diff options
| author | Peter Chen <peter.chen@freescale.com> | 2015-02-11 07:44:48 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-03-18 18:19:09 +0300 |
| commit | f8efa7665e66c1e92fa10492a243cc0de4437ade (patch) | |
| tree | 853da2f37d53293be53995a9bd1e7c1164553cae /drivers/usb/chipidea/core.c | |
| parent | e14db48dfcf3ab6ebea212e82dc56036a00b0d6b (diff) | |
| download | linux-f8efa7665e66c1e92fa10492a243cc0de4437ade.tar.xz | |
usb: chipidea: add usb as system wakeup source
The USB signal can be system wakeup source, this patch add the
support, for how to enable it, see Documentation/usb/chipidea.txt.
Since USB wakeup enable logic is vendor/platform specific, the
glue layer needs to implement it to support this feature.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/chipidea/core.c')
| -rw-r--r-- | drivers/usb/chipidea/core.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index 63d2b398c9a0..6d9dc2d175eb 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -808,6 +808,8 @@ static int ci_hdrc_probe(struct platform_device *pdev) if (ci_otg_is_fsm_mode(ci)) ci_hdrc_otg_fsm_start(ci); + device_set_wakeup_capable(&pdev->dev, true); + ret = dbg_create_files(ci); if (!ret) return 0; @@ -898,6 +900,11 @@ static int ci_suspend(struct device *dev) return 0; } + if (device_may_wakeup(dev)) { + usb_phy_set_wakeup(ci->usb_phy, true); + enable_irq_wake(ci->irq); + } + ci_controller_suspend(ci); return 0; @@ -908,6 +915,9 @@ static int ci_resume(struct device *dev) struct ci_hdrc *ci = dev_get_drvdata(dev); int ret; + if (device_may_wakeup(dev)) + disable_irq_wake(ci->irq); + ret = ci_controller_resume(dev); if (ret) return ret; |