| Message ID | 20220925021258.1492905-1-yangyingliang@huawei.com |
|---|---|
| State | New |
| Headers | show |
| Series | [-next,v3] pinctrl: ocelot: add missing destroy_workqueue() in error path in ocelot_pinctrl_probe() | expand |
The 09/25/2022 10:12, Yang Yingliang wrote: > > Using devm_add_action_or_reset() to make workqueue device-managed, so it can be > destroy whenever the driver is unbound. Reviewed-by: Horatiu Vultur <horatiu.vultur@microchip.com> > > Fixes: c297561bc98a ("pinctrl: ocelot: Fix interrupt controller") > Signed-off-by: Yang Yingliang <yangyingliang@huawei.com> > --- > v3: > Using devm_add_action_or_reset(). > > v2: > move alloc_ordered_workqueue() after ocelot_pinctrl_register(). > --- > 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 62ce3957abe4..266fbc957273 100644 > --- a/drivers/pinctrl/pinctrl-ocelot.c > +++ b/drivers/pinctrl/pinctrl-ocelot.c > @@ -2038,6 +2038,11 @@ 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; > @@ -2069,6 +2074,11 @@ 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"); > @@ -2110,15 +2120,6 @@ 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", > @@ -2126,7 +2127,6 @@ 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); > > -- > 2.25.1 >
On Sun, Sep 25, 2022 at 4:06 AM Yang Yingliang <yangyingliang@huawei.com> wrote: > 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> > --- > v3: > Using devm_add_action_or_reset(). Patch applied, after deleting the hunks removing .remove because that was already gone upstream. Yours, Linus Walleij
On Tue, Oct 4, 2022 at 1:46 PM Linus Walleij <linus.walleij@linaro.org> wrote: > On Sun, Sep 25, 2022 at 4:06 AM Yang Yingliang <yangyingliang@huawei.com> wrote: > > > 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> > > --- > > v3: > > Using devm_add_action_or_reset(). > > Patch applied, after deleting the hunks removing .remove because > that was already gone upstream. Ah, the patch introducing that is in the MFD tree is it not? Either ask Lee to apply it or wait until -rc1 it's no big deal anyway. Remind me in two weeks. Yours, Linus Walleij
Hi, On 2022/10/5 3:57, Linus Walleij wrote: > On Tue, Oct 4, 2022 at 1:46 PM Linus Walleij <linus.walleij@linaro.org> wrote: >> On Sun, Sep 25, 2022 at 4:06 AM Yang Yingliang <yangyingliang@huawei.com> wrote: >> >>> 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> >>> --- >>> v3: >>> Using devm_add_action_or_reset(). >> Patch applied, after deleting the hunks removing .remove because >> that was already gone upstream. > Ah, the patch introducing that is in the MFD tree is it not? > > Either ask Lee to apply it or wait until -rc1 it's no big deal > anyway. Remind me in two weeks. It's OK. Thanks, Yang > > Yours, > Linus Walleij > .
On Thu, Oct 6, 2022 at 7:54 AM Yang Yingliang <yangyingliang@huawei.com> wrote: > On 2022/10/5 3:57, Linus Walleij wrote: > > On Tue, Oct 4, 2022 at 1:46 PM Linus Walleij <linus.walleij@linaro.org> wrote: > >> On Sun, Sep 25, 2022 at 4:06 AM Yang Yingliang <yangyingliang@huawei.com> wrote: > >> > >>> 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> > >>> --- > >>> v3: > >>> Using devm_add_action_or_reset(). > >> Patch applied, after deleting the hunks removing .remove because > >> that was already gone upstream. > > Ah, the patch introducing that is in the MFD tree is it not? > > > > Either ask Lee to apply it or wait until -rc1 it's no big deal > > anyway. Remind me in two weeks. > > It's OK. > > Thanks, > Yang I rebased my development on v6.1-rc1 now and applied this patch! Yours, Linus Walleij
diff --git a/drivers/pinctrl/pinctrl-ocelot.c b/drivers/pinctrl/pinctrl-ocelot.c index 62ce3957abe4..266fbc957273 100644 --- a/drivers/pinctrl/pinctrl-ocelot.c +++ b/drivers/pinctrl/pinctrl-ocelot.c @@ -2038,6 +2038,11 @@ 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; @@ -2069,6 +2074,11 @@ 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"); @@ -2110,15 +2120,6 @@ 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", @@ -2126,7 +2127,6 @@ 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);
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> --- v3: Using devm_add_action_or_reset(). v2: move alloc_ordered_workqueue() after ocelot_pinctrl_register(). --- drivers/pinctrl/pinctrl-ocelot.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-)