From: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
Move suspend/resume code to common platform code.
Signed-off-by: Dinh Nguyen <dinguyen@xxxxxxxxxxxxxxxxxxxxx>
Acked-by: Paul Zimmerman <paulz@xxxxxxxxxxxx>
---
drivers/usb/dwc2/core.h | 6 ++++++
drivers/usb/dwc2/gadget.c | 4 ++--
drivers/usb/dwc2/platform.c | 23 +++++++++++++++++++++++
3 files changed, 31 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h
index bbb0f52..5bb7e801 100644
--- a/drivers/usb/dwc2/core.h
+++ b/drivers/usb/dwc2/core.h
@@ -964,12 +964,18 @@ extern u16 dwc2_get_otg_version(struct dwc2_hsotg *hsotg);
#if defined(CONFIG_USB_DWC2_PERIPHERAL) || defined(CONFIG_USB_DWC2_DUAL_ROLE)
extern int s3c_hsotg_remove(struct dwc2_hsotg *hsotg);
extern void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2);
+extern int s3c_hsotg_suspend(struct dwc2_hsotg *dwc2);
+extern int s3c_hsotg_resume(struct dwc2_hsotg *dwc2);
extern int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq);
irqreturn_t s3c_hsotg_irq(int irq, void *pw);
#else
static inline void s3c_hsotg_core_init(struct dwc2_hsotg *dwc2) {}
static inline int s3c_hsotg_remove(struct dwc2_hsotg *dwc2)
{ return 0; }
+static inline int s3c_hsotg_suspend(struct dwc2_hsotg *dwc2)
+{ return 0; }
+static inline int s3c_hsotg_resume(struct dwc2_hsotg *dwc2)
+{ return 0; }
static inline int dwc2_gadget_init(struct dwc2_hsotg *hsotg, int irq)
{ return 0; }
static inline irqreturn_t s3c_hsotg_irq(int irq, void *pw)
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index aab1b45..09d591e 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -3552,7 +3552,7 @@ int s3c_hsotg_remove(struct dwc2_hsotg *hsotg)
return 0;
}
-static int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg)
+int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg)
{
unsigned long flags;
int ret = 0;
@@ -3581,7 +3581,7 @@ static int s3c_hsotg_suspend(struct dwc2_hsotg *hsotg)
return ret;
}
-static int s3c_hsotg_resume(struct dwc2_hsotg *hsotg)
+int s3c_hsotg_resume(struct dwc2_hsotg *hsotg)
{
unsigned long flags;
int ret = 0;
diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index 278135d..59265ad 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -206,6 +206,27 @@ static int dwc2_driver_probe(struct platform_device *dev)
return retval;
}
+static int dwc2_suspend(struct platform_device *dev, pm_message_t state)
+{
+ struct dwc2_hsotg *dwc2 = platform_get_drvdata(dev);
+ int ret = 0;
+
+ if (dwc2_is_device_mode(dwc2))
+ ret = s3c_hsotg_suspend(dwc2);
+ return ret;
+}
+
+static int dwc2_resume(struct platform_device *dev)
+{
+ struct dwc2_hsotg *dwc2 = platform_get_drvdata(dev);
+ int ret = 0;
+
+ if (dwc2_is_device_mode(dwc2))
+ ret = s3c_hsotg_resume(dwc2);
+
+ return ret;
+}
+
static struct platform_driver dwc2_platform_driver = {
.driver = {
.name = dwc2_driver_name,
@@ -213,6 +234,8 @@ static struct platform_driver dwc2_platform_driver = {
},
.probe = dwc2_driver_probe,
.remove = dwc2_driver_remove,
+ .suspend = dwc2_suspend,
+ .resume = dwc2_resume,
};
module_platform_driver(dwc2_platform_driver);
--
2.0.3
--
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