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-rw-r--r--include/linux/usb.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/usb.h b/include/linux/usb.h
index b55600a1edc3..6b7ec376fb4d 100644
--- a/include/linux/usb.h
+++ b/include/linux/usb.h
@@ -57,6 +57,7 @@ struct ep_device;
57 * @extra: descriptors following this endpoint in the configuration 57 * @extra: descriptors following this endpoint in the configuration
58 * @extralen: how many bytes of "extra" are valid 58 * @extralen: how many bytes of "extra" are valid
59 * @enabled: URBs may be submitted to this endpoint 59 * @enabled: URBs may be submitted to this endpoint
60 * @streams: number of USB-3 streams allocated on the endpoint
60 * 61 *
61 * USB requests are always queued to a given endpoint, identified by a 62 * USB requests are always queued to a given endpoint, identified by a
62 * descriptor within an active interface in a given USB configuration. 63 * descriptor within an active interface in a given USB configuration.
@@ -71,6 +72,7 @@ struct usb_host_endpoint {
71 unsigned char *extra; /* Extra descriptors */ 72 unsigned char *extra; /* Extra descriptors */
72 int extralen; 73 int extralen;
73 int enabled; 74 int enabled;
75 int streams;
74}; 76};
75 77
76/* host-side wrapper for one interface setting's parsed descriptors */ 78/* host-side wrapper for one interface setting's parsed descriptors */
@@ -202,6 +204,8 @@ static inline void usb_set_intfdata(struct usb_interface *intf, void *data)
202struct usb_interface *usb_get_intf(struct usb_interface *intf); 204struct usb_interface *usb_get_intf(struct usb_interface *intf);
203void usb_put_intf(struct usb_interface *intf); 205void usb_put_intf(struct usb_interface *intf);
204 206
207/* Hard limit */
208#define USB_MAXENDPOINTS 30
205/* this maximum is arbitrary */ 209/* this maximum is arbitrary */
206#define USB_MAXINTERFACES 32 210#define USB_MAXINTERFACES 32
207#define USB_MAXIADS (USB_MAXINTERFACES/2) 211#define USB_MAXIADS (USB_MAXINTERFACES/2)