From: Yang Yingliang yangyingliang@huawei.com
[ Upstream commit 8ada020ade3bc4125b639a1dca50a6df687dd986 ]
Using devm_add_action_or_reset() to make workqueue device-managed, so it can be destroy whenever the driver is unbound.
Fixes: c297561bc98a ("pinctrl: ocelot: Fix interrupt controller") Signed-off-by: Yang Yingliang yangyingliang@huawei.com Reviewed-by: Horatiu Vultur horatiu.vultur@microchip.com Link: https://lore.kernel.org/r/20220925021258.1492905-1-yangyingliang@huawei.com Signed-off-by: Linus Walleij linus.walleij@linaro.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/pinctrl/pinctrl-ocelot.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index 105771ff82e6..19a61f697e99 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -2046,6 +2046,11 @@ static struct regmap *ocelot_pinctrl_create_pincfg(struct platform_device *pdev, return devm_regmap_init_mmio(&pdev->dev, base, ®map_config); }
+static void ocelot_destroy_workqueue(void *data) +{ + destroy_workqueue(data); +} + static int ocelot_pinctrl_probe(struct platform_device *pdev) { const struct ocelot_match_data *data; @@ -2078,6 +2083,11 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev) if (!info->wq) return -ENOMEM;
+ ret = devm_add_action_or_reset(dev, ocelot_destroy_workqueue, + info->wq); + if (ret) + return ret; + info->pincfg_data = &data->pincfg_data;
reset = devm_reset_control_get_optional_shared(dev, "switch"); @@ -2125,15 +2135,6 @@ static int ocelot_pinctrl_probe(struct platform_device *pdev) return 0; }
-static int ocelot_pinctrl_remove(struct platform_device *pdev) -{ - struct ocelot_pinctrl *info = platform_get_drvdata(pdev); - - destroy_workqueue(info->wq); - - return 0; -} - static struct platform_driver ocelot_pinctrl_driver = { .driver = { .name = "pinctrl-ocelot", @@ -2141,7 +2142,6 @@ static struct platform_driver ocelot_pinctrl_driver = { .suppress_bind_attrs = true, }, .probe = ocelot_pinctrl_probe, - .remove = ocelot_pinctrl_remove, }; module_platform_driver(ocelot_pinctrl_driver); MODULE_LICENSE("Dual MIT/GPL");