[v3,4/6] usb: chipidea: Fix otg event handler
From: Loic Poulain <hidden>
Date: 2018-09-04 15:18:58
Subsystem:
chipidea usb high speed dual role controller, the rest, usb subsystem · Maintainers:
Peter Chen, Linus Torvalds, Greg Kroah-Hartman
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 <redacted> --- v2: v3: no change 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);