USB: dwc3: fix runtime pm imbalance on unbind

commit 44d257e9012ee8040e41d224d0e5bfb5ef5427ea upstream.

Make sure to balance the runtime PM usage count on driver unbind by
adding back the pm_runtime_allow() call that had been erroneously
removed.

Fixes: 266d0493900a ("usb: dwc3: core: don't trigger runtime pm when remove driver")
Cc: stable@vger.kernel.org	# 5.9
Cc: Li Jun <jun.li@nxp.com>
Acked-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Signed-off-by: Johan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/20230404072524.19014-3-johan+linaro@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c
index 5058bd8..9f8c988 100644 (file)
--- a/drivers/usb/dwc3/core.c
+++ b/drivers/usb/dwc3/core.c
@@ -1979,6 +1979,7 @@ static int dwc3_remove(struct platform_device *pdev)
        dwc3_core_exit(dwc);
        dwc3_ulpi_exit(dwc);
 
+       pm_runtime_allow(&pdev->dev);
        pm_runtime_disable(&pdev->dev);
        pm_runtime_put_noidle(&pdev->dev);
        pm_runtime_set_suspended(&pdev->dev);