At OTG work running time, it's possible that several events need to be addressed (e.g. ID and VBUS events). The current implementation handles only one event at a time which leads to ignoring the other one. Fix it. Signed-off-by: Loic Poulain <loic.poulain@xxxxxxxxxx> --- drivers/usb/chipidea/otg.c | 9 ++++++--- 1 file changed, 6 insertions(+), 3 deletions(-) diff --git a/drivers/usb/chipidea/otg.c b/drivers/usb/chipidea/otg.c index db4ceff..f25d482 100644 --- a/drivers/usb/chipidea/otg.c +++ b/drivers/usb/chipidea/otg.c @@ -203,14 +203,17 @@ static void ci_otg_work(struct work_struct *work) } pm_runtime_get_sync(ci->dev); + if (ci->id_event) { ci->id_event = false; ci_handle_id_switch(ci); - } else if (ci->b_sess_valid_event) { + } + + if (ci->b_sess_valid_event) { ci->b_sess_valid_event = false; ci_handle_vbus_change(ci); - } else - dev_err(ci->dev, "unexpected event occurs at %s\n", __func__); + } + pm_runtime_put_sync(ci->dev); enable_irq(ci->irq); -- 2.7.4