Re: [PATCH v2] usb: typec: anx7411 - stop the IRQ before destroying the workqueue

From: Heikki Krogerus

Date: Wed Sep 09 2026 - 12:38:34 EST


On Tue, Sep 08, 2026 at 02:03:33PM +0800, Linkai Gong wrote:
> The IRQ is devm-managed, so it can still queue plat->work while
> remove() is tearing the queue down. Disable it first.
>
> Fixes: fe6d8a9c8e64 ("usb: typec: anx7411: Add Analogix PD ANX7411 support")

Not for stable?

> Signed-off-by: Linkai Gong <gonglinkai@xxxxxxxxxx>
> ---
> v2:
> - keep the minimal remove() race fix; drop the workqueue later if wanted

I don't see any difference compared to v1?

thanks,

> drivers/usb/typec/anx7411.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/usb/typec/anx7411.c b/drivers/usb/typec/anx7411.c
> index 41df115912b9..c3d36da692e4 100644
> --- a/drivers/usb/typec/anx7411.c
> +++ b/drivers/usb/typec/anx7411.c
> @@ -1566,8 +1566,11 @@ static void anx7411_i2c_remove(struct i2c_client *client)
> anx7411_partner_unregister_altmode(plat);
> anx7411_unregister_partner(plat);
>
> - if (plat->workqueue)
> + if (plat->workqueue) {
> + disable_irq(plat->intp_irq);
> + cancel_work_sync(&plat->work);
> destroy_workqueue(plat->workqueue);
> + }
>
> i2c_unregister_device(plat->spi_client);
>
> --
> 2.25.1

--
heikki