Don't use "cookie" variable/function name

Author: jepler

ports/raspberrypi/audio_dma.c

@@ -400,10 +400,10 @@ uint32_t audio_dma_pause_all(void) {
     return result;
 }
 
-void audio_dma_unpause_cookie(uint32_t cookie) {
+void audio_dma_unpause_mask(uint32_t channel_mask) {
     for (size_t channel = 0; channel < NUM_DMA_CHANNELS; channel++) {
         audio_dma_t *dma = MP_STATE_PORT(playing_audio)[channel];
-        if (dma != NULL && (cookie & (1 << channel))) {
+        if (dma != NULL && (channel_mask & (1 << channel))) {
             audio_dma_resume(dma);
         }
     }

ports/raspberrypi/audio_dma.h

@@ -90,6 +90,6 @@ void audio_dma_resume(audio_dma_t *dma);
 bool audio_dma_get_paused(audio_dma_t *dma);
 
 uint32_t audio_dma_pause_all(void);
-void audio_dma_unpause_cookie(uint32_t cookie);
+void audio_dma_unpause_mask(uint32_t channel_mask);
 
 #endif  // MICROPY_INCLUDED_RASPBERRYPI_AUDIO_DMA_OUT_H

ports/raspberrypi/supervisor/internal_flash.c

@@ -99,11 +99,11 @@ void port_internal_flash_flush(void) {
     // Make sure we don't have an interrupt while we do flash operations.
     common_hal_mcu_disable_interrupts();
     // and audio DMA must be paused as well
-    uint32_t cookie = audio_dma_pause_all();
+    uint32_t channel_mask = audio_dma_pause_all();
     flash_range_erase(CIRCUITPY_CIRCUITPY_DRIVE_START_ADDR + _cache_lba, SECTOR_SIZE);
     flash_range_program(CIRCUITPY_CIRCUITPY_DRIVE_START_ADDR + _cache_lba, _cache, SECTOR_SIZE);
     _cache_lba = NO_CACHE;
-    audio_dma_unpause_cookie(cookie);
+    audio_dma_unpause_mask(channel_mask);
     common_hal_mcu_enable_interrupts();
 }