From 6d6531104d20692190690ed73eaaac770c42aa49 Mon Sep 17 00:00:00 2001 From: Peter Chen Date: Wed, 11 Feb 2015 12:44:49 +0800 Subject: usb: chipidea: imx: add usb as system wakeup source 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 Signed-off-by: Greg Kroah-Hartman --- drivers/usb/chipidea/ci_hdrc_imx.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'drivers/usb') 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); } -- cgit v1.1