Removing some prior changes

Author: DavePutz

supervisor/background_callback.h

@@ -27,8 +27,6 @@
 #ifndef CIRCUITPY_INCLUDED_SUPERVISOR_BACKGROUND_CALLBACK_H
 #define CIRCUITPY_INCLUDED_SUPERVISOR_BACKGROUND_CALLBACK_H
 
-#include "supervisor/port.h"
-
 /** Background callbacks are a linked list of tasks to call in the background.
  *
  * Include a member of type `background_callback_t` inside an object
@@ -86,6 +84,4 @@ void background_callback_end_critical_section(void);
  */
 void background_callback_gc_collect(void);
 
-uint64_t background_get_ticks(void);
-
 #endif

supervisor/port.h

@@ -69,13 +69,12 @@ uint32_t *port_heap_get_bottom(void);
 // Get heap top address
 uint32_t *port_heap_get_top(void);
 
+supervisor_allocation* port_fixed_heap(void);
+
 // Save and retrieve a word from memory that is preserved over reset. Used for safe mode.
 void port_set_saved_word(uint32_t);
 uint32_t port_get_saved_word(void);
 
-// Used to keep track of last time background was run
-uint64_t get_background_ticks(void);
-
 // Get the raw tick count since start up. A tick is 1/1024 of a second, a common low frequency
 // clock rate. If subticks is not NULL then the port will fill in the number of subticks where each
 // tick is 32 subticks (for a resolution of 1/32768 or 30.5ish microseconds.)