If a device supports usb 3.1 SupeerSpeedPlus Gen2 speeds it povides a SuperSpeedPlus device capability descriptor as a part of its BOS descriptor. If we find one while parsing the BOS then save it togeter with the other device capabilities found in the BOS
Signed-off-by: Mathias Nyman <[email protected]> --- drivers/usb/core/config.c | 4 ++++ include/linux/usb.h | 1 + 2 files changed, 5 insertions(+) diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index b9ddf0c..7caff02 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -853,6 +853,10 @@ int usb_get_bos_descriptor(struct usb_device *dev) dev->bos->ss_cap = (struct usb_ss_cap_descriptor *)buffer; break; + case USB_SSP_CAP_TYPE: + dev->bos->ssp_cap = + (struct usb_ssp_cap_descriptor *)buffer; + break; case CONTAINER_ID_TYPE: dev->bos->ss_id = (struct usb_ss_container_id_descriptor *)buffer; diff --git a/include/linux/usb.h b/include/linux/usb.h index 3deccab..4540197 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -326,6 +326,7 @@ struct usb_host_bos { /* wireless cap descriptor is handled by wusb */ struct usb_ext_cap_descriptor *ext_cap; struct usb_ss_cap_descriptor *ss_cap; + struct usb_ssp_cap_descriptor *ssp_cap; struct usb_ss_container_id_descriptor *ss_id; }; -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
