summaryrefslogtreecommitdiff
path: root/drivers/usb/cdns3/cdns3-plat.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/usb/cdns3/cdns3-plat.c')
-rw-r--r--drivers/usb/cdns3/cdns3-plat.c23
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/usb/cdns3/cdns3-plat.c b/drivers/usb/cdns3/cdns3-plat.c
index 4b18e1c6a4bb..e1deeada425c 100644
--- a/drivers/usb/cdns3/cdns3-plat.c
+++ b/drivers/usb/cdns3/cdns3-plat.c
@@ -19,6 +19,7 @@
#include "core.h"
#include "gadget-export.h"
+#include "drd.h"
static int set_phy_power_on(struct cdns *cdns)
{
@@ -236,6 +237,18 @@ static int cdns3_controller_resume(struct device *dev, pm_message_t msg)
if (!cdns->in_lpm)
return 0;
+ if (cdns_power_is_lost(cdns)) {
+ phy_exit(cdns->usb2_phy);
+ ret = phy_init(cdns->usb2_phy);
+ if (ret)
+ return ret;
+
+ phy_exit(cdns->usb3_phy);
+ ret = phy_init(cdns->usb3_phy);
+ if (ret)
+ return ret;
+ }
+
ret = set_phy_power_on(cdns);
if (ret)
return ret;
@@ -270,10 +283,18 @@ static int cdns3_plat_runtime_resume(struct device *dev)
static int cdns3_plat_suspend(struct device *dev)
{
struct cdns *cdns = dev_get_drvdata(dev);
+ int ret;
cdns_suspend(cdns);
- return cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ ret = cdns3_controller_suspend(dev, PMSG_SUSPEND);
+ if (ret)
+ return ret;
+
+ if (device_may_wakeup(dev) && cdns->wakeup_irq)
+ enable_irq_wake(cdns->wakeup_irq);
+
+ return ret;
}
static int cdns3_plat_resume(struct device *dev)