20 files changed, 107 insertions, 76 deletions

diff --git a/drivers/iio/adc/Kconfig b/drivers/iio/adc/Kconfig
index 97ece1a4b7e3..6c4e74420fd2 100644
--- a/drivers/iio/adc/Kconfig
+++ b/drivers/iio/adc/Kconfig
@@ -52,6 +52,8 @@ config AD4695
 	tristate "Analog Device AD4695 ADC Driver"
 	depends on SPI
 	select REGMAP_SPI
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for Analog Devices AD4695 and similar
 	  analog to digital converters (ADC).
@@ -328,6 +330,8 @@ config AD7923
 config AD7944
 	tristate "Analog Devices AD7944 and similar ADCs driver"
 	depends on SPI
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for Analog Devices
 	  AD7944, AD7985, AD7986 ADCs.
@@ -1481,6 +1485,8 @@ config TI_ADS8344
 config TI_ADS8688
 	tristate "Texas Instruments ADS8688"
 	depends on SPI
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  If you say yes here you get support for Texas Instruments ADS8684 and
 	  and ADS8688 ADC chips
@@ -1491,6 +1497,8 @@ config TI_ADS8688
 config TI_ADS124S08
 	tristate "Texas Instruments ADS124S08"
 	depends on SPI
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  If you say yes here you get support for Texas Instruments ADS124S08
 	  and ADS124S06 ADC chips
@@ -1525,6 +1533,9 @@ config TI_AM335X_ADC
 config TI_LMP92064
 	tristate "Texas Instruments LMP92064 ADC driver"
 	depends on SPI
+	select REGMAP_SPI
+	select IIO_BUFFER
+	select IIO_TRIGGERED_BUFFER
 	help
 	  Say yes here to build support for the LMP92064 Precision Current and Voltage
 	  sensor.
diff --git a/drivers/iio/adc/ad4130.c b/drivers/iio/adc/ad4130.c
index e134d6497827..de32cc9d18c5 100644
--- a/drivers/iio/adc/ad4130.c
+++ b/drivers/iio/adc/ad4130.c
@@ -23,7 +23,7 @@
 #include <linux/units.h>
 
 #include <asm/div64.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/buffer.h>
 #include <linux/iio/iio.h>
diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index a5d91933f505..b79c48d46ccc 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -637,7 +637,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev,
 
 	switch (info) {
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		if (val2 != 0) {
+		if (val2 != 0 || val == 0) {
 			ret = -EINVAL;
 			break;
 		}
diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c
index e8bddfb0d07d..fb728570debe 100644
--- a/drivers/iio/adc/ad7380.c
+++ b/drivers/iio/adc/ad7380.c
@@ -75,6 +75,7 @@
 #define T_CONVERT_NS 190		/* conversion time */
 #define T_CONVERT_0_NS 10		/* 1st conversion start time (oversampling) */
 #define T_CONVERT_X_NS 500		/* xth conversion start time (oversampling) */
+#define T_POWERUP_US 5000		/* Power up */
 
 struct ad7380_timing_specs {
 	const unsigned int t_csh_ns;	/* CS minimum high time */
@@ -86,6 +87,9 @@ struct ad7380_chip_info {
 	unsigned int num_channels;
 	unsigned int num_simult_channels;
 	bool has_mux;
+	const char * const *supplies;
+	unsigned int num_supplies;
+	bool external_ref_only;
 	const char * const *vcm_supplies;
 	unsigned int num_vcm_supplies;
 	const unsigned long *available_scan_masks;
@@ -243,6 +247,10 @@ DEFINE_AD7380_8_CHANNEL(ad7386_4_channels, 16, 0, u);
 DEFINE_AD7380_8_CHANNEL(ad7387_4_channels, 14, 0, u);
 DEFINE_AD7380_8_CHANNEL(ad7388_4_channels, 12, 0, u);
 
+static const char * const ad7380_supplies[] = {
+	"vcc", "vlogic",
+};
+
 static const char * const ad7380_2_channel_vcm_supplies[] = {
 	"aina", "ainb",
 };
@@ -338,6 +346,8 @@ static const struct ad7380_chip_info ad7380_chip_info = {
 	.channels = ad7380_channels,
 	.num_channels = ARRAY_SIZE(ad7380_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
 };
@@ -347,6 +357,8 @@ static const struct ad7380_chip_info ad7381_chip_info = {
 	.channels = ad7381_channels,
 	.num_channels = ARRAY_SIZE(ad7381_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
 };
@@ -356,6 +368,8 @@ static const struct ad7380_chip_info ad7383_chip_info = {
 	.channels = ad7383_channels,
 	.num_channels = ARRAY_SIZE(ad7383_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_2_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
@@ -367,6 +381,8 @@ static const struct ad7380_chip_info ad7384_chip_info = {
 	.channels = ad7384_channels,
 	.num_channels = ARRAY_SIZE(ad7384_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_2_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
@@ -378,6 +394,8 @@ static const struct ad7380_chip_info ad7386_chip_info = {
 	.channels = ad7386_channels,
 	.num_channels = ARRAY_SIZE(ad7386_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -388,6 +406,8 @@ static const struct ad7380_chip_info ad7387_chip_info = {
 	.channels = ad7387_channels,
 	.num_channels = ARRAY_SIZE(ad7387_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -398,6 +418,8 @@ static const struct ad7380_chip_info ad7388_chip_info = {
 	.channels = ad7388_channels,
 	.num_channels = ARRAY_SIZE(ad7388_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -408,6 +430,9 @@ static const struct ad7380_chip_info ad7380_4_chip_info = {
 	.channels = ad7380_4_channels,
 	.num_channels = ARRAY_SIZE(ad7380_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
+	.external_ref_only = true,
 	.available_scan_masks = ad7380_4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
 };
@@ -417,6 +442,8 @@ static const struct ad7380_chip_info ad7381_4_chip_info = {
 	.channels = ad7381_4_channels,
 	.num_channels = ARRAY_SIZE(ad7381_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
 };
@@ -426,6 +453,8 @@ static const struct ad7380_chip_info ad7383_4_chip_info = {
 	.channels = ad7383_4_channels,
 	.num_channels = ARRAY_SIZE(ad7383_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_4_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -437,6 +466,8 @@ static const struct ad7380_chip_info ad7384_4_chip_info = {
 	.channels = ad7384_4_channels,
 	.num_channels = ARRAY_SIZE(ad7384_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_4_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -448,6 +479,8 @@ static const struct ad7380_chip_info ad7386_4_chip_info = {
 	.channels = ad7386_4_channels,
 	.num_channels = ARRAY_SIZE(ad7386_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -458,6 +491,8 @@ static const struct ad7380_chip_info ad7387_4_chip_info = {
 	.channels = ad7387_4_channels,
 	.num_channels = ARRAY_SIZE(ad7387_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -468,6 +503,8 @@ static const struct ad7380_chip_info ad7388_4_chip_info = {
 	.channels = ad7388_4_channels,
 	.num_channels = ARRAY_SIZE(ad7388_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -956,7 +993,7 @@ static const struct iio_info ad7380_info = {
 	.debugfs_reg_access = &ad7380_debugfs_reg_access,
 };
 
-static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
+static int ad7380_init(struct ad7380_state *st, bool external_ref_en)
 {
 	int ret;
 
@@ -968,13 +1005,13 @@ static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
 	if (ret < 0)
 		return ret;
 
-	/* select internal or external reference voltage */
-	ret = regmap_update_bits(st->regmap, AD7380_REG_ADDR_CONFIG1,
-				 AD7380_CONFIG1_REFSEL,
-				 FIELD_PREP(AD7380_CONFIG1_REFSEL,
-					    vref ? 1 : 0));
-	if (ret < 0)
-		return ret;
+	if (external_ref_en) {
+		/* select external reference voltage */
+		ret = regmap_set_bits(st->regmap, AD7380_REG_ADDR_CONFIG1,
+				      AD7380_CONFIG1_REFSEL);
+		if (ret < 0)
+			return ret;
+	}
 
 	/* This is the default value after reset. */
 	st->oversampling_ratio = 1;
@@ -987,16 +1024,11 @@ static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
 				  FIELD_PREP(AD7380_CONFIG2_SDO, 1));
 }
 
-static void ad7380_regulator_disable(void *p)
-{
-	regulator_disable(p);
-}
-
 static int ad7380_probe(struct spi_device *spi)
 {
 	struct iio_dev *indio_dev;
 	struct ad7380_state *st;
-	struct regulator *vref;
+	bool external_ref_en;
 	int ret, i;
 
 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
@@ -1009,36 +1041,38 @@ static int ad7380_probe(struct spi_device *spi)
 	if (!st->chip_info)
 		return dev_err_probe(&spi->dev, -EINVAL, "missing match data\n");
 
-	vref = devm_regulator_get_optional(&spi->dev, "refio");
-	if (IS_ERR(vref)) {
-		if (PTR_ERR(vref) != -ENODEV)
-			return dev_err_probe(&spi->dev, PTR_ERR(vref),
-					     "Failed to get refio regulator\n");
-
-		vref = NULL;
-	}
+	ret = devm_regulator_bulk_get_enable(&spi->dev, st->chip_info->num_supplies,
+					     st->chip_info->supplies);
 
-	/*
-	 * If there is no REFIO supply, then it means that we are using
-	 * the internal 2.5V reference, otherwise REFIO is reference voltage.
-	 */
-	if (vref) {
-		ret = regulator_enable(vref);
-		if (ret)
-			return ret;
-
-		ret = devm_add_action_or_reset(&spi->dev,
-					       ad7380_regulator_disable, vref);
-		if (ret)
-			return ret;
+	if (ret)
+		return dev_err_probe(&spi->dev, ret,
+				     "Failed to enable power supplies\n");
+	fsleep(T_POWERUP_US);
 
-		ret = regulator_get_voltage(vref);
+	if (st->chip_info->external_ref_only) {
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev,
+							     "refin");
 		if (ret < 0)
-			return ret;
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get refin regulator\n");
 
 		st->vref_mv = ret / 1000;
+
+		/* these chips don't have a register bit for this */
+		external_ref_en = false;
 	} else {
-		st->vref_mv = AD7380_INTERNAL_REF_MV;
+		/*
+		 * If there is no REFIO supply, then it means that we are using
+		 * the internal reference, otherwise REFIO is reference voltage.
+		 */
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev,
+							     "refio");
+		if (ret < 0 && ret != -ENODEV)
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get refio regulator\n");
+
+		external_ref_en = ret != -ENODEV;
+		st->vref_mv = external_ref_en ? ret / 1000 : AD7380_INTERNAL_REF_MV;
 	}
 
 	if (st->chip_info->num_vcm_supplies > ARRAY_SIZE(st->vcm_mv))
@@ -1050,27 +1084,13 @@ static int ad7380_probe(struct spi_device *spi)
 	 * input pin.
 	 */
 	for (i = 0; i < st->chip_info->num_vcm_supplies; i++) {
-		struct regulator *vcm;
-
-		vcm = devm_regulator_get(&spi->dev,
-					 st->chip_info->vcm_supplies[i]);
-		if (IS_ERR(vcm))
-			return dev_err_probe(&spi->dev, PTR_ERR(vcm),
-					     "Failed to get %s regulator\n",
-					     st->chip_info->vcm_supplies[i]);
+		const char *vcm = st->chip_info->vcm_supplies[i];
 
-		ret = regulator_enable(vcm);
-		if (ret)
-			return ret;
-
-		ret = devm_add_action_or_reset(&spi->dev,
-					       ad7380_regulator_disable, vcm);
-		if (ret)
-			return ret;
-
-		ret = regulator_get_voltage(vcm);
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev, vcm);
 		if (ret < 0)
-			return ret;
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get %s regulator\n",
+					     vcm);
 
 		st->vcm_mv[i] = ret / 1000;
 	}
@@ -1135,7 +1155,7 @@ static int ad7380_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	ret = ad7380_init(st, vref);
+	ret = ad7380_init(st, external_ref_en);
 	if (ret)
 		return ret;
 
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index e2bed2d648f2..ea4aabd3960a 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -23,7 +23,7 @@
 #include <linux/iio/triggered_buffer.h>
 #include <linux/iio/adc/ad_sigma_delta.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 
 #define AD_SD_COMM_CHAN_MASK	0x3
diff --git a/drivers/iio/adc/axp20x_adc.c b/drivers/iio/adc/axp20x_adc.c
index d43c8d124a0c..6c1a5d1b0a83 100644
--- a/drivers/iio/adc/axp20x_adc.c
+++ b/drivers/iio/adc/axp20x_adc.c
@@ -5,7 +5,7 @@
  *	Quentin Schulz <quentin.schulz@free-electrons.com>
  */
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/bitfield.h>
 #include <linux/completion.h>
 #include <linux/interrupt.h>
diff --git a/drivers/iio/adc/intel_mrfld_adc.c b/drivers/iio/adc/intel_mrfld_adc.c
index 0590a126f321..30733252aa56 100644
--- a/drivers/iio/adc/intel_mrfld_adc.c
+++ b/drivers/iio/adc/intel_mrfld_adc.c
@@ -25,7 +25,7 @@
 #include <linux/iio/iio.h>
 #include <linux/iio/machine.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #define BCOVE_GPADCREQ			0xDC
 #define BCOVE_GPADCREQ_BUSY		BIT(0)
diff --git a/drivers/iio/adc/ltc2497.c b/drivers/iio/adc/ltc2497.c
index f010b2fd1202..eb9d521e86e5 100644
--- a/drivers/iio/adc/ltc2497.c
+++ b/drivers/iio/adc/ltc2497.c
@@ -14,7 +14,7 @@
 #include <linux/mod_devicetable.h>
 #include <linux/property.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include "ltc2497.h"
 
diff --git a/drivers/iio/adc/max11100.c b/drivers/iio/adc/max11100.c
index 2f07437caec3..520e37f75aac 100644
--- a/drivers/iio/adc/max11100.c
+++ b/drivers/iio/adc/max11100.c
@@ -12,7 +12,7 @@
 #include <linux/module.h>
 #include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/driver.h>
diff --git a/drivers/iio/adc/max11410.c b/drivers/iio/adc/max11410.c
index 45368850b220..f0dc4b460903 100644
--- a/drivers/iio/adc/max11410.c
+++ b/drivers/iio/adc/max11410.c
@@ -15,7 +15,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/buffer.h>
 #include <linux/iio/sysfs.h>
diff --git a/drivers/iio/adc/mcp3422.c b/drivers/iio/adc/mcp3422.c
index 0778a8fb6866..50834fdcf738 100644
--- a/drivers/iio/adc/mcp3422.c
+++ b/drivers/iio/adc/mcp3422.c
@@ -19,7 +19,7 @@
 #include <linux/mod_devicetable.h>
 #include <linux/delay.h>
 #include <linux/sysfs.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
diff --git a/drivers/iio/adc/mcp3911.c b/drivers/iio/adc/mcp3911.c
index d0e77971c5d3..b097f04172c8 100644
--- a/drivers/iio/adc/mcp3911.c
+++ b/drivers/iio/adc/mcp3911.c
@@ -23,7 +23,7 @@
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/trigger.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #define MCP3911_REG_CHANNEL0		0x00
 #define MCP3911_REG_CHANNEL1		0x03
diff --git a/drivers/iio/adc/mt6360-adc.c b/drivers/iio/adc/mt6360-adc.c
index e2ec805e834f..83161e6d29b9 100644
--- a/drivers/iio/adc/mt6360-adc.c
+++ b/drivers/iio/adc/mt6360-adc.c
@@ -16,7 +16,7 @@
 #include <linux/iio/trigger_consumer.h>
 #include <linux/iio/triggered_buffer.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #define MT6360_REG_PMUCHGCTRL3	0x313
 #define MT6360_REG_PMUADCCFG	0x356
diff --git a/drivers/iio/adc/pac1921.c b/drivers/iio/adc/pac1921.c
index 4c2a1c07bc39..36e813d9c73f 100644
--- a/drivers/iio/adc/pac1921.c
+++ b/drivers/iio/adc/pac1921.c
@@ -5,7 +5,7 @@
  * Copyright (C) 2024 Matteo Martelli <matteomartelli3@gmail.com>
  */
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 #include <linux/bitfield.h>
 #include <linux/i2c.h>
 #include <linux/iio/events.h>
diff --git a/drivers/iio/adc/pac1934.c b/drivers/iio/adc/pac1934.c
index 8210728034d0..7ef249d83286 100644
--- a/drivers/iio/adc/pac1934.c
+++ b/drivers/iio/adc/pac1934.c
@@ -19,7 +19,7 @@
 #include <linux/i2c.h>
 #include <linux/iio/iio.h>
 #include <linux/iio/sysfs.h>
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 /*
  * maximum accumulation time should be (17 * 60 * 1000) around 17 minutes@1024 sps
diff --git a/drivers/iio/adc/qcom-spmi-rradc.c b/drivers/iio/adc/qcom-spmi-rradc.c
index 6aa70b4629a7..63ebaf13ef19 100644
--- a/drivers/iio/adc/qcom-spmi-rradc.c
+++ b/drivers/iio/adc/qcom-spmi-rradc.c
@@ -20,7 +20,7 @@
 #include <linux/types.h>
 #include <linux/units.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/iio.h>
 #include <linux/iio/types.h>
diff --git a/drivers/iio/adc/ti-ads124s08.c b/drivers/iio/adc/ti-ads124s08.c
index 14941f384dad..425b48d8986f 100644
--- a/drivers/iio/adc/ti-ads124s08.c
+++ b/drivers/iio/adc/ti-ads124s08.c
@@ -21,7 +21,7 @@
 #include <linux/iio/triggered_buffer.h>
 #include <linux/iio/sysfs.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 /* Commands */
 #define ADS124S08_CMD_NOP	0x00
diff --git a/drivers/iio/adc/ti-ads1298.c b/drivers/iio/adc/ti-ads1298.c
index 13cb32125eef..0f9f75baaebb 100644
--- a/drivers/iio/adc/ti-ads1298.c
+++ b/drivers/iio/adc/ti-ads1298.c
@@ -23,7 +23,7 @@
 #include <linux/iio/buffer.h>
 #include <linux/iio/kfifo_buf.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 /* Commands */
 #define ADS1298_CMD_WAKEUP	0x02
diff --git a/drivers/iio/adc/ti-ads131e08.c b/drivers/iio/adc/ti-ads131e08.c
index 91a427eb0882..31f1f229d97a 100644
--- a/drivers/iio/adc/ti-ads131e08.c
+++ b/drivers/iio/adc/ti-ads131e08.c
@@ -23,7 +23,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/spi/spi.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 /* Commands */
 #define ADS131E08_CMD_RESET		0x06
diff --git a/drivers/iio/adc/ti-tsc2046.c b/drivers/iio/adc/ti-tsc2046.c
index 311d97001249..b56f2503f14c 100644
--- a/drivers/iio/adc/ti-tsc2046.c
+++ b/drivers/iio/adc/ti-tsc2046.c
@@ -13,7 +13,7 @@
 #include <linux/spi/spi.h>
 #include <linux/units.h>
 
-#include <asm/unaligned.h>
+#include <linux/unaligned.h>
 
 #include <linux/iio/buffer.h>
 #include <linux/iio/trigger_consumer.h>