diff options
Diffstat (limited to 'include/linux/usb/gadget.h')
| -rw-r--r-- | include/linux/usb/gadget.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/usb/gadget.h b/include/linux/usb/gadget.h index 9411c08a5c7e..6a178177e4c9 100644 --- a/include/linux/usb/gadget.h +++ b/include/linux/usb/gadget.h @@ -42,6 +42,8 @@ struct usb_ep; * @num_mapped_sgs: number of SG entries mapped to DMA (internal) * @length: Length of that data * @stream_id: The stream id, when USB3.0 bulk streams are being used + * @is_last: Indicates if this is the last request of a stream_id before + * switching to a different stream (required for DWC3 controllers). * @no_interrupt: If true, hints that no completion irq is needed. * Helpful sometimes with deep request queues that are handled * directly by DMA controllers. @@ -104,6 +106,7 @@ struct usb_request { unsigned num_mapped_sgs; unsigned stream_id:16; + unsigned is_last:1; unsigned no_interrupt:1; unsigned zero:1; unsigned short_not_ok:1; @@ -373,6 +376,7 @@ struct usb_gadget_ops { * @connected: True if gadget is connected. * @lpm_capable: If the gadget max_speed is FULL or HIGH, this flag * indicates that it supports LPM as per the LPM ECN & errata. + * @irq: the interrupt number for device controller. * * Gadgets have a mostly-portable "gadget driver" implementing device * functions, handling all usb configurations and interfaces. Gadget @@ -427,6 +431,7 @@ struct usb_gadget { unsigned deactivated:1; unsigned connected:1; unsigned lpm_capable:1; + int irq; }; #define work_to_gadget(w) (container_of((w), struct usb_gadget, work)) @@ -773,6 +778,9 @@ struct usb_gadget_string_container { /* put descriptor for string with that id into buf (buflen >= 256) */ int usb_gadget_get_string(const struct usb_gadget_strings *table, int id, u8 *buf); +/* check if the given language identifier is valid */ +bool usb_validate_langid(u16 langid); + /*-------------------------------------------------------------------------*/ /* utility to simplify managing config descriptors */ |