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 <peter.chen@xxxxxxxxxxxxx>
---
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
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