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usb: cdns3: plat: fix unbalanced pm_runtime_forbid() call permanently leaks the runtime PM usage counter across bind/unbind cycles

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Call pm_runtime_allow(dev) conditionally at cdns3_plat_remove.

Fixes: f738957277 ("usb: cdns3: Split core.c into cdns3-plat and core.c file")
Cc: stable <stable@kernel.org>
Reported-by: sashiko-bot <sashiko-bot@kernel.org>
Closes: https://lore.kernel.org/linux-devicetree/agKaEePSFknhDBg2@nchen-desktop/T/#m21e1d9c1574eb127ce03c0c2a1a49002ce435b52
Signed-off-by: Peter Chen <peter.chen@cixtech.com>
Link: https://patch.msgid.link/20260513085310.2217547-3-peter.chen@cixtech.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Peter Chen 2026-05-13 16:53:10 +08:00 committed by Greg Kroah-Hartman
parent e6970cda63
commit ae6f3b8232
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/cdns3/cdns3-plat.c
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@ -186,6 +186,9 @@ static void cdns3_plat_remove(struct platform_device *pdev)
struct device *dev = cdns->dev;
pm_runtime_get_sync(dev);
if (!(cdns->pdata && (cdns->pdata->quirks & CDNS3_DEFAULT_PM_RUNTIME_ALLOW)))
pm_runtime_allow(dev);
pm_runtime_disable(dev);
pm_runtime_put_noidle(dev);
cdns_remove(cdns);