[PATCH v2 15/22] usb: dwc2: host: add bus_suspend/bus_resume callback

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



From: Gregory Herrero <gregory.herrero@xxxxxxxxx>

Signed-off-by: Gregory Herrero <gregory.herrero@xxxxxxxxx>
---
 drivers/usb/dwc2/hcd.c | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index 36f0c69..0213763 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -2305,6 +2305,22 @@ static void _dwc2_hcd_stop(struct usb_hcd *hcd)
 	usleep_range(1000, 3000);
 }
 
+static int _dwc2_hcd_suspend(struct usb_hcd *hcd)
+{
+	struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
+
+	hsotg->lx_state = DWC2_L2;
+	return 0;
+}
+
+static int _dwc2_hcd_resume(struct usb_hcd *hcd)
+{
+	struct dwc2_hsotg *hsotg = dwc2_hcd_to_hsotg(hcd);
+
+	hsotg->lx_state = DWC2_L0;
+	return 0;
+}
+
 /* Returns the current frame number */
 static int _dwc2_hcd_get_frame_number(struct usb_hcd *hcd)
 {
@@ -2675,6 +2691,9 @@ static struct hc_driver dwc2_hc_driver = {
 	.hub_status_data = _dwc2_hcd_hub_status_data,
 	.hub_control = _dwc2_hcd_hub_control,
 	.clear_tt_buffer_complete = _dwc2_hcd_clear_tt_buffer_complete,
+
+	.bus_suspend = _dwc2_hcd_suspend,
+	.bus_resume = _dwc2_hcd_resume,
 };
 
 /*
-- 
1.9.1

--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html




[Index of Archives]     [Linux Media]     [Linux Input]     [Linux Audio Users]     [Yosemite News]     [Linux Kernel]     [Linux SCSI]     [Old Linux USB Devel Archive]

  Powered by Linux