Clean up unused FreeRTOS arch init code/vars (#3092)

Author: earlephilhower

cores/rp2040/sdkoverride/cyw43_arch_freertos.c

@@ -11,7 +11,6 @@
 
 #include "pico/cyw43_arch.h"
 #include "pico/cyw43_driver.h"
-#include "pico/async_context_freertos.h"
 
 #if CYW43_LWIP
 #include "pico/lwip_freertos.h"
@@ -22,42 +21,8 @@
 #include "pico/btstack_cyw43.h"
 #endif
 
-//#if NO_SYS
-//#error example_cyw43_arch_freetos_sys requires NO_SYS=0
-//#endif
-
-static async_context_freertos_t cyw43_async_context_freertos;
-
-#if configSUPPORT_STATIC_ALLOCATION && !CYW43_NO_DEFAULT_TASK_STACK
-static StackType_t cyw43_async_context_freertos_task_stack[CYW43_TASK_STACK_SIZE];
-#endif
-
-async_context_t *cyw43_arch_init_default_async_context(void) {
-    async_context_freertos_config_t config = async_context_freertos_default_config();
-#ifdef CYW43_TASK_PRIORITY
-    config.task_priority = CYW43_TASK_PRIORITY;
-#endif
-#ifdef CYW43_TASK_STACK_SIZE
-    config.task_stack_size = CYW43_TASK_STACK_SIZE;
-#endif
-#if configSUPPORT_STATIC_ALLOCATION && !CYW43_NO_DEFAULT_TASK_STACK
-    config.task_stack = cyw43_async_context_freertos_task_stack;
-#endif
-    if (async_context_freertos_init(&cyw43_async_context_freertos, &config)) {
-        return &cyw43_async_context_freertos.core;
-    }
-    return NULL;
-}
 
 int cyw43_arch_init(void) {
-    //    async_context_t *context = cyw43_arch_async_context();
-    //    if (!context) {
-    //        context = cyw43_arch_init_default_async_context();
-    //        if (!context) {
-    //            return PICO_ERROR_GENERIC;
-    //        }
-    //        cyw43_arch_set_async_context(context);
-    //    }
     async_context_t *context = NULL;
     cyw43_arch_set_async_context(context);
 
@@ -77,24 +42,7 @@ int cyw43_arch_init(void) {
 }
 
 void cyw43_arch_deinit(void) {
-    async_context_t *context = cyw43_arch_async_context();
-#if CYW43_ENABLE_BLUETOOTH
-    btstack_cyw43_deinit(context);
-#endif
-    // there is a bit of a circular dependency here between lwIP and cyw43_driver. We
-    // shut down cyw43_driver first as it has IRQs calling back into lwIP. Also lwIP itself
-    // does not actually get shut down.
-    // todo add a "pause" method to async_context if we need to provide some atomicity (we
-    //      don't want to take the lock as these methods may invoke execute_sync()
-    cyw43_driver_deinit(context);
-#if CYW43_LWIP
-    lwip_freertos_deinit(context);
-#endif
-    // if it is our context, then we de-init it.
-    if (context == &cyw43_async_context_freertos.core) {
-        async_context_deinit(context);
-        cyw43_arch_set_async_context(NULL);
-    }
+    panic("Unsupported");
 }
 
 #endif