-	if ((user_trig_timer >= 0) && (user_trig_timer <= 255)) {
-		trig_timer = (u8) user_trig_timer;
-	} else {
-		dev_err(dev, "debugfs error input: "
-			"should be beetween 0 to 255\n");
+	if (user_trig_timer & ~0xFF) {
+		dev_err(dev,
+			"debugfs error input: should be beetween 0 to 255\n");
 		return -EINVAL;
 	}
 
+	trig_timer = (u8) user_trig_timer;
+
 	return count;
 }
 
@@ -2579,6 +2586,7 @@ static const struct file_operations ab8500_gpadc_conv_type_fops = {
 static int strval_len(char *b)
 {
 	char *s = b;
+
 	if ((*s == '0') && ((*(s+1) == 'x') || (*(s+1) == 'X'))) {
 		s += 2;
 		for (; *s && (*s != ' ') && (*s != '\n'); s++) {
@@ -2643,13 +2651,17 @@ static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg,
 			b += (*(b+2) == ' ') ? 3 : 6;
 			if (strval_len(b) == 0)
 				return -EINVAL;
-			loc.mask = simple_strtoul(b, &b, 0);
+			ret = kstrtoul(b, 0, &loc.mask);
+			if (ret)
+				return ret;
 		} else if ((!strncmp(b, "-s ", 3)) ||
 				(!strncmp(b, "-shift ", 7))) {
 			b += (*(b+2) == ' ') ? 3 : 7;
 			if (strval_len(b) == 0)
 				return -EINVAL;
-			loc.shift = simple_strtol(b, &b, 0);
+			ret = kstrtol(b, 0, &loc.shift);
+			if (ret)
+				return ret;
 		} else {
 			return -EINVAL;
 		}
@@ -2657,29 +2669,36 @@ static ssize_t hwreg_common_write(char *b, struct hwreg_cfg *cfg,
 	/* get arg BANK and ADDRESS */
 	if (strval_len(b) == 0)
 		return -EINVAL;
-	loc.bank = simple_strtoul(b, &b, 0);
+	ret = kstrtouint(b, 0, &loc.bank);
+	if (ret)
+		return ret;
 	while (*b == ' ')
 		b++;
 	if (strval_len(b) == 0)
 		return -EINVAL;
-	loc.addr = simple_strtoul(b, &b, 0);
+	ret = kstrtoul(b, 0, &loc.addr);
+	if (ret)
+		return ret;
 
 	if (write) {
 		while (*b == ' ')
 			b++;
 		if (strval_len(b) == 0)
 			return -EINVAL;
-		val = simple_strtoul(b, &b, 0);
+		ret = kstrtouint(b, 0, &val);
+		if (ret)
+			return ret;
 	}
 
 	/* args are ok, update target cfg (mainly for read) */
 	*cfg = loc;
 
 #ifdef ABB_HWREG_DEBUG
-	pr_warn("HWREG request: %s, %s, addr=0x%08X, mask=0x%X, shift=%d"
-			"value=0x%X\n", (write) ? "write" : "read",
-			REG_FMT_DEC(cfg) ? "decimal" : "hexa",
-			cfg->addr, cfg->mask, cfg->shift, val);
+	pr_warn("HWREG request: %s, %s,\n"
+		"  addr=0x%08X, mask=0x%X, shift=%d" "value=0x%X\n",
+		(write) ? "write" : "read",
+		REG_FMT_DEC(cfg) ? "decimal" : "hexa",
+		cfg->addr, cfg->mask, cfg->shift, val);
 #endif
 
 	if (!write)
@@ -2765,8 +2784,8 @@ static ssize_t show_irq(struct device *dev,
 	irq_index = name - irq_first;
 	if (irq_index >= num_irqs)
 		return -EINVAL;
-	else
-		return sprintf(buf, "%u\n", irq_count[irq_index]);
+
+	return sprintf(buf, "%u\n", irq_count[irq_index]);
 }
 
 static ssize_t ab8500_subscribe_write(struct file *file,
@@ -2815,7 +2834,7 @@ static ssize_t ab8500_subscribe_write(struct file *file,
 	dev_attr[irq_index]->attr.mode = S_IRUGO;
 	err = sysfs_create_file(&dev->kobj, &dev_attr[irq_index]->attr);
 	if (err < 0) {
-		printk(KERN_ERR "sysfs_create_file failed %d\n", err);
+		pr_info("sysfs_create_file failed %d\n", err);
 		return err;
 	}
 
@@ -2823,8 +2842,8 @@ static ssize_t ab8500_subscribe_write(struct file *file,
 				   IRQF_SHARED | IRQF_NO_SUSPEND,
 				   "ab8500-debug", &dev->kobj);
 	if (err < 0) {
-		printk(KERN_ERR "request_threaded_irq failed %d, %lu\n",
-                       err, user_val);
+		pr_info("request_threaded_irq failed %d, %lu\n",
+			err, user_val);
 		sysfs_remove_file(&dev->kobj, &dev_attr[irq_index]->attr);
 		return err;
 	}
@@ -2946,6 +2965,7 @@ static int ab8500_debug_probe(struct platform_device *plf)
 	struct dentry *file;
 	struct ab8500 *ab8500;
 	struct resource *res;
+
 	debug_bank = AB8500_MISC;
 	debug_address = AB8500_REV_REG & 0x00FF;
 
@@ -2958,7 +2978,7 @@ static int ab8500_debug_probe(struct platform_device *plf)
 		return -ENOMEM;
 
 	dev_attr = devm_kzalloc(&plf->dev,
-				sizeof(*dev_attr)*num_irqs,GFP_KERNEL);
+				sizeof(*dev_attr)*num_irqs, GFP_KERNEL);
 	if (!dev_attr)
 		return -ENOMEM;
 
@@ -2969,23 +2989,20 @@ static int ab8500_debug_probe(struct platform_device *plf)
 
 	res = platform_get_resource_byname(plf, 0, "IRQ_AB8500");
 	if (!res) {
-		dev_err(&plf->dev, "AB8500 irq not found, err %d\n",
-			irq_first);
-		return ENXIO;
+		dev_err(&plf->dev, "AB8500 irq not found, err %d\n", irq_first);
+		return -ENXIO;
 	}
 	irq_ab8500 = res->start;
 
 	irq_first = platform_get_irq_byname(plf, "IRQ_FIRST");
 	if (irq_first < 0) {
-		dev_err(&plf->dev, "First irq not found, err %d\n",
-			irq_first);
+		dev_err(&plf->dev, "First irq not found, err %d\n", irq_first);
 		return irq_first;
 	}
 
 	irq_last = platform_get_irq_byname(plf, "IRQ_LAST");
 	if (irq_last < 0) {
-		dev_err(&plf->dev, "Last irq not found, err %d\n",
-			irq_last);
+		dev_err(&plf->dev, "Last irq not found, err %d\n", irq_last);
 		return irq_last;
 	}
 
@@ -2994,37 +3011,41 @@ static int ab8500_debug_probe(struct platform_device *plf)
 		goto err;
 
 	ab8500_gpadc_dir = debugfs_create_dir(AB8500_ADC_NAME_STRING,
-		ab8500_dir);
+					      ab8500_dir);
 	if (!ab8500_gpadc_dir)
 		goto err;
 
-	file = debugfs_create_file("all-bank-registers", S_IRUGO,
-		ab8500_dir, &plf->dev, &ab8500_registers_fops);
+	file = debugfs_create_file("all-bank-registers", S_IRUGO, ab8500_dir,
+				   &plf->dev, &ab8500_registers_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("all-banks", S_IRUGO,
-		ab8500_dir, &plf->dev, &ab8500_all_banks_fops);
+	file = debugfs_create_file("all-banks", S_IRUGO, ab8500_dir,
+				   &plf->dev, &ab8500_all_banks_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("register-bank", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_bank_fops);
+	file = debugfs_create_file("register-bank",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_dir, &plf->dev, &ab8500_bank_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("register-address", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_address_fops);
+	file = debugfs_create_file("register-address",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_dir, &plf->dev, &ab8500_address_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("register-value", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_val_fops);
+	file = debugfs_create_file("register-value",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_dir, &plf->dev, &ab8500_val_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("irq-subscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_subscribe_fops);
+	file = debugfs_create_file("irq-subscribe",
+				   (S_IRUGO | S_IWUSR | S_IWGRP), ab8500_dir,
+				   &plf->dev, &ab8500_subscribe_fops);
 	if (!file)
 		goto err;
 
@@ -3042,158 +3063,191 @@ static int ab8500_debug_probe(struct platform_device *plf)
 		num_interrupt_lines = AB8540_NR_IRQS;
 	}
 
-	file = debugfs_create_file("interrupts", (S_IRUGO),
-		ab8500_dir, &plf->dev, &ab8500_interrupts_fops);
+	file = debugfs_create_file("interrupts", (S_IRUGO), ab8500_dir,
+				   &plf->dev, &ab8500_interrupts_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("irq-unsubscribe", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_unsubscribe_fops);
+	file = debugfs_create_file("irq-unsubscribe",
+				   (S_IRUGO | S_IWUSR | S_IWGRP), ab8500_dir,
+				   &plf->dev, &ab8500_unsubscribe_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("hwreg", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_hwreg_fops);
+				   ab8500_dir, &plf->dev, &ab8500_hwreg_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("all-modem-registers", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_dir, &plf->dev, &ab8500_modem_fops);
+	file = debugfs_create_file("all-modem-registers",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_dir, &plf->dev, &ab8500_modem_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("bat_ctrl", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bat_ctrl_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_bat_ctrl_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("btemp_ball", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_btemp_ball_fops);
+				   ab8500_gpadc_dir,
+				   &plf->dev, &ab8500_gpadc_btemp_ball_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("main_charger_v", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_v_fops);
+	file = debugfs_create_file("main_charger_v",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_main_charger_v_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("acc_detect1", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect1_fops);
+	file = debugfs_create_file("acc_detect1",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_acc_detect1_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("acc_detect2", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_acc_detect2_fops);
+	file = debugfs_create_file("acc_detect2",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_acc_detect2_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("adc_aux1", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux1_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_aux1_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("adc_aux2", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_aux2_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_aux2_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("main_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_bat_v_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_main_bat_v_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("vbus_v", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_vbus_v_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_vbus_v_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("main_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_main_charger_c_fops);
+	file = debugfs_create_file("main_charger_c",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_main_charger_c_fops);
 	if (!file)
 		goto err;
 
-	file = debugfs_create_file("usb_charger_c", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_charger_c_fops);
+	file = debugfs_create_file("usb_charger_c",
+				   (S_IRUGO | S_IWUSR | S_IWGRP),
+				   ab8500_gpadc_dir,
+				   &plf->dev, &ab8500_gpadc_usb_charger_c_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("bk_bat_v", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_bk_bat_v_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_bk_bat_v_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("die_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_die_temp_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_die_temp_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("usb_id", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_usb_id_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_usb_id_fops);
 	if (!file)
 		goto err;
 
 	if (is_ab8540(ab8500)) {
-		file = debugfs_create_file("xtal_temp", (S_IRUGO | S_IWUSR | S_IWGRP),
-			ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_xtal_temp_fops);
+		file = debugfs_create_file("xtal_temp",
+					   (S_IRUGO | S_IWUSR | S_IWGRP),
+					   ab8500_gpadc_dir, &plf->dev,
+					   &ab8540_gpadc_xtal_temp_fops);
 		if (!file)
 			goto err;
-		file = debugfs_create_file("vbattruemeas", (S_IRUGO | S_IWUSR | S_IWGRP),
-			ab8500_gpadc_dir, &plf->dev,
-			&ab8540_gpadc_vbat_true_meas_fops);
+		file = debugfs_create_file("vbattruemeas",
+					   (S_IRUGO | S_IWUSR | S_IWGRP),
+					   ab8500_gpadc_dir, &plf->dev,
+					   &ab8540_gpadc_vbat_true_meas_fops);
 		if (!file)
 			goto err;
 		file = debugfs_create_file("batctrl_and_ibat",
-			(S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
-			&plf->dev, &ab8540_gpadc_bat_ctrl_and_ibat_fops);
+					(S_IRUGO | S_IWUGO),
+					ab8500_gpadc_dir,
+					&plf->dev,
+					&ab8540_gpadc_bat_ctrl_and_ibat_fops);
 		if (!file)
 			goto err;
 		file = debugfs_create_file("vbatmeas_and_ibat",
-			(S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
-			&plf->dev,
-			&ab8540_gpadc_vbat_meas_and_ibat_fops);
+					(S_IRUGO | S_IWUGO),
+					ab8500_gpadc_dir, &plf->dev,
+					&ab8540_gpadc_vbat_meas_and_ibat_fops);
 		if (!file)
 			goto err;
 		file = debugfs_create_file("vbattruemeas_and_ibat",
-			(S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
-			&plf->dev,
-			&ab8540_gpadc_vbat_true_meas_and_ibat_fops);
+				(S_IRUGO | S_IWUGO),
+				ab8500_gpadc_dir,
+				&plf->dev,
+				&ab8540_gpadc_vbat_true_meas_and_ibat_fops);
 		if (!file)
 			goto err;
 		file = debugfs_create_file("battemp_and_ibat",
-			(S_IRUGO | S_IWUGO), ab8500_gpadc_dir,
+			(S_IRUGO | S_IWUGO),
+			ab8500_gpadc_dir,
 			&plf->dev, &ab8540_gpadc_bat_temp_and_ibat_fops);
 		if (!file)
 			goto err;
-		file = debugfs_create_file("otp_calib", (S_IRUGO | S_IWUSR | S_IWGRP),
-			ab8500_gpadc_dir, &plf->dev, &ab8540_gpadc_otp_calib_fops);
+		file = debugfs_create_file("otp_calib",
+				(S_IRUGO | S_IWUSR | S_IWGRP),
+				ab8500_gpadc_dir,
+				&plf->dev, &ab8540_gpadc_otp_calib_fops);
 		if (!file)
 			goto err;
 	}
 	file = debugfs_create_file("avg_sample", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_avg_sample_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_avg_sample_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("trig_edge", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_edge_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_trig_edge_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("trig_timer", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_trig_timer_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_trig_timer_fops);
 	if (!file)
 		goto err;
 
 	file = debugfs_create_file("conv_type", (S_IRUGO | S_IWUSR | S_IWGRP),
-		ab8500_gpadc_dir, &plf->dev, &ab8500_gpadc_conv_type_fops);
+				   ab8500_gpadc_dir, &plf->dev,
+				   &ab8500_gpadc_conv_type_fops);
 	if (!file)
 		goto err;
 
 	return 0;
 
 err:
-	if (ab8500_dir)
-		debugfs_remove_recursive(ab8500_dir);
+	debugfs_remove_recursive(ab8500_dir);
 	dev_err(&plf->dev, "failed to create debugfs entries.\n");
 
 	return -ENOMEM;
diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c
index cfc191abae4a..10a0cb90619a 100644
--- a/drivers/mfd/arizona-core.c
+++ b/drivers/mfd/arizona-core.c
@@ -123,6 +123,8 @@ static irqreturn_t arizona_underclocked(int irq, void *data)
 		dev_err(arizona->dev, "AIF2 underclocked\n");
 	if (val & ARIZONA_AIF1_UNDERCLOCKED_STS)
 		dev_err(arizona->dev, "AIF1 underclocked\n");
+	if (val & ARIZONA_ISRC3_UNDERCLOCKED_STS)
+		dev_err(arizona->dev, "ISRC3 underclocked\n");
 	if (val & ARIZONA_ISRC2_UNDERCLOCKED_STS)
 		dev_err(arizona->dev, "ISRC2 underclocked\n");
 	if (val & ARIZONA_ISRC1_UNDERCLOCKED_STS)
@@ -192,6 +194,8 @@ static irqreturn_t arizona_overclocked(int irq, void *data)
 		dev_err(arizona->dev, "ASRC sync WARP overclocked\n");
 	if (val[1] & ARIZONA_ADSP2_1_OVERCLOCKED_STS)
 		dev_err(arizona->dev, "DSP1 overclocked\n");
+	if (val[1] & ARIZONA_ISRC3_OVERCLOCKED_STS)
+		dev_err(arizona->dev, "ISRC3 overclocked\n");
 	if (val[1] & ARIZONA_ISRC2_OVERCLOCKED_STS)
 		dev_err(arizona->dev, "ISRC2 overclocked\n");
 	if (val[1] & ARIZONA_ISRC1_OVERCLOCKED_STS)
@@ -497,12 +501,12 @@ const struct dev_pm_ops arizona_pm_ops = {
 EXPORT_SYMBOL_GPL(arizona_pm_ops);
 
 #ifdef CONFIG_OF
-int arizona_of_get_type(struct device *dev)
+unsigned long arizona_of_get_type(struct device *dev)
 {
 	const struct of_device_id *id = of_match_device(arizona_of_match, dev);
 
 	if (id)
-		return (int)id->data;
+		return (unsigned long)id->data;
 	else
 		return 0;
 }
@@ -578,17 +582,21 @@ static const struct mfd_cell early_devs[] = {
 };
 
 static const char *wm5102_supplies[] = {
+	"MICVDD",
 	"DBVDD2",
 	"DBVDD3",
 	"CPVDD",
 	"SPKVDDL",
 	"SPKVDDR",
-	"MICVDD",
 };
 
 static const struct mfd_cell wm5102_devs[] = {
 	{ .name = "arizona-micsupp" },
-	{ .name = "arizona-extcon" },
+	{
+		.name = "arizona-extcon",
+		.parent_supplies = wm5102_supplies,
+		.num_parent_supplies = 1, /* We only need MICVDD */
+	},
 	{ .name = "arizona-gpio" },
 	{ .name = "arizona-haptics" },
 	{ .name = "arizona-pwm" },
@@ -601,7 +609,11 @@ static const struct mfd_cell wm5102_devs[] = {
 
 static const struct mfd_cell wm5110_devs[] = {
 	{ .name = "arizona-micsupp" },
-	{ .name = "arizona-extcon" },
+	{
+		.name = "arizona-extcon",
+		.parent_supplies = wm5102_supplies,
+		.num_parent_supplies = 1, /* We only need MICVDD */
+	},
 	{ .name = "arizona-gpio" },
 	{ .name = "arizona-haptics" },
 	{ .name = "arizona-pwm" },
@@ -613,6 +625,7 @@ static const struct mfd_cell wm5110_devs[] = {
 };
 
 static const char *wm8997_supplies[] = {
+	"MICVDD",
 	"DBVDD2",
 	"CPVDD",
 	"SPKVDD",
@@ -620,7 +633,11 @@ static const char *wm8997_supplies[] = {
 
 static const struct mfd_cell wm8997_devs[] = {
 	{ .name = "arizona-micsupp" },
-	{ .name = "arizona-extcon" },
+	{
+		.name = "arizona-extcon",
+		.parent_supplies = wm8997_supplies,
+		.num_parent_supplies = 1, /* We only need MICVDD */
+	},
 	{ .name = "arizona-gpio" },
 	{ .name = "arizona-haptics" },
 	{ .name = "arizona-pwm" },
@@ -683,7 +700,13 @@ int arizona_dev_init(struct arizona *arizona)
 		goto err_early;
 	}
 
-	arizona->dcvdd = devm_regulator_get(arizona->dev, "DCVDD");
+	/**
+	 * Don't use devres here because the only device we have to get
+	 * against is the MFD device and DCVDD will likely be supplied by
+	 * one of its children. Meaning that the regulator will be
+	 * destroyed by the time devres calls regulator put.
+	 */
+	arizona->dcvdd = regulator_get(arizona->dev, "DCVDD");
 	if (IS_ERR(arizona->dcvdd)) {
 		ret = PTR_ERR(arizona->dcvdd);
 		dev_err(dev, "Failed to request DCVDD: %d\n", ret);
@@ -697,7 +720,7 @@ int arizona_dev_init(struct arizona *arizona)
 				       "arizona /RESET");
 		if (ret != 0) {
 			dev_err(dev, "Failed to request /RESET: %d\n", ret);
-			goto err_early;
+			goto err_dcvdd;
 		}
 	}
 
@@ -706,7 +729,7 @@ int arizona_dev_init(struct arizona *arizona)
 	if (ret != 0) {
 		dev_err(dev, "Failed to enable core supplies: %d\n",
 			ret);
-		goto err_early;
+		goto err_dcvdd;
 	}
 
 	ret = regulator_enable(arizona->dcvdd);
@@ -1015,6 +1038,8 @@ err_reset:
 err_enable:
 	regulator_bulk_disable(arizona->num_core_supplies,
 			       arizona->core_supplies);
+err_dcvdd:
+	regulator_put(arizona->dcvdd);
 err_early:
 	mfd_remove_devices(dev);
 	return ret;
@@ -1023,16 +1048,20 @@ EXPORT_SYMBOL_GPL(arizona_dev_init);
 
 int arizona_dev_exit(struct arizona *arizona)
 {
+	pm_runtime_disable(arizona->dev);
+
+	regulator_disable(arizona->dcvdd);
+	regulator_put(arizona->dcvdd);
+
 	mfd_remove_devices(arizona->dev);
 	arizona_free_irq(arizona, ARIZONA_IRQ_UNDERCLOCKED, arizona);
 	arizona_free_irq(arizona, ARIZONA_IRQ_OVERCLOCKED, arizona);
 	arizona_free_irq(arizona, ARIZONA_IRQ_CLKGEN_ERR, arizona);
-	pm_runtime_disable(arizona->dev);
 	arizona_irq_exit(arizona);
 	if (arizona->pdata.reset)
 		gpio_set_value_cansleep(arizona->pdata.reset, 0);
-	regulator_disable(arizona->dcvdd);
-	regulator_bulk_disable(ARRAY_SIZE(arizona->core_supplies),
+
+	regulator_bulk_disable(arizona->num_core_supplies,
 			       arizona->core_supplies);
 	return 0;
 }
diff --git a/drivers/mfd/arizona-i2c.c b/drivers/mfd/arizona-i2c.c
index beccb790c9ba..9d4156fb082a 100644
--- a/drivers/mfd/arizona-i2c.c
+++ b/drivers/mfd/arizona-i2c.c
@@ -24,11 +24,12 @@
 #include "arizona.h"
 
 static int arizona_i2c_probe(struct i2c_client *i2c,
-					  const struct i2c_device_id *id)
+			     const struct i2c_device_id *id)
 {
 	struct arizona *arizona;
 	const struct regmap_config *regmap_config;
-	int ret, type;
+	unsigned long type;
+	int ret;
 
 	if (i2c->dev.of_node)
 		type = arizona_of_get_type(&i2c->dev);
diff --git a/drivers/mfd/arizona-irq.c b/drivers/mfd/arizona-irq.c
index 17102f589100..d420dbc0e2b0 100644
--- a/drivers/mfd/arizona-irq.c
+++ b/drivers/mfd/arizona-irq.c
@@ -188,24 +188,33 @@ int arizona_irq_init(struct arizona *arizona)
 	int flags = IRQF_ONESHOT;
 	int ret, i;
 	const struct regmap_irq_chip *aod, *irq;
-	bool ctrlif_error = true;
 	struct irq_data *irq_data;
 
+	arizona->ctrlif_error = true;
+
 	switch (arizona->type) {
 #ifdef CONFIG_MFD_WM5102
 	case WM5102:
 		aod = &wm5102_aod;
 		irq = &wm5102_irq;
 
-		ctrlif_error = false;
+		arizona->ctrlif_error = false;
 		break;
 #endif
 #ifdef CONFIG_MFD_WM5110
 	case WM5110:
 		aod = &wm5110_aod;
-		irq = &wm5110_irq;
 
-		ctrlif_error = false;
+		switch (arizona->rev) {
+		case 0 ... 2:
+			irq = &wm5110_irq;
+			break;
+		default:
+			irq = &wm5110_revd_irq;
+			break;
+		}
+
+		arizona->ctrlif_error = false;
 		break;
 #endif
 #ifdef CONFIG_MFD_WM8997
@@ -213,7 +222,7 @@ int arizona_irq_init(struct arizona *arizona)
 		aod = &wm8997_aod;
 		irq = &wm8997_irq;
 
-		ctrlif_error = false;
+		arizona->ctrlif_error = false;
 		break;
 #endif
 	default:
@@ -300,7 +309,7 @@ int arizona_irq_init(struct arizona *arizona)
 	}
 
 	/* Handle control interface errors in the core */
-	if (ctrlif_error) {
+	if (arizona->ctrlif_error) {
 		i = arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR);
 		ret = request_threaded_irq(i, NULL, arizona_ctrlif_err,
 					   IRQF_ONESHOT,
@@ -345,7 +354,9 @@ int arizona_irq_init(struct arizona *arizona)
 	return 0;
 
 err_main_irq:
-	free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR), arizona);
+	if (arizona->ctrlif_error)
+		free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR),
+			 arizona);
 err_ctrlif:
 	free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_BOOT_DONE), arizona);
 err_boot_done:
@@ -361,7 +372,9 @@ err:
 
 int arizona_irq_exit(struct arizona *arizona)
 {
-	free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR), arizona);
+	if (arizona->ctrlif_error)
+		free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_CTRLIF_ERR),
+			 arizona);
 	free_irq(arizona_map_irq(arizona, ARIZONA_IRQ_BOOT_DONE), arizona);
 	regmap_del_irq_chip(irq_create_mapping(arizona->virq, 1),
 			    arizona->irq_chip);
diff --git a/drivers/mfd/arizona-spi.c b/drivers/mfd/arizona-spi.c
index 1ca554b18bef..5145d78bf07e 100644
--- a/drivers/mfd/arizona-spi.c
+++ b/drivers/mfd/arizona-spi.c
@@ -28,7 +28,8 @@ static int arizona_spi_probe(struct spi_device *spi)
 	const struct spi_device_id *id = spi_get_device_id(spi);
 	struct arizona *arizona;
 	const struct regmap_config *regmap_config;
-	int ret, type;
+	unsigned long type;
+	int ret;
 
 	if (spi->dev.of_node)
 		type = arizona_of_get_type(&spi->dev);
diff --git a/drivers/mfd/arizona.h b/drivers/mfd/arizona.h
index b4cef777df73..fbe2843271c5 100644
--- a/drivers/mfd/arizona.h
+++ b/drivers/mfd/arizona.h
@@ -36,6 +36,7 @@ extern const struct regmap_irq_chip wm5102_irq;
 
 extern const struct regmap_irq_chip wm5110_aod;
 extern const struct regmap_irq_chip wm5110_irq;
+extern const struct regmap_irq_chip wm5110_revd_irq;
 
 extern const struct regmap_irq_chip wm8997_aod;
 extern const struct regmap_irq_chip wm8997_irq;
@@ -46,9 +47,9 @@ int arizona_irq_init(struct arizona *arizona);
 int arizona_irq_exit(struct arizona *arizona);
 
 #ifdef CONFIG_OF
-int arizona_of_get_type(struct device *dev);
+unsigned long arizona_of_get_type(struct device *dev);
 #else
-static inline int arizona_of_get_type(struct device *dev)
+static inline unsigned long arizona_of_get_type(struct device *dev)
 {
 	return 0;
 }
diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c
index 9f6294f2a070..9fc4186d4132 100644
--- a/drivers/mfd/asic3.c
+++ b/drivers/mfd/asic3.c
@@ -899,13 +899,15 @@ static int __init asic3_mfd_probe(struct platform_device *pdev,
 	ds1wm_resources[0].end   >>= asic->bus_shift;
 
 	/* MMC */
-	asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) +
+	if (mem_sdio) {
+		asic->tmio_cnf = ioremap((ASIC3_SD_CONFIG_BASE >> asic->bus_shift) +
 				 mem_sdio->start,
 				 ASIC3_SD_CONFIG_SIZE >> asic->bus_shift);
-	if (!asic->tmio_cnf) {
-		ret = -ENOMEM;
-		dev_dbg(asic->dev, "Couldn't ioremap SD_CONFIG\n");
-		goto out;
+		if (!asic->tmio_cnf) {
+			ret = -ENOMEM;
+			dev_dbg(asic->dev, "Couldn't ioremap SD_CONFIG\n");
+			goto out;
+		}
 	}
 	asic3_mmc_resources[0].start >>= asic->bus_shift;
 	asic3_mmc_resources[0].end   >>= asic->bus_shift;
diff --git a/drivers/mfd/cros_ec.c b/drivers/mfd/cros_ec.c
index 38fe9bf0d169..4873f9c50452 100644
--- a/drivers/mfd/cros_ec.c
+++ b/drivers/mfd/cros_ec.c
@@ -25,64 +25,42 @@
 #include <linux/mfd/cros_ec_commands.h>
 
 int cros_ec_prepare_tx(struct cros_ec_device *ec_dev,
-		       struct cros_ec_msg *msg)
+		       struct cros_ec_command *msg)
 {
 	uint8_t *out;
 	int csum, i;
 
-	BUG_ON(msg->out_len > EC_PROTO2_MAX_PARAM_SIZE);
+	BUG_ON(msg->outsize > EC_PROTO2_MAX_PARAM_SIZE);
 	out = ec_dev->dout;
 	out[0] = EC_CMD_VERSION0 + msg->version;
-	out[1] = msg->cmd;
-	out[2] = msg->out_len;
+	out[1] = msg->command;
+	out[2] = msg->outsize;
 	csum = out[0] + out[1] + out[2];
-	for (i = 0; i < msg->out_len; i++)
-		csum += out[EC_MSG_TX_HEADER_BYTES + i] = msg->out_buf[i];
-	out[EC_MSG_TX_HEADER_BYTES + msg->out_len] = (uint8_t)(csum & 0xff);
+	for (i = 0; i < msg->outsize; i++)
+		csum += out[EC_MSG_TX_HEADER_BYTES + i] = msg->outdata[i];
+	out[EC_MSG_TX_HEADER_BYTES + msg->outsize] = (uint8_t)(csum & 0xff);
 
-	return EC_MSG_TX_PROTO_BYTES + msg->out_len;
+	return EC_MSG_TX_PROTO_BYTES + msg->outsize;
 }
 EXPORT_SYMBOL(cros_ec_prepare_tx);
 
-static int cros_ec_command_sendrecv(struct cros_ec_device *ec_dev,
-		uint16_t cmd, void *out_buf, int out_len,
-		void *in_buf, int in_len)
+int cros_ec_check_result(struct cros_ec_device *ec_dev,
+			 struct cros_ec_command *msg)
 {
-	struct cros_ec_msg msg;
-
-	msg.version = cmd >> 8;
-	msg.cmd = cmd & 0xff;
-	msg.out_buf = out_buf;
-	msg.out_len = out_len;
-	msg.in_buf = in_buf;
-	msg.in_len = in_len;
-
-	return ec_dev->command_xfer(ec_dev, &msg);
-}
-
-static int cros_ec_command_recv(struct cros_ec_device *ec_dev,
-		uint16_t cmd, void *buf, int buf_len)
-{
-	return cros_ec_command_sendrecv(ec_dev, cmd, NULL, 0, buf, buf_len);
-}
-
-static int cros_ec_command_send(struct cros_ec_device *ec_dev,
-		uint16_t cmd, void *buf, int buf_len)
-{
-	return cros_ec_command_sendrecv(ec_dev, cmd, buf, buf_len, NULL, 0);
-}
-
-static irqreturn_t ec_irq_thread(int irq, void *data)
-{
-	struct cros_ec_device *ec_dev = data;
-
-	if (device_may_wakeup(ec_dev->dev))
-		pm_wakeup_event(ec_dev->dev, 0);
-
-	blocking_notifier_call_chain(&ec_dev->event_notifier, 1, ec_dev);
-
-	return IRQ_HANDLED;
+	switch (msg->result) {
+	case EC_RES_SUCCESS:
+		return 0;
+	case EC_RES_IN_PROGRESS:
+		dev_dbg(ec_dev->dev, "command 0x%02x in progress\n",
+			msg->command);
+		return -EAGAIN;
+	default:
+		dev_dbg(ec_dev->dev, "command 0x%02x returned %d\n",
+			msg->command, msg->result);
+		return 0;
+	}
 }
+EXPORT_SYMBOL(cros_ec_check_result);
 
 static const struct mfd_cell cros_devs[] = {
 	{
@@ -102,12 +80,6 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
 	struct device *dev = ec_dev->dev;
 	int err = 0;
 
-	BLOCKING_INIT_NOTIFIER_HEAD(&ec_dev->event_notifier);
-
-	ec_dev->command_send = cros_ec_command_send;
-	ec_dev->command_recv = cros_ec_command_recv;
-	ec_dev->command_sendrecv = cros_ec_command_sendrecv;
-
 	if (ec_dev->din_size) {
 		ec_dev->din = devm_kzalloc(dev, ec_dev->din_size, GFP_KERNEL);
 		if (!ec_dev->din)
@@ -119,42 +91,23 @@ int cros_ec_register(struct cros_ec_device *ec_dev)
 			return -ENOMEM;
 	}
 
-	if (!ec_dev->irq) {
-		dev_dbg(dev, "no valid IRQ: %d\n", ec_dev->irq);
-		return err;
-	}
-
-	err = request_threaded_irq(ec_dev->irq, NULL, ec_irq_thread,
-				   IRQF_TRIGGER_LOW | IRQF_ONESHOT,
-				   "chromeos-ec", ec_dev);
-	if (err) {
-		dev_err(dev, "request irq %d: error %d\n", ec_dev->irq, err);
-		return err;
-	}
-
 	err = mfd_add_devices(dev, 0, cros_devs,
 			      ARRAY_SIZE(cros_devs),
 			      NULL, ec_dev->irq, NULL);
 	if (err) {
 		dev_err(dev, "failed to add mfd devices\n");
-		goto fail_mfd;
+		return err;
 	}
 
-	dev_info(dev, "Chrome EC (%s)\n", ec_dev->name);
+	dev_info(dev, "Chrome EC device registered\n");
 
 	return 0;
-
-fail_mfd:
-	free_irq(ec_dev->irq, ec_dev);
-
-	return err;
 }
 EXPORT_SYMBOL(cros_ec_register);
 
 int cros_ec_remove(struct cros_ec_device *ec_dev)
 {
 	mfd_remove_devices(ec_dev->dev);
-	free_irq(ec_dev->irq, ec_dev);
 
 	return 0;
 }
diff --git a/drivers/mfd/cros_ec_i2c.c b/drivers/mfd/cros_ec_i2c.c
index 4f71be99a183..c0c30f4f946f 100644
--- a/drivers/mfd/cros_ec_i2c.c
+++ b/drivers/mfd/cros_ec_i2c.c
@@ -29,12 +29,13 @@ static inline struct cros_ec_device *to_ec_dev(struct device *dev)
 	return i2c_get_clientdata(client);
 }
 
-static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
-				struct cros_ec_msg *msg)
+static int cros_ec_cmd_xfer_i2c(struct cros_ec_device *ec_dev,
+				struct cros_ec_command *msg)
 {
 	struct i2c_client *client = ec_dev->priv;
 	int ret = -ENOMEM;
 	int i;
+	int len;
 	int packet_len;
 	u8 *out_buf = NULL;
 	u8 *in_buf = NULL;
@@ -50,7 +51,7 @@ static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
 	 * allocate larger packet (one byte for checksum, one byte for
 	 * length, and one for result code)
 	 */
-	packet_len = msg->in_len + 3;
+	packet_len = msg->insize + 3;
 	in_buf = kzalloc(packet_len, GFP_KERNEL);
 	if (!in_buf)
 		goto done;
@@ -61,7 +62,7 @@ static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
 	 * allocate larger packet (one byte for checksum, one for
 	 * command code, one for length, and one for command version)
 	 */
-	packet_len = msg->out_len + 4;
+	packet_len = msg->outsize + 4;
 	out_buf = kzalloc(packet_len, GFP_KERNEL);
 	if (!out_buf)
 		goto done;
@@ -69,16 +70,16 @@ static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
 	i2c_msg[0].buf = (char *)out_buf;
 
 	out_buf[0] = EC_CMD_VERSION0 + msg->version;
-	out_buf[1] = msg->cmd;
-	out_buf[2] = msg->out_len;
+	out_buf[1] = msg->command;
+	out_buf[2] = msg->outsize;
 
 	/* copy message payload and compute checksum */
 	sum = out_buf[0] + out_buf[1] + out_buf[2];
-	for (i = 0; i < msg->out_len; i++) {
-		out_buf[3 + i] = msg->out_buf[i];
+	for (i = 0; i < msg->outsize; i++) {
+		out_buf[3 + i] = msg->outdata[i];
 		sum += out_buf[3 + i];
 	}
-	out_buf[3 + msg->out_len] = sum;
+	out_buf[3 + msg->outsize] = sum;
 
 	/* send command to EC and read answer */
 	ret = i2c_transfer(client->adapter, i2c_msg, 2);
@@ -92,28 +93,34 @@ static int cros_ec_command_xfer(struct cros_ec_device *ec_dev,
 	}
 
 	/* check response error code */
-	if (i2c_msg[1].buf[0]) {
-		dev_warn(ec_dev->dev, "command 0x%02x returned an error %d\n",
-			 msg->cmd, i2c_msg[1].buf[0]);
-		ret = -EINVAL;
+	msg->result = i2c_msg[1].buf[0];
+	ret = cros_ec_check_result(ec_dev, msg);
+	if (ret)
+		goto done;
+
+	len = in_buf[1];
+	if (len > msg->insize) {
+		dev_err(ec_dev->dev, "packet too long (%d bytes, expected %d)",
+			len, msg->insize);
+		ret = -ENOSPC;
 		goto done;
 	}
 
 	/* copy response packet payload and compute checksum */
 	sum = in_buf[0] + in_buf[1];
-	for (i = 0; i < msg->in_len; i++) {
-		msg->in_buf[i] = in_buf[2 + i];
+	for (i = 0; i < len; i++) {
+		msg->indata[i] = in_buf[2 + i];
 		sum += in_buf[2 + i];
 	}
 	dev_dbg(ec_dev->dev, "packet: %*ph, sum = %02x\n",
 		i2c_msg[1].len, in_buf, sum);
-	if (sum != in_buf[2 + msg->in_len]) {
+	if (sum != in_buf[2 + len]) {
 		dev_err(ec_dev->dev, "bad packet checksum\n");
 		ret = -EBADMSG;
 		goto done;
 	}
 
-	ret = 0;
+	ret = len;
  done:
 	kfree(in_buf);
 	kfree(out_buf);
@@ -132,11 +139,10 @@ static int cros_ec_i2c_probe(struct i2c_client *client,
 		return -ENOMEM;
 
 	i2c_set_clientdata(client, ec_dev);
-	ec_dev->name = "I2C";
 	ec_dev->dev = dev;
 	ec_dev->priv = client;
 	ec_dev->irq = client->irq;
-	ec_dev->command_xfer = cros_ec_command_xfer;
+	ec_dev->cmd_xfer = cros_ec_cmd_xfer_i2c;
 	ec_dev->ec_name = client->name;
 	ec_dev->phys_name = client->adapter->name;
 	ec_dev->parent = &client->dev;
diff --git a/drivers/mfd/cros_ec_spi.c b/drivers/mfd/cros_ec_spi.c
index 8c1c7cc373f8..588c700af39c 100644
--- a/drivers/mfd/cros_ec_spi.c
+++ b/drivers/mfd/cros_ec_spi.c
@@ -73,7 +73,7 @@
  *	if no record
  * @end_of_msg_delay: used to set the delay_usecs on the spi_transfer that
  *      is sent when we want to turn off CS at the end of a transaction.
- * @lock: mutex to ensure only one user of cros_ec_command_spi_xfer at a time
+ * @lock: mutex to ensure only one user of cros_ec_cmd_xfer_spi at a time
  */
 struct cros_ec_spi {
 	struct spi_device *spi;
@@ -210,13 +210,13 @@ static int cros_ec_spi_receive_response(struct cros_ec_device *ec_dev,
 }
 
 /**
- * cros_ec_command_spi_xfer - Transfer a message over SPI and receive the reply
+ * cros_ec_cmd_xfer_spi - Transfer a message over SPI and receive the reply
  *
  * @ec_dev: ChromeOS EC device
  * @ec_msg: Message to transfer
  */
-static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
-				    struct cros_ec_msg *ec_msg)
+static int cros_ec_cmd_xfer_spi(struct cros_ec_device *ec_dev,
+				struct cros_ec_command *ec_msg)
 {
 	struct cros_ec_spi *ec_spi = ec_dev->priv;
 	struct spi_transfer trans;
@@ -258,23 +258,19 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
 	/* Get the response */
 	if (!ret) {
 		ret = cros_ec_spi_receive_response(ec_dev,
-				ec_msg->in_len + EC_MSG_TX_PROTO_BYTES);
+				ec_msg->insize + EC_MSG_TX_PROTO_BYTES);
 	} else {
 		dev_err(ec_dev->dev, "spi transfer failed: %d\n", ret);
 	}
 
-	/* turn off CS */
+	/*
+	 * Turn off CS, possibly adding a delay to ensure the rising edge
+	 * doesn't come too soon after the end of the data.
+	 */
 	spi_message_init(&msg);
-
-	if (ec_spi->end_of_msg_delay) {
-		/*
-		 * Add delay for last transaction, to ensure the rising edge
-		 * doesn't come too soon after the end of the data.
-		 */
-		memset(&trans, 0, sizeof(trans));
-		trans.delay_usecs = ec_spi->end_of_msg_delay;
-		spi_message_add_tail(&trans, &msg);
-	}
+	memset(&trans, 0, sizeof(trans));
+	trans.delay_usecs = ec_spi->end_of_msg_delay;
+	spi_message_add_tail(&trans, &msg);
 
 	final_ret = spi_sync(ec_spi->spi, &msg);
 	ec_spi->last_transfer_ns = ktime_get_ns();
@@ -285,20 +281,19 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
 		goto exit;
 	}
 
-	/* check response error code */
 	ptr = ec_dev->din;
-	if (ptr[0]) {
-		dev_warn(ec_dev->dev, "command 0x%02x returned an error %d\n",
-			 ec_msg->cmd, ptr[0]);
-		debug_packet(ec_dev->dev, "in_err", ptr, len);
-		ret = -EINVAL;
+
+	/* check response error code */
+	ec_msg->result = ptr[0];
+	ret = cros_ec_check_result(ec_dev, ec_msg);
+	if (ret)
 		goto exit;
-	}
+
 	len = ptr[1];
 	sum = ptr[0] + ptr[1];
-	if (len > ec_msg->in_len) {
+	if (len > ec_msg->insize) {
 		dev_err(ec_dev->dev, "packet too long (%d bytes, expected %d)",
-			len, ec_msg->in_len);
+			len, ec_msg->insize);
 		ret = -ENOSPC;
 		goto exit;
 	}
@@ -306,8 +301,8 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
 	/* copy response packet payload and compute checksum */
 	for (i = 0; i < len; i++) {
 		sum += ptr[i + 2];
-		if (ec_msg->in_len)
-			ec_msg->in_buf[i] = ptr[i + 2];
+		if (ec_msg->insize)
+			ec_msg->indata[i] = ptr[i + 2];
 	}
 	sum &= 0xff;
 
@@ -321,7 +316,7 @@ static int cros_ec_command_spi_xfer(struct cros_ec_device *ec_dev,
 		goto exit;
 	}
 
-	ret = 0;
+	ret = len;
 exit:
 	mutex_unlock(&ec_spi->lock);
 	return ret;
@@ -364,11 +359,10 @@ static int cros_ec_spi_probe(struct spi_device *spi)
 	cros_ec_spi_dt_probe(ec_spi, dev);
 
 	spi_set_drvdata(spi, ec_dev);
-	ec_dev->name = "SPI";
 	ec_dev->dev = dev;
 	ec_dev->priv = ec_spi;
 	ec_dev->irq = spi->irq;
-	ec_dev->command_xfer = cros_ec_command_spi_xfer;
+	ec_dev->cmd_xfer = cros_ec_cmd_xfer_spi;
 	ec_dev->ec_name = ec_spi->spi->modalias;
 	ec_dev->phys_name = dev_name(&ec_spi->spi->dev);
 	ec_dev->parent = &ec_spi->spi->dev;
@@ -381,6 +375,8 @@ static int cros_ec_spi_probe(struct spi_device *spi)
 		return err;
 	}
 
+	device_init_wakeup(&spi->dev, true);
+
 	return 0;
 }
 
diff --git a/drivers/mfd/da9063-core.c b/drivers/mfd/da9063-core.c
index e70ae315abc7..93db8bb8c8f0 100644
--- a/drivers/mfd/da9063-core.c
+++ b/drivers/mfd/da9063-core.c
@@ -153,9 +153,9 @@ int da9063_device_init(struct da9063 *da9063, unsigned int irq)
 		 "Device detected (chip-ID: 0x%02X, var-ID: 0x%02X)\n",
 		 model, variant_id);
 
-	if (variant_code != PMIC_DA9063_BB) {
-		dev_err(da9063->dev, "Unknown chip variant code: 0x%02X\n",
-				variant_code);
+	if (variant_code < PMIC_DA9063_BB && variant_code != PMIC_DA9063_AD) {
+		dev_err(da9063->dev,
+			"Cannot support variant code: 0x%02X\n", variant_code);
 		return -ENODEV;
 	}
 
diff --git a/drivers/mfd/da9063-i2c.c b/drivers/mfd/da9063-i2c.c
index 8db5c805c64f..21fd8d9a217b 100644
--- a/drivers/mfd/da9063-i2c.c
+++ b/drivers/mfd/da9063-i2c.c
@@ -25,10 +25,10 @@
 #include <linux/mfd/da9063/pdata.h>
 #include <linux/mfd/da9063/registers.h>
 
-static const struct regmap_range da9063_readable_ranges[] = {
+static const struct regmap_range da9063_ad_readable_ranges[] = {
 	{
 		.range_min = DA9063_REG_PAGE_CON,
-		.range_max = DA9063_REG_SECOND_D,
+		.range_max = DA9063_AD_REG_SECOND_D,
 	}, {
 		.range_min = DA9063_REG_SEQ,
 		.range_max = DA9063_REG_ID_32_31,
@@ -37,14 +37,14 @@ static const struct regmap_range da9063_readable_ranges[] = {
 		.range_max = DA9063_REG_AUTO3_LOW,
 	}, {
 		.range_min = DA9063_REG_T_OFFSET,
-		.range_max = DA9063_REG_GP_ID_19,
+		.range_max = DA9063_AD_REG_GP_ID_19,
 	}, {
 		.range_min = DA9063_REG_CHIP_ID,
 		.range_max = DA9063_REG_CHIP_VARIANT,
 	},
 };
 
-static const struct regmap_range da9063_writeable_ranges[] = {
+static const struct regmap_range da9063_ad_writeable_ranges[] = {
 	{
 		.range_min = DA9063_REG_PAGE_CON,
 		.range_max = DA9063_REG_PAGE_CON,
@@ -53,7 +53,7 @@ static const struct regmap_range da9063_writeable_ranges[] = {
 		.range_max = DA9063_REG_VSYS_MON,
 	}, {
 		.range_min = DA9063_REG_COUNT_S,
-		.range_max = DA9063_REG_ALARM_Y,
+		.range_max = DA9063_AD_REG_ALARM_Y,
 	}, {
 		.range_min = DA9063_REG_SEQ,
 		.range_max = DA9063_REG_ID_32_31,
@@ -62,14 +62,14 @@ static const struct regmap_range da9063_writeable_ranges[] = {
 		.range_max = DA9063_REG_AUTO3_LOW,
 	}, {
 		.range_min = DA9063_REG_CONFIG_I,
-		.range_max = DA9063_REG_MON_REG_4,
+		.range_max = DA9063_AD_REG_MON_REG_4,
 	}, {
-		.range_min = DA9063_REG_GP_ID_0,
-		.range_max = DA9063_REG_GP_ID_19,
+		.range_min = DA9063_AD_REG_GP_ID_0,
+		.range_max = DA9063_AD_REG_GP_ID_19,
 	},
 };
 
-static const struct regmap_range da9063_volatile_ranges[] = {
+static const struct regmap_range da9063_ad_volatile_ranges[] = {
 	{
 		.range_min = DA9063_REG_STATUS_A,
 		.range_max = DA9063_REG_EVENT_D,
@@ -81,26 +81,104 @@ static const struct regmap_range da9063_volatile_ranges[] = {
 		.range_max = DA9063_REG_ADC_MAN,
 	}, {
 		.range_min = DA9063_REG_ADC_RES_L,
-		.range_max = DA9063_REG_SECOND_D,
+		.range_max = DA9063_AD_REG_SECOND_D,
 	}, {
-		.range_min = DA9063_REG_MON_REG_5,
-		.range_max = DA9063_REG_MON_REG_6,
+		.range_min = DA9063_AD_REG_MON_REG_5,
+		.range_max = DA9063_AD_REG_MON_REG_6,
 	},
 };
 
-static const struct regmap_access_table da9063_readable_table = {
-	.yes_ranges = da9063_readable_ranges,
-	.n_yes_ranges = ARRAY_SIZE(da9063_readable_ranges),
+static const struct regmap_access_table da9063_ad_readable_table = {
+	.yes_ranges = da9063_ad_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_readable_ranges),
 };
 
-static const struct regmap_access_table da9063_writeable_table = {
-	.yes_ranges = da9063_writeable_ranges,
-	.n_yes_ranges = ARRAY_SIZE(da9063_writeable_ranges),
+static const struct regmap_access_table da9063_ad_writeable_table = {
+	.yes_ranges = da9063_ad_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_writeable_ranges),
 };
 
-static const struct regmap_access_table da9063_volatile_table = {
-	.yes_ranges = da9063_volatile_ranges,
-	.n_yes_ranges = ARRAY_SIZE(da9063_volatile_ranges),
+static const struct regmap_access_table da9063_ad_volatile_table = {
+	.yes_ranges = da9063_ad_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_ad_volatile_ranges),
+};
+
+static const struct regmap_range da9063_bb_readable_ranges[] = {
+	{
+		.range_min = DA9063_REG_PAGE_CON,
+		.range_max = DA9063_BB_REG_SECOND_D,
+	}, {
+		.range_min = DA9063_REG_SEQ,
+		.range_max = DA9063_REG_ID_32_31,
+	}, {
+		.range_min = DA9063_REG_SEQ_A,
+		.range_max = DA9063_REG_AUTO3_LOW,
+	}, {
+		.range_min = DA9063_REG_T_OFFSET,
+		.range_max = DA9063_BB_REG_GP_ID_19,
+	}, {
+		.range_min = DA9063_REG_CHIP_ID,
+		.range_max = DA9063_REG_CHIP_VARIANT,
+	},
+};
+
+static const struct regmap_range da9063_bb_writeable_ranges[] = {
+	{
+		.range_min = DA9063_REG_PAGE_CON,
+		.range_max = DA9063_REG_PAGE_CON,
+	}, {
+		.range_min = DA9063_REG_FAULT_LOG,
+		.range_max = DA9063_REG_VSYS_MON,
+	}, {
+		.range_min = DA9063_REG_COUNT_S,
+		.range_max = DA9063_BB_REG_ALARM_Y,
+	}, {
+		.range_min = DA9063_REG_SEQ,
+		.range_max = DA9063_REG_ID_32_31,
+	}, {
+		.range_min = DA9063_REG_SEQ_A,
+		.range_max = DA9063_REG_AUTO3_LOW,
+	}, {
+		.range_min = DA9063_REG_CONFIG_I,
+		.range_max = DA9063_BB_REG_MON_REG_4,
+	}, {
+		.range_min = DA9063_BB_REG_GP_ID_0,
+		.range_max = DA9063_BB_REG_GP_ID_19,
+	},
+};
+
+static const struct regmap_range da9063_bb_volatile_ranges[] = {
+	{
+		.range_min = DA9063_REG_STATUS_A,
+		.range_max = DA9063_REG_EVENT_D,
+	}, {
+		.range_min = DA9063_REG_CONTROL_F,
+		.range_max = DA9063_REG_CONTROL_F,
+	}, {
+		.range_min = DA9063_REG_ADC_MAN,
+		.range_max = DA9063_REG_ADC_MAN,
+	}, {
+		.range_min = DA9063_REG_ADC_RES_L,
+		.range_max = DA9063_BB_REG_SECOND_D,
+	}, {
+		.range_min = DA9063_BB_REG_MON_REG_5,
+		.range_max = DA9063_BB_REG_MON_REG_6,
+	},
+};
+
+static const struct regmap_access_table da9063_bb_readable_table = {
+	.yes_ranges = da9063_bb_readable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_readable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_writeable_table = {
+	.yes_ranges = da9063_bb_writeable_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_writeable_ranges),
+};
+
+static const struct regmap_access_table da9063_bb_volatile_table = {
+	.yes_ranges = da9063_bb_volatile_ranges,
+	.n_yes_ranges = ARRAY_SIZE(da9063_bb_volatile_ranges),
 };
 
 static const struct regmap_range_cfg da9063_range_cfg[] = {
@@ -123,10 +201,6 @@ static struct regmap_config da9063_regmap_config = {
 	.max_register = DA9063_REG_CHIP_VARIANT,
 
 	.cache_type = REGCACHE_RBTREE,
-
-	.rd_table = &da9063_readable_table,
-	.wr_table = &da9063_writeable_table,
-	.volatile_table = &da9063_volatile_table,
 };
 
 static int da9063_i2c_probe(struct i2c_client *i2c,
@@ -143,6 +217,16 @@ static int da9063_i2c_probe(struct i2c_client *i2c,
 	da9063->dev = &i2c->dev;
 	da9063->chip_irq = i2c->irq;
 
+	if (da9063->variant_code == PMIC_DA9063_AD) {
+		da9063_regmap_config.rd_table = &da9063_ad_readable_table;
+		da9063_regmap_config.wr_table = &da9063_ad_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063_ad_volatile_table;
+	} else {
+		da9063_regmap_config.rd_table = &da9063_bb_readable_table;
+		da9063_regmap_config.wr_table = &da9063_bb_writeable_table;
+		da9063_regmap_config.volatile_table = &da9063_bb_volatile_table;
+	}
+
 	da9063->regmap = devm_regmap_init_i2c(i2c, &da9063_regmap_config);
 	if (IS_ERR(da9063->regmap)) {
 		ret = PTR_ERR(da9063->regmap);
diff --git a/drivers/mfd/dm355evm_msp.c b/drivers/mfd/dm355evm_msp.c
index 7a55c0071fa8..4c826f78acd0 100644
--- a/drivers/mfd/dm355evm_msp.c
+++ b/drivers/mfd/dm355evm_msp.c
@@ -95,7 +95,7 @@ EXPORT_SYMBOL(dm355evm_msp_read);
  * Many of the msp430 pins are just used as fixed-direction GPIOs.
  * We could export a few more of them this way, if we wanted.
  */
-#define MSP_GPIO(bit,reg)	((DM355EVM_MSP_ ## reg) << 3 | (bit))
+#define MSP_GPIO(bit, reg)	((DM355EVM_MSP_ ## reg) << 3 | (bit))
 
 static const u8 msp_gpios[] = {
 	/* eight leds */
diff --git a/drivers/mfd/ezx-pcap.c b/drivers/mfd/ezx-pcap.c
index 2ed774e7d342..5991faddd3c6 100644
--- a/drivers/mfd/ezx-pcap.c
+++ b/drivers/mfd/ezx-pcap.c
@@ -62,7 +62,7 @@ static int ezx_pcap_putget(struct pcap_chip *pcap, u32 *data)
 	struct spi_message m;
 	int status;
 
-	memset(&t, 0, sizeof t);
+	memset(&t, 0, sizeof(t));
 	spi_message_init(&m);
 	t.len = sizeof(u32);
 	spi_message_add_tail(&t, &m);
@@ -211,7 +211,6 @@ static void pcap_irq_handler(unsigned int irq, struct irq_desc *desc)
 
 	desc->irq_data.chip->irq_ack(&desc->irq_data);
 	queue_work(pcap->workqueue, &pcap->isr_work);
-	return;
 }
 
 /* ADC */
diff --git a/drivers/mfd/htc-i2cpld.c b/drivers/mfd/htc-i2cpld.c
index d7b2a75aca3e..b44f0203983b 100644
--- a/drivers/mfd/htc-i2cpld.c
+++ b/drivers/mfd/htc-i2cpld.c
@@ -332,18 +332,13 @@ static int htcpld_setup_chip_irq(
 		int chip_index)
 {
 	struct htcpld_data *htcpld;
-	struct device *dev = &pdev->dev;
-	struct htcpld_core_platform_data *pdata;
 	struct htcpld_chip *chip;
-	struct htcpld_chip_platform_data *plat_chip_data;
 	unsigned int irq, irq_end;
 	int ret = 0;
 
 	/* Get the platform and driver data */
-	pdata = dev_get_platdata(dev);
 	htcpld = platform_get_drvdata(pdev);
 	chip = &htcpld->chip[chip_index];
-	plat_chip_data = &pdata->chip[chip_index];
 
 	/* Setup irq handlers */
 	irq_end = chip->irq_start + chip->nirqs;
diff --git a/drivers/mfd/intel_soc_pmic_core.c b/drivers/mfd/intel_soc_pmic_core.c
new file mode 100644
index 000000000000..2720922f90b4
--- /dev/null
+++ b/drivers/mfd/intel_soc_pmic_core.c
@@ -0,0 +1,170 @@
+/*
+ * intel_soc_pmic_core.c - Intel SoC PMIC MFD Driver
+ *
+ * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Author: Yang, Bin <bin.yang@intel.com>
+ * Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
+ */
+
+#include <linux/module.h>
+#include <linux/mfd/core.h>
+#include <linux/i2c.h>
+#include <linux/interrupt.h>
+#include <linux/gpio/consumer.h>
+#include <linux/acpi.h>
+#include <linux/regmap.h>
+#include <linux/mfd/intel_soc_pmic.h>
+#include "intel_soc_pmic_core.h"
+
+/*
+ * On some boards the PMIC interrupt may come from a GPIO line.
+ * Try to lookup the ACPI table and see if such connection exists. If not,
+ * return -ENOENT and use the IRQ provided by I2C.
+ */
+static int intel_soc_pmic_find_gpio_irq(struct device *dev)
+{
+	struct gpio_desc *desc;
+	int irq;
+
+	desc = devm_gpiod_get_index(dev, "intel_soc_pmic", 0);
+	if (IS_ERR(desc))
+		return -ENOENT;
+
+	irq = gpiod_to_irq(desc);
+	if (irq < 0)
+		dev_warn(dev, "Can't get irq: %d\n", irq);
+
+	return irq;
+}
+
+static int intel_soc_pmic_i2c_probe(struct i2c_client *i2c,
+				    const struct i2c_device_id *i2c_id)
+{
+	struct device *dev = &i2c->dev;
+	const struct acpi_device_id *id;
+	struct intel_soc_pmic_config *config;
+	struct intel_soc_pmic *pmic;
+	int ret;
+	int irq;
+
+	id = acpi_match_device(dev->driver->acpi_match_table, dev);
+	if (!id || !id->driver_data)
+		return -ENODEV;
+
+	config = (struct intel_soc_pmic_config *)id->driver_data;
+
+	pmic = devm_kzalloc(dev, sizeof(*pmic), GFP_KERNEL);
+	dev_set_drvdata(dev, pmic);
+
+	pmic->regmap = devm_regmap_init_i2c(i2c, config->regmap_config);
+
+	irq = intel_soc_pmic_find_gpio_irq(dev);
+	pmic->irq = (irq < 0) ? i2c->irq : irq;
+
+	ret = regmap_add_irq_chip(pmic->regmap, pmic->irq,
+				  config->irq_flags | IRQF_ONESHOT,
+				  0, config->irq_chip,
+				  &pmic->irq_chip_data);
+	if (ret)
+		return ret;
+
+	ret = enable_irq_wake(pmic->irq);
+	if (ret)
+		dev_warn(dev, "Can't enable IRQ as wake source: %d\n", ret);
+
+	ret = mfd_add_devices(dev, -1, config->cell_dev,
+			      config->n_cell_devs, NULL, 0,
+			      regmap_irq_get_domain(pmic->irq_chip_data));
+	if (ret)
+		goto err_del_irq_chip;
+
+	return 0;
+
+err_del_irq_chip:
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
+	return ret;
+}
+
+static int intel_soc_pmic_i2c_remove(struct i2c_client *i2c)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(&i2c->dev);
+
+	regmap_del_irq_chip(pmic->irq, pmic->irq_chip_data);
+
+	mfd_remove_devices(&i2c->dev);
+
+	return 0;
+}
+
+static void intel_soc_pmic_shutdown(struct i2c_client *i2c)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(&i2c->dev);
+
+	disable_irq(pmic->irq);
+
+	return;
+}
+
+static int intel_soc_pmic_suspend(struct device *dev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	disable_irq(pmic->irq);
+
+	return 0;
+}
+
+static int intel_soc_pmic_resume(struct device *dev)
+{
+	struct intel_soc_pmic *pmic = dev_get_drvdata(dev);
+
+	enable_irq(pmic->irq);
+
+	return 0;
+}
+
+static SIMPLE_DEV_PM_OPS(intel_soc_pmic_pm_ops, intel_soc_pmic_suspend,
+			 intel_soc_pmic_resume);
+
+static const struct i2c_device_id intel_soc_pmic_i2c_id[] = {
+	{ }
+};
+MODULE_DEVICE_TABLE(i2c, intel_soc_pmic_i2c_id);
+
+#if defined(CONFIG_ACPI)
+static struct acpi_device_id intel_soc_pmic_acpi_match[] = {
+	{"INT33FD", (kernel_ulong_t)&intel_soc_pmic_config_crc},
+	{ },
+};
+MODULE_DEVICE_TABLE(acpi, intel_soc_pmic_acpi_match);
+#endif
+
+static struct i2c_driver intel_soc_pmic_i2c_driver = {
+	.driver = {
+		.name = "intel_soc_pmic_i2c",
+		.owner = THIS_MODULE,
+		.pm = &intel_soc_pmic_pm_ops,
+		.acpi_match_table = ACPI_PTR(intel_soc_pmic_acpi_match),
+	},
+	.probe = intel_soc_pmic_i2c_probe,
+	.remove = intel_soc_pmic_i2c_remove,
+	.id_table = intel_soc_pmic_i2c_id,
+	.shutdown = intel_soc_pmic_shutdown,
+};
+
+module_i2c_driver(intel_soc_pmic_i2c_driver);
+
+MODULE_DESCRIPTION("I2C driver for Intel SoC PMIC");
+MODULE_LICENSE("GPL v2");
+MODULE_AUTHOR("Yang, Bin <bin.yang@intel.com>");
+MODULE_AUTHOR("Zhu, Lejun <lejun.zhu@linux.intel.com>");
diff --git a/drivers/mfd/intel_soc_pmic_core.h b/drivers/mfd/intel_soc_pmic_core.h
new file mode 100644
index 000000000000..33aacd9baddc
--- /dev/null
+++ b/drivers/mfd/intel_soc_pmic_core.h
@@ -0,0 +1,32 @@
+/*
+ * intel_soc_pmic_core.h - Intel SoC PMIC MFD Driver
+ *
+ * Copyright (C) 2012-2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Author: Yang, Bin <bin.yang@intel.com>
+ * Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
+ */
+
+#ifndef __INTEL_SOC_PMIC_CORE_H__
+#define __INTEL_SOC_PMIC_CORE_H__
+
+struct intel_soc_pmic_config {
+	unsigned long irq_flags;
+	struct mfd_cell *cell_dev;
+	int n_cell_devs;
+	struct regmap_config *regmap_config;
+	struct regmap_irq_chip *irq_chip;
+};
+
+extern struct intel_soc_pmic_config intel_soc_pmic_config_crc;
+
+#endif	/* __INTEL_SOC_PMIC_CORE_H__ */
diff --git a/drivers/mfd/intel_soc_pmic_crc.c b/drivers/mfd/intel_soc_pmic_crc.c
new file mode 100644
index 000000000000..7107cab832e6
--- /dev/null
+++ b/drivers/mfd/intel_soc_pmic_crc.c
@@ -0,0 +1,158 @@
+/*
+ * intel_soc_pmic_crc.c - Device access for Crystal Cove PMIC
+ *
+ * Copyright (C) 2013, 2014 Intel Corporation. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License version
+ * 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Author: Yang, Bin <bin.yang@intel.com>
+ * Author: Zhu, Lejun <lejun.zhu@linux.intel.com>
+ */
+
+#include <linux/mfd/core.h>
+#include <linux/interrupt.h>
+#include <linux/regmap.h>
+#include <linux/mfd/intel_soc_pmic.h>
+#include "intel_soc_pmic_core.h"
+
+#define CRYSTAL_COVE_MAX_REGISTER	0xC6
+
+#define CRYSTAL_COVE_REG_IRQLVL1	0x02
+#define CRYSTAL_COVE_REG_MIRQLVL1	0x0E
+
+#define CRYSTAL_COVE_IRQ_PWRSRC		0
+#define CRYSTAL_COVE_IRQ_THRM		1
+#define CRYSTAL_COVE_IRQ_BCU		2
+#define CRYSTAL_COVE_IRQ_ADC		3
+#define CRYSTAL_COVE_IRQ_CHGR		4
+#define CRYSTAL_COVE_IRQ_GPIO		5
+#define CRYSTAL_COVE_IRQ_VHDMIOCP	6
+
+static struct resource gpio_resources[] = {
+	{
+		.name	= "GPIO",
+		.start	= CRYSTAL_COVE_IRQ_GPIO,
+		.end	= CRYSTAL_COVE_IRQ_GPIO,
+		.flags	= IORESOURCE_IRQ,
+	},
+};
+
+static struct resource pwrsrc_resources[] = {
+	{
+		.name  = "PWRSRC",
+		.start = CRYSTAL_COVE_IRQ_PWRSRC,
+		.end   = CRYSTAL_COVE_IRQ_PWRSRC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource adc_resources[] = {
+	{
+		.name  = "ADC",
+		.start = CRYSTAL_COVE_IRQ_ADC,
+		.end   = CRYSTAL_COVE_IRQ_ADC,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource thermal_resources[] = {
+	{
+		.name  = "THERMAL",
+		.start = CRYSTAL_COVE_IRQ_THRM,
+		.end   = CRYSTAL_COVE_IRQ_THRM,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct resource bcu_resources[] = {
+	{
+		.name  = "BCU",
+		.start = CRYSTAL_COVE_IRQ_BCU,
+		.end   = CRYSTAL_COVE_IRQ_BCU,
+		.flags = IORESOURCE_IRQ,
+	},
+};
+
+static struct mfd_cell crystal_cove_dev[] = {
+	{
+		.name = "crystal_cove_pwrsrc",
+		.num_resources = ARRAY_SIZE(pwrsrc_resources),
+		.resources = pwrsrc_resources,
+	},
+	{
+		.name = "crystal_cove_adc",
+		.num_resources = ARRAY_SIZE(adc_resources),
+		.resources = adc_resources,
+	},
+	{
+		.name = "crystal_cove_thermal",
+		.num_resources = ARRAY_SIZE(thermal_resources),
+		.resources = thermal_resources,
+	},
+	{
+		.name = "crystal_cove_bcu",
+		.num_resources = ARRAY_SIZE(bcu_resources),
+		.resources = bcu_resources,
+	},
+	{
+		.name = "crystal_cove_gpio",
+		.num_resources = ARRAY_SIZE(gpio_resources),
+		.resources = gpio_resources,
+	},
+};
+
+static struct regmap_config crystal_cove_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = CRYSTAL_COVE_MAX_REGISTER,
+	.cache_type = REGCACHE_NONE,
+};
+
+static const struct regmap_irq crystal_cove_irqs[] = {
+	[CRYSTAL_COVE_IRQ_PWRSRC] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_PWRSRC),
+	},
+	[CRYSTAL_COVE_IRQ_THRM] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_THRM),
+	},
+	[CRYSTAL_COVE_IRQ_BCU] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_BCU),
+	},
+	[CRYSTAL_COVE_IRQ_ADC] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_ADC),
+	},
+	[CRYSTAL_COVE_IRQ_CHGR] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_CHGR),
+	},
+	[CRYSTAL_COVE_IRQ_GPIO] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_GPIO),
+	},
+	[CRYSTAL_COVE_IRQ_VHDMIOCP] = {
+		.mask = BIT(CRYSTAL_COVE_IRQ_VHDMIOCP),
+	},
+};
+
+static struct regmap_irq_chip crystal_cove_irq_chip = {
+	.name = "Crystal Cove",
+	.irqs = crystal_cove_irqs,
+	.num_irqs = ARRAY_SIZE(crystal_cove_irqs),
+	.num_regs = 1,
+	.status_base = CRYSTAL_COVE_REG_IRQLVL1,
+	.mask_base = CRYSTAL_COVE_REG_MIRQLVL1,
+};
+
+struct intel_soc_pmic_config intel_soc_pmic_config_crc = {
+	.irq_flags = IRQF_TRIGGER_RISING,
+	.cell_dev = crystal_cove_dev,
+	.n_cell_devs = ARRAY_SIZE(crystal_cove_dev),
+	.regmap_config = &crystal_cove_regmap_config,
+	.irq_chip = &crystal_cove_irq_chip,
+};
diff --git a/drivers/mfd/ipaq-micro.c b/drivers/mfd/ipaq-micro.c
index 7e50fe0118e3..8df3266064e4 100644
--- a/drivers/mfd/ipaq-micro.c
+++ b/drivers/mfd/ipaq-micro.c
@@ -115,7 +115,7 @@ static void micro_rx_msg(struct ipaq_micro *micro, u8 id, int len, u8 *data)
 		} else {
 			dev_err(micro->dev,
 				"out of band RX message 0x%02x\n", id);
-			if(!micro->msg)
+			if (!micro->msg)
 				dev_info(micro->dev, "no message queued\n");
 			else
 				dev_info(micro->dev, "expected message %02x\n",
@@ -126,13 +126,13 @@ static void micro_rx_msg(struct ipaq_micro *micro, u8 id, int len, u8 *data)
 		if (micro->key)
 			micro->key(micro->key_data, len, data);
 		else
-			dev_dbg(micro->dev, "key message ignored, no handle \n");
+			dev_dbg(micro->dev, "key message ignored, no handle\n");
 		break;
 	case MSG_TOUCHSCREEN:
 		if (micro->ts)
 			micro->ts(micro->ts_data, len, data);
 		else
-			dev_dbg(micro->dev, "touchscreen message ignored, no handle \n");
+			dev_dbg(micro->dev, "touchscreen message ignored, no handle\n");
 		break;
 	default:
 		dev_err(micro->dev,
@@ -154,7 +154,7 @@ static void micro_process_char(struct ipaq_micro *micro, u8 ch)
 			rx->state = STATE_ID; /* Next byte is the id and len */
 		break;
 	case STATE_ID: /* Looking for id and len byte */
-		rx->id = (ch & 0xf0) >> 4 ;
+		rx->id = (ch & 0xf0) >> 4;
 		rx->len = (ch & 0x0f);
 		rx->index = 0;
 		rx->chksum = ch;
diff --git a/drivers/mfd/kempld-core.c b/drivers/mfd/kempld-core.c
index f7ff0188603d..bd2696136eee 100644
--- a/drivers/mfd/kempld-core.c
+++ b/drivers/mfd/kempld-core.c
@@ -24,7 +24,8 @@
 
 #define MAX_ID_LEN 4
 static char force_device_id[MAX_ID_LEN + 1] = "";
-module_param_string(force_device_id, force_device_id, sizeof(force_device_id), 0);
+module_param_string(force_device_id, force_device_id,
+		    sizeof(force_device_id), 0);
 MODULE_PARM_DESC(force_device_id, "Override detected product");
 
 /*
@@ -36,7 +37,7 @@ static void kempld_get_hardware_mutex(struct kempld_device_data *pld)
 {
 	/* The mutex bit will read 1 until access has been granted */
 	while (ioread8(pld->io_index) & KEMPLD_MUTEX_KEY)
-		msleep(1);
+		usleep_range(1000, 3000);
 }
 
 static void kempld_release_hardware_mutex(struct kempld_device_data *pld)
@@ -499,7 +500,7 @@ static struct platform_driver kempld_driver = {
 	.remove		= kempld_remove,
 };
 
-static struct dmi_system_id __initdata kempld_dmi_table[] = {
+static struct dmi_system_id kempld_dmi_table[] __initdata = {
 	{
 		.ident = "BHL6",
 		.matches = {
@@ -736,7 +737,8 @@ static int __init kempld_init(void)
 	int ret;
 
 	if (force_device_id[0]) {
-		for (id = kempld_dmi_table; id->matches[0].slot != DMI_NONE; id++)
+		for (id = kempld_dmi_table;
+		     id->matches[0].slot != DMI_NONE; id++)
 			if (strstr(id->ident, force_device_id))
 				if (id->callback && id->callback(id))
 					break;
diff --git a/drivers/mfd/lp8788-irq.c b/drivers/mfd/lp8788-irq.c
index c84ded5f8ece..23982dbf014d 100644
--- a/drivers/mfd/lp8788-irq.c
+++ b/drivers/mfd/lp8788-irq.c
@@ -66,12 +66,14 @@ static inline u8 _irq_to_val(enum lp8788_int_id id, int enable)
 static void lp8788_irq_enable(struct irq_data *data)
 {
 	struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+
 	irqd->enabled[data->hwirq] = 1;
 }
 
 static void lp8788_irq_disable(struct irq_data *data)
 {
 	struct lp8788_irq_data *irqd = irq_data_get_irq_chip_data(data);
+
 	irqd->enabled[data->hwirq] = 0;
 }
 
diff --git a/drivers/mfd/max77686-irq.c b/drivers/mfd/max77686-irq.c
deleted file mode 100644
index cdc3280e2ec7..000000000000
--- a/drivers/mfd/max77686-irq.c
+++ /dev/null
@@ -1,319 +0,0 @@
-/*
- * max77686-irq.c - Interrupt controller support for MAX77686
- *
- * Copyright (C) 2012 Samsung Electronics Co.Ltd
- * Chiwoong Byun <woong.byun@samsung.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- * This driver is based on max8997-irq.c
- */
-
-#include <linux/err.h>
-#include <linux/irq.h>
-#include <linux/interrupt.h>
-#include <linux/gpio.h>
-#include <linux/mfd/max77686.h>
-#include <linux/mfd/max77686-private.h>
-#include <linux/irqdomain.h>
-#include <linux/regmap.h>
-
-enum {
-	MAX77686_DEBUG_IRQ_INFO = 1 << 0,
-	MAX77686_DEBUG_IRQ_MASK = 1 << 1,
-	MAX77686_DEBUG_IRQ_INT = 1 << 2,
-};
-
-static int debug_mask = 0;
-module_param(debug_mask, int, 0);
-MODULE_PARM_DESC(debug_mask, "Set debug_mask : 0x0=off 0x1=IRQ_INFO  0x2=IRQ_MASK 0x4=IRQ_INI)");
-
-static const u8 max77686_mask_reg[] = {
-	[PMIC_INT1] = MAX77686_REG_INT1MSK,
-	[PMIC_INT2] = MAX77686_REG_INT2MSK,
-	[RTC_INT] = MAX77686_RTC_INTM,
-};
-
-static struct regmap *max77686_get_regmap(struct max77686_dev *max77686,
-				enum max77686_irq_source src)
-{
-	switch (src) {
-	case PMIC_INT1 ... PMIC_INT2:
-		return max77686->regmap;
-	case RTC_INT:
-		return max77686->rtc_regmap;
-	default:
-		return ERR_PTR(-EINVAL);
-	}
-}
-
-struct max77686_irq_data {
-	int mask;
-	enum max77686_irq_source group;
-};
-
-#define DECLARE_IRQ(idx, _group, _mask)		\
-	[(idx)] = { .group = (_group), .mask = (_mask) }
-static const struct max77686_irq_data max77686_irqs[] = {
-	DECLARE_IRQ(MAX77686_PMICIRQ_PWRONF,	PMIC_INT1, 1 << 0),
-	DECLARE_IRQ(MAX77686_PMICIRQ_PWRONR,	PMIC_INT1, 1 << 1),
-	DECLARE_IRQ(MAX77686_PMICIRQ_JIGONBF,	PMIC_INT1, 1 << 2),
-	DECLARE_IRQ(MAX77686_PMICIRQ_JIGONBR,	PMIC_INT1, 1 << 3),
-	DECLARE_IRQ(MAX77686_PMICIRQ_ACOKBF,	PMIC_INT1, 1 << 4),
-	DECLARE_IRQ(MAX77686_PMICIRQ_ACOKBR,	PMIC_INT1, 1 << 5),
-	DECLARE_IRQ(MAX77686_PMICIRQ_ONKEY1S,	PMIC_INT1, 1 << 6),
-	DECLARE_IRQ(MAX77686_PMICIRQ_MRSTB,		PMIC_INT1, 1 << 7),
-	DECLARE_IRQ(MAX77686_PMICIRQ_140C,		PMIC_INT2, 1 << 0),
-	DECLARE_IRQ(MAX77686_PMICIRQ_120C,		PMIC_INT2, 1 << 1),
-	DECLARE_IRQ(MAX77686_RTCIRQ_RTC60S,		RTC_INT, 1 << 0),
-	DECLARE_IRQ(MAX77686_RTCIRQ_RTCA1,		RTC_INT, 1 << 1),
-	DECLARE_IRQ(MAX77686_RTCIRQ_RTCA2,		RTC_INT, 1 << 2),
-	DECLARE_IRQ(MAX77686_RTCIRQ_SMPL,		RTC_INT, 1 << 3),
-	DECLARE_IRQ(MAX77686_RTCIRQ_RTC1S,		RTC_INT, 1 << 4),
-	DECLARE_IRQ(MAX77686_RTCIRQ_WTSR,		RTC_INT, 1 << 5),
-};
-
-static void max77686_irq_lock(struct irq_data *data)
-{
-	struct max77686_dev *max77686 = irq_get_chip_data(data->irq);
-
-	if (debug_mask & MAX77686_DEBUG_IRQ_MASK)
-		pr_info("%s\n", __func__);
-
-	mutex_lock(&max77686->irqlock);
-}
-
-static void max77686_irq_sync_unlock(struct irq_data *data)
-{
-	struct max77686_dev *max77686 = irq_get_chip_data(data->irq);
-	int i;
-
-	for (i = 0; i < MAX77686_IRQ_GROUP_NR; i++) {
-		u8 mask_reg = max77686_mask_reg[i];
-		struct regmap *map = max77686_get_regmap(max77686, i);
-
-		if (debug_mask & MAX77686_DEBUG_IRQ_MASK)
-			pr_debug("%s: mask_reg[%d]=0x%x, cur=0x%x\n",
-			__func__, i, mask_reg, max77686->irq_masks_cur[i]);
-
-		if (mask_reg == MAX77686_REG_INVALID ||
-				IS_ERR_OR_NULL(map))
-			continue;
-
-		max77686->irq_masks_cache[i] = max77686->irq_masks_cur[i];
-
-		regmap_write(map, max77686_mask_reg[i],
-				max77686->irq_masks_cur[i]);
-	}
-
-	mutex_unlock(&max77686->irqlock);
-}
-
-static const inline struct max77686_irq_data *to_max77686_irq(int irq)
-{
-	struct irq_data *data = irq_get_irq_data(irq);
-	return &max77686_irqs[data->hwirq];
-}
-
-static void max77686_irq_mask(struct irq_data *data)
-{
-	struct max77686_dev *max77686 = irq_get_chip_data(data->irq);
-	const struct max77686_irq_data *irq_data = to_max77686_irq(data->irq);
-
-	max77686->irq_masks_cur[irq_data->group] |= irq_data->mask;
-
-	if (debug_mask & MAX77686_DEBUG_IRQ_MASK)
-		pr_info("%s: group=%d, cur=0x%x\n",
-			__func__, irq_data->group,
-			max77686->irq_masks_cur[irq_data->group]);
-}
-
-static void max77686_irq_unmask(struct irq_data *data)
-{
-	struct max77686_dev *max77686 = irq_get_chip_data(data->irq);
-	const struct max77686_irq_data *irq_data = to_max77686_irq(data->irq);
-
-	max77686->irq_masks_cur[irq_data->group] &= ~irq_data->mask;
-
-	if (debug_mask & MAX77686_DEBUG_IRQ_MASK)
-		pr_info("%s: group=%d, cur=0x%x\n",
-			__func__, irq_data->group,
-			max77686->irq_masks_cur[irq_data->group]);
-}
-
-static struct irq_chip max77686_irq_chip = {
-	.name			= "max77686",
-	.irq_bus_lock		= max77686_irq_lock,
-	.irq_bus_sync_unlock	= max77686_irq_sync_unlock,
-	.irq_mask		= max77686_irq_mask,
-	.irq_unmask		= max77686_irq_unmask,
-};
-
-static irqreturn_t max77686_irq_thread(int irq, void *data)
-{
-	struct max77686_dev *max77686 = data;
-	unsigned int irq_reg[MAX77686_IRQ_GROUP_NR] = {};
-	unsigned int irq_src;
-	int ret;
-	int i, cur_irq;
-
-	ret = regmap_read(max77686->regmap,  MAX77686_REG_INTSRC, &irq_src);
-	if (ret < 0) {
-		dev_err(max77686->dev, "Failed to read interrupt source: %d\n",
-				ret);
-		return IRQ_NONE;
-	}
-
-	if (debug_mask & MAX77686_DEBUG_IRQ_INT)
-		pr_info("%s: irq_src=0x%x\n", __func__, irq_src);
-
-	if (irq_src == MAX77686_IRQSRC_PMIC) {
-		ret = regmap_bulk_read(max77686->regmap,
-					 MAX77686_REG_INT1, irq_reg, 2);
-		if (ret < 0) {
-			dev_err(max77686->dev, "Failed to read interrupt source: %d\n",
-					ret);
-			return IRQ_NONE;
-		}
-
-		if (debug_mask & MAX77686_DEBUG_IRQ_INT)
-			pr_info("%s: int1=0x%x, int2=0x%x\n", __func__,
-				 irq_reg[PMIC_INT1], irq_reg[PMIC_INT2]);
-	}
-
-	if (irq_src & MAX77686_IRQSRC_RTC) {
-		ret = regmap_read(max77686->rtc_regmap,
-					MAX77686_RTC_INT, &irq_reg[RTC_INT]);
-		if (ret < 0) {
-			dev_err(max77686->dev, "Failed to read interrupt source: %d\n",
-					ret);
-			return IRQ_NONE;
-		}
-
-		if (debug_mask & MAX77686_DEBUG_IRQ_INT)
-			pr_info("%s: rtc int=0x%x\n", __func__,
-							 irq_reg[RTC_INT]);
-
-	}
-
-	for (i = 0; i < MAX77686_IRQ_GROUP_NR; i++)
-		irq_reg[i] &= ~max77686->irq_masks_cur[i];
-
-	for (i = 0; i < MAX77686_IRQ_NR; i++) {
-		if (irq_reg[max77686_irqs[i].group] & max77686_irqs[i].mask) {
-			cur_irq = irq_find_mapping(max77686->irq_domain, i);
-			if (cur_irq)
-				handle_nested_irq(cur_irq);
-		}
-	}
-
-	return IRQ_HANDLED;
-}
-
-static int max77686_irq_domain_map(struct irq_domain *d, unsigned int irq,
-					irq_hw_number_t hw)
-{
-	struct max77686_dev *max77686 = d->host_data;
-
-	irq_set_chip_data(irq, max77686);
-	irq_set_chip_and_handler(irq, &max77686_irq_chip, handle_edge_irq);
-	irq_set_nested_thread(irq, 1);
-#ifdef CONFIG_ARM
-	set_irq_flags(irq, IRQF_VALID);
-#else
-	irq_set_noprobe(irq);
-#endif
-	return 0;
-}
-
-static struct irq_domain_ops max77686_irq_domain_ops = {
-	.map = max77686_irq_domain_map,
-};
-
-int max77686_irq_init(struct max77686_dev *max77686)
-{
-	struct irq_domain *domain;
-	int i;
-	int ret;
-	int val;
-	struct regmap *map;
-
-	mutex_init(&max77686->irqlock);
-
-	if (max77686->irq_gpio && !max77686->irq) {
-		max77686->irq = gpio_to_irq(max77686->irq_gpio);
-
-		if (debug_mask & MAX77686_DEBUG_IRQ_INT) {
-			ret = gpio_request(max77686->irq_gpio, "pmic_irq");
-			if (ret < 0) {
-				dev_err(max77686->dev,
-					"Failed to request gpio %d with ret:"
-					"%d\n",	max77686->irq_gpio, ret);
-				return IRQ_NONE;
-			}
-
-			gpio_direction_input(max77686->irq_gpio);
-			val = gpio_get_value(max77686->irq_gpio);
-			gpio_free(max77686->irq_gpio);
-			pr_info("%s: gpio_irq=%x\n", __func__, val);
-		}
-	}
-
-	if (!max77686->irq) {
-		dev_err(max77686->dev, "irq is not specified\n");
-		return -ENODEV;
-	}
-
-	/* Mask individual interrupt sources */
-	for (i = 0; i < MAX77686_IRQ_GROUP_NR; i++) {
-		max77686->irq_masks_cur[i] = 0xff;
-		max77686->irq_masks_cache[i] = 0xff;
-		map = max77686_get_regmap(max77686, i);
-
-		if (IS_ERR_OR_NULL(map))
-			continue;
-		if (max77686_mask_reg[i] == MAX77686_REG_INVALID)
-			continue;
-
-		regmap_write(map, max77686_mask_reg[i], 0xff);
-	}
-	domain = irq_domain_add_linear(NULL, MAX77686_IRQ_NR,
-					&max77686_irq_domain_ops, max77686);
-	if (!domain) {
-		dev_err(max77686->dev, "could not create irq domain\n");
-		return -ENODEV;
-	}
-	max77686->irq_domain = domain;
-
-	ret = request_threaded_irq(max77686->irq, NULL, max77686_irq_thread,
-				   IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				   "max77686-irq", max77686);
-
-	if (ret)
-		dev_err(max77686->dev, "Failed to request IRQ %d: %d\n",
-			max77686->irq, ret);
-
-
-	if (debug_mask & MAX77686_DEBUG_IRQ_INFO)
-		pr_info("%s-\n", __func__);
-
-	return 0;
-}
-
-void max77686_irq_exit(struct max77686_dev *max77686)
-{
-	if (max77686->irq)
-		free_irq(max77686->irq, max77686);
-}
diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c
index ce869acf27ae..86e552348db4 100644
--- a/drivers/mfd/max77686.c
+++ b/drivers/mfd/max77686.c
@@ -1,5 +1,5 @@
 /*
- * max77686.c - mfd core driver for the Maxim 77686
+ * max77686.c - mfd core driver for the Maxim 77686/802
  *
  * Copyright (C) 2012 Samsung Electronics
  * Chiwoong Byun <woong.byun@smasung.com>
@@ -25,6 +25,8 @@
 #include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/i2c.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
 #include <linux/pm_runtime.h>
 #include <linux/module.h>
 #include <linux/mfd/core.h>
@@ -41,15 +43,166 @@ static const struct mfd_cell max77686_devs[] = {
 	{ .name = "max77686-clk", },
 };
 
+static const struct mfd_cell max77802_devs[] = {
+	{ .name = "max77802-pmic", },
+	{ .name = "max77802-clk", },
+	{ .name = "max77802-rtc", },
+};
+
+static bool max77802_pmic_is_accessible_reg(struct device *dev,
+					    unsigned int reg)
+{
+	return (reg >= MAX77802_REG_DEVICE_ID && reg < MAX77802_REG_PMIC_END);
+}
+
+static bool max77802_rtc_is_accessible_reg(struct device *dev,
+					   unsigned int reg)
+{
+	return (reg >= MAX77802_RTC_INT && reg < MAX77802_RTC_END);
+}
+
+static bool max77802_is_accessible_reg(struct device *dev, unsigned int reg)
+{
+	return (max77802_pmic_is_accessible_reg(dev, reg) ||
+		max77802_rtc_is_accessible_reg(dev, reg));
+}
+
+static bool max77802_pmic_is_precious_reg(struct device *dev, unsigned int reg)
+{
+	return (reg == MAX77802_REG_INTSRC || reg == MAX77802_REG_INT1 ||
+		reg == MAX77802_REG_INT2);
+}
+
+static bool max77802_rtc_is_precious_reg(struct device *dev, unsigned int reg)
+{
+	return (reg == MAX77802_RTC_INT ||
+		reg == MAX77802_RTC_UPDATE0 ||
+		reg == MAX77802_RTC_UPDATE1);
+}
+
+static bool max77802_is_precious_reg(struct device *dev, unsigned int reg)
+{
+	return (max77802_pmic_is_precious_reg(dev, reg) ||
+		max77802_rtc_is_precious_reg(dev, reg));
+}
+
+static bool max77802_pmic_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+	return (max77802_is_precious_reg(dev, reg) ||
+		reg == MAX77802_REG_STATUS1 || reg == MAX77802_REG_STATUS2 ||
+		reg == MAX77802_REG_PWRON);
+}
+
+static bool max77802_rtc_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+	return (max77802_rtc_is_precious_reg(dev, reg) ||
+		reg == MAX77802_RTC_SEC ||
+		reg == MAX77802_RTC_MIN ||
+		reg == MAX77802_RTC_HOUR ||
+		reg == MAX77802_RTC_WEEKDAY ||
+		reg == MAX77802_RTC_MONTH ||
+		reg == MAX77802_RTC_YEAR ||
+		reg == MAX77802_RTC_DATE);
+}
+
+static bool max77802_is_volatile_reg(struct device *dev, unsigned int reg)
+{
+	return (max77802_pmic_is_volatile_reg(dev, reg) ||
+		max77802_rtc_is_volatile_reg(dev, reg));
+}
+
 static struct regmap_config max77686_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
 };
 
-#ifdef CONFIG_OF
+static struct regmap_config max77686_rtc_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+};
+
+static struct regmap_config max77802_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+	.writeable_reg = max77802_is_accessible_reg,
+	.readable_reg = max77802_is_accessible_reg,
+	.precious_reg = max77802_is_precious_reg,
+	.volatile_reg = max77802_is_volatile_reg,
+	.name = "max77802-pmic",
+	.cache_type = REGCACHE_RBTREE,
+};
+
+static const struct regmap_irq max77686_irqs[] = {
+	/* INT1 interrupts */
+	{ .reg_offset = 0, .mask = MAX77686_INT1_PWRONF_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_PWRONR_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_JIGONBF_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_JIGONBR_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_ACOKBF_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_ACOKBR_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_ONKEY1S_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_INT1_MRSTB_MSK, },
+	/* INT2 interrupts */
+	{ .reg_offset = 1, .mask = MAX77686_INT2_140C_MSK, },
+	{ .reg_offset = 1, .mask = MAX77686_INT2_120C_MSK, },
+};
+
+static const struct regmap_irq_chip max77686_irq_chip = {
+	.name			= "max77686-pmic",
+	.status_base		= MAX77686_REG_INT1,
+	.mask_base		= MAX77686_REG_INT1MSK,
+	.num_regs		= 2,
+	.irqs			= max77686_irqs,
+	.num_irqs		= ARRAY_SIZE(max77686_irqs),
+};
+
+static const struct regmap_irq max77686_rtc_irqs[] = {
+	/* RTC interrupts */
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_RTC60S_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_RTCA1_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_RTCA2_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_SMPL_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_RTC1S_MSK, },
+	{ .reg_offset = 0, .mask = MAX77686_RTCINT_WTSR_MSK, },
+};
+
+static const struct regmap_irq_chip max77686_rtc_irq_chip = {
+	.name			= "max77686-rtc",
+	.status_base		= MAX77686_RTC_INT,
+	.mask_base		= MAX77686_RTC_INTM,
+	.num_regs		= 1,
+	.irqs			= max77686_rtc_irqs,
+	.num_irqs		= ARRAY_SIZE(max77686_rtc_irqs),
+};
+
+static const struct regmap_irq_chip max77802_irq_chip = {
+	.name			= "max77802-pmic",
+	.status_base		= MAX77802_REG_INT1,
+	.mask_base		= MAX77802_REG_INT1MSK,
+	.num_regs		= 2,
+	.irqs			= max77686_irqs, /* same masks as 77686 */
+	.num_irqs		= ARRAY_SIZE(max77686_irqs),
+};
+
+static const struct regmap_irq_chip max77802_rtc_irq_chip = {
+	.name			= "max77802-rtc",
+	.status_base		= MAX77802_RTC_INT,
+	.mask_base		= MAX77802_RTC_INTM,
+	.num_regs		= 1,
+	.irqs			= max77686_rtc_irqs, /* same masks as 77686 */
+	.num_irqs		= ARRAY_SIZE(max77686_rtc_irqs),
+};
+
 static const struct of_device_id max77686_pmic_dt_match[] = {
-	{.compatible = "maxim,max77686", .data = NULL},
-	{},
+	{
+		.compatible = "maxim,max77686",
+		.data = (void *)TYPE_MAX77686,
+	},
+	{
+		.compatible = "maxim,max77802",
+		.data = (void *)TYPE_MAX77802,
+	},
+	{ },
 };
 
 static struct max77686_platform_data *max77686_i2c_parse_dt_pdata(struct device
@@ -58,53 +211,74 @@ static struct max77686_platform_data *max77686_i2c_parse_dt_pdata(struct device
 	struct max77686_platform_data *pd;
 
 	pd = devm_kzalloc(dev, sizeof(*pd), GFP_KERNEL);
-	if (!pd) {
-		dev_err(dev, "could not allocate memory for pdata\n");
+	if (!pd)
 		return NULL;
-	}
 
 	dev->platform_data = pd;
 	return pd;
 }
-#else
-static struct max77686_platform_data *max77686_i2c_parse_dt_pdata(struct device
-								  *dev)
-{
-	return 0;
-}
-#endif
 
 static int max77686_i2c_probe(struct i2c_client *i2c,
 			      const struct i2c_device_id *id)
 {
 	struct max77686_dev *max77686 = NULL;
 	struct max77686_platform_data *pdata = dev_get_platdata(&i2c->dev);
+	const struct of_device_id *match;
 	unsigned int data;
 	int ret = 0;
+	const struct regmap_config *config;
+	const struct regmap_irq_chip *irq_chip;
+	const struct regmap_irq_chip *rtc_irq_chip;
+	struct regmap **rtc_regmap;
+	const struct mfd_cell *cells;
+	int n_devs;
 
-	if (i2c->dev.of_node)
+	if (IS_ENABLED(CONFIG_OF) && i2c->dev.of_node && !pdata)
 		pdata = max77686_i2c_parse_dt_pdata(&i2c->dev);
 
 	if (!pdata) {
 		dev_err(&i2c->dev, "No platform data found.\n");
-		return -EIO;
+		return -EINVAL;
 	}
 
 	max77686 = devm_kzalloc(&i2c->dev,
 				sizeof(struct max77686_dev), GFP_KERNEL);
-	if (max77686 == NULL)
+	if (!max77686)
 		return -ENOMEM;
 
+	if (i2c->dev.of_node) {
+		match = of_match_node(max77686_pmic_dt_match, i2c->dev.of_node);
+		if (!match)
+			return -EINVAL;
+
+		max77686->type = (unsigned long)match->data;
+	} else
+		max77686->type = id->driver_data;
+
 	i2c_set_clientdata(i2c, max77686);
 	max77686->dev = &i2c->dev;
 	max77686->i2c = i2c;
-	max77686->type = id->driver_data;
 
 	max77686->wakeup = pdata->wakeup;
-	max77686->irq_gpio = pdata->irq_gpio;
 	max77686->irq = i2c->irq;
 
-	max77686->regmap = devm_regmap_init_i2c(i2c, &max77686_regmap_config);
+	if (max77686->type == TYPE_MAX77686) {
+		config = &max77686_regmap_config;
+		irq_chip = &max77686_irq_chip;
+		rtc_irq_chip = &max77686_rtc_irq_chip;
+		rtc_regmap = &max77686->rtc_regmap;
+		cells =  max77686_devs;
+		n_devs = ARRAY_SIZE(max77686_devs);
+	} else {
+		config = &max77802_regmap_config;
+		irq_chip = &max77802_irq_chip;
+		rtc_irq_chip = &max77802_rtc_irq_chip;
+		rtc_regmap = &max77686->regmap;
+		cells =  max77802_devs;
+		n_devs = ARRAY_SIZE(max77802_devs);
+	}
+
+	max77686->regmap = devm_regmap_init_i2c(i2c, config);
 	if (IS_ERR(max77686->regmap)) {
 		ret = PTR_ERR(max77686->regmap);
 		dev_err(max77686->dev, "Failed to allocate register map: %d\n",
@@ -112,30 +286,68 @@ static int max77686_i2c_probe(struct i2c_client *i2c,
 		return ret;
 	}
 
-	if (regmap_read(max77686->regmap,
-			 MAX77686_REG_DEVICE_ID, &data) < 0) {
+	ret = regmap_read(max77686->regmap, MAX77686_REG_DEVICE_ID, &data);
+	if (ret < 0) {
 		dev_err(max77686->dev,
 			"device not found on this channel (this is not an error)\n");
 		return -ENODEV;
-	} else
-		dev_info(max77686->dev, "device found\n");
+	}
 
-	max77686->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
-	if (!max77686->rtc) {
-		dev_err(max77686->dev, "Failed to allocate I2C device for RTC\n");
-		return -ENODEV;
+	if (max77686->type == TYPE_MAX77686) {
+		max77686->rtc = i2c_new_dummy(i2c->adapter, I2C_ADDR_RTC);
+		if (!max77686->rtc) {
+			dev_err(max77686->dev,
+				"Failed to allocate I2C device for RTC\n");
+			return -ENODEV;
+		}
+		i2c_set_clientdata(max77686->rtc, max77686);
+
+		max77686->rtc_regmap =
+			devm_regmap_init_i2c(max77686->rtc,
+					     &max77686_rtc_regmap_config);
+		if (IS_ERR(max77686->rtc_regmap)) {
+			ret = PTR_ERR(max77686->rtc_regmap);
+			dev_err(max77686->dev,
+				"failed to allocate RTC regmap: %d\n",
+				ret);
+			goto err_unregister_i2c;
+		}
+	}
+
+	ret = regmap_add_irq_chip(max77686->regmap, max77686->irq,
+				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT |
+				  IRQF_SHARED, 0, irq_chip,
+				  &max77686->irq_data);
+	if (ret) {
+		dev_err(&i2c->dev, "failed to add PMIC irq chip: %d\n", ret);
+		goto err_unregister_i2c;
 	}
-	i2c_set_clientdata(max77686->rtc, max77686);
 
-	max77686_irq_init(max77686);
+	ret = regmap_add_irq_chip(*rtc_regmap, max77686->irq,
+				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT |
+				  IRQF_SHARED, 0, rtc_irq_chip,
+				  &max77686->rtc_irq_data);
+	if (ret) {
+		dev_err(&i2c->dev, "failed to add RTC irq chip: %d\n", ret);
+		goto err_del_irqc;
+	}
 
-	ret = mfd_add_devices(max77686->dev, -1, max77686_devs,
-			      ARRAY_SIZE(max77686_devs), NULL, 0, NULL);
+	ret = mfd_add_devices(max77686->dev, -1, cells, n_devs, NULL, 0, NULL);
 	if (ret < 0) {
-		mfd_remove_devices(max77686->dev);
-		i2c_unregister_device(max77686->rtc);
+		dev_err(&i2c->dev, "failed to add MFD devices: %d\n", ret);
+		goto err_del_rtc_irqc;
 	}
 
+	return 0;
+
+err_del_rtc_irqc:
+	regmap_del_irq_chip(max77686->irq, max77686->rtc_irq_data);
+err_del_irqc:
+	regmap_del_irq_chip(max77686->irq, max77686->irq_data);
+err_unregister_i2c:
+	if (max77686->type == TYPE_MAX77686)
+		i2c_unregister_device(max77686->rtc);
+
 	return ret;
 }
 
@@ -144,7 +356,12 @@ static int max77686_i2c_remove(struct i2c_client *i2c)
 	struct max77686_dev *max77686 = i2c_get_clientdata(i2c);
 
 	mfd_remove_devices(max77686->dev);
-	i2c_unregister_device(max77686->rtc);
+
+	regmap_del_irq_chip(max77686->irq, max77686->rtc_irq_data);
+	regmap_del_irq_chip(max77686->irq, max77686->irq_data);
+
+	if (max77686->type == TYPE_MAX77686)
+		i2c_unregister_device(max77686->rtc);
 
 	return 0;
 }
@@ -155,10 +372,50 @@ static const struct i2c_device_id max77686_i2c_id[] = {
 };
 MODULE_DEVICE_TABLE(i2c, max77686_i2c_id);
 
+#ifdef CONFIG_PM_SLEEP
+static int max77686_suspend(struct device *dev)
+{
+	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+	struct max77686_dev *max77686 = i2c_get_clientdata(i2c);
+
+	if (device_may_wakeup(dev))
+		enable_irq_wake(max77686->irq);
+
+	/*
+	 * IRQ must be disabled during suspend because if it happens
+	 * while suspended it will be handled before resuming I2C.
+	 *
+	 * When device is woken up from suspend (e.g. by RTC wake alarm),
+	 * an interrupt occurs before resuming I2C bus controller.
+	 * Interrupt handler tries to read registers but this read
+	 * will fail because I2C is still suspended.
+	 */
+	disable_irq(max77686->irq);
+
+	return 0;
+}
+
+static int max77686_resume(struct device *dev)
+{
+	struct i2c_client *i2c = container_of(dev, struct i2c_client, dev);
+	struct max77686_dev *max77686 = i2c_get_clientdata(i2c);
+
+	if (device_may_wakeup(dev))
+		disable_irq_wake(max77686->irq);
+
+	enable_irq(max77686->irq);
+
+	return 0;
+}
+#endif /* CONFIG_PM_SLEEP */
+
+static SIMPLE_DEV_PM_OPS(max77686_pm, max77686_suspend, max77686_resume);
+
 static struct i2c_driver max77686_i2c_driver = {
 	.driver = {
 		   .name = "max77686",
 		   .owner = THIS_MODULE,
+		   .pm = &max77686_pm,
 		   .of_match_table = of_match_ptr(max77686_pmic_dt_match),
 	},
 	.probe = max77686_i2c_probe,
@@ -179,6 +436,6 @@ static void __exit max77686_i2c_exit(void)
 }
 module_exit(max77686_i2c_exit);
 
-MODULE_DESCRIPTION("MAXIM 77686 multi-function core driver");
+MODULE_DESCRIPTION("MAXIM 77686/802 multi-function core driver");
 MODULE_AUTHOR("Chiwoong Byun <woong.byun@samsung.com>");
 MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c
index f3faf0c45ddd..97a787ab3d51 100644
--- a/drivers/mfd/max8925-core.c
+++ b/drivers/mfd/max8925-core.c
@@ -624,6 +624,7 @@ static void max8925_irq_sync_unlock(struct irq_data *data)
 static void max8925_irq_enable(struct irq_data *data)
 {
 	struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
+
 	max8925_irqs[data->irq - chip->irq_base].enable
 		= max8925_irqs[data->irq - chip->irq_base].offs;
 }
@@ -631,6 +632,7 @@ static void max8925_irq_enable(struct irq_data *data)
 static void max8925_irq_disable(struct irq_data *data)
 {
 	struct max8925_chip *chip = irq_data_get_irq_chip_data(data);
+
 	max8925_irqs[data->irq - chip->irq_base].enable = 0;
 }
 
diff --git a/drivers/mfd/max8925-i2c.c b/drivers/mfd/max8925-i2c.c
index a83eed5c15ca..ecbe78ead3b6 100644
--- a/drivers/mfd/max8925-i2c.c
+++ b/drivers/mfd/max8925-i2c.c
@@ -257,9 +257,11 @@ static struct i2c_driver max8925_driver = {
 static int __init max8925_i2c_init(void)
 {
 	int ret;
+
 	ret = i2c_add_driver(&max8925_driver);
 	if (ret != 0)
 		pr_err("Failed to register MAX8925 I2C driver: %d\n", ret);
+
 	return ret;
 }
 subsys_initcall(max8925_i2c_init);
diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c
index acf5dd712eb2..2b6bc868cd3d 100644
--- a/drivers/mfd/mc13xxx-core.c
+++ b/drivers/mfd/mc13xxx-core.c
@@ -10,106 +10,18 @@
  * Free Software Foundation.
  */
 
-#include <linux/slab.h>
 #include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/mutex.h>
-#include <linux/interrupt.h>
-#include <linux/mfd/core.h>
-#include <linux/mfd/mc13xxx.h>
 #include <linux/of.h>
 #include <linux/of_device.h>
-#include <linux/of_gpio.h>
+#include <linux/platform_device.h>
+#include <linux/mfd/core.h>
 
 #include "mc13xxx.h"
 
 #define MC13XXX_IRQSTAT0	0
-#define MC13XXX_IRQSTAT0_ADCDONEI	(1 << 0)
-#define MC13XXX_IRQSTAT0_ADCBISDONEI	(1 << 1)
-#define MC13XXX_IRQSTAT0_TSI		(1 << 2)
-#define MC13783_IRQSTAT0_WHIGHI		(1 << 3)
-#define MC13783_IRQSTAT0_WLOWI		(1 << 4)
-#define MC13XXX_IRQSTAT0_CHGDETI	(1 << 6)
-#define MC13783_IRQSTAT0_CHGOVI		(1 << 7)
-#define MC13XXX_IRQSTAT0_CHGREVI	(1 << 8)
-#define MC13XXX_IRQSTAT0_CHGSHORTI	(1 << 9)
-#define MC13XXX_IRQSTAT0_CCCVI		(1 << 10)
-#define MC13XXX_IRQSTAT0_CHGCURRI	(1 << 11)
-#define MC13XXX_IRQSTAT0_BPONI		(1 << 12)
-#define MC13XXX_IRQSTAT0_LOBATLI	(1 << 13)
-#define MC13XXX_IRQSTAT0_LOBATHI	(1 << 14)
-#define MC13783_IRQSTAT0_UDPI		(1 << 15)
-#define MC13783_IRQSTAT0_USBI		(1 << 16)
-#define MC13783_IRQSTAT0_IDI		(1 << 19)
-#define MC13783_IRQSTAT0_SE1I		(1 << 21)
-#define MC13783_IRQSTAT0_CKDETI		(1 << 22)
-#define MC13783_IRQSTAT0_UDMI		(1 << 23)
-
 #define MC13XXX_IRQMASK0	1
-#define MC13XXX_IRQMASK0_ADCDONEM	MC13XXX_IRQSTAT0_ADCDONEI
-#define MC13XXX_IRQMASK0_ADCBISDONEM	MC13XXX_IRQSTAT0_ADCBISDONEI
-#define MC13XXX_IRQMASK0_TSM		MC13XXX_IRQSTAT0_TSI
-#define MC13783_IRQMASK0_WHIGHM		MC13783_IRQSTAT0_WHIGHI
-#define MC13783_IRQMASK0_WLOWM		MC13783_IRQSTAT0_WLOWI
-#define MC13XXX_IRQMASK0_CHGDETM	MC13XXX_IRQSTAT0_CHGDETI
-#define MC13783_IRQMASK0_CHGOVM		MC13783_IRQSTAT0_CHGOVI
-#define MC13XXX_IRQMASK0_CHGREVM	MC13XXX_IRQSTAT0_CHGREVI
-#define MC13XXX_IRQMASK0_CHGSHORTM	MC13XXX_IRQSTAT0_CHGSHORTI
-#define MC13XXX_IRQMASK0_CCCVM		MC13XXX_IRQSTAT0_CCCVI
-#define MC13XXX_IRQMASK0_CHGCURRM	MC13XXX_IRQSTAT0_CHGCURRI
-#define MC13XXX_IRQMASK0_BPONM		MC13XXX_IRQSTAT0_BPONI
-#define MC13XXX_IRQMASK0_LOBATLM	MC13XXX_IRQSTAT0_LOBATLI
-#define MC13XXX_IRQMASK0_LOBATHM	MC13XXX_IRQSTAT0_LOBATHI
-#define MC13783_IRQMASK0_UDPM		MC13783_IRQSTAT0_UDPI
-#define MC13783_IRQMASK0_USBM		MC13783_IRQSTAT0_USBI
-#define MC13783_IRQMASK0_IDM		MC13783_IRQSTAT0_IDI
-#define MC13783_IRQMASK0_SE1M		MC13783_IRQSTAT0_SE1I
-#define MC13783_IRQMASK0_CKDETM		MC13783_IRQSTAT0_CKDETI
-#define MC13783_IRQMASK0_UDMM		MC13783_IRQSTAT0_UDMI
-
 #define MC13XXX_IRQSTAT1	3
-#define MC13XXX_IRQSTAT1_1HZI		(1 << 0)
-#define MC13XXX_IRQSTAT1_TODAI		(1 << 1)
-#define MC13783_IRQSTAT1_ONOFD1I	(1 << 3)
-#define MC13783_IRQSTAT1_ONOFD2I	(1 << 4)
-#define MC13783_IRQSTAT1_ONOFD3I	(1 << 5)
-#define MC13XXX_IRQSTAT1_SYSRSTI	(1 << 6)
-#define MC13XXX_IRQSTAT1_RTCRSTI	(1 << 7)
-#define MC13XXX_IRQSTAT1_PCI		(1 << 8)
-#define MC13XXX_IRQSTAT1_WARMI		(1 << 9)
-#define MC13XXX_IRQSTAT1_MEMHLDI	(1 << 10)
-#define MC13783_IRQSTAT1_PWRRDYI	(1 << 11)
-#define MC13XXX_IRQSTAT1_THWARNLI	(1 << 12)
-#define MC13XXX_IRQSTAT1_THWARNHI	(1 << 13)
-#define MC13XXX_IRQSTAT1_CLKI		(1 << 14)
-#define MC13783_IRQSTAT1_SEMAFI		(1 << 15)
-#define MC13783_IRQSTAT1_MC2BI		(1 << 17)
-#define MC13783_IRQSTAT1_HSDETI		(1 << 18)
-#define MC13783_IRQSTAT1_HSLI		(1 << 19)
-#define MC13783_IRQSTAT1_ALSPTHI	(1 << 20)
-#define MC13783_IRQSTAT1_AHSSHORTI	(1 << 21)
-
 #define MC13XXX_IRQMASK1	4
-#define MC13XXX_IRQMASK1_1HZM		MC13XXX_IRQSTAT1_1HZI
-#define MC13XXX_IRQMASK1_TODAM		MC13XXX_IRQSTAT1_TODAI
-#define MC13783_IRQMASK1_ONOFD1M	MC13783_IRQSTAT1_ONOFD1I
-#define MC13783_IRQMASK1_ONOFD2M	MC13783_IRQSTAT1_ONOFD2I
-#define MC13783_IRQMASK1_ONOFD3M	MC13783_IRQSTAT1_ONOFD3I
-#define MC13XXX_IRQMASK1_SYSRSTM	MC13XXX_IRQSTAT1_SYSRSTI
-#define MC13XXX_IRQMASK1_RTCRSTM	MC13XXX_IRQSTAT1_RTCRSTI
-#define MC13XXX_IRQMASK1_PCM		MC13XXX_IRQSTAT1_PCI
-#define MC13XXX_IRQMASK1_WARMM		MC13XXX_IRQSTAT1_WARMI
-#define MC13XXX_IRQMASK1_MEMHLDM	MC13XXX_IRQSTAT1_MEMHLDI
-#define MC13783_IRQMASK1_PWRRDYM	MC13783_IRQSTAT1_PWRRDYI
-#define MC13XXX_IRQMASK1_THWARNLM	MC13XXX_IRQSTAT1_THWARNLI
-#define MC13XXX_IRQMASK1_THWARNHM	MC13XXX_IRQSTAT1_THWARNHI
-#define MC13XXX_IRQMASK1_CLKM		MC13XXX_IRQSTAT1_CLKI
-#define MC13783_IRQMASK1_SEMAFM		MC13783_IRQSTAT1_SEMAFI
-#define MC13783_IRQMASK1_MC2BM		MC13783_IRQSTAT1_MC2BI
-#define MC13783_IRQMASK1_HSDETM		MC13783_IRQSTAT1_HSDETI
-#define MC13783_IRQMASK1_HSLM		MC13783_IRQSTAT1_HSLI
-#define MC13783_IRQMASK1_ALSPTHM	MC13783_IRQSTAT1_ALSPTHI
-#define MC13783_IRQMASK1_AHSSHORTM	MC13783_IRQSTAT1_AHSSHORTI
 
 #define MC13XXX_REVISION	7
 #define MC13XXX_REVISION_REVMETAL	(0x07 <<  0)
@@ -189,45 +101,21 @@ EXPORT_SYMBOL(mc13xxx_reg_rmw);
 
 int mc13xxx_irq_mask(struct mc13xxx *mc13xxx, int irq)
 {
-	int ret;
-	unsigned int offmask = irq < 24 ? MC13XXX_IRQMASK0 : MC13XXX_IRQMASK1;
-	u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
-	u32 mask;
-
-	if (irq < 0 || irq >= MC13XXX_NUM_IRQ)
-		return -EINVAL;
-
-	ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
-	if (ret)
-		return ret;
+	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
 
-	if (mask & irqbit)
-		/* already masked */
-		return 0;
+	disable_irq_nosync(virq);
 
-	return mc13xxx_reg_write(mc13xxx, offmask, mask | irqbit);
+	return 0;
 }
 EXPORT_SYMBOL(mc13xxx_irq_mask);
 
 int mc13xxx_irq_unmask(struct mc13xxx *mc13xxx, int irq)
 {
-	int ret;
-	unsigned int offmask = irq < 24 ? MC13XXX_IRQMASK0 : MC13XXX_IRQMASK1;
-	u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
-	u32 mask;
-
-	if (irq < 0 || irq >= MC13XXX_NUM_IRQ)
-		return -EINVAL;
+	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
 
-	ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
-	if (ret)
-		return ret;
+	enable_irq(virq);
 
-	if (!(mask & irqbit))
-		/* already unmasked */
-		return 0;
-
-	return mc13xxx_reg_write(mc13xxx, offmask, mask & ~irqbit);
+	return 0;
 }
 EXPORT_SYMBOL(mc13xxx_irq_unmask);
 
@@ -239,7 +127,7 @@ int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
 	unsigned int offstat = irq < 24 ? MC13XXX_IRQSTAT0 : MC13XXX_IRQSTAT1;
 	u32 irqbit = 1 << (irq < 24 ? irq : irq - 24);
 
-	if (irq < 0 || irq >= MC13XXX_NUM_IRQ)
+	if (irq < 0 || irq >= ARRAY_SIZE(mc13xxx->irqs))
 		return -EINVAL;
 
 	if (enabled) {
@@ -266,147 +154,26 @@ int mc13xxx_irq_status(struct mc13xxx *mc13xxx, int irq,
 }
 EXPORT_SYMBOL(mc13xxx_irq_status);
 
-int mc13xxx_irq_ack(struct mc13xxx *mc13xxx, int irq)
-{
-	unsigned int offstat = irq < 24 ? MC13XXX_IRQSTAT0 : MC13XXX_IRQSTAT1;
-	unsigned int val = 1 << (irq < 24 ? irq : irq - 24);
-
-	BUG_ON(irq < 0 || irq >= MC13XXX_NUM_IRQ);
-
-	return mc13xxx_reg_write(mc13xxx, offstat, val);
-}
-EXPORT_SYMBOL(mc13xxx_irq_ack);
-
-int mc13xxx_irq_request_nounmask(struct mc13xxx *mc13xxx, int irq,
-		irq_handler_t handler, const char *name, void *dev)
-{
-	BUG_ON(!mutex_is_locked(&mc13xxx->lock));
-	BUG_ON(!handler);
-
-	if (irq < 0 || irq >= MC13XXX_NUM_IRQ)
-		return -EINVAL;
-
-	if (mc13xxx->irqhandler[irq])
-		return -EBUSY;
-
-	mc13xxx->irqhandler[irq] = handler;
-	mc13xxx->irqdata[irq] = dev;
-
-	return 0;
-}
-EXPORT_SYMBOL(mc13xxx_irq_request_nounmask);
-
 int mc13xxx_irq_request(struct mc13xxx *mc13xxx, int irq,
 		irq_handler_t handler, const char *name, void *dev)
 {
-	int ret;
+	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
 
-	ret = mc13xxx_irq_request_nounmask(mc13xxx, irq, handler, name, dev);
-	if (ret)
-		return ret;
-
-	ret = mc13xxx_irq_unmask(mc13xxx, irq);
-	if (ret) {
-		mc13xxx->irqhandler[irq] = NULL;
-		mc13xxx->irqdata[irq] = NULL;
-		return ret;
-	}
-
-	return 0;
+	return devm_request_threaded_irq(mc13xxx->dev, virq, NULL, handler,
+					 0, name, dev);
 }
 EXPORT_SYMBOL(mc13xxx_irq_request);
 
 int mc13xxx_irq_free(struct mc13xxx *mc13xxx, int irq, void *dev)
 {
-	int ret;
-	BUG_ON(!mutex_is_locked(&mc13xxx->lock));
+	int virq = regmap_irq_get_virq(mc13xxx->irq_data, irq);
 
-	if (irq < 0 || irq >= MC13XXX_NUM_IRQ || !mc13xxx->irqhandler[irq] ||
-			mc13xxx->irqdata[irq] != dev)
-		return -EINVAL;
-
-	ret = mc13xxx_irq_mask(mc13xxx, irq);
-	if (ret)
-		return ret;
-
-	mc13xxx->irqhandler[irq] = NULL;
-	mc13xxx->irqdata[irq] = NULL;
+	devm_free_irq(mc13xxx->dev, virq, dev);
 
 	return 0;
 }
 EXPORT_SYMBOL(mc13xxx_irq_free);
 
-static inline irqreturn_t mc13xxx_irqhandler(struct mc13xxx *mc13xxx, int irq)
-{
-	return mc13xxx->irqhandler[irq](irq, mc13xxx->irqdata[irq]);
-}
-
-/*
- * returns: number of handled irqs or negative error
- * locking: holds mc13xxx->lock
- */
-static int mc13xxx_irq_handle(struct mc13xxx *mc13xxx,
-		unsigned int offstat, unsigned int offmask, int baseirq)
-{
-	u32 stat, mask;
-	int ret = mc13xxx_reg_read(mc13xxx, offstat, &stat);
-	int num_handled = 0;
-
-	if (ret)
-		return ret;
-
-	ret = mc13xxx_reg_read(mc13xxx, offmask, &mask);
-	if (ret)
-		return ret;
-
-	while (stat & ~mask) {
-		int irq = __ffs(stat & ~mask);
-
-		stat &= ~(1 << irq);
-
-		if (likely(mc13xxx->irqhandler[baseirq + irq])) {
-			irqreturn_t handled;
-
-			handled = mc13xxx_irqhandler(mc13xxx, baseirq + irq);
-			if (handled == IRQ_HANDLED)
-				num_handled++;
-		} else {
-			dev_err(mc13xxx->dev,
-					"BUG: irq %u but no handler\n",
-					baseirq + irq);
-
-			mask |= 1 << irq;
-
-			ret = mc13xxx_reg_write(mc13xxx, offmask, mask);
-		}
-	}
-
-	return num_handled;
-}
-
-static irqreturn_t mc13xxx_irq_thread(int irq, void *data)
-{
-	struct mc13xxx *mc13xxx = data;
-	irqreturn_t ret;
-	int handled = 0;
-
-	mc13xxx_lock(mc13xxx);
-
-	ret = mc13xxx_irq_handle(mc13xxx, MC13XXX_IRQSTAT0,
-			MC13XXX_IRQMASK0, 0);
-	if (ret > 0)
-		handled = 1;
-
-	ret = mc13xxx_irq_handle(mc13xxx, MC13XXX_IRQSTAT1,
-			MC13XXX_IRQMASK1, 24);
-	if (ret > 0)
-		handled = 1;
-
-	mc13xxx_unlock(mc13xxx);
-
-	return IRQ_RETVAL(handled);
-}
-
 #define maskval(reg, mask)	(((reg) & (mask)) >> __ffs(mask))
 static void mc13xxx_print_revision(struct mc13xxx *mc13xxx, u32 revision)
 {
@@ -475,8 +242,6 @@ static irqreturn_t mc13xxx_handler_adcdone(int irq, void *data)
 {
 	struct mc13xxx_adcdone_data *adcdone_data = data;
 
-	mc13xxx_irq_ack(adcdone_data->mc13xxx, irq);
-
 	complete_all(&adcdone_data->done);
 
 	return IRQ_HANDLED;
@@ -544,7 +309,6 @@ int mc13xxx_adc_do_conversion(struct mc13xxx *mc13xxx, unsigned int mode,
 	dev_dbg(mc13xxx->dev, "%s: request irq\n", __func__);
 	mc13xxx_irq_request(mc13xxx, MC13XXX_IRQ_ADCDONE,
 			mc13xxx_handler_adcdone, __func__, &adcdone_data);
-	mc13xxx_irq_ack(mc13xxx, MC13XXX_IRQ_ADCDONE);
 
 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC0, adc0);
 	mc13xxx_reg_write(mc13xxx, MC13XXX_ADC1, adc1);
@@ -599,7 +363,8 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx,
 	if (!cell.name)
 		return -ENOMEM;
 
-	return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0, NULL);
+	return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0,
+			       regmap_irq_get_domain(mc13xxx->irq_data));
 }
 
 static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format)
@@ -640,8 +405,8 @@ int mc13xxx_common_init(struct device *dev)
 {
 	struct mc13xxx_platform_data *pdata = dev_get_platdata(dev);
 	struct mc13xxx *mc13xxx = dev_get_drvdata(dev);
-	int ret;
 	u32 revision;
+	int i, ret;
 
 	mc13xxx->dev = dev;
 
@@ -651,31 +416,32 @@ int mc13xxx_common_init(struct device *dev)
 
 	mc13xxx->variant->print_revision(mc13xxx, revision);
 
-	/* mask all irqs */
-	ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK0, 0x00ffffff);
-	if (ret)
-		return ret;
+	for (i = 0; i < ARRAY_SIZE(mc13xxx->irqs); i++) {
+		mc13xxx->irqs[i].reg_offset = i / MC13XXX_IRQ_PER_REG;
+		mc13xxx->irqs[i].mask = BIT(i % MC13XXX_IRQ_PER_REG);
+	}
 
-	ret = mc13xxx_reg_write(mc13xxx, MC13XXX_IRQMASK1, 0x00ffffff);
+	mc13xxx->irq_chip.name = dev_name(dev);
+	mc13xxx->irq_chip.status_base = MC13XXX_IRQSTAT0;
+	mc13xxx->irq_chip.mask_base = MC13XXX_IRQMASK0;
+	mc13xxx->irq_chip.ack_base = MC13XXX_IRQSTAT0;
+	mc13xxx->irq_chip.irq_reg_stride = MC13XXX_IRQSTAT1 - MC13XXX_IRQSTAT0;
+	mc13xxx->irq_chip.init_ack_masked = true;
+	mc13xxx->irq_chip.use_ack = true;
+	mc13xxx->irq_chip.num_regs = MC13XXX_IRQ_REG_CNT;
+	mc13xxx->irq_chip.irqs = mc13xxx->irqs;
+	mc13xxx->irq_chip.num_irqs = ARRAY_SIZE(mc13xxx->irqs);
+
+	ret = regmap_add_irq_chip(mc13xxx->regmap, mc13xxx->irq, IRQF_ONESHOT,
+				  0, &mc13xxx->irq_chip, &mc13xxx->irq_data);
 	if (ret)
 		return ret;
 
 	mutex_init(&mc13xxx->lock);
 
-	ret = request_threaded_irq(mc13xxx->irq, NULL, mc13xxx_irq_thread,
-			IRQF_ONESHOT | IRQF_TRIGGER_HIGH, "mc13xxx", mc13xxx);
-	if (ret)
-		return ret;
-
 	if (mc13xxx_probe_flags_dt(mc13xxx) < 0 && pdata)
 		mc13xxx->flags = pdata->flags;
 
-	if (mc13xxx->flags & MC13XXX_USE_ADC)
-		mc13xxx_add_subdevice(mc13xxx, "%s-adc");
-
-	if (mc13xxx->flags & MC13XXX_USE_RTC)
-		mc13xxx_add_subdevice(mc13xxx, "%s-rtc");
-
 	if (pdata) {
 		mc13xxx_add_subdevice_pdata(mc13xxx, "%s-regulator",
 			&pdata->regulators, sizeof(pdata->regulators));
@@ -699,6 +465,12 @@ int mc13xxx_common_init(struct device *dev)
 			mc13xxx_add_subdevice(mc13xxx, "%s-ts");
 	}
 
+	if (mc13xxx->flags & MC13XXX_USE_ADC)
+		mc13xxx_add_subdevice(mc13xxx, "%s-adc");
+
+	if (mc13xxx->flags & MC13XXX_USE_RTC)
+		mc13xxx_add_subdevice(mc13xxx, "%s-rtc");
+
 	return 0;
 }
 EXPORT_SYMBOL_GPL(mc13xxx_common_init);
@@ -707,8 +479,8 @@ int mc13xxx_common_exit(struct device *dev)
 {
 	struct mc13xxx *mc13xxx = dev_get_drvdata(dev);
 
-	free_irq(mc13xxx->irq, mc13xxx);
 	mfd_remove_devices(dev);
+	regmap_del_irq_chip(mc13xxx->irq, mc13xxx->irq_data);
 	mutex_destroy(&mc13xxx->lock);
 
 	return 0;
diff --git a/drivers/mfd/mc13xxx.h b/drivers/mfd/mc13xxx.h
index ae7f1659f5d1..33677d1dcf66 100644
--- a/drivers/mfd/mc13xxx.h
+++ b/drivers/mfd/mc13xxx.h
@@ -13,7 +13,9 @@
 #include <linux/regmap.h>
 #include <linux/mfd/mc13xxx.h>
 
-#define MC13XXX_NUMREGS 0x3f
+#define MC13XXX_NUMREGS		0x3f
+#define MC13XXX_IRQ_REG_CNT	2
+#define MC13XXX_IRQ_PER_REG	24
 
 struct mc13xxx;
 
@@ -33,13 +35,14 @@ struct mc13xxx {
 	struct device *dev;
 	const struct mc13xxx_variant *variant;
 
+	struct regmap_irq irqs[MC13XXX_IRQ_PER_REG * MC13XXX_IRQ_REG_CNT];
+	struct regmap_irq_chip irq_chip;
+	struct regmap_irq_chip_data *irq_data;
+
 	struct mutex lock;
 	int irq;
 	int flags;
 
-	irq_handler_t irqhandler[MC13XXX_NUM_IRQ];
-	void *irqdata[MC13XXX_NUM_IRQ];
-
 	int adcflags;
 };
 
diff --git a/drivers/mfd/mcp-core.c b/drivers/mfd/mcp-core.c
index 62e5e3617eb0..7f5066e39752 100644
--- a/drivers/mfd/mcp-core.c
+++ b/drivers/mfd/mcp-core.c
@@ -137,6 +137,7 @@ EXPORT_SYMBOL(mcp_reg_read);
 void mcp_enable(struct mcp *mcp)
 {
 	unsigned long flags;
+
 	spin_lock_irqsave(&mcp->lock, flags);
 	if (mcp->use_count++ == 0)
 		mcp->ops->enable(mcp);
diff --git a/drivers/mfd/omap-usb-host.c b/drivers/mfd/omap-usb-host.c
index b48d80c367f9..33a9234b701c 100644
--- a/drivers/mfd/omap-usb-host.c
+++ b/drivers/mfd/omap-usb-host.c
@@ -445,7 +445,7 @@ static unsigned omap_usbhs_rev1_hostconfig(struct usbhs_hcd_omap *omap,
 
 		for (i = 0; i < omap->nports; i++) {
 			if (is_ehci_phy_mode(pdata->port_mode[i])) {
-				reg &= OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
+				reg &= ~OMAP_UHH_HOSTCONFIG_ULPI_BYPASS;
 				break;
 			}
 		}
diff --git a/drivers/mfd/pcf50633-core.c b/drivers/mfd/pcf50633-core.c
index 41ab5e34d2ac..c87f7a0a53f8 100644
--- a/drivers/mfd/pcf50633-core.c
+++ b/drivers/mfd/pcf50633-core.c
@@ -244,20 +244,20 @@ static int pcf50633_probe(struct i2c_client *client,
 
 	for (i = 0; i < PCF50633_NUM_REGULATORS; i++) {
 		struct platform_device *pdev;
+		int j;
 
 		pdev = platform_device_alloc("pcf50633-regulator", i);
-		if (!pdev) {
-			dev_err(pcf->dev, "Cannot create regulator %d\n", i);
-			continue;
-		}
+		if (!pdev)
+			return -ENOMEM;
 
 		pdev->dev.parent = pcf->dev;
-		if (platform_device_add_data(pdev, &pdata->reg_init_data[i],
-					sizeof(pdata->reg_init_data[i])) < 0) {
+		ret = platform_device_add_data(pdev, &pdata->reg_init_data[i],
+					       sizeof(pdata->reg_init_data[i]));
+		if (ret) {
 			platform_device_put(pdev);
-			dev_err(pcf->dev, "Out of memory for regulator parameters %d\n",
-									i);
-			continue;
+			for (j = 0; j < i; j++)
+				platform_device_put(pcf->regulator_pdev[j]);
+			return ret;
 		}
 		pcf->regulator_pdev[i] = pdev;
 
diff --git a/drivers/mfd/pm8921-core.c b/drivers/mfd/pm8921-core.c
index 959513803542..39904f77c049 100644
--- a/drivers/mfd/pm8921-core.c
+++ b/drivers/mfd/pm8921-core.c
@@ -186,11 +186,9 @@ static void pm8xxx_irq_mask_ack(struct irq_data *d)
 {
 	struct pm_irq_chip *chip = irq_data_get_irq_chip_data(d);
 	unsigned int pmirq = irqd_to_hwirq(d);
-	int	irq_bit;
 	u8	block, config;
 
 	block = pmirq / 8;
-	irq_bit = pmirq % 8;
 
 	config = chip->config[pmirq] | PM_IRQF_MASK_ALL | PM_IRQF_CLR;
 	pm8xxx_config_irq(chip, block, config);
@@ -200,11 +198,9 @@ static void pm8xxx_irq_unmask(struct irq_data *d)
 {
 	struct pm_irq_chip *chip = irq_data_get_irq_chip_data(d);
 	unsigned int pmirq = irqd_to_hwirq(d);
-	int	irq_bit;
 	u8	block, config;
 
 	block = pmirq / 8;
-	irq_bit = pmirq % 8;
 
 	config = chip->config[pmirq];
 	pm8xxx_config_irq(chip, block, config);
diff --git a/drivers/mfd/rtsx_pcr.c b/drivers/mfd/rtsx_pcr.c
index 1d15735f9ef9..d01b8c249231 100644
--- a/drivers/mfd/rtsx_pcr.c
+++ b/drivers/mfd/rtsx_pcr.c
@@ -337,40 +337,64 @@ static void rtsx_pci_add_sg_tbl(struct rtsx_pcr *pcr,
 int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
 		int num_sg, bool read, int timeout)
 {
-	struct completion trans_done;
-	u8 dir;
-	int err = 0, i, count;
-	long timeleft;
-	unsigned long flags;
-	struct scatterlist *sg;
-	enum dma_data_direction dma_dir;
-	u32 val;
-	dma_addr_t addr;
-	unsigned int len;
+	int err = 0, count;
 
 	dev_dbg(&(pcr->pci->dev), "--> %s: num_sg = %d\n", __func__, num_sg);
+	count = rtsx_pci_dma_map_sg(pcr, sglist, num_sg, read);
+	if (count < 1)
+		return -EINVAL;
+	dev_dbg(&(pcr->pci->dev), "DMA mapping count: %d\n", count);
+
+	err = rtsx_pci_dma_transfer(pcr, sglist, count, read, timeout);
+
+	rtsx_pci_dma_unmap_sg(pcr, sglist, num_sg, read);
+
+	return err;
+}
+EXPORT_SYMBOL_GPL(rtsx_pci_transfer_data);
+
+int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
+		int num_sg, bool read)
+{
+	enum dma_data_direction dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
 
-	/* don't transfer data during abort processing */
 	if (pcr->remove_pci)
 		return -EINVAL;
 
 	if ((sglist == NULL) || (num_sg <= 0))
 		return -EINVAL;
 
-	if (read) {
-		dir = DEVICE_TO_HOST;
-		dma_dir = DMA_FROM_DEVICE;
-	} else {
-		dir = HOST_TO_DEVICE;
-		dma_dir = DMA_TO_DEVICE;
-	}
+	return dma_map_sg(&(pcr->pci->dev), sglist, num_sg, dir);
+}
+EXPORT_SYMBOL_GPL(rtsx_pci_dma_map_sg);
 
-	count = dma_map_sg(&(pcr->pci->dev), sglist, num_sg, dma_dir);
-	if (count < 1) {
-		dev_err(&(pcr->pci->dev), "scatterlist map failed\n");
+void rtsx_pci_dma_unmap_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
+		int num_sg, bool read)
+{
+	enum dma_data_direction dir = read ? DMA_FROM_DEVICE : DMA_TO_DEVICE;
+
+	dma_unmap_sg(&(pcr->pci->dev), sglist, num_sg, dir);
+}
+EXPORT_SYMBOL_GPL(rtsx_pci_dma_unmap_sg);
+
+int rtsx_pci_dma_transfer(struct rtsx_pcr *pcr, struct scatterlist *sglist,
+		int count, bool read, int timeout)
+{
+	struct completion trans_done;
+	struct scatterlist *sg;
+	dma_addr_t addr;
+	long timeleft;
+	unsigned long flags;
+	unsigned int len;
+	int i, err = 0;
+	u32 val;
+	u8 dir = read ? DEVICE_TO_HOST : HOST_TO_DEVICE;
+
+	if (pcr->remove_pci)
+		return -ENODEV;
+
+	if ((sglist == NULL) || (count < 1))
 		return -EINVAL;
-	}
-	dev_dbg(&(pcr->pci->dev), "DMA mapping count: %d\n", count);
 
 	val = ((u32)(dir & 0x01) << 29) | TRIG_DMA | ADMA_MODE;
 	pcr->sgi = 0;
@@ -400,12 +424,10 @@ int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
 	}
 
 	spin_lock_irqsave(&pcr->lock, flags);
-
 	if (pcr->trans_result == TRANS_RESULT_FAIL)
 		err = -EINVAL;
 	else if (pcr->trans_result == TRANS_NO_DEVICE)
 		err = -ENODEV;
-
 	spin_unlock_irqrestore(&pcr->lock, flags);
 
 out:
@@ -413,8 +435,6 @@ out:
 	pcr->done = NULL;
 	spin_unlock_irqrestore(&pcr->lock, flags);
 
-	dma_unmap_sg(&(pcr->pci->dev), sglist, num_sg, dma_dir);
-
 	if ((err < 0) && (err != -ENODEV))
 		rtsx_pci_stop_cmd(pcr);
 
@@ -423,7 +443,7 @@ out:
 
 	return err;
 }
-EXPORT_SYMBOL_GPL(rtsx_pci_transfer_data);
+EXPORT_SYMBOL_GPL(rtsx_pci_dma_transfer);
 
 int rtsx_pci_read_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len)
 {
diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c
index be06d0abbf19..dba7e2b6f8e9 100644
--- a/drivers/mfd/sec-core.c
+++ b/drivers/mfd/sec-core.c
@@ -28,8 +28,10 @@
 #include <linux/mfd/samsung/s2mpa01.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
 #include <linux/mfd/samsung/s5m8763.h>
 #include <linux/mfd/samsung/s5m8767.h>
+#include <linux/regulator/machine.h>
 #include <linux/regmap.h>
 
 static const struct mfd_cell s5m8751_devs[] = {
@@ -89,6 +91,15 @@ static const struct mfd_cell s2mpa01_devs[] = {
 	},
 };
 
+static const struct mfd_cell s2mpu02_devs[] = {
+	{ .name = "s2mpu02-pmic", },
+	{ .name = "s2mpu02-rtc", },
+	{
+		.name = "s2mpu02-clk",
+		.of_compatible = "samsung,s2mpu02-clk",
+	}
+};
+
 #ifdef CONFIG_OF
 static const struct of_device_id sec_dt_match[] = {
 	{	.compatible = "samsung,s5m8767-pmic",
@@ -103,6 +114,9 @@ static const struct of_device_id sec_dt_match[] = {
 		.compatible = "samsung,s2mpa01-pmic",
 		.data = (void *)S2MPA01,
 	}, {
+		.compatible = "samsung,s2mpu02-pmic",
+		.data = (void *)S2MPU02,
+	}, {
 		/* Sentinel */
 	},
 };
@@ -132,6 +146,18 @@ static bool s2mps11_volatile(struct device *dev, unsigned int reg)
 	}
 }
 
+static bool s2mpu02_volatile(struct device *dev, unsigned int reg)
+{
+	switch (reg) {
+	case S2MPU02_REG_INT1M:
+	case S2MPU02_REG_INT2M:
+	case S2MPU02_REG_INT3M:
+		return false;
+	default:
+		return true;
+	}
+}
+
 static bool s5m8763_volatile(struct device *dev, unsigned int reg)
 {
 	switch (reg) {
@@ -177,6 +203,15 @@ static const struct regmap_config s2mps14_regmap_config = {
 	.cache_type = REGCACHE_FLAT,
 };
 
+static const struct regmap_config s2mpu02_regmap_config = {
+	.reg_bits = 8,
+	.val_bits = 8,
+
+	.max_register = S2MPU02_REG_DVSDATA,
+	.volatile_reg = s2mpu02_volatile,
+	.cache_type = REGCACHE_FLAT,
+};
+
 static const struct regmap_config s5m8763_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
@@ -238,6 +273,7 @@ static inline unsigned long sec_i2c_get_driver_data(struct i2c_client *i2c,
 #ifdef CONFIG_OF
 	if (i2c->dev.of_node) {
 		const struct of_device_id *match;
+
 		match = of_match_node(sec_dt_match, i2c->dev.of_node);
 		return (unsigned long)match->data;
 	}
@@ -250,9 +286,10 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 {
 	struct sec_platform_data *pdata = dev_get_platdata(&i2c->dev);
 	const struct regmap_config *regmap;
+	const struct mfd_cell *sec_devs;
 	struct sec_pmic_dev *sec_pmic;
 	unsigned long device_type;
-	int ret;
+	int ret, num_sec_devs;
 
 	sec_pmic = devm_kzalloc(&i2c->dev, sizeof(struct sec_pmic_dev),
 				GFP_KERNEL);
@@ -297,6 +334,9 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 	case S5M8767X:
 		regmap = &s5m8767_regmap_config;
 		break;
+	case S2MPU02:
+		regmap = &s2mpu02_regmap_config;
+		break;
 	default:
 		regmap = &sec_regmap_config;
 		break;
@@ -319,34 +359,39 @@ static int sec_pmic_probe(struct i2c_client *i2c,
 
 	switch (sec_pmic->device_type) {
 	case S5M8751X:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs,
-				      ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL);
+		sec_devs = s5m8751_devs;
+		num_sec_devs = ARRAY_SIZE(s5m8751_devs);
 		break;
 	case S5M8763X:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs,
-				      ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL);
+		sec_devs = s5m8763_devs;
+		num_sec_devs = ARRAY_SIZE(s5m8763_devs);
 		break;
 	case S5M8767X:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs,
-				      ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL);
+		sec_devs = s5m8767_devs;
+		num_sec_devs = ARRAY_SIZE(s5m8767_devs);
 		break;
 	case S2MPA01:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s2mpa01_devs,
-				      ARRAY_SIZE(s2mpa01_devs), NULL, 0, NULL);
+		sec_devs = s2mpa01_devs;
+		num_sec_devs = ARRAY_SIZE(s2mpa01_devs);
 		break;
 	case S2MPS11X:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs,
-				      ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL);
+		sec_devs = s2mps11_devs;
+		num_sec_devs = ARRAY_SIZE(s2mps11_devs);
 		break;
 	case S2MPS14X:
-		ret = mfd_add_devices(sec_pmic->dev, -1, s2mps14_devs,
-				      ARRAY_SIZE(s2mps14_devs), NULL, 0, NULL);
+		sec_devs = s2mps14_devs;
+		num_sec_devs = ARRAY_SIZE(s2mps14_devs);
+		break;
+	case S2MPU02:
+		sec_devs = s2mpu02_devs;
+		num_sec_devs = ARRAY_SIZE(s2mpu02_devs);
 		break;
 	default:
 		/* If this happens the probe function is problem */
 		BUG();
 	}
-
+	ret = mfd_add_devices(sec_pmic->dev, -1, sec_devs, num_sec_devs, NULL,
+			      0, NULL);
 	if (ret)
 		goto err_mfd;
 
@@ -387,6 +432,15 @@ static int sec_pmic_suspend(struct device *dev)
 	 */
 	disable_irq(sec_pmic->irq);
 
+	switch (sec_pmic->device_type) {
+	case S2MPS14X:
+	case S2MPU02:
+		regulator_suspend_prepare(PM_SUSPEND_MEM);
+		break;
+	default:
+		break;
+	}
+
 	return 0;
 }
 
diff --git a/drivers/mfd/sec-irq.c b/drivers/mfd/sec-irq.c
index 654e2c1dbf7a..f9a57869e3ec 100644
--- a/drivers/mfd/sec-irq.c
+++ b/drivers/mfd/sec-irq.c
@@ -20,6 +20,7 @@
 #include <linux/mfd/samsung/irq.h>
 #include <linux/mfd/samsung/s2mps11.h>
 #include <linux/mfd/samsung/s2mps14.h>
+#include <linux/mfd/samsung/s2mpu02.h>
 #include <linux/mfd/samsung/s5m8763.h>
 #include <linux/mfd/samsung/s5m8767.h>
 
@@ -161,6 +162,77 @@ static const struct regmap_irq s2mps14_irqs[] = {
 	},
 };
 
+static const struct regmap_irq s2mpu02_irqs[] = {
+	[S2MPU02_IRQ_PWRONF] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_PWRONF_MASK,
+	},
+	[S2MPU02_IRQ_PWRONR] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_PWRONR_MASK,
+	},
+	[S2MPU02_IRQ_JIGONBF] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_JIGONBF_MASK,
+	},
+	[S2MPU02_IRQ_JIGONBR] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_JIGONBR_MASK,
+	},
+	[S2MPU02_IRQ_ACOKBF] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_ACOKBF_MASK,
+	},
+	[S2MPU02_IRQ_ACOKBR] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_ACOKBR_MASK,
+	},
+	[S2MPU02_IRQ_PWRON1S] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_PWRON1S_MASK,
+	},
+	[S2MPU02_IRQ_MRB] = {
+		.reg_offset = 0,
+		.mask = S2MPS11_IRQ_MRB_MASK,
+	},
+	[S2MPU02_IRQ_RTC60S] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_RTC60S_MASK,
+	},
+	[S2MPU02_IRQ_RTCA1] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_RTCA1_MASK,
+	},
+	[S2MPU02_IRQ_RTCA0] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_RTCA0_MASK,
+	},
+	[S2MPU02_IRQ_SMPL] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_SMPL_MASK,
+	},
+	[S2MPU02_IRQ_RTC1S] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_RTC1S_MASK,
+	},
+	[S2MPU02_IRQ_WTSR] = {
+		.reg_offset = 1,
+		.mask = S2MPS11_IRQ_WTSR_MASK,
+	},
+	[S2MPU02_IRQ_INT120C] = {
+		.reg_offset = 2,
+		.mask = S2MPS11_IRQ_INT120C_MASK,
+	},
+	[S2MPU02_IRQ_INT140C] = {
+		.reg_offset = 2,
+		.mask = S2MPS11_IRQ_INT140C_MASK,
+	},
+	[S2MPU02_IRQ_TSD] = {
+		.reg_offset = 2,
+		.mask = S2MPS14_IRQ_TSD_MASK,
+	},
+};
+
 static const struct regmap_irq s5m8767_irqs[] = {
 	[S5M8767_IRQ_PWRR] = {
 		.reg_offset = 0,
@@ -327,6 +399,16 @@ static const struct regmap_irq_chip s2mps14_irq_chip = {
 	.ack_base = S2MPS14_REG_INT1,
 };
 
+static const struct regmap_irq_chip s2mpu02_irq_chip = {
+	.name = "s2mpu02",
+	.irqs = s2mpu02_irqs,
+	.num_irqs = ARRAY_SIZE(s2mpu02_irqs),
+	.num_regs = 3,
+	.status_base = S2MPU02_REG_INT1,
+	.mask_base = S2MPU02_REG_INT1M,
+	.ack_base = S2MPU02_REG_INT1,
+};
+
 static const struct regmap_irq_chip s5m8767_irq_chip = {
 	.name = "s5m8767",
 	.irqs = s5m8767_irqs,
@@ -351,6 +433,7 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 {
 	int ret = 0;
 	int type = sec_pmic->device_type;
+	const struct regmap_irq_chip *sec_irq_chip;
 
 	if (!sec_pmic->irq) {
 		dev_warn(sec_pmic->dev,
@@ -361,28 +444,19 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 
 	switch (type) {
 	case S5M8763X:
-		ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				  sec_pmic->irq_base, &s5m8763_irq_chip,
-				  &sec_pmic->irq_data);
+		sec_irq_chip = &s5m8763_irq_chip;
 		break;
 	case S5M8767X:
-		ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				  sec_pmic->irq_base, &s5m8767_irq_chip,
-				  &sec_pmic->irq_data);
+		sec_irq_chip = &s5m8767_irq_chip;
 		break;
 	case S2MPS11X:
-		ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				  sec_pmic->irq_base, &s2mps11_irq_chip,
-				  &sec_pmic->irq_data);
+		sec_irq_chip = &s2mps11_irq_chip;
 		break;
 	case S2MPS14X:
-		ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
-				  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
-				  sec_pmic->irq_base, &s2mps14_irq_chip,
-				  &sec_pmic->irq_data);
+		sec_irq_chip = &s2mps14_irq_chip;
+		break;
+	case S2MPU02:
+		sec_irq_chip = &s2mpu02_irq_chip;
 		break;
 	default:
 		dev_err(sec_pmic->dev, "Unknown device type %lu\n",
@@ -390,6 +464,10 @@ int sec_irq_init(struct sec_pmic_dev *sec_pmic)
 		return -EINVAL;
 	}
 
+	ret = regmap_add_irq_chip(sec_pmic->regmap_pmic, sec_pmic->irq,
+			  IRQF_TRIGGER_FALLING | IRQF_ONESHOT,
+			  sec_pmic->irq_base, sec_irq_chip,
+			  &sec_pmic->irq_data);
 	if (ret != 0) {
 		dev_err(sec_pmic->dev, "Failed to register IRQ chip: %d\n", ret);
 		return ret;
diff --git a/drivers/mfd/si476x-cmd.c b/drivers/mfd/si476x-cmd.c
index 6f1ef63086c9..2086b4665288 100644
--- a/drivers/mfd/si476x-cmd.c
+++ b/drivers/mfd/si476x-cmd.c
@@ -1228,8 +1228,8 @@ static int si476x_core_cmd_fm_rsq_status_a10(struct si476x_core *core,
 }
 
 static int si476x_core_cmd_fm_rsq_status_a20(struct si476x_core *core,
-					     struct si476x_rsq_status_args *rsqargs,
-					     struct si476x_rsq_status_report *report)
+				     struct si476x_rsq_status_args *rsqargs,
+				     struct si476x_rsq_status_report *report)
 {
 	int err;
 	u8       resp[CMD_FM_RSQ_STATUS_A10_NRESP];
@@ -1434,10 +1434,10 @@ typedef int (*tune_freq_func_t) (struct si476x_core *core,
 				 struct si476x_tune_freq_args *tuneargs);
 
 static struct {
-	int (*power_up) (struct si476x_core *,
-			 struct si476x_power_up_args *);
-	int (*power_down) (struct si476x_core *,
-			   struct si476x_power_down_args *);
+	int (*power_up)(struct si476x_core *,
+			struct si476x_power_up_args *);
+	int (*power_down)(struct si476x_core *,
+			  struct si476x_power_down_args *);
 
 	tune_freq_func_t fm_tune_freq;
 	tune_freq_func_t am_tune_freq;
diff --git a/drivers/mfd/stmpe-i2c.c b/drivers/mfd/stmpe-i2c.c
index a45f9c0a330a..5c054031c3f8 100644
--- a/drivers/mfd/stmpe-i2c.c
+++ b/drivers/mfd/stmpe-i2c.c
@@ -68,7 +68,7 @@ MODULE_DEVICE_TABLE(of, stmpe_of_match);
 static int
 stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 {
-	int partnum;
+	enum stmpe_partnum partnum;
 	const struct of_device_id *of_id;
 
 	i2c_ci.data = (void *)id;
@@ -85,7 +85,7 @@ stmpe_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id)
 		dev_info(&i2c->dev, "matching on node name, compatible is preferred\n");
 		partnum = id->driver_data;
 	} else
-		partnum = (int)of_id->data;
+		partnum = (enum stmpe_partnum)of_id->data;
 
 	return stmpe_probe(&i2c_ci, partnum);
 }
diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c
index 3b6bfa7184ad..02a17c388e87 100644
--- a/drivers/mfd/stmpe.c
+++ b/drivers/mfd/stmpe.c
@@ -1147,7 +1147,7 @@ static void stmpe_of_probe(struct stmpe_platform_data *pdata,
 }
 
 /* Called from client specific probe routines */
-int stmpe_probe(struct stmpe_client_info *ci, int partnum)
+int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum)
 {
 	struct stmpe_platform_data *pdata = dev_get_platdata(ci->dev);
 	struct device_node *np = ci->dev->of_node;
diff --git a/drivers/mfd/stmpe.h b/drivers/mfd/stmpe.h
index 9e4d21d37a11..2d045f26f193 100644
--- a/drivers/mfd/stmpe.h
+++ b/drivers/mfd/stmpe.h
@@ -97,7 +97,7 @@ struct stmpe_client_info {
 	void (*init)(struct stmpe *stmpe);
 };
 
-int stmpe_probe(struct stmpe_client_info *ci, int partnum);
+int stmpe_probe(struct stmpe_client_info *ci, enum stmpe_partnum partnum);
 int stmpe_remove(struct stmpe *stmpe);
 
 #define STMPE_ICR_LSB_HIGH	(1 << 2)
diff --git a/drivers/mfd/sun6i-prcm.c b/drivers/mfd/sun6i-prcm.c
index 718fc4d2adc0..283ab8d197e4 100644
--- a/drivers/mfd/sun6i-prcm.c
+++ b/drivers/mfd/sun6i-prcm.c
@@ -76,16 +76,46 @@ static const struct mfd_cell sun6i_a31_prcm_subdevs[] = {
 	},
 };
 
+static const struct mfd_cell sun8i_a23_prcm_subdevs[] = {
+	{
+		.name = "sun8i-a23-apb0-clk",
+		.of_compatible = "allwinner,sun8i-a23-apb0-clk",
+		.num_resources = ARRAY_SIZE(sun6i_a31_apb0_clk_res),
+		.resources = sun6i_a31_apb0_clk_res,
+	},
+	{
+		.name = "sun6i-a31-apb0-gates-clk",
+		.of_compatible = "allwinner,sun8i-a23-apb0-gates-clk",
+		.num_resources = ARRAY_SIZE(sun6i_a31_apb0_gates_clk_res),
+		.resources = sun6i_a31_apb0_gates_clk_res,
+	},
+	{
+		.name = "sun6i-a31-apb0-clock-reset",
+		.of_compatible = "allwinner,sun6i-a31-clock-reset",
+		.num_resources = ARRAY_SIZE(sun6i_a31_apb0_rstc_res),
+		.resources = sun6i_a31_apb0_rstc_res,
+	},
+};
+
 static const struct prcm_data sun6i_a31_prcm_data = {
 	.nsubdevs = ARRAY_SIZE(sun6i_a31_prcm_subdevs),
 	.subdevs = sun6i_a31_prcm_subdevs,
 };
 
+static const struct prcm_data sun8i_a23_prcm_data = {
+	.nsubdevs = ARRAY_SIZE(sun8i_a23_prcm_subdevs),
+	.subdevs = sun8i_a23_prcm_subdevs,
+};
+
 static const struct of_device_id sun6i_prcm_dt_ids[] = {
 	{
 		.compatible = "allwinner,sun6i-a31-prcm",
 		.data = &sun6i_a31_prcm_data,
 	},
+	{
+		.compatible = "allwinner,sun8i-a23-prcm",
+		.data = &sun8i_a23_prcm_data,
+	},
 	{ /* sentinel */ },
 };
 
diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c
index bd83accc0f6d..0072e668c208 100644
--- a/drivers/mfd/tc3589x.c
+++ b/drivers/mfd/tc3589x.c
@@ -236,7 +236,7 @@ static void tc3589x_irq_unmap(struct irq_domain *d, unsigned int virq)
 static struct irq_domain_ops tc3589x_irq_ops = {
 	.map    = tc3589x_irq_map,
 	.unmap  = tc3589x_irq_unmap,
-	.xlate  = irq_domain_xlate_twocell,
+	.xlate  = irq_domain_xlate_onecell,
 };
 
 static int tc3589x_irq_init(struct tc3589x *tc3589x, struct device_node *np)
diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c
index 591a331d8d83..e71f88000ae5 100644
--- a/drivers/mfd/tc6387xb.c
+++ b/drivers/mfd/tc6387xb.c
@@ -147,11 +147,10 @@ static int tc6387xb_probe(struct platform_device *dev)
 	int irq, ret;
 
 	iomem = platform_get_resource(dev, IORESOURCE_MEM, 0);
-	if (!iomem) {
+	if (!iomem)
 		return -EINVAL;
-	}
 
-	tc6387xb = kzalloc(sizeof *tc6387xb, GFP_KERNEL);
+	tc6387xb = kzalloc(sizeof(*tc6387xb), GFP_KERNEL);
 	if (!tc6387xb)
 		return -ENOMEM;
 
@@ -189,7 +188,7 @@ static int tc6387xb_probe(struct platform_device *dev)
 	if (pdata && pdata->enable)
 		pdata->enable(dev);
 
-	printk(KERN_INFO "Toshiba tc6387xb initialised\n");
+	dev_info(&dev->dev, "Toshiba tc6387xb initialised\n");
 
 	ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells,
 			      ARRAY_SIZE(tc6387xb_cells), iomem, irq, NULL);
diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c
index b5dfa6e4e692..5de95c265c1a 100644
--- a/drivers/mfd/tps6105x.c
+++ b/drivers/mfd/tps6105x.c
@@ -141,7 +141,7 @@ static int tps6105x_probe(struct i2c_client *client,
 	int ret;
 	int i;
 
-	tps6105x = kmalloc(sizeof(*tps6105x), GFP_KERNEL);
+	tps6105x = devm_kmalloc(&client->dev, sizeof(*tps6105x), GFP_KERNEL);
 	if (!tps6105x)
 		return -ENOMEM;
 
@@ -154,7 +154,7 @@ static int tps6105x_probe(struct i2c_client *client,
 	ret = tps6105x_startup(tps6105x);
 	if (ret) {
 		dev_err(&client->dev, "chip initialization failed\n");
-		goto fail;
+		return ret;
 	}
 
 	/* Remove warning texts when you implement new cell drivers */
@@ -187,16 +187,8 @@ static int tps6105x_probe(struct i2c_client *client,
 		tps6105x_cells[i].pdata_size = sizeof(*tps6105x);
 	}
 
-	ret = mfd_add_devices(&client->dev, 0, tps6105x_cells,
-			      ARRAY_SIZE(tps6105x_cells), NULL, 0, NULL);
-	if (ret)
-		goto fail;
-
-	return 0;
-
-fail:
-	kfree(tps6105x);
-	return ret;
+	return mfd_add_devices(&client->dev, 0, tps6105x_cells,
+			       ARRAY_SIZE(tps6105x_cells), NULL, 0, NULL);
 }
 
 static int tps6105x_remove(struct i2c_client *client)
@@ -210,7 +202,6 @@ static int tps6105x_remove(struct i2c_client *client)
 		TPS6105X_REG0_MODE_MASK,
 		TPS6105X_MODE_SHUTDOWN << TPS6105X_REG0_MODE_SHIFT);
 
-	kfree(tps6105x);
 	return 0;
 }
 
diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c
index f9e42ea1cb1a..f243e75d28f3 100644
--- a/drivers/mfd/tps65910.c
+++ b/drivers/mfd/tps65910.c
@@ -387,7 +387,7 @@ static const struct of_device_id tps65910_of_match[] = {
 MODULE_DEVICE_TABLE(of, tps65910_of_match);
 
 static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
-						int *chip_id)
+						unsigned long *chip_id)
 {
 	struct device_node *np = client->dev.of_node;
 	struct tps65910_board *board_info;
@@ -401,7 +401,7 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
 		return NULL;
 	}
 
-	*chip_id  = (int)match->data;
+	*chip_id  = (unsigned long)match->data;
 
 	board_info = devm_kzalloc(&client->dev, sizeof(*board_info),
 			GFP_KERNEL);
@@ -431,7 +431,7 @@ static struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
 #else
 static inline
 struct tps65910_board *tps65910_parse_dt(struct i2c_client *client,
-					 int *chip_id)
+					 unsigned long *chip_id)
 {
 	return NULL;
 }
@@ -453,14 +453,14 @@ static void tps65910_power_off(void)
 }
 
 static int tps65910_i2c_probe(struct i2c_client *i2c,
-					const struct i2c_device_id *id)
+			      const struct i2c_device_id *id)
 {
 	struct tps65910 *tps65910;
 	struct tps65910_board *pmic_plat_data;
 	struct tps65910_board *of_pmic_plat_data = NULL;
 	struct tps65910_platform_data *init_data;
+	unsigned long chip_id = id->driver_data;
 	int ret = 0;
-	int chip_id = id->driver_data;
 
 	pmic_plat_data = dev_get_platdata(&i2c->dev);
 
diff --git a/drivers/mfd/tps65912-spi.c b/drivers/mfd/tps65912-spi.c
index 69a5178bf152..de60ad98bd9f 100644
--- a/drivers/mfd/tps65912-spi.c
+++ b/drivers/mfd/tps65912-spi.c
@@ -32,10 +32,9 @@ static int tps65912_spi_write(struct tps65912 *tps65912, u8 addr,
 	unsigned long spi_data = 1 << 23 | addr << 15 | *data;
 	struct spi_transfer xfer;
 	struct spi_message msg;
-	u32 tx_buf, rx_buf;
+	u32 tx_buf;
 
 	tx_buf = spi_data;
-	rx_buf = 0;
 
 	xfer.tx_buf	= &tx_buf;
 	xfer.rx_buf	= NULL;
diff --git a/drivers/mfd/twl4030-irq.c b/drivers/mfd/twl4030-irq.c
index 596b1f657e21..b1dabba763cf 100644
--- a/drivers/mfd/twl4030-irq.c
+++ b/drivers/mfd/twl4030-irq.c
@@ -297,7 +297,7 @@ static irqreturn_t handle_twl4030_pih(int irq, void *devid)
 	ret = twl_i2c_read_u8(TWL_MODULE_PIH, &pih_isr,
 			      REG_PIH_ISR_P1);
 	if (ret) {
-		pr_warning("twl4030: I2C error %d reading PIH ISR\n", ret);
+		pr_warn("twl4030: I2C error %d reading PIH ISR\n", ret);
 		return IRQ_NONE;
 	}
 
@@ -338,7 +338,7 @@ static int twl4030_init_sih_modules(unsigned line)
 	irq_line = line;
 
 	/* disable all interrupts on our line */
-	memset(buf, 0xff, sizeof buf);
+	memset(buf, 0xff, sizeof(buf));
 	sih = sih_modules;
 	for (i = 0; i < nr_sih_modules; i++, sih++) {
 		/* skip USB -- it's funky */
@@ -646,7 +646,7 @@ int twl4030_sih_setup(struct device *dev, int module, int irq_base)
 	if (status < 0)
 		return status;
 
-	agent = kzalloc(sizeof *agent, GFP_KERNEL);
+	agent = kzalloc(sizeof(*agent), GFP_KERNEL);
 	if (!agent)
 		return -ENOMEM;
 
diff --git a/drivers/mfd/twl6030-irq.c b/drivers/mfd/twl6030-irq.c
index a6bb17d908b8..2807e1a95663 100644
--- a/drivers/mfd/twl6030-irq.c
+++ b/drivers/mfd/twl6030-irq.c
@@ -70,7 +70,7 @@ static int twl6030_interrupt_mapping[24] = {
 	BATDETECT_INTR_OFFSET,	/* Bit 9	BAT			*/
 	SIMDETECT_INTR_OFFSET,	/* Bit 10	SIM			*/
 	MMCDETECT_INTR_OFFSET,	/* Bit 11	MMC			*/
-	RSV_INTR_OFFSET,  	/* Bit 12	Reserved		*/
+	RSV_INTR_OFFSET,	/* Bit 12	Reserved		*/
 	MADC_INTR_OFFSET,	/* Bit 13	GPADC_RT_EOC		*/
 	MADC_INTR_OFFSET,	/* Bit 14	GPADC_SW_EOC		*/
 	GASGAUGE_INTR_OFFSET,	/* Bit 15	CC_AUTOCAL		*/
@@ -245,6 +245,7 @@ int twl6030_interrupt_unmask(u8 bit_mask, u8 offset)
 {
 	int ret;
 	u8 unmask_value;
+
 	ret = twl_i2c_read_u8(TWL_MODULE_PIH, &unmask_value,
 			REG_INT_STS_A + offset);
 	unmask_value &= (~(bit_mask));
@@ -258,6 +259,7 @@ int twl6030_interrupt_mask(u8 bit_mask, u8 offset)
 {
 	int ret;
 	u8 mask_value;
+
 	ret = twl_i2c_read_u8(TWL_MODULE_PIH, &mask_value,
 			REG_INT_STS_A + offset);
 	mask_value |= (bit_mask);
diff --git a/drivers/mfd/twl6040.c b/drivers/mfd/twl6040.c
index ae26d84b3a59..f9c06c542a41 100644
--- a/drivers/mfd/twl6040.c
+++ b/drivers/mfd/twl6040.c
@@ -700,7 +700,7 @@ static int twl6040_probe(struct i2c_client *client,
 	}
 
 	ret = regmap_add_irq_chip(twl6040->regmap, twl6040->irq, IRQF_ONESHOT,
-				  0, &twl6040_irq_chip,&twl6040->irq_data);
+				  0, &twl6040_irq_chip, &twl6040->irq_data);
 	if (ret < 0)
 		goto gpio_err;
 
diff --git a/drivers/mfd/wm5102-tables.c b/drivers/mfd/wm5102-tables.c
index c8a993bd17ae..fb4d4bb0f47d 100644
--- a/drivers/mfd/wm5102-tables.c
+++ b/drivers/mfd/wm5102-tables.c
@@ -138,11 +138,11 @@ static const struct regmap_irq wm5102_irqs[ARIZONA_NUM_IRQ] = {
 		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ1_EINT1
 	},
 
-	[ARIZONA_IRQ_SPK_SHUTDOWN_WARN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_WARN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT_WARN] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_WARN_EINT1
 	},
-	[ARIZONA_IRQ_SPK_SHUTDOWN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_EINT1
 	},
 	[ARIZONA_IRQ_HPDET] = {
 		.reg_offset = 2, .mask = ARIZONA_HPDET_EINT1
diff --git a/drivers/mfd/wm5110-tables.c b/drivers/mfd/wm5110-tables.c
index 41a7f6fb7802..9b98ee559188 100644
--- a/drivers/mfd/wm5110-tables.c
+++ b/drivers/mfd/wm5110-tables.c
@@ -340,11 +340,11 @@ static const struct regmap_irq wm5110_irqs[ARIZONA_NUM_IRQ] = {
 		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ1_EINT1
 	},
 
-	[ARIZONA_IRQ_SPK_SHUTDOWN_WARN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_WARN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT_WARN] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_WARN_EINT1
 	},
-	[ARIZONA_IRQ_SPK_SHUTDOWN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_EINT1
 	},
 	[ARIZONA_IRQ_HPDET] = {
 		.reg_offset = 2, .mask = ARIZONA_HPDET_EINT1
@@ -416,16 +416,28 @@ static const struct regmap_irq wm5110_irqs[ARIZONA_NUM_IRQ] = {
 	[ARIZONA_IRQ_ISRC2_CFG_ERR] = {
 		.reg_offset = 3, .mask = ARIZONA_ISRC2_CFG_ERR_EINT1
 	},
+	[ARIZONA_IRQ_HP3R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP3R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP3L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP3L_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP2R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP2R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP2L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP2L_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP1R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP1R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP1L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP1L_DONE_EINT1
+	},
 
 	[ARIZONA_IRQ_BOOT_DONE] = {
 		.reg_offset = 4, .mask = ARIZONA_BOOT_DONE_EINT1
 	},
-	[ARIZONA_IRQ_DCS_DAC_DONE] = {
-		.reg_offset = 4, .mask = ARIZONA_DCS_DAC_DONE_EINT1
-	},
-	[ARIZONA_IRQ_DCS_HP_DONE] = {
-		.reg_offset = 4, .mask = ARIZONA_DCS_HP_DONE_EINT1
-	},
 	[ARIZONA_IRQ_FLL2_CLOCK_OK] = {
 		.reg_offset = 4, .mask = ARIZONA_FLL2_CLOCK_OK_EINT1
 	},
@@ -445,6 +457,209 @@ const struct regmap_irq_chip wm5110_irq = {
 };
 EXPORT_SYMBOL_GPL(wm5110_irq);
 
+static const struct regmap_irq wm5110_revd_irqs[ARIZONA_NUM_IRQ] = {
+	[ARIZONA_IRQ_GP4] = { .reg_offset = 0, .mask = ARIZONA_GP4_EINT1 },
+	[ARIZONA_IRQ_GP3] = { .reg_offset = 0, .mask = ARIZONA_GP3_EINT1 },
+	[ARIZONA_IRQ_GP2] = { .reg_offset = 0, .mask = ARIZONA_GP2_EINT1 },
+	[ARIZONA_IRQ_GP1] = { .reg_offset = 0, .mask = ARIZONA_GP1_EINT1 },
+
+	[ARIZONA_IRQ_DSP4_RAM_RDY] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP4_RAM_RDY_EINT1
+	},
+	[ARIZONA_IRQ_DSP3_RAM_RDY] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP3_RAM_RDY_EINT1
+	},
+	[ARIZONA_IRQ_DSP2_RAM_RDY] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP2_RAM_RDY_EINT1
+	},
+	[ARIZONA_IRQ_DSP1_RAM_RDY] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP1_RAM_RDY_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ8] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ8_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ7] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ7_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ6] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ6_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ5] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ5_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ4] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ4_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ3] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ3_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ2] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ2_EINT1
+	},
+	[ARIZONA_IRQ_DSP_IRQ1] = {
+		.reg_offset = 1, .mask = ARIZONA_DSP_IRQ1_EINT1
+	},
+
+	[ARIZONA_IRQ_SPK_OVERHEAT_WARN] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_WARN_EINT1
+	},
+	[ARIZONA_IRQ_SPK_OVERHEAT] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_EINT1
+	},
+	[ARIZONA_IRQ_HPDET] = {
+		.reg_offset = 2, .mask = ARIZONA_HPDET_EINT1
+	},
+	[ARIZONA_IRQ_MICDET] = {
+		.reg_offset = 2, .mask = ARIZONA_MICDET_EINT1
+	},
+	[ARIZONA_IRQ_WSEQ_DONE] = {
+		.reg_offset = 2, .mask = ARIZONA_WSEQ_DONE_EINT1
+	},
+	[ARIZONA_IRQ_DRC2_SIG_DET] = {
+		.reg_offset = 2, .mask = ARIZONA_DRC2_SIG_DET_EINT1
+	},
+	[ARIZONA_IRQ_DRC1_SIG_DET] = {
+		.reg_offset = 2, .mask = ARIZONA_DRC1_SIG_DET_EINT1
+	},
+	[ARIZONA_IRQ_ASRC2_LOCK] = {
+		.reg_offset = 2, .mask = ARIZONA_ASRC2_LOCK_EINT1
+	},
+	[ARIZONA_IRQ_ASRC1_LOCK] = {
+		.reg_offset = 2, .mask = ARIZONA_ASRC1_LOCK_EINT1
+	},
+	[ARIZONA_IRQ_UNDERCLOCKED] = {
+		.reg_offset = 2, .mask = ARIZONA_UNDERCLOCKED_EINT1
+	},
+	[ARIZONA_IRQ_OVERCLOCKED] = {
+		.reg_offset = 2, .mask = ARIZONA_OVERCLOCKED_EINT1
+	},
+	[ARIZONA_IRQ_FLL2_LOCK] = {
+		.reg_offset = 2, .mask = ARIZONA_FLL2_LOCK_EINT1
+	},
+	[ARIZONA_IRQ_FLL1_LOCK] = {
+		.reg_offset = 2, .mask = ARIZONA_FLL1_LOCK_EINT1
+	},
+	[ARIZONA_IRQ_CLKGEN_ERR] = {
+		.reg_offset = 2, .mask = ARIZONA_CLKGEN_ERR_EINT1
+	},
+	[ARIZONA_IRQ_CLKGEN_ERR_ASYNC] = {
+		.reg_offset = 2, .mask = ARIZONA_CLKGEN_ERR_ASYNC_EINT1
+	},
+
+	[ARIZONA_IRQ_CTRLIF_ERR] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_CTRLIF_ERR_EINT1
+	},
+	[ARIZONA_IRQ_MIXER_DROPPED_SAMPLES] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_MIXER_DROPPED_SAMPLE_EINT1
+	},
+	[ARIZONA_IRQ_ASYNC_CLK_ENA_LOW] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_ASYNC_CLK_ENA_LOW_EINT1
+	},
+	[ARIZONA_IRQ_SYSCLK_ENA_LOW] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_SYSCLK_ENA_LOW_EINT1
+	},
+	[ARIZONA_IRQ_ISRC1_CFG_ERR] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_ISRC1_CFG_ERR_EINT1
+	},
+	[ARIZONA_IRQ_ISRC2_CFG_ERR] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_ISRC2_CFG_ERR_EINT1
+	},
+	[ARIZONA_IRQ_ISRC3_CFG_ERR] = {
+		.reg_offset = 3, .mask = ARIZONA_V2_ISRC3_CFG_ERR_EINT1
+	},
+	[ARIZONA_IRQ_HP3R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP3R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP3L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP3L_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP2R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP2R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP2L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP2L_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP1R_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP1R_DONE_EINT1
+	},
+	[ARIZONA_IRQ_HP1L_DONE] = {
+		.reg_offset = 3, .mask = ARIZONA_HP1L_DONE_EINT1
+	},
+
+	[ARIZONA_IRQ_BOOT_DONE] = {
+		.reg_offset = 4, .mask = ARIZONA_BOOT_DONE_EINT1
+	},
+	[ARIZONA_IRQ_ASRC_CFG_ERR] = {
+		.reg_offset = 4, .mask = ARIZONA_V2_ASRC_CFG_ERR_EINT1
+	},
+	[ARIZONA_IRQ_FLL2_CLOCK_OK] = {
+		.reg_offset = 4, .mask = ARIZONA_FLL2_CLOCK_OK_EINT1
+	},
+	[ARIZONA_IRQ_FLL1_CLOCK_OK] = {
+		.reg_offset = 4, .mask = ARIZONA_FLL1_CLOCK_OK_EINT1
+	},
+
+	[ARIZONA_IRQ_DSP_SHARED_WR_COLL] = {
+		.reg_offset = 5, .mask = ARIZONA_DSP_SHARED_WR_COLL_EINT1
+	},
+	[ARIZONA_IRQ_SPK_SHUTDOWN] = {
+		.reg_offset = 5, .mask = ARIZONA_SPK_SHUTDOWN_EINT1
+	},
+	[ARIZONA_IRQ_SPK1R_SHORT] = {
+		.reg_offset = 5, .mask = ARIZONA_SPK1R_SHORT_EINT1
+	},
+	[ARIZONA_IRQ_SPK1L_SHORT] = {
+		.reg_offset = 5, .mask = ARIZONA_SPK1L_SHORT_EINT1
+	},
+	[ARIZONA_IRQ_HP3R_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP3R_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP3R_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP3R_SC_POS_EINT1
+	},
+	[ARIZONA_IRQ_HP3L_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP3L_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP3L_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP3L_SC_POS_EINT1
+	},
+	[ARIZONA_IRQ_HP2R_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP2R_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP2R_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP2R_SC_POS_EINT1
+	},
+	[ARIZONA_IRQ_HP2L_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP2L_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP2L_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP2L_SC_POS_EINT1
+	},
+	[ARIZONA_IRQ_HP1R_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP1R_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP1R_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP1R_SC_POS_EINT1
+	},
+	[ARIZONA_IRQ_HP1L_SC_NEG] = {
+		.reg_offset = 5, .mask = ARIZONA_HP1L_SC_NEG_EINT1
+	},
+	[ARIZONA_IRQ_HP1L_SC_POS] = {
+		.reg_offset = 5, .mask = ARIZONA_HP1L_SC_POS_EINT1
+	},
+};
+
+const struct regmap_irq_chip wm5110_revd_irq = {
+	.name = "wm5110 IRQ",
+	.status_base = ARIZONA_INTERRUPT_STATUS_1,
+	.mask_base = ARIZONA_INTERRUPT_STATUS_1_MASK,
+	.ack_base = ARIZONA_INTERRUPT_STATUS_1,
+	.num_regs = 6,
+	.irqs = wm5110_revd_irqs,
+	.num_irqs = ARRAY_SIZE(wm5110_revd_irqs),
+};
+EXPORT_SYMBOL_GPL(wm5110_revd_irq);
+
 static const struct reg_default wm5110_reg_default[] = {
 	{ 0x00000008, 0x0019 },    /* R8     - Ctrl IF SPI CFG 1 */
 	{ 0x00000009, 0x0001 },    /* R9     - Ctrl IF I2C1 CFG 1 */
@@ -1274,12 +1489,14 @@ static const struct reg_default wm5110_reg_default[] = {
 	{ 0x00000D0A, 0xFFFF },    /* R3338  - Interrupt Status 3 Mask */
 	{ 0x00000D0B, 0xFFFF },    /* R3339  - Interrupt Status 4 Mask */
 	{ 0x00000D0C, 0xFEFF },    /* R3340  - Interrupt Status 5 Mask */
+	{ 0x00000D0D, 0xFFFF },    /* R3341  - Interrupt Status 6 Mask */
 	{ 0x00000D0F, 0x0000 },    /* R3343  - Interrupt Control */
 	{ 0x00000D18, 0xFFFF },    /* R3352  - IRQ2 Status 1 Mask */
 	{ 0x00000D19, 0xFFFF },    /* R3353  - IRQ2 Status 2 Mask */
 	{ 0x00000D1A, 0xFFFF },    /* R3354  - IRQ2 Status 3 Mask */
 	{ 0x00000D1B, 0xFFFF },    /* R3355  - IRQ2 Status 4 Mask */
 	{ 0x00000D1C, 0xFFFF },    /* R3356  - IRQ2 Status 5 Mask */
+	{ 0x00000D1D, 0xFFFF },    /* R3357  - IRQ2 Status 6 Mask */
 	{ 0x00000D1F, 0x0000 },    /* R3359  - IRQ2 Control */
 	{ 0x00000D53, 0xFFFF },    /* R3411  - AOD IRQ Mask IRQ1 */
 	{ 0x00000D54, 0xFFFF },    /* R3412  - AOD IRQ Mask IRQ2 */
@@ -2311,22 +2528,26 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
 	case ARIZONA_INTERRUPT_STATUS_3:
 	case ARIZONA_INTERRUPT_STATUS_4:
 	case ARIZONA_INTERRUPT_STATUS_5:
+	case ARIZONA_INTERRUPT_STATUS_6:
 	case ARIZONA_INTERRUPT_STATUS_1_MASK:
 	case ARIZONA_INTERRUPT_STATUS_2_MASK:
 	case ARIZONA_INTERRUPT_STATUS_3_MASK:
 	case ARIZONA_INTERRUPT_STATUS_4_MASK:
 	case ARIZONA_INTERRUPT_STATUS_5_MASK:
+	case ARIZONA_INTERRUPT_STATUS_6_MASK:
 	case ARIZONA_INTERRUPT_CONTROL:
 	case ARIZONA_IRQ2_STATUS_1:
 	case ARIZONA_IRQ2_STATUS_2:
 	case ARIZONA_IRQ2_STATUS_3:
 	case ARIZONA_IRQ2_STATUS_4:
 	case ARIZONA_IRQ2_STATUS_5:
+	case ARIZONA_IRQ2_STATUS_6:
 	case ARIZONA_IRQ2_STATUS_1_MASK:
 	case ARIZONA_IRQ2_STATUS_2_MASK:
 	case ARIZONA_IRQ2_STATUS_3_MASK:
 	case ARIZONA_IRQ2_STATUS_4_MASK:
 	case ARIZONA_IRQ2_STATUS_5_MASK:
+	case ARIZONA_IRQ2_STATUS_6_MASK:
 	case ARIZONA_IRQ2_CONTROL:
 	case ARIZONA_INTERRUPT_RAW_STATUS_2:
 	case ARIZONA_INTERRUPT_RAW_STATUS_3:
@@ -2335,6 +2556,7 @@ static bool wm5110_readable_register(struct device *dev, unsigned int reg)
 	case ARIZONA_INTERRUPT_RAW_STATUS_6:
 	case ARIZONA_INTERRUPT_RAW_STATUS_7:
 	case ARIZONA_INTERRUPT_RAW_STATUS_8:
+	case ARIZONA_INTERRUPT_RAW_STATUS_9:
 	case ARIZONA_IRQ_PIN_STATUS:
 	case ARIZONA_AOD_WKUP_AND_TRIG:
 	case ARIZONA_AOD_IRQ1:
@@ -2610,11 +2832,13 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
 	case ARIZONA_INTERRUPT_STATUS_3:
 	case ARIZONA_INTERRUPT_STATUS_4:
 	case ARIZONA_INTERRUPT_STATUS_5:
+	case ARIZONA_INTERRUPT_STATUS_6:
 	case ARIZONA_IRQ2_STATUS_1:
 	case ARIZONA_IRQ2_STATUS_2:
 	case ARIZONA_IRQ2_STATUS_3:
 	case ARIZONA_IRQ2_STATUS_4:
 	case ARIZONA_IRQ2_STATUS_5:
+	case ARIZONA_IRQ2_STATUS_6:
 	case ARIZONA_INTERRUPT_RAW_STATUS_2:
 	case ARIZONA_INTERRUPT_RAW_STATUS_3:
 	case ARIZONA_INTERRUPT_RAW_STATUS_4:
@@ -2622,6 +2846,7 @@ static bool wm5110_volatile_register(struct device *dev, unsigned int reg)
 	case ARIZONA_INTERRUPT_RAW_STATUS_6:
 	case ARIZONA_INTERRUPT_RAW_STATUS_7:
 	case ARIZONA_INTERRUPT_RAW_STATUS_8:
+	case ARIZONA_INTERRUPT_RAW_STATUS_9:
 	case ARIZONA_IRQ_PIN_STATUS:
 	case ARIZONA_AOD_WKUP_AND_TRIG:
 	case ARIZONA_AOD_IRQ1:
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index f919def05e24..6a16a8a6f9fa 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -58,10 +58,10 @@ static int wm8350_i2c_remove(struct i2c_client *i2c)
 }
 
 static const struct i2c_device_id wm8350_i2c_id[] = {
-       { "wm8350", 0 },
-       { "wm8351", 0 },
-       { "wm8352", 0 },
-       { }
+	{ "wm8350", 0 },
+	{ "wm8351", 0 },
+	{ "wm8352", 0 },
+	{ }
 };
 MODULE_DEVICE_TABLE(i2c, wm8350_i2c_id);
 
diff --git a/drivers/mfd/wm8350-irq.c b/drivers/mfd/wm8350-irq.c
index cd01f7962dfd..813ff50f95b6 100644
--- a/drivers/mfd/wm8350-irq.c
+++ b/drivers/mfd/wm8350-irq.c
@@ -497,7 +497,8 @@ int wm8350_irq_init(struct wm8350 *wm8350, int irq,
 	if (pdata && pdata->irq_base > 0)
 		irq_base = pdata->irq_base;
 
-	wm8350->irq_base = irq_alloc_descs(irq_base, 0, ARRAY_SIZE(wm8350_irqs), 0);
+	wm8350->irq_base =
+		irq_alloc_descs(irq_base, 0, ARRAY_SIZE(wm8350_irqs), 0);
 	if (wm8350->irq_base < 0) {
 		dev_warn(wm8350->dev, "Allocating irqs failed with %d\n",
 			wm8350->irq_base);
diff --git a/drivers/mfd/wm8994-regmap.c b/drivers/mfd/wm8994-regmap.c
index 2fbce9c5950b..770a25696468 100644
--- a/drivers/mfd/wm8994-regmap.c
+++ b/drivers/mfd/wm8994-regmap.c
@@ -123,14 +123,23 @@ static struct reg_default wm1811_defaults[] = {
 	{ 0x0402, 0x00C0 },    /* R1026 - AIF1 DAC1 Left Volume */
 	{ 0x0403, 0x00C0 },    /* R1027 - AIF1 DAC1 Right Volume */
 	{ 0x0410, 0x0000 },    /* R1040 - AIF1 ADC1 Filters */
+	{ 0x0411, 0x0000 },    /* R1041 - AIF1 ADC2 Filters */
 	{ 0x0420, 0x0200 },    /* R1056 - AIF1 DAC1 Filters (1) */
 	{ 0x0421, 0x0010 },    /* R1057 - AIF1 DAC1 Filters (2) */
+	{ 0x0422, 0x0200 },    /* R1058 - AIF1 DAC2 Filters (1) */
+	{ 0x0423, 0x0010 },    /* R1059 - AIF1 DAC2 Filters (2) */
 	{ 0x0430, 0x0068 },    /* R1072 - AIF1 DAC1 Noise Gate */
+	{ 0x0431, 0x0068 },    /* R1073 - AIF1 DAC2 Noise Gate */
 	{ 0x0440, 0x0098 },    /* R1088 - AIF1 DRC1 (1) */
 	{ 0x0441, 0x0845 },    /* R1089 - AIF1 DRC1 (2) */
 	{ 0x0442, 0x0000 },    /* R1090 - AIF1 DRC1 (3) */
 	{ 0x0443, 0x0000 },    /* R1091 - AIF1 DRC1 (4) */
 	{ 0x0444, 0x0000 },    /* R1092 - AIF1 DRC1 (5) */
+	{ 0x0450, 0x0098 },    /* R1104 - AIF1 DRC2 (1) */
+	{ 0x0451, 0x0845 },    /* R1105 - AIF1 DRC2 (2) */
+	{ 0x0452, 0x0000 },    /* R1106 - AIF1 DRC2 (3) */
+	{ 0x0453, 0x0000 },    /* R1107 - AIF1 DRC2 (4) */
+	{ 0x0454, 0x0000 },    /* R1108 - AIF1 DRC2 (5) */
 	{ 0x0480, 0x6318 },    /* R1152 - AIF1 DAC1 EQ Gains (1) */
 	{ 0x0481, 0x6300 },    /* R1153 - AIF1 DAC1 EQ Gains (2) */
 	{ 0x0482, 0x0FCA },    /* R1154 - AIF1 DAC1 EQ Band 1 A */
@@ -152,6 +161,27 @@ static struct reg_default wm1811_defaults[] = {
 	{ 0x0492, 0x0559 },    /* R1170 - AIF1 DAC1 EQ Band 5 B */
 	{ 0x0493, 0x4000 },    /* R1171 - AIF1 DAC1 EQ Band 5 PG */
 	{ 0x0494, 0x0000 },    /* R1172 - AIF1 DAC1 EQ Band 1 C */
+	{ 0x04A0, 0x6318 },    /* R1184 - AIF1 DAC2 EQ Gains (1) */
+	{ 0x04A1, 0x6300 },    /* R1185 - AIF1 DAC2 EQ Gains (2) */
+	{ 0x04A2, 0x0FCA },    /* R1186 - AIF1 DAC2 EQ Band 1 A */
+	{ 0x04A3, 0x0400 },    /* R1187 - AIF1 DAC2 EQ Band 1 B */
+	{ 0x04A4, 0x00D8 },    /* R1188 - AIF1 DAC2 EQ Band 1 PG */
+	{ 0x04A5, 0x1EB5 },    /* R1189 - AIF1 DAC2 EQ Band 2 A */
+	{ 0x04A6, 0xF145 },    /* R1190 - AIF1 DAC2 EQ Band 2 B */
+	{ 0x04A7, 0x0B75 },    /* R1191 - AIF1 DAC2 EQ Band 2 C */
+	{ 0x04A8, 0x01C5 },    /* R1192 - AIF1 DAC2 EQ Band 2 PG */
+	{ 0x04A9, 0x1C58 },    /* R1193 - AIF1 DAC2 EQ Band 3 A */
+	{ 0x04AA, 0xF373 },    /* R1194 - AIF1 DAC2 EQ Band 3 B */
+	{ 0x04AB, 0x0A54 },    /* R1195 - AIF1 DAC2 EQ Band 3 C */
+	{ 0x04AC, 0x0558 },    /* R1196 - AIF1 DAC2 EQ Band 3 PG */
+	{ 0x04AD, 0x168E },    /* R1197 - AIF1 DAC2 EQ Band 4 A */
+	{ 0x04AE, 0xF829 },    /* R1198 - AIF1 DAC2 EQ Band 4 B */
+	{ 0x04AF, 0x07AD },    /* R1199 - AIF1 DAC2 EQ Band 4 C */
+	{ 0x04B0, 0x1103 },    /* R1200 - AIF1 DAC2 EQ Band 4 PG */
+	{ 0x04B1, 0x0564 },    /* R1201 - AIF1 DAC2 EQ Band 5 A */
+	{ 0x04B2, 0x0559 },    /* R1202 - AIF1 DAC2 EQ Band 5 B */
+	{ 0x04B3, 0x4000 },    /* R1203 - AIF1 DAC2 EQ Band 5 PG */
+	{ 0x04B4, 0x0000 },    /* R1204 - AIF1 DAC2 EQ Band 1 C */
 	{ 0x0500, 0x00C0 },    /* R1280 - AIF2 ADC Left Volume */
 	{ 0x0501, 0x00C0 },    /* R1281 - AIF2 ADC Right Volume */
 	{ 0x0502, 0x00C0 },    /* R1282 - AIF2 DAC Left Volume */
@@ -194,6 +224,8 @@ static struct reg_default wm1811_defaults[] = {
 	{ 0x0605, 0x0000 },    /* R1541 - AIF2ADC Right Mixer Routing */
 	{ 0x0606, 0x0000 },    /* R1542 - AIF1 ADC1 Left Mixer Routing */
 	{ 0x0607, 0x0000 },    /* R1543 - AIF1 ADC1 Right Mixer Routing */
+	{ 0x0608, 0x0000 },    /* R1544 - AIF1 ADC2 Left Mixer Routing */
+	{ 0x0609, 0x0000 },    /* R1545 - AIF1 ADC2 Right Mixer Routing */
 	{ 0x0610, 0x02C0 },    /* R1552 - DAC1 Left Volume */
 	{ 0x0611, 0x02C0 },    /* R1553 - DAC1 Right Volume */
 	{ 0x0612, 0x02C0 },    /* R1554 - AIF2TX Left Volume */
@@ -846,14 +878,23 @@ static bool wm1811_readable_register(struct device *dev, unsigned int reg)
 	case WM8994_AIF1_DAC1_LEFT_VOLUME:
 	case WM8994_AIF1_DAC1_RIGHT_VOLUME:
 	case WM8994_AIF1_ADC1_FILTERS:
+	case WM8994_AIF1_ADC2_FILTERS:
 	case WM8994_AIF1_DAC1_FILTERS_1:
 	case WM8994_AIF1_DAC1_FILTERS_2:
+	case WM8994_AIF1_DAC2_FILTERS_1:
+	case WM8994_AIF1_DAC2_FILTERS_2:
 	case WM8958_AIF1_DAC1_NOISE_GATE:
+	case WM8958_AIF1_DAC2_NOISE_GATE:
 	case WM8994_AIF1_DRC1_1:
 	case WM8994_AIF1_DRC1_2:
 	case WM8994_AIF1_DRC1_3:
 	case WM8994_AIF1_DRC1_4:
 	case WM8994_AIF1_DRC1_5:
+	case WM8994_AIF1_DRC2_1:
+	case WM8994_AIF1_DRC2_2:
+	case WM8994_AIF1_DRC2_3:
+	case WM8994_AIF1_DRC2_4:
+	case WM8994_AIF1_DRC2_5:
 	case WM8994_AIF1_DAC1_EQ_GAINS_1:
 	case WM8994_AIF1_DAC1_EQ_GAINS_2:
 	case WM8994_AIF1_DAC1_EQ_BAND_1_A:
@@ -875,6 +916,27 @@ static bool wm1811_readable_register(struct device *dev, unsigned int reg)
 	case WM8994_AIF1_DAC1_EQ_BAND_5_B:
 	case WM8994_AIF1_DAC1_EQ_BAND_5_PG:
 	case WM8994_AIF1_DAC1_EQ_BAND_1_C:
+	case WM8994_AIF1_DAC2_EQ_GAINS_1:
+	case WM8994_AIF1_DAC2_EQ_GAINS_2:
+	case WM8994_AIF1_DAC2_EQ_BAND_1_A:
+	case WM8994_AIF1_DAC2_EQ_BAND_1_B:
+	case WM8994_AIF1_DAC2_EQ_BAND_1_PG:
+	case WM8994_AIF1_DAC2_EQ_BAND_2_A:
+	case WM8994_AIF1_DAC2_EQ_BAND_2_B:
+	case WM8994_AIF1_DAC2_EQ_BAND_2_C:
+	case WM8994_AIF1_DAC2_EQ_BAND_2_PG:
+	case WM8994_AIF1_DAC2_EQ_BAND_3_A:
+	case WM8994_AIF1_DAC2_EQ_BAND_3_B:
+	case WM8994_AIF1_DAC2_EQ_BAND_3_C:
+	case WM8994_AIF1_DAC2_EQ_BAND_3_PG:
+	case WM8994_AIF1_DAC2_EQ_BAND_4_A:
+	case WM8994_AIF1_DAC2_EQ_BAND_4_B:
+	case WM8994_AIF1_DAC2_EQ_BAND_4_C:
+	case WM8994_AIF1_DAC2_EQ_BAND_4_PG:
+	case WM8994_AIF1_DAC2_EQ_BAND_5_A:
+	case WM8994_AIF1_DAC2_EQ_BAND_5_B:
+	case WM8994_AIF1_DAC2_EQ_BAND_5_PG:
+	case WM8994_AIF1_DAC2_EQ_BAND_1_C:
 	case WM8994_AIF2_ADC_LEFT_VOLUME:
 	case WM8994_AIF2_ADC_RIGHT_VOLUME:
 	case WM8994_AIF2_DAC_LEFT_VOLUME:
@@ -917,6 +979,8 @@ static bool wm1811_readable_register(struct device *dev, unsigned int reg)
 	case WM8994_DAC2_RIGHT_MIXER_ROUTING:
 	case WM8994_AIF1_ADC1_LEFT_MIXER_ROUTING:
 	case WM8994_AIF1_ADC1_RIGHT_MIXER_ROUTING:
+	case WM8994_AIF1_ADC2_LEFT_MIXER_ROUTING:
+	case WM8994_AIF1_ADC2_RIGHT_MIXER_ROUTING:
 	case WM8994_DAC1_LEFT_VOLUME:
 	case WM8994_DAC1_RIGHT_VOLUME:
 	case WM8994_DAC2_LEFT_VOLUME:
diff --git a/drivers/mfd/wm8997-tables.c b/drivers/mfd/wm8997-tables.c
index c7a81da64ee1..510da3b52324 100644
--- a/drivers/mfd/wm8997-tables.c
+++ b/drivers/mfd/wm8997-tables.c
@@ -65,11 +65,11 @@ static const struct regmap_irq wm8997_irqs[ARIZONA_NUM_IRQ] = {
 	[ARIZONA_IRQ_GP2] = { .reg_offset = 0, .mask = ARIZONA_GP2_EINT1 },
 	[ARIZONA_IRQ_GP1] = { .reg_offset = 0, .mask = ARIZONA_GP1_EINT1 },
 
-	[ARIZONA_IRQ_SPK_SHUTDOWN_WARN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_WARN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT_WARN] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_WARN_EINT1
 	},
-	[ARIZONA_IRQ_SPK_SHUTDOWN] = {
-		.reg_offset = 2, .mask = ARIZONA_SPK_SHUTDOWN_EINT1
+	[ARIZONA_IRQ_SPK_OVERHEAT] = {
+		.reg_offset = 2, .mask = ARIZONA_SPK_OVERHEAT_EINT1
 	},
 	[ARIZONA_IRQ_HPDET] = {
 		.reg_offset = 2, .mask = ARIZONA_HPDET_EINT1
@@ -174,10 +174,10 @@ static const struct reg_default wm8997_reg_default[] = {
 	{ 0x00000062, 0x01FF },    /* R98    - Sample Rate Sequence Select 2 */
 	{ 0x00000063, 0x01FF },    /* R99    - Sample Rate Sequence Select 3 */
 	{ 0x00000064, 0x01FF },    /* R100   - Sample Rate Sequence Select 4 */
-	{ 0x00000068, 0x01FF },    /* R104   - Always On Triggers Sequence Select 3 */
-	{ 0x00000069, 0x01FF },    /* R105   - Always On Triggers Sequence Select 4 */
-	{ 0x0000006A, 0x01FF },    /* R106   - Always On Triggers Sequence Select 5 */
-	{ 0x0000006B, 0x01FF },    /* R107   - Always On Triggers Sequence Select 6 */
+	{ 0x00000068, 0x01FF },    /* R104   - AlwaysOn Triggers Seq Select 3 */
+	{ 0x00000069, 0x01FF },    /* R105   - AlwaysOn Triggers Seq Select 4 */
+	{ 0x0000006A, 0x01FF },    /* R106   - AlwaysOn Triggers Seq Select 5 */
+	{ 0x0000006B, 0x01FF },    /* R107   - AlwaysOn Triggers Seq Select 6 */
 	{ 0x00000070, 0x0000 },    /* R112   - Comfort Noise Generator */
 	{ 0x00000090, 0x0000 },    /* R144   - Haptics Control 1 */
 	{ 0x00000091, 0x7FFF },    /* R145   - Haptics Control 2 */
author	Linus Torvalds <torvalds@linux-foundation.org>	2014-08-08 04:17:39 +0400
committer	Linus Torvalds <torvalds@linux-foundation.org>	2014-08-08 04:17:39 +0400
commit	54c72d5987ff9f3cf59529d5d4f5cf19eae3f695 (patch)
tree	3fee972d54926627895aa07684ddb2e2388e4614 /drivers/mfd
parent	66bb0aa077978dbb76e6283531eb3cc7a878de38 (diff)
parent	7caa79917ad4c1f91366b11f18e48623554aaa52 (diff)
download	linux-54c72d5987ff9f3cf59529d5d4f5cf19eae3f695.tar.xz