[Patch v2 06/10] usb: chipidea: imx: call set_wakeup when necessary

[Peter Chen]

- Disable wakeup after probe
- Enable wakeup during the suspend
- Disable wakeup after controller is active

Signed-off-by: Peter Chen <peter.c...@freescale.com>
---
 drivers/usb/chipidea/ci_hdrc_imx.c |   36 ++++++++++++++++++++++++++++++++++++
 1 files changed, 36 insertions(+), 0 deletions(-)

diff --git a/drivers/usb/chipidea/ci_hdrc_imx.c 
b/drivers/usb/chipidea/ci_hdrc_imx.c
index a1e5634..2a14152 100644
--- a/drivers/usb/chipidea/ci_hdrc_imx.c
+++ b/drivers/usb/chipidea/ci_hdrc_imx.c
@@ -152,6 +152,15 @@ static int ci_hdrc_imx_probe(struct platform_device *pdev)
                }
        }
 
+       if (data->usbmisc_data) {
+               ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false);
+               if (ret) {
+                       dev_err(&pdev->dev, "usbmisc set_wakeup failed, 
ret=%d\n",
+                                       ret);
+                       goto disable_device;
+               }
+       }
+
        platform_set_drvdata(pdev, data);
 
        device_set_wakeup_capable(&pdev->dev, true);
@@ -189,12 +198,23 @@ static int ci_hdrc_imx_remove(struct platform_device 
*pdev)
 static int imx_controller_suspend(struct device *dev)
 {
        struct ci_hdrc_imx_data *data = dev_get_drvdata(dev);
+       int ret;
 
        dev_dbg(dev, "at %s\n", __func__);
 
        if (data->in_lpm)
                return 0;
 
+       if (data->usbmisc_data) {
+               ret = imx_usbmisc_set_wakeup(data->usbmisc_data, true);
+               if (ret) {
+                       dev_err(dev,
+                               "usbmisc set_wakeup failed, ret=%d\n",
+                               ret);
+                       return ret;
+               }
+       }
+
        clk_disable_unprepare(data->clk);
 
        data->in_lpm = true;
@@ -218,6 +238,22 @@ static int imx_controller_resume(struct device *dev)
 
        data->in_lpm = false;
 
+       if (data->usbmisc_data) {
+               ret = imx_usbmisc_set_wakeup(data->usbmisc_data, false);
+               if (ret) {
+                       dev_err(dev,
+                               "usbmisc set_wakeup failed, ret=%d\n",
+                               ret);
+                       ret = -EINVAL;
+                       goto clk_disable;
+               }
+       }
+
+       return 0;
+
+clk_disable:
+       clk_disable_unprepare(data->clk);
+
        return ret;
 }
 
-- 
1.7.1


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