all: consolidate gc_sweep_all into mp_deinit.

Signed-off-by: Andrew Leech <andrew.leech@planetinnovation.com.au>

Author: pi-anl

docs/develop/porting.rst

@@ -59,7 +59,6 @@ The basic MicroPython firmware is implemented in the main port file, e.g ``main.
        pyexec_friendly_repl();
 
        // Deinitialise the runtime.
-       gc_sweep_all();
        mp_deinit();
        return 0;
    }

ports/esp32/main.c

@@ -187,8 +187,6 @@ void mp_task(void *pvParameter) {
     mp_usbd_deinit();
     #endif
 
-    gc_sweep_all();
-
     // Free any native code pointers that point to iRAM.
     esp_native_code_free_all();
 

ports/esp8266/main.c

@@ -88,7 +88,7 @@ static void mp_reset(void) {
 }
 
 void soft_reset(void) {
-    gc_sweep_all();
+    mp_deinit();
     mp_hal_stdout_tx_str("MPY: soft reboot\r\n");
     mp_hal_delay_us(10000); // allow UART to flush output
     mp_reset();

ports/mimxrt/main.c

@@ -174,7 +174,6 @@ int main(void) {
         machine_uart_deinit_all();
         machine_pwm_deinit_all();
         soft_timer_deinit();
-        gc_sweep_all();
         mp_deinit();
     }
 

ports/qemu/main.c

@@ -62,7 +62,6 @@ int main(int argc, char **argv) {
 
         mp_printf(&mp_plat_print, "MPY: soft reboot\n");
 
-        gc_sweep_all();
         mp_deinit();
     }
 }

ports/renesas-ra/main.c

@@ -437,7 +437,6 @@ int main(void) {
 
     MICROPY_BOARD_END_SOFT_RESET(&state);
 
-    gc_sweep_all();
     mp_deinit();
 
     goto soft_reset;

ports/rp2/main.c

@@ -245,7 +245,6 @@ int main(int argc, char **argv) {
         // Hook for resetting anything right at the end of a soft reset command.
         MICROPY_BOARD_END_SOFT_RESET();
 
-        gc_sweep_all();
         mp_deinit();
         #if MICROPY_HW_ENABLE_UART_REPL
         setup_default_uart();

ports/samd/main.c

@@ -98,7 +98,6 @@ void samd_main(void) {
         #if MICROPY_HW_ENABLE_USB_RUNTIME_DEVICE
         mp_usbd_deinit();
         #endif
-        gc_sweep_all();
         #if MICROPY_PY_MACHINE_I2C || MICROPY_PY_MACHINE_SPI || MICROPY_PY_MACHINE_UART
         sercom_deinit_all();
         #endif

ports/stm32/main.c

@@ -704,7 +704,6 @@ void stm32_main(uint32_t reset_mode) {
 
     MICROPY_BOARD_END_SOFT_RESET(&state);
 
-    gc_sweep_all();
     mp_deinit();
 
     goto soft_reset;

ports/unix/main.c

@@ -788,10 +788,6 @@ MP_NOINLINE int main_(int argc, char **argv) {
     mp_thread_deinit();
     #endif
 
-    #if defined(MICROPY_UNIX_COVERAGE)
-    gc_sweep_all();
-    #endif
-
     mp_deinit();
 
     #if MICROPY_ENABLE_GC && !defined(NDEBUG)