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-rw-r--r--drivers/staging/iio/adc/Kconfig4
-rw-r--r--drivers/staging/iio/adc/Makefile7
-rw-r--r--drivers/staging/iio/adc/ad7192.c2
-rw-r--r--drivers/staging/iio/adc/ad7280a.c2
-rw-r--r--drivers/staging/iio/adc/ad7606_core.c4
-rw-r--r--drivers/staging/iio/adc/ad7780.c36
-rw-r--r--drivers/staging/iio/adc/ad7780.h30
-rw-r--r--drivers/staging/iio/adc/ad7816.c2
-rw-r--r--drivers/staging/iio/adc/mxs-lradc.c4
9 files changed, 27 insertions, 64 deletions
diff --git a/drivers/staging/iio/adc/Kconfig b/drivers/staging/iio/adc/Kconfig
index 94ae4232ee77..58d4517e1836 100644
--- a/drivers/staging/iio/adc/Kconfig
+++ b/drivers/staging/iio/adc/Kconfig
@@ -23,7 +23,7 @@ config AD7606_IFACE_PARALLEL
ADC driver.
To compile this driver as a module, choose M here: the
- module will be called ad7606_iface_parallel.
+ module will be called ad7606_parallel.
config AD7606_IFACE_SPI
tristate "spi interface support"
@@ -34,7 +34,7 @@ config AD7606_IFACE_SPI
ADC driver.
To compile this driver as a module, choose M here: the
- module will be called ad7606_iface_spi.
+ module will be called ad7606_spi.
config AD7780
tristate "Analog Devices AD7780 and similar ADCs driver"
diff --git a/drivers/staging/iio/adc/Makefile b/drivers/staging/iio/adc/Makefile
index 1c4277dbd318..0c87ce3530f8 100644
--- a/drivers/staging/iio/adc/Makefile
+++ b/drivers/staging/iio/adc/Makefile
@@ -2,10 +2,9 @@
# Makefile for industrial I/O ADC drivers
#
-ad7606-y := ad7606_core.o
-ad7606-$(CONFIG_IIO_BUFFER) += ad7606_ring.o
-ad7606-$(CONFIG_AD7606_IFACE_PARALLEL) += ad7606_par.o
-ad7606-$(CONFIG_AD7606_IFACE_SPI) += ad7606_spi.o
+ad7606-y := ad7606_core.o ad7606_ring.o
+obj-$(CONFIG_AD7606_IFACE_PARALLEL) += ad7606_par.o
+obj-$(CONFIG_AD7606_IFACE_SPI) += ad7606_spi.o
obj-$(CONFIG_AD7606) += ad7606.o
obj-$(CONFIG_AD7780) += ad7780.o
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index bb40f3728742..92211039ffa9 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -609,7 +609,7 @@ static const struct iio_chan_spec ad7192_channels[] = {
static int ad7192_probe(struct spi_device *spi)
{
- const struct ad7192_platform_data *pdata = spi->dev.platform_data;
+ const struct ad7192_platform_data *pdata = dev_get_platdata(&spi->dev);
struct ad7192_state *st;
struct iio_dev *indio_dev;
int ret, voltage_uv = 0;
diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 35acb1a4669b..f45ebedb7a05 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -833,7 +833,7 @@ static const struct ad7280_platform_data ad7793_default_pdata = {
static int ad7280_probe(struct spi_device *spi)
{
- const struct ad7280_platform_data *pdata = spi->dev.platform_data;
+ const struct ad7280_platform_data *pdata = dev_get_platdata(&spi->dev);
struct ad7280_state *st;
int ret;
const unsigned short tACQ_ns[4] = {465, 1010, 1460, 1890};
diff --git a/drivers/staging/iio/adc/ad7606_core.c b/drivers/staging/iio/adc/ad7606_core.c
index 5796ed2409d0..2c9d8b7de9f5 100644
--- a/drivers/staging/iio/adc/ad7606_core.c
+++ b/drivers/staging/iio/adc/ad7606_core.c
@@ -559,6 +559,7 @@ error_disable_reg:
regulator_disable(st->reg);
return ERR_PTR(ret);
}
+EXPORT_SYMBOL_GPL(ad7606_probe);
int ad7606_remove(struct iio_dev *indio_dev, int irq)
{
@@ -575,6 +576,7 @@ int ad7606_remove(struct iio_dev *indio_dev, int irq)
return 0;
}
+EXPORT_SYMBOL_GPL(ad7606_remove);
void ad7606_suspend(struct iio_dev *indio_dev)
{
@@ -586,6 +588,7 @@ void ad7606_suspend(struct iio_dev *indio_dev)
gpio_set_value(st->pdata->gpio_stby, 0);
}
}
+EXPORT_SYMBOL_GPL(ad7606_suspend);
void ad7606_resume(struct iio_dev *indio_dev)
{
@@ -600,6 +603,7 @@ void ad7606_resume(struct iio_dev *indio_dev)
ad7606_reset(st);
}
}
+EXPORT_SYMBOL_GPL(ad7606_resume);
MODULE_AUTHOR("Michael Hennerich <hennerich@blackfin.uclinux.org>");
MODULE_DESCRIPTION("Analog Devices AD7606 ADC");
diff --git a/drivers/staging/iio/adc/ad7780.c b/drivers/staging/iio/adc/ad7780.c
index 3abc7789237f..1439cfdbb09c 100644
--- a/drivers/staging/iio/adc/ad7780.c
+++ b/drivers/staging/iio/adc/ad7780.c
@@ -15,15 +15,13 @@
#include <linux/regulator/consumer.h>
#include <linux/err.h>
#include <linux/sched.h>
-#include <linux/gpio.h>
+#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/adc/ad_sigma_delta.h>
-#include "ad7780.h"
-
#define AD7780_RDY BIT(7)
#define AD7780_FILTER BIT(6)
#define AD7780_ERR BIT(5)
@@ -42,7 +40,7 @@ struct ad7780_chip_info {
struct ad7780_state {
const struct ad7780_chip_info *chip_info;
struct regulator *reg;
- int powerdown_gpio;
+ struct gpio_desc *powerdown_gpio;
unsigned int gain;
u16 int_vref_mv;
@@ -77,8 +75,7 @@ static int ad7780_set_mode(struct ad_sigma_delta *sigma_delta,
break;
}
- if (gpio_is_valid(st->powerdown_gpio))
- gpio_set_value(st->powerdown_gpio, val);
+ gpiod_set_value(st->powerdown_gpio, val);
return 0;
}
@@ -163,7 +160,6 @@ static const struct iio_info ad7780_info = {
static int ad7780_probe(struct spi_device *spi)
{
- struct ad7780_platform_data *pdata = spi->dev.platform_data;
struct ad7780_state *st;
struct iio_dev *indio_dev;
int ret, voltage_uv = 0;
@@ -189,12 +185,10 @@ static int ad7780_probe(struct spi_device *spi)
st->chip_info =
&ad7780_chip_info_tbl[spi_get_device_id(spi)->driver_data];
- if (pdata && pdata->vref_mv)
- st->int_vref_mv = pdata->vref_mv;
- else if (voltage_uv)
+ if (voltage_uv)
st->int_vref_mv = voltage_uv / 1000;
else
- dev_warn(&spi->dev, "reference voltage unspecified\n");
+ dev_warn(&spi->dev, "Reference voltage unspecified\n");
spi_set_drvdata(spi, indio_dev);
@@ -205,18 +199,14 @@ static int ad7780_probe(struct spi_device *spi)
indio_dev->num_channels = 1;
indio_dev->info = &ad7780_info;
- if (pdata && gpio_is_valid(pdata->gpio_pdrst)) {
- ret = devm_gpio_request_one(&spi->dev,
- pdata->gpio_pdrst,
- GPIOF_OUT_INIT_LOW,
- "AD7780 /PDRST");
- if (ret) {
- dev_err(&spi->dev, "failed to request GPIO PDRST\n");
- goto error_disable_reg;
- }
- st->powerdown_gpio = pdata->gpio_pdrst;
- } else {
- st->powerdown_gpio = -1;
+ st->powerdown_gpio = devm_gpiod_get_optional(&spi->dev,
+ "powerdown",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(st->powerdown_gpio)) {
+ ret = PTR_ERR(st->powerdown_gpio);
+ dev_err(&spi->dev, "Failed to request powerdown GPIO: %d\n",
+ ret);
+ goto error_disable_reg;
}
ret = ad_sd_setup_buffer_and_trigger(indio_dev);
diff --git a/drivers/staging/iio/adc/ad7780.h b/drivers/staging/iio/adc/ad7780.h
deleted file mode 100644
index 67e511c3d6f0..000000000000
--- a/drivers/staging/iio/adc/ad7780.h
+++ /dev/null
@@ -1,30 +0,0 @@
-/*
- * AD7780/AD7781 SPI ADC driver
- *
- * Copyright 2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2.
- */
-#ifndef IIO_ADC_AD7780_H_
-#define IIO_ADC_AD7780_H_
-
-/*
- * TODO: struct ad7780_platform_data needs to go into include/linux/iio
- */
-
-/* NOTE:
- * The AD7780 doesn't feature a dedicated SPI chip select, in addition it
- * features a dual use data out ready DOUT/RDY output.
- * In order to avoid contentions on the SPI bus, it's therefore necessary
- * to use spi bus locking combined with a dedicated GPIO to control the
- * power down reset signal of the AD7780.
- *
- * The DOUT/RDY output must also be wired to an interrupt capable GPIO.
- */
-
-struct ad7780_platform_data {
- u16 vref_mv;
- int gpio_pdrst;
-};
-
-#endif /* IIO_ADC_AD7780_H_ */
diff --git a/drivers/staging/iio/adc/ad7816.c b/drivers/staging/iio/adc/ad7816.c
index c8e156646528..22260512cf01 100644
--- a/drivers/staging/iio/adc/ad7816.c
+++ b/drivers/staging/iio/adc/ad7816.c
@@ -345,7 +345,7 @@ static int ad7816_probe(struct spi_device *spi_dev)
{
struct ad7816_chip_info *chip;
struct iio_dev *indio_dev;
- unsigned short *pins = spi_dev->dev.platform_data;
+ unsigned short *pins = dev_get_platdata(&spi_dev->dev);
int ret = 0;
int i;
diff --git a/drivers/staging/iio/adc/mxs-lradc.c b/drivers/staging/iio/adc/mxs-lradc.c
index d997d9c74ca8..bb1f15224ac8 100644
--- a/drivers/staging/iio/adc/mxs-lradc.c
+++ b/drivers/staging/iio/adc/mxs-lradc.c
@@ -319,12 +319,12 @@ struct mxs_lradc {
#define LRADC_CH_VALUE_OFFSET 0
#define LRADC_DELAY(n) (0xd0 + (0x10 * (n)))
-#define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xff << 24)
+#define LRADC_DELAY_TRIGGER_LRADCS_MASK (0xffUL << 24)
#define LRADC_DELAY_TRIGGER_LRADCS_OFFSET 24
#define LRADC_DELAY_TRIGGER(x) \
(((x) << LRADC_DELAY_TRIGGER_LRADCS_OFFSET) & \
LRADC_DELAY_TRIGGER_LRADCS_MASK)
-#define LRADC_DELAY_KICK (1 << 20)
+#define LRADC_DELAY_KICK BIT(20)
#define LRADC_DELAY_TRIGGER_DELAYS_MASK (0xf << 16)
#define LRADC_DELAY_TRIGGER_DELAYS_OFFSET 16
#define LRADC_DELAY_TRIGGER_DELAYS(x) \
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