lkml.org 
[lkml]   [2023]   [Jan]   [13]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH v1 1/1] iio: chemical: scd30_core: Switch to use dev_err_probe()
Date
Switch to use dev_err_probe() to simplify the error paths and
unify message template.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/iio/chemical/scd30_core.c | 40 +++++++++++--------------------
1 file changed, 14 insertions(+), 26 deletions(-)

diff --git a/drivers/iio/chemical/scd30_core.c b/drivers/iio/chemical/scd30_core.c
index e0bb1dd5e790..7be5a45cf71a 100644
--- a/drivers/iio/chemical/scd30_core.c
+++ b/drivers/iio/chemical/scd30_core.c
@@ -642,10 +642,8 @@ static int scd30_setup_trigger(struct iio_dev *indio_dev)

trig = devm_iio_trigger_alloc(dev, "%s-dev%d", indio_dev->name,
iio_device_id(indio_dev));
- if (!trig) {
- dev_err(dev, "failed to allocate trigger\n");
- return -ENOMEM;
- }
+ if (!trig)
+ return dev_err_probe(dev, -ENOMEM, "failed to allocate trigger\n");

trig->ops = &scd30_trigger_ops;
iio_trigger_set_drvdata(trig, indio_dev);
@@ -667,9 +665,9 @@ static int scd30_setup_trigger(struct iio_dev *indio_dev)
IRQF_NO_AUTOEN,
indio_dev->name, indio_dev);
if (ret)
- dev_err(dev, "failed to request irq\n");
+ return dev_err_probe(dev, ret, "failed to request irq\n");

- return ret;
+ return 0;
}

int scd30_probe(struct device *dev, int irq, const char *name, void *priv,
@@ -717,17 +715,13 @@ int scd30_probe(struct device *dev, int irq, const char *name, void *priv,
return ret;

ret = scd30_reset(state);
- if (ret) {
- dev_err(dev, "failed to reset device: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to reset device\n");

if (state->irq > 0) {
ret = scd30_setup_trigger(indio_dev);
- if (ret) {
- dev_err(dev, "failed to setup trigger: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to setup trigger\n");
}

ret = devm_iio_triggered_buffer_setup(dev, indio_dev, NULL, scd30_trigger_handler, NULL);
@@ -735,23 +729,17 @@ int scd30_probe(struct device *dev, int irq, const char *name, void *priv,
return ret;

ret = scd30_command_read(state, CMD_FW_VERSION, &val);
- if (ret) {
- dev_err(dev, "failed to read firmware version: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to read firmware version\n");
dev_info(dev, "firmware version: %d.%d\n", val >> 8, (char)val);

ret = scd30_command_write(state, CMD_MEAS_INTERVAL, state->meas_interval);
- if (ret) {
- dev_err(dev, "failed to set measurement interval: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to set measurement interval\n");

ret = scd30_command_write(state, CMD_START_MEAS, state->pressure_comp);
- if (ret) {
- dev_err(dev, "failed to start measurement: %d\n", ret);
- return ret;
- }
+ if (ret)
+ return dev_err_probe(dev, ret, "failed to start measurement\n");

ret = devm_add_action_or_reset(dev, scd30_stop_meas, state);
if (ret)
--
2.39.0
\
 
 \ /
  Last update: 2023-03-26 23:39    [W:1.062 / U:0.236 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site