aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/iio/adc/envelope-detector.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/iio/adc/envelope-detector.c')
-rw-r--r--drivers/iio/adc/envelope-detector.c21
1 files changed, 7 insertions, 14 deletions
diff --git a/drivers/iio/adc/envelope-detector.c b/drivers/iio/adc/envelope-detector.c
index 28f3d6758eb5..e911c25d106d 100644
--- a/drivers/iio/adc/envelope-detector.c
+++ b/drivers/iio/adc/envelope-detector.c
@@ -31,14 +31,13 @@
#include <linux/err.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/mod_devicetable.h>
#include <linux/mutex.h>
#include <linux/iio/consumer.h>
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
-#include <linux/of.h>
-#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/spinlock.h>
#include <linux/workqueue.h>
@@ -343,18 +342,14 @@ static int envelope_detector_probe(struct platform_device *pdev)
INIT_DELAYED_WORK(&env->comp_timeout, envelope_detector_timeout);
indio_dev->name = dev_name(dev);
- indio_dev->dev.parent = dev;
- indio_dev->dev.of_node = dev->of_node;
indio_dev->info = &envelope_detector_info;
indio_dev->channels = &envelope_detector_iio_channel;
indio_dev->num_channels = 1;
env->dac = devm_iio_channel_get(dev, "dac");
- if (IS_ERR(env->dac)) {
- if (PTR_ERR(env->dac) != -EPROBE_DEFER)
- dev_err(dev, "failed to get dac input channel\n");
- return PTR_ERR(env->dac);
- }
+ if (IS_ERR(env->dac))
+ return dev_err_probe(dev, PTR_ERR(env->dac),
+ "failed to get dac input channel\n");
env->comp_irq = platform_get_irq_byname(pdev, "comp");
if (env->comp_irq < 0)
@@ -362,11 +357,9 @@ static int envelope_detector_probe(struct platform_device *pdev)
ret = devm_request_irq(dev, env->comp_irq, envelope_detector_comp_isr,
0, "envelope-detector", env);
- if (ret) {
- if (ret != -EPROBE_DEFER)
- dev_err(dev, "failed to request interrupt\n");
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to request interrupt\n");
+
env->comp_irq_trigger = irq_get_trigger_type(env->comp_irq);
if (env->comp_irq_trigger & IRQF_TRIGGER_RISING)
env->comp_irq_trigger_inv |= IRQF_TRIGGER_FALLING;