diff options
| author | Peter Chen <peter.chen@freescale.com> | 2015-01-28 09:32:25 +0100 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-01-29 17:32:37 +0100 |
| commit | 1009f9a36d30f87676ede4c69f97a4eb45001f15 (patch) | |
| tree | 335b431b7d9eec0a168db3e487d3cc696faeac36 /drivers/usb/chipidea/udc.c | |
| parent | usb: gadget: introduce is_selfpowered for usb_gadget (diff) | |
| download | linux-1009f9a36d30f87676ede4c69f97a4eb45001f15.tar.xz linux-1009f9a36d30f87676ede4c69f97a4eb45001f15.zip | |
usb: chipidea: udc: add set_selfpowered gaget ops
The gadget power property will be used at get_status request.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/usb/chipidea/udc.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index 4fe18ce3bd5a..ff451048c1ac 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -819,8 +819,8 @@ __acquires(hwep->lock) } if ((setup->bRequestType & USB_RECIP_MASK) == USB_RECIP_DEVICE) { - /* Assume that device is bus powered for now. */ - *(u16 *)req->buf = ci->remote_wakeup << 1; + *(u16 *)req->buf = (ci->remote_wakeup << 1) | + ci->gadget.is_selfpowered; } else if ((setup->bRequestType & USB_RECIP_MASK) \ == USB_RECIP_ENDPOINT) { dir = (le16_to_cpu(setup->wIndex) & USB_ENDPOINT_DIR_MASK) ? @@ -1520,6 +1520,19 @@ static int ci_udc_vbus_draw(struct usb_gadget *_gadget, unsigned ma) return -ENOTSUPP; } +static int ci_udc_selfpowered(struct usb_gadget *_gadget, int is_on) +{ + struct ci_hdrc *ci = container_of(_gadget, struct ci_hdrc, gadget); + struct ci_hw_ep *hwep = ci->ep0in; + unsigned long flags; + + spin_lock_irqsave(hwep->lock, flags); + _gadget->is_selfpowered = (is_on != 0); + spin_unlock_irqrestore(hwep->lock, flags); + + return 0; +} + /* Change Data+ pullup status * this func is used by usb_gadget_connect/disconnet */ @@ -1549,6 +1562,7 @@ static int ci_udc_stop(struct usb_gadget *gadget); static const struct usb_gadget_ops usb_gadget_ops = { .vbus_session = ci_udc_vbus_session, .wakeup = ci_udc_wakeup, + .set_selfpowered = ci_udc_selfpowered, .pullup = ci_udc_pullup, .vbus_draw = ci_udc_vbus_draw, .udc_start = ci_udc_start, |