@@ -7,6 +7,7 @@
* Copyright (C) 2018 Stefan Wahren <stefan.wahren@i2se.com>
*/
#include <linux/device.h>
+#include <linux/devm-helpers.h>
#include <linux/err.h>
#include <linux/hwmon.h>
#include <linux/module.h>
@@ -106,6 +107,7 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct rpi_hwmon_data *data;
+ int ret;
data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL);
if (!data)
@@ -119,7 +121,10 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
&rpi_chip_info,
NULL);
- INIT_DELAYED_WORK(&data->get_values_poll_work, get_values_poll);
+ ret = devm_delayed_work_autocancel(dev, &data->get_values_poll_work,
+ get_values_poll);
+ if (ret)
+ return ret;
platform_set_drvdata(pdev, data);
if (!PTR_ERR_OR_ZERO(data->hwmon_dev))
@@ -128,18 +133,8 @@ static int rpi_hwmon_probe(struct platform_device *pdev)
return PTR_ERR_OR_ZERO(data->hwmon_dev);
}
-static int rpi_hwmon_remove(struct platform_device *pdev)
-{
- struct rpi_hwmon_data *data = platform_get_drvdata(pdev);
-
- cancel_delayed_work_sync(&data->get_values_poll_work);
-
- return 0;
-}
-
static struct platform_driver rpi_hwmon_driver = {
.probe = rpi_hwmon_probe,
- .remove = rpi_hwmon_remove,
.driver = {
.name = "raspberrypi-hwmon",
},
Few drivers implement remove call-back only for ensuring a delayed work gets cancelled prior driver removal. Clean-up these by switching to use devm_delayed_work_autocancel() instead. This change is compile-tested only. All testing is appreciated. Signed-off-by: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com> --- drivers/hwmon/raspberrypi-hwmon.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-)