On USB_EVENT_ID event the musb glue enables VBUS by calling
omap2430_musb_set_vbus(musb, 1) that sets the session bit, but on
USB_EVENT_NONE reverse action is never made, and that breaks PM.
Disable VBUS on USB_EVENT_NONE to be sure musb session is ended
on cable unplug so that PM works.
Signed-off-by: Grazvydas Ignotas <notasas@xxxxxxxxx>
---
drivers/usb/musb/omap2430.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/drivers/usb/musb/omap2430.c b/drivers/usb/musb/omap2430.c
index 798e029..3551f1a 100644
--- a/drivers/usb/musb/omap2430.c
+++ b/drivers/usb/musb/omap2430.c
@@ -291,6 +291,7 @@ static void omap_musb_set_mailbox(struct omap2430_glue *glue)
musb->xceiv->last_event = USB_EVENT_NONE;
if (musb->gadget_driver) {
+ omap2430_musb_set_vbus(musb, 0);
pm_runtime_mark_last_busy(dev);
pm_runtime_put_autosuspend(dev);
}
--
1.7.9.5
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