diff options
| -rw-r--r-- | drivers/usb/core/config.c | 3 | ||||
| -rw-r--r-- | include/linux/usb.h | 1 | ||||
| -rw-r--r-- | include/uapi/linux/usb/ch9.h | 10 |
3 files changed, 14 insertions, 0 deletions
diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 5172bec612eb..b568a1c442ff 100644 --- a/drivers/usb/core/config.c +++ b/drivers/usb/core/config.c @@ -959,6 +959,9 @@ int usb_get_bos_descriptor(struct usb_device *dev) dev->bos->ss_id = (struct usb_ss_container_id_descriptor *)buffer; break; + case USB_PTM_CAP_TYPE: + dev->bos->ptm_cap = + (struct usb_ptm_cap_descriptor *)buffer; default: break; } diff --git a/include/linux/usb.h b/include/linux/usb.h index 8c75af6b7d5b..092b5658b9c3 100644 --- a/include/linux/usb.h +++ b/include/linux/usb.h @@ -330,6 +330,7 @@ struct usb_host_bos { struct usb_ss_cap_descriptor *ss_cap; struct usb_ssp_cap_descriptor *ssp_cap; struct usb_ss_container_id_descriptor *ss_id; + struct usb_ptm_cap_descriptor *ptm_cap; }; int __usb_get_extra_descriptor(char *buffer, unsigned size, diff --git a/include/uapi/linux/usb/ch9.h b/include/uapi/linux/usb/ch9.h index 91ab75c1013c..0ae800f60021 100644 --- a/include/uapi/linux/usb/ch9.h +++ b/include/uapi/linux/usb/ch9.h @@ -895,6 +895,16 @@ struct usb_ssp_cap_descriptor { #define USB_SSP_SUBLINK_SPEED_LSM (0xff << 16) /* Lanespeed mantissa */ } __attribute__((packed)); +/* + * Precision time measurement capability descriptor: advertised by devices and + * hubs that support PTM + */ +#define USB_PTM_CAP_TYPE 0xb +struct usb_ptm_cap_descriptor { + __u8 bLength; + __u8 bDescriptorType; + __u8 bDevCapabilityType; +} __attribute__((packed)); /*-------------------------------------------------------------------------*/ |