diff options
Diffstat (limited to 'drivers/iio/humidity')
| -rw-r--r-- | drivers/iio/humidity/am2315.c | 5 | ||||
| -rw-r--r-- | drivers/iio/humidity/dht11.c | 36 | ||||
| -rw-r--r-- | drivers/iio/humidity/hid-sensor-humidity.c | 13 | ||||
| -rw-r--r-- | drivers/iio/humidity/si7005.c | 5 | ||||
| -rw-r--r-- | drivers/iio/humidity/si7020.c | 10 |
5 files changed, 18 insertions, 51 deletions
diff --git a/drivers/iio/humidity/am2315.c b/drivers/iio/humidity/am2315.c index 7d8669dc6547..f18da7859229 100644 --- a/drivers/iio/humidity/am2315.c +++ b/drivers/iio/humidity/am2315.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /** * Aosong AM2315 relative humidity and temperature * * Copyright (c) 2016, Intel Corporation. * - * This file is subject to the terms and conditions of version 2 of - * the GNU General Public License. See the file COPYING in the main - * directory of this archive for more details. - * * 7-bit I2C address: 0x5C. */ diff --git a/drivers/iio/humidity/dht11.c b/drivers/iio/humidity/dht11.c index c8159205c77d..b459600e1a33 100644 --- a/drivers/iio/humidity/dht11.c +++ b/drivers/iio/humidity/dht11.c @@ -22,8 +22,7 @@ #include <linux/completion.h> #include <linux/mutex.h> #include <linux/delay.h> -#include <linux/gpio.h> -#include <linux/of_gpio.h> +#include <linux/gpio/consumer.h> #include <linux/timekeeping.h> #include <linux/iio/iio.h> @@ -72,7 +71,7 @@ struct dht11 { struct device *dev; - int gpio; + struct gpio_desc *gpiod; int irq; struct completion completion; @@ -149,7 +148,7 @@ static int dht11_decode(struct dht11 *dht11, int offset) return -EIO; } - dht11->timestamp = ktime_get_boot_ns(); + dht11->timestamp = ktime_get_boottime_ns(); if (hum_int < 4) { /* DHT22: 100000 = (3*256+232)*100 */ dht11->temperature = (((temp_int & 0x7f) << 8) + temp_dec) * ((temp_int & 0x80) ? -100 : 100); @@ -177,9 +176,9 @@ static irqreturn_t dht11_handle_irq(int irq, void *data) /* TODO: Consider making the handler safe for IRQ sharing */ if (dht11->num_edges < DHT11_EDGES_PER_READ && dht11->num_edges >= 0) { - dht11->edges[dht11->num_edges].ts = ktime_get_boot_ns(); + dht11->edges[dht11->num_edges].ts = ktime_get_boottime_ns(); dht11->edges[dht11->num_edges++].value = - gpio_get_value(dht11->gpio); + gpiod_get_value(dht11->gpiod); if (dht11->num_edges >= DHT11_EDGES_PER_READ) complete(&dht11->completion); @@ -196,7 +195,7 @@ static int dht11_read_raw(struct iio_dev *iio_dev, int ret, timeres, offset; mutex_lock(&dht11->lock); - if (dht11->timestamp + DHT11_DATA_VALID_TIME < ktime_get_boot_ns()) { + if (dht11->timestamp + DHT11_DATA_VALID_TIME < ktime_get_boottime_ns()) { timeres = ktime_get_resolution_ns(); dev_dbg(dht11->dev, "current timeresolution: %dns\n", timeres); if (timeres > DHT11_MIN_TIMERES) { @@ -217,12 +216,12 @@ static int dht11_read_raw(struct iio_dev *iio_dev, reinit_completion(&dht11->completion); dht11->num_edges = 0; - ret = gpio_direction_output(dht11->gpio, 0); + ret = gpiod_direction_output(dht11->gpiod, 0); if (ret) goto err; usleep_range(DHT11_START_TRANSMISSION_MIN, DHT11_START_TRANSMISSION_MAX); - ret = gpio_direction_input(dht11->gpio); + ret = gpiod_direction_input(dht11->gpiod); if (ret) goto err; @@ -294,10 +293,8 @@ MODULE_DEVICE_TABLE(of, dht11_dt_ids); static int dht11_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; - struct device_node *node = dev->of_node; struct dht11 *dht11; struct iio_dev *iio; - int ret; iio = devm_iio_device_alloc(dev, sizeof(*dht11)); if (!iio) { @@ -307,22 +304,17 @@ static int dht11_probe(struct platform_device *pdev) dht11 = iio_priv(iio); dht11->dev = dev; + dht11->gpiod = devm_gpiod_get(dev, NULL, GPIOD_IN); + if (IS_ERR(dht11->gpiod)) + return PTR_ERR(dht11->gpiod); - ret = of_get_gpio(node, 0); - if (ret < 0) - return ret; - dht11->gpio = ret; - ret = devm_gpio_request_one(dev, dht11->gpio, GPIOF_IN, pdev->name); - if (ret) - return ret; - - dht11->irq = gpio_to_irq(dht11->gpio); + dht11->irq = gpiod_to_irq(dht11->gpiod); if (dht11->irq < 0) { - dev_err(dev, "GPIO %d has no interrupt\n", dht11->gpio); + dev_err(dev, "GPIO %d has no interrupt\n", desc_to_gpio(dht11->gpiod)); return -EINVAL; } - dht11->timestamp = ktime_get_boot_ns() - DHT11_DATA_VALID_TIME - 1; + dht11->timestamp = ktime_get_boottime_ns() - DHT11_DATA_VALID_TIME - 1; dht11->num_edges = -1; platform_set_drvdata(pdev, iio); diff --git a/drivers/iio/humidity/hid-sensor-humidity.c b/drivers/iio/humidity/hid-sensor-humidity.c index 4bc95f31c730..c99b54b0568d 100644 --- a/drivers/iio/humidity/hid-sensor-humidity.c +++ b/drivers/iio/humidity/hid-sensor-humidity.c @@ -1,18 +1,7 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * HID Sensors Driver * Copyright (c) 2017, Intel Corporation. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions of the GNU General Public License, - * version 2, as published by the Free Software Foundation. - * - * This program is distributed in the hope 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. */ #include <linux/device.h> #include <linux/hid-sensor-hub.h> diff --git a/drivers/iio/humidity/si7005.c b/drivers/iio/humidity/si7005.c index 1fd19f035a5d..d5aef0bfef01 100644 --- a/drivers/iio/humidity/si7005.c +++ b/drivers/iio/humidity/si7005.c @@ -1,12 +1,9 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * si7005.c - Support for Silabs Si7005 humidity and temperature sensor * * Copyright (c) 2014 Peter Meerwald <pmeerw@pmeerw.net> * - * This file is subject to the terms and conditions of version 2 of - * the GNU General Public License. See the file COPYING in the main - * directory of this archive for more details. - * * (7-bit I2C slave address 0x40) * * TODO: heater, fast mode, processed mode (temp. / linearity compensation) diff --git a/drivers/iio/humidity/si7020.c b/drivers/iio/humidity/si7020.c index 1b2ec8df1a72..b938f07eed64 100644 --- a/drivers/iio/humidity/si7020.c +++ b/drivers/iio/humidity/si7020.c @@ -1,16 +1,8 @@ +// SPDX-License-Identifier: GPL-2.0-only /* * si7020.c - Silicon Labs Si7013/20/21 Relative Humidity and Temp Sensors * Copyright (c) 2013,2014 Uplogix, Inc. * David Barksdale <dbarksdale@uplogix.com> - * - * This program is free software; you can redistribute it and/or modify it - * under the terms and conditions 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. */ /* |