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@xxxxxxxxxxxxxxxxx> --- drivers/platform/x86/gpd-pocket-fan.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/platform/x86/gpd-pocket-fan.c b/drivers/platform/x86/gpd-pocket-fan.c index 5b516e4c2bfb..7a20f68ae206 100644 --- a/drivers/platform/x86/gpd-pocket-fan.c +++ b/drivers/platform/x86/gpd-pocket-fan.c @@ -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, -- 2.25.4 -- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND ~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =]