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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 <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Peter Chen 2015-02-11 12:44:49 +08:00 committed by Greg Kroah-Hartman
parent f8efa7665e
commit 6d6531104d
1 changed files with 13 additions and 0 deletions
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13
drivers/usb/chipidea/ci_hdrc_imx.c
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@ -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);
}