When slim_register_controller() fails, a pairing PM usage counter increment is needed to keep the counter balanced. Signed-off-by: Dinghao Liu <dinghao.liu@xxxxxxxxxx> --- drivers/slimbus/qcom-ngd-ctrl.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/slimbus/qcom-ngd-ctrl.c b/drivers/slimbus/qcom-ngd-ctrl.c index c054e83ab636..99cf2ab3d862 100644 --- a/drivers/slimbus/qcom-ngd-ctrl.c +++ b/drivers/slimbus/qcom-ngd-ctrl.c @@ -1268,6 +1268,7 @@ static int qcom_slim_ngd_enable(struct qcom_slim_ngd_ctrl *ctrl, bool enable) ret = slim_register_controller(&ctrl->ctrl); if (ret) { dev_err(ctrl->dev, "error adding slim controller\n"); + pm_runtime_get_noresume(ctrl->dev); return ret; } -- 2.17.1