Common pattern of handling deferred probe can be simplified with
dev_err_probe(). Less code and also it prints the error value.
Signed-off-by: Krzysztof Kozlowski <krzk@xxxxxxxxxx>
---
Changes since v1:
1. Wrap dev_err_probe() lines at 100 character
---
drivers/iio/adc/envelope-detector.c | 15 +++++----------
1 file changed, 5 insertions(+), 10 deletions(-)
diff --git a/drivers/iio/adc/envelope-detector.c b/drivers/iio/adc/envelope-detector.c
index 2a4fd3bb64cf..91a7be4a3f1b 100644
--- a/drivers/iio/adc/envelope-detector.c
+++ b/drivers/iio/adc/envelope-detector.c
@@ -348,11 +348,8 @@ static int envelope_detector_probe(struct platform_device *pdev)
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)
@@ -360,11 +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;
--
2.17.1
