change tu_fifo_clear()/tu_edpt_stream_clear() from return bool to void

.gitignore

@@ -30,7 +30,8 @@ settings/
 /examples/*/*/build*
 test_old/
 tests_obsolete/
-_build
+_build/
+build/
 /examples/*/*/ses
 /examples/*/*/ozone
 /examples/obsolete
@@ -47,7 +48,6 @@ cmake-build-*
 sdkconfig
 .PVS-Studio
 .vscode/
-build
 CMakeFiles
 Debug
 RelWithDebInfo

src/class/audio/audio_device.c

@@ -485,7 +485,8 @@ uint16_t tud_audio_n_read(uint8_t func_id, void *buffer, uint16_t bufsize) {
 
 bool tud_audio_n_clear_ep_out_ff(uint8_t func_id) {
   TU_VERIFY(func_id < CFG_TUD_AUDIO && _audiod_fct[func_id].p_desc != NULL);
-  return tu_fifo_clear(&_audiod_fct[func_id].ep_out_ff);
+  tu_fifo_clear(&_audiod_fct[func_id].ep_out_ff);
+  return true;
 }
 
 tu_fifo_t *tud_audio_n_get_ep_out_ff(uint8_t func_id) {
@@ -536,7 +537,8 @@ uint16_t tud_audio_n_write(uint8_t func_id, const void *data, uint16_t len) {
 
 bool tud_audio_n_clear_ep_in_ff(uint8_t func_id) {
   TU_VERIFY(func_id < CFG_TUD_AUDIO && _audiod_fct[func_id].p_desc != NULL);
-  return tu_fifo_clear(&_audiod_fct[func_id].ep_in_ff);
+  tu_fifo_clear(&_audiod_fct[func_id].ep_in_ff);
+  return true;
 }
 
 tu_fifo_t *tud_audio_n_get_ep_in_ff(uint8_t func_id) {

src/class/cdc/cdc_device.c

@@ -244,7 +244,8 @@ uint32_t tud_cdc_n_write_available(uint8_t itf) {
 bool tud_cdc_n_write_clear(uint8_t itf) {
   TU_VERIFY(itf < CFG_TUD_CDC);
   cdcd_interface_t *p_cdc = &_cdcd_itf[itf];
-  return tu_edpt_stream_clear(&p_cdc->stream.tx);
+  tu_edpt_stream_clear(&p_cdc->stream.tx);
+  return true;
 }
 
 //--------------------------------------------------------------------+

src/class/cdc/cdc_host.c

@@ -482,7 +482,8 @@ uint32_t tuh_cdc_write_flush(uint8_t idx) {
 bool tuh_cdc_write_clear(uint8_t idx) {
   cdch_interface_t * p_cdc = get_itf(idx);
   TU_VERIFY(p_cdc);
-  return tu_edpt_stream_clear(&p_cdc->stream.tx);
+  tu_edpt_stream_clear(&p_cdc->stream.tx);
+  return true;
 }
 
 uint32_t tuh_cdc_write_available(uint8_t idx) {
@@ -517,9 +518,9 @@ bool tuh_cdc_read_clear (uint8_t idx) {
   cdch_interface_t * p_cdc = get_itf(idx);
   TU_VERIFY(p_cdc);
 
-  bool ret = tu_edpt_stream_clear(&p_cdc->stream.rx);
+  tu_edpt_stream_clear(&p_cdc->stream.rx);
   (void)tu_edpt_stream_read_xfer(p_cdc->daddr, &p_cdc->stream.rx);
-  return ret;
+  return true;
 }
 
 //--------------------------------------------------------------------+

src/common/tusb_fifo.c

@@ -84,7 +84,7 @@ bool tu_fifo_config(tu_fifo_t *f, void *buffer, uint16_t depth, uint16_t item_si
 }
 
 // clear fifo by resetting read and write indices
-bool tu_fifo_clear(tu_fifo_t *f) {
+void tu_fifo_clear(tu_fifo_t *f) {
   ff_lock(f->mutex_wr);
   ff_lock(f->mutex_rd);
 
@@ -93,7 +93,6 @@ bool tu_fifo_clear(tu_fifo_t *f) {
 
   ff_unlock(f->mutex_wr);
   ff_unlock(f->mutex_rd);
-  return true;
 }
 
 // Change the fifo overwritable mode

src/common/tusb_fifo.h

@@ -158,7 +158,7 @@ typedef enum {
 //--------------------------------------------------------------------+
 bool tu_fifo_config(tu_fifo_t *f, void *buffer, uint16_t depth, uint16_t item_size, bool overwritable);
 bool tu_fifo_set_overwritable(tu_fifo_t *f, bool overwritable);
-bool tu_fifo_clear(tu_fifo_t *f);
+void tu_fifo_clear(tu_fifo_t *f);
 
 #if OSAL_MUTEX_REQUIRED
 TU_ATTR_ALWAYS_INLINE static inline

src/common/tusb_private.h

@@ -108,7 +108,17 @@ bool tu_edpt_stream_init(tu_edpt_stream_t* s, bool is_host, bool is_tx, bool ove
                          void* ff_buf, uint16_t ff_bufsize, uint8_t* ep_buf, uint16_t ep_bufsize);
 
 // Deinit an endpoint stream
-bool tu_edpt_stream_deinit(tu_edpt_stream_t* s);
+TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_deinit(tu_edpt_stream_t *s) {
+  (void)s;
+#if OSAL_MUTEX_REQUIRED
+  if (s->ff.mutex_wr) {
+    osal_mutex_delete(s->ff.mutex_wr);
+  }
+  if (s->ff.mutex_rd) {
+    osal_mutex_delete(s->ff.mutex_rd);
+  }
+#endif
+}
 
 // Open an endpoint stream
 TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_open(tu_edpt_stream_t* s, tusb_desc_endpoint_t const *desc_ep) {
@@ -124,8 +134,8 @@ TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_close(tu_edpt_stream_t*
   s->ep_addr = 0;
 }
 
-TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_stream_clear(tu_edpt_stream_t* s) {
-  return tu_fifo_clear(&s->ff);
+TU_ATTR_ALWAYS_INLINE static inline void tu_edpt_stream_clear(tu_edpt_stream_t *s) {
+  tu_fifo_clear(&s->ff);
 }
 
 TU_ATTR_ALWAYS_INLINE static inline bool tu_edpt_stream_empty(tu_edpt_stream_t *s) {

src/tusb.c

@@ -358,19 +358,6 @@ bool tu_edpt_stream_init(tu_edpt_stream_t* s, bool is_host, bool is_tx, bool ove
   return true;
 }
 
-bool tu_edpt_stream_deinit(tu_edpt_stream_t *s) {
-  (void)s;
-  #if OSAL_MUTEX_REQUIRED
-  if (s->ff.mutex_wr) {
-    osal_mutex_delete(s->ff.mutex_wr);
-  }
-  if (s->ff.mutex_rd) {
-    osal_mutex_delete(s->ff.mutex_rd);
-  }
-  #endif
-  return true;
-}
-
 static bool stream_claim(uint8_t hwid, tu_edpt_stream_t *s) {
   if (s->is_host) {
     #if CFG_TUH_ENABLED