From: Heikki Krogerus <heikki.krogerus@linux.intel.com>
To: Joshua Crofts <joshua.crofts1@gmail.com>
Cc: Peter Chen <peter.chen@kernel.org>,
Pawel Laszczak <pawell@cadence.com>,
Roger Quadros <rogerq@kernel.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Mathias Nyman <mathias.nyman@intel.com>,
Chunfeng Yun <chunfeng.yun@mediatek.com>,
Matthias Brugger <matthias.bgg@gmail.com>,
AngeloGioacchino Del Regno
<angelogioacchino.delregno@collabora.com>,
linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-mediatek@lists.infradead.org, stable@vger.kernel.org
Subject: Re: [PATCH 4/6] usb: typec: ucsi: ccg: add missing pm_runtime_dont_use_autosuspend() call
Date: Fri, 18 Sep 2026 12:03:01 +0200 [thread overview]
Message-ID: <aq0MVewexVIdq_qs@black.igk.intel.com> (raw)
In-Reply-To: <20260915090223.1346-5-joshua.crofts1@gmail.com>
On Tue, Sep 15, 2026 at 09:02:21AM +0000, Joshua Crofts wrote:
> ucsi_ccg_remove() disables PM runtime on teardown, but doesn't call
> pm_runtime_dont_use_autosuspend(), causing resource leaks.
>
> Add the missing pm_runtime_dont_use_autosuspend() call.
>
> Found using Coccinelle.
>
> Fixes: a94ecde41f7e ("usb: typec: ucsi: ccg: enable runtime pm support")
> Cc: <stable@vger.kernel.org>
> Signed-off-by: Joshua Crofts <joshua.crofts1@gmail.com>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
> ---
> drivers/usb/typec/ucsi/ucsi_ccg.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/drivers/usb/typec/ucsi/ucsi_ccg.c b/drivers/usb/typec/ucsi/ucsi_ccg.c
> index 91c2958a708c..9d3ebb255de7 100644
> --- a/drivers/usb/typec/ucsi/ucsi_ccg.c
> +++ b/drivers/usb/typec/ucsi/ucsi_ccg.c
> @@ -1519,6 +1519,7 @@ static void ucsi_ccg_remove(struct i2c_client *client)
>
> cancel_work_sync(&uc->pm_work);
> cancel_work_sync(&uc->work);
> + pm_runtime_dont_use_autosuspend(uc->dev);
> pm_runtime_disable(uc->dev);
> ucsi_unregister(uc->ucsi);
> free_irq(uc->irq, uc);
> --
> 2.47.3
--
heikki
next prev parent reply other threads:[~2026-09-18 10:03 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-09-15 9:02 [PATCH 0/6] usb: add missing pm_runtime_dont_use_autosuspend() calls Joshua Crofts
2026-09-15 9:02 ` [PATCH 1/6] usb: core: add missing pm_runtime_dont_use_autosuspend() call Joshua Crofts
2026-09-15 15:02 ` Alan Stern
2026-09-16 8:08 ` Johan Hovold
2026-09-16 8:21 ` Joshua Crofts
2026-09-16 9:14 ` Johan Hovold
2026-09-15 9:02 ` [PATCH 2/6] usb: xhci-mtk: " Joshua Crofts
2026-09-15 9:10 ` AngeloGioacchino Del Regno
2026-09-16 8:16 ` Johan Hovold
2026-09-15 9:02 ` [PATCH 3/6] usb: xhci: add missing pm_runtime_dont_use_autosuspend() calls Joshua Crofts
2026-09-15 9:02 ` [PATCH 4/6] usb: typec: ucsi: ccg: add missing pm_runtime_dont_use_autosuspend() call Joshua Crofts
2026-09-18 10:03 ` Heikki Krogerus [this message]
2026-09-15 9:02 ` [PATCH 5/6] usb: mtu3: add missing pm_runtime_dont_use_autosuspend() calls Joshua Crofts
2026-09-15 9:10 ` AngeloGioacchino Del Regno
2026-09-15 9:02 ` [PATCH 6/6] usb: cdns3: add missing pm_runtime_dont_use_autosuspend() call Joshua Crofts
2026-09-17 2:59 ` Peter Chen
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