On Tue, 27 Jan 2015, Peter Chen wrote:
> The gadget power property will be used at get_status request.
>
> Signed-off-by: Peter Chen <[email protected]>
> ---
> drivers/usb/chipidea/udc.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)
>
> diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c
> index 540db0e..45914ba 100644
> --- a/drivers/usb/chipidea/udc.c
> +++ b/drivers/usb/chipidea/udc.c
> @@ -841,6 +841,7 @@ __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->gadget.is_selfpowered << 1;
> } else if ((setup->bRequestType & USB_RECIP_MASK) \
When you add this line, don't you want to remove the comment two lines
above?
Also, you can simplify the code slightly by writing it like this:
*(u16 *) req->buf = (ci->remote_wakeup << 1) |
ci->gadget.is_selfpowered;
Note that is_selfpowered should not be bit-shifted;
USB_DEVICE_SELF_POWERED is 0.
Alan Stern
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