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path: root/drivers/usb/dwc2/gadget.c
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Diffstat (limited to 'drivers/usb/dwc2/gadget.c')
-rw-r--r--drivers/usb/dwc2/gadget.c24
1 files changed, 23 insertions, 1 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c
index 92ed32ec1607..12b98b466287 100644
--- a/drivers/usb/dwc2/gadget.c
+++ b/drivers/usb/dwc2/gadget.c
@@ -1646,7 +1646,8 @@ static int dwc2_hsotg_process_req_status(struct dwc2_hsotg *hsotg,
switch (ctrl->bRequestType & USB_RECIP_MASK) {
case USB_RECIP_DEVICE:
- status = 1 << USB_DEVICE_SELF_POWERED;
+ status = hsotg->gadget.is_selfpowered <<
+ USB_DEVICE_SELF_POWERED;
status |= hsotg->remote_wakeup_allowed <<
USB_DEVICE_REMOTE_WAKEUP;
reply = cpu_to_le16(status);
@@ -4528,6 +4529,26 @@ static int dwc2_hsotg_gadget_getframe(struct usb_gadget *gadget)
}
/**
+ * dwc2_hsotg_set_selfpowered - set if device is self/bus powered
+ * @gadget: The usb gadget state
+ * @is_selfpowered: Whether the device is self-powered
+ *
+ * Set if the device is self or bus powered.
+ */
+static int dwc2_hsotg_set_selfpowered(struct usb_gadget *gadget,
+ int is_selfpowered)
+{
+ struct dwc2_hsotg *hsotg = to_hsotg(gadget);
+ unsigned long flags;
+
+ spin_lock_irqsave(&hsotg->lock, flags);
+ gadget->is_selfpowered = !!is_selfpowered;
+ spin_unlock_irqrestore(&hsotg->lock, flags);
+
+ return 0;
+}
+
+/**
* dwc2_hsotg_pullup - connect/disconnect the USB PHY
* @gadget: The usb gadget state
* @is_on: Current state of the USB PHY
@@ -4618,6 +4639,7 @@ static int dwc2_hsotg_vbus_draw(struct usb_gadget *gadget, unsigned int mA)
static const struct usb_gadget_ops dwc2_hsotg_gadget_ops = {
.get_frame = dwc2_hsotg_gadget_getframe,
+ .set_selfpowered = dwc2_hsotg_set_selfpowered,
.udc_start = dwc2_hsotg_udc_start,
.udc_stop = dwc2_hsotg_udc_stop,
.pullup = dwc2_hsotg_pullup,