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Diffstat (limited to 'include/linux/usb/gadget.h')
-rw-r--r--include/linux/usb/gadget.h8
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 */