Merge branch 'main' into type_hints

1 files changed, 7 insertions, 2 deletions

diff --git a/supervisor/usb.h b/supervisor/usb.h
index 29280c725..2a447c368 100644
--- a/supervisor/usb.h
+++ b/supervisor/usb.h
@@ -29,10 +29,15 @@
 
 #include <stdbool.h>
 
-// Ports must call this as frequently as they can in order to keep the USB connection
-// alive and responsive.
+// Ports must call this as frequently as they can in order to keep the USB
+// connection alive and responsive.  Normally this is called from background
+// tasks after the USB IRQ handler is executed, but in specific circumstances
+// it may be necessary to call it directly.
 void usb_background(void);
 
+// Ports must call this from their particular USB IRQ handler
+void usb_irq_handler(void);
+
 // Only inits the USB peripheral clocks and pins. The peripheral will be initialized by
 // TinyUSB.
 void init_usb_hardware(void);