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 <mathias.nyman@xxxxxxxxxxxxxxx>
---
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
--
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