Re: [PATCH] usb: typec: anx7411 - stop the IRQ before destroying the workqueue
From: Heikki Krogerus
Date: Mon Sep 07 2026 - 07:07:43 EST
On Thu, Sep 03, 2026 at 04:22:54PM +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")
> Signed-off-by: Linkai Gong <gonglinkai@xxxxxxxxxx>
> ---
> 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);
> + }
Is the workqueu necessary at all? It's threaded irq.
Thanks,
> i2c_unregister_device(plat->spi_client);
>
> --
> 2.25.1
--
heikki