On Mon, 8 Jun 2015 23:01:56 +0800
Li Jun <jun.li@xxxxxxxxxxxxx> wrote:
> From: Macpaul Lin <macpaul@xxxxxxxxx>
>
> OTG 2.0 introduces bcdOTG to identify the OTG and EH supplement release
> number with which the OTG device is compliant, so adds it for
> usb_otg_descriptor.
>
> Signed-off-by: Macpaul Lin <macpaul@xxxxxxxxx>
> Signed-off-by: Li Jun <jun.li@xxxxxxxxxxxxx>
> ---
> include/uapi/linux/usb/ch9.h | 6 +++++-
> 1 file changed, 5 insertions(+), 1 deletion(-)
>
> diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h
> index aa33fd1..ce405fb 100644
> --- a/include/uapi/linux/usb/ch9.h
> +++ b/include/uapi/linux/usb/ch9.h
> @@ -665,13 +665,17 @@ struct usb_qualifier_descriptor {
>
>
> /*-------------------------------------------------------------------------*/
> +struct bcdOTG {
> + __le16 bcdOTG;
> +};
>
> -/* USB_DT_OTG (from OTG 1.0a supplement) */
> +/* USB_DT_OTG */
> struct usb_otg_descriptor {
> __u8 bLength;
> __u8 bDescriptorType;
>
> __u8 bmAttributes; /* support for HNP, SRP, etc */
> + struct bcdOTG otg_rev[0];
why not just __le16 bcdOTG here ?
> } __attribute__ ((packed));
>
> /* from usb_otg_descriptor.bmAttributes */
cheers,
-roger
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