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usb: store the new usb 3.1 SuperSpeedPlus device capability descriptor 

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@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Mathias Nyman 2015-10-01 18:40:33 +03:00 committed by Greg Kroah-Hartman
parent 90ec924780
commit 3220befddc
2 changed files with 5 additions and 0 deletions
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4
drivers/usb/core/config.c
View File

@ -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;

1
include/linux/usb.h
View File

@ -328,6 +328,7 @@ 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;
};