usb: dwc3: omap: don't miss events during suspend/resume

[ Upstream commit c49f63055e252810e5d6c83a4943b18db16b3cd8 ]

The USB cable state can change during suspend/resume
so be sure to check and update the extcon state.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 35b63518baf65eb06ba5fecfc210e04ecab2cb7f..f221cb479e14e78b350c06040b01d88e222aa504 100644 (file)
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -598,9 +598,25 @@ static int dwc3_omap_resume(struct device *dev)
        return 0;
 }
 
+static void dwc3_omap_complete(struct device *dev)
+{
+       struct dwc3_omap        *omap = dev_get_drvdata(dev);
+
+       if (extcon_get_state(omap->edev, EXTCON_USB))
+               dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_VALID);
+       else
+               dwc3_omap_set_mailbox(omap, OMAP_DWC3_VBUS_OFF);
+
+       if (extcon_get_state(omap->edev, EXTCON_USB_HOST))
+               dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_GROUND);
+       else
+               dwc3_omap_set_mailbox(omap, OMAP_DWC3_ID_FLOAT);
+}
+
 static const struct dev_pm_ops dwc3_omap_dev_pm_ops = {
 
        SET_SYSTEM_SLEEP_PM_OPS(dwc3_omap_suspend, dwc3_omap_resume)
+       .complete = dwc3_omap_complete,
 };
 
 #define DEV_PM_OPS     (&dwc3_omap_dev_pm_ops)