reset wiznet at network deinitialize adafruit/circuitpython#1800

2 files changed, 6 insertions, 0 deletions

diff --git a/shared-module/network/__init__.c b/shared-module/network/__init__.c
index c5783758d..bf33fef7a 100644
--- a/shared-module/network/__init__.c
+++ b/shared-module/network/__init__.c
@@ -43,6 +43,11 @@ void network_module_init(void) {
 }
 
 void network_module_deinit(void) {
+    for (mp_uint_t i = 0; i < MP_STATE_PORT(mod_network_nic_list).len; i++) {
+        mp_obj_t nic = MP_STATE_PORT(mod_network_nic_list).items[i];
+        mod_network_nic_type_t *nic_type = (mod_network_nic_type_t*)mp_obj_get_type(nic); 
+        if (nic_type->deinit != NULL) nic_type->deinit(nic);
+    }
     mp_obj_list_set_len(&MP_STATE_PORT(mod_network_nic_list), 0);
 }
 
diff --git a/shared-module/network/__init__.h b/shared-module/network/__init__.h
index 00a3c3957..504065979 100644
--- a/shared-module/network/__init__.h
+++ b/shared-module/network/__init__.h
@@ -62,6 +62,7 @@ typedef struct _mod_network_nic_type_t {
     int (*settimeout)(struct _mod_network_socket_obj_t *socket, mp_uint_t timeout_ms, int *_errno);
     int (*ioctl)(struct _mod_network_socket_obj_t *socket, mp_uint_t request, mp_uint_t arg, int *_errno);
     void (*timer_tick)(struct _mod_network_socket_obj_t *socket);
+    void (*deinit)(struct _mod_network_socket_obj_t *socket);
 } mod_network_nic_type_t;
 
 typedef struct _mod_network_socket_obj_t {