Enable USB as system wakeup source, and each platform needs to implement
imx_usbmisc_set_wakeup in usbmisc_imx.c to support.

Signed-off-by: Peter Chen <[email protected]>
---
 drivers/usb/chipidea/ci_hdrc_imx.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c 
b/drivers/usb/chipidea/ci_hdrc_imx.c
index 5ad85fe..f7f9fd4 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -199,6 +199,8 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
                pm_runtime_enable(&pdev->dev);
        }
 
+       device_set_wakeup_capable(&pdev->dev, true);
+
        return 0;
 
 disable_device:
@@ -270,12 +272,23 @@ clk_disable:
 #ifdef CONFIG_PM_SLEEP
 static int ci_hdrc_imx_suspend(struct device *dev)
 {
+       int ret;
+
        struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
 
        if (data->in_lpm)
                /* The core's suspend doesn't run */
                return 0;
 
+       if (device_may_wakeup(dev)) {
+               ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
+               if (ret) {
+                       dev_err(dev, "usbmisc set_wakeup failed, ret=%d\n",
+                                       ret);
+                       return ret;
+               }
+       }
+
        return imx_controller_suspend(dev);
 }
 
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to