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platform/x86: gpd pocket fan: Clean-up by using managed work init

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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>
Link: https://lore.kernel.org/r/aa25a6781ba016772b045cd6e630da8c559a665d.1616506559.git.matti.vaittinen@fi.rohmeurope.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Matti Vaittinen 2021-03-23 15:57:41 +02:00 committed by Greg Kroah-Hartman
parent 96dc2b31ab
commit b82a7b018b
1 changed files with 6 additions and 11 deletions
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17
drivers/platform/x86/gpd-pocket-fan.c
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@ -6,6 +6,7 @@
*/
#include <linux/acpi.h>
#include <linux/devm-helpers.h>
#include <linux/gpio/consumer.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
@ -124,7 +125,7 @@ static void gpd_pocket_fan_force_update(struct gpd_pocket_fan_data *fan)
static int gpd_pocket_fan_probe(struct platform_device *pdev)
{
struct gpd_pocket_fan_data *fan;
int i;
int i, ret;
for (i = 0; i < ARRAY_SIZE(temp_limits); i++) {
if (temp_limits[i] < 20000 || temp_limits[i] > 90000) {
@ -152,7 +153,10 @@ static int gpd_pocket_fan_probe(struct platform_device *pdev)
return -ENOMEM;
fan->dev = &pdev->dev;
INIT_DELAYED_WORK(&fan->work, gpd_pocket_fan_worker);
ret = devm_delayed_work_autocancel(&pdev->dev, &fan->work,
gpd_pocket_fan_worker);
if (ret)
return ret;
/* Note this returns a "weak" reference which we don't need to free */
fan->dts0 = thermal_zone_get_zone_by_name("soc_dts0");
@ -177,14 +181,6 @@ static int gpd_pocket_fan_probe(struct platform_device *pdev)
return 0;
}
static int gpd_pocket_fan_remove(struct platform_device *pdev)
{
struct gpd_pocket_fan_data *fan = platform_get_drvdata(pdev);
cancel_delayed_work_sync(&fan->work);
return 0;
}
#ifdef CONFIG_PM_SLEEP
static int gpd_pocket_fan_suspend(struct device *dev)
{
@ -215,7 +211,6 @@ MODULE_DEVICE_TABLE(acpi, gpd_pocket_fan_acpi_match);
static struct platform_driver gpd_pocket_fan_driver = {
.probe = gpd_pocket_fan_probe,
.remove = gpd_pocket_fan_remove,
.driver = {
.name = "gpd_pocket_fan",
.acpi_match_table = gpd_pocket_fan_acpi_match,