usb: dwc3: omap: don't miss events during suspend/resume
authorRoger Quadros <rogerq@ti.com>
Mon, 22 Jan 2018 13:01:42 +0000 (15:01 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 25 May 2018 14:17:36 +0000 (16:17 +0200)
[ 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>
drivers/usb/dwc3/dwc3-omap.c

index 3530795bbb8f0d7d934cc848d595433f7bd923ad..fdd0d5aa1f5e4d5c7a1a6dd50ea74aab73a6b734 100644 (file)
@@ -590,9 +590,25 @@ 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)