diff --git a/.travis.yml b/.travis.yml
index 97a894ad74..15addc639a 100755
--- a/.travis.yml
+++ b/.travis.yml
@@ -22,10 +22,10 @@ git:
 # just try to make the builds "about equal in run time"
 env:
   - TRAVIS_TESTS="unix docs translations website" TRAVIS_BOARDS="circuitplayground_express mini_sam_m4 grandcentral_m4_express pca10056 pca10059 feather_nrf52840_express makerdiary_nrf52840_mdk makerdiary_nrf52840_mdk_usb_dongle particle_boron particle_argon particle_xenon sparkfun_nrf52840_mini" TRAVIS_SDK=arm:nrf
-  - TRAVIS_BOARDS="metro_m0_express metro_m4_express metro_m4_airlift_lite pirkey_m0 trellis_m4_express trinket_m0 sparkfun_lumidrive sparkfun_redboard_turbo pybadge" TRAVIS_SDK=arm
+  - TRAVIS_BOARDS="metro_m0_express metro_m4_express metro_m4_airlift_lite pirkey_m0 trellis_m4_express trinket_m0 sparkfun_lumidrive sparkfun_redboard_turbo" TRAVIS_SDK=arm
   - TRAVIS_BOARDS="feather_radiofruit_zigbee gemma_m0 hallowing_m0_express itsybitsy_m0_express itsybitsy_m4_express meowmeow sam32 uchip" TRAVIS_SDK=arm
   - TRAVIS_BOARDS="feather_m0_express_crickit feather_m0_rfm69 feather_m0_rfm9x feather_m4_express arduino_zero arduino_mkr1300 arduino_mkrzero pewpew10" TRAVIS_SDK=arm
-  - TRAVIS_BOARDS="circuitplayground_express_crickit feather_m0_adalogger feather_m0_basic feather_m0_express catwan_usbstick pyportal sparkfun_samd21_mini sparkfun_samd21_dev" TRAVIS_SDK=arm
+  - TRAVIS_BOARDS="circuitplayground_express_crickit feather_m0_adalogger feather_m0_basic feather_m0_express catwan_usbstick pyportal sparkfun_samd21_mini sparkfun_samd21_dev pybadge" TRAVIS_SDK=arm
 
 addons:
   artifacts:
diff --git a/lib/tinyusb b/lib/tinyusb
index 547cc045fa..0848c462b3 160000
--- a/lib/tinyusb
+++ b/lib/tinyusb
@@ -1 +1 @@
-Subproject commit 547cc045fa1d8862e7e00c1d7b4a0026531d0098
+Subproject commit 0848c462b3e431a9da42e96537d2b597a4579636
diff --git a/ports/atmel-samd/boards/sparkfun_lumidrive/mpconfigboard.mk b/ports/atmel-samd/boards/sparkfun_lumidrive/mpconfigboard.mk
index bd8fa17e9d..a24d08ac9f 100755
--- a/ports/atmel-samd/boards/sparkfun_lumidrive/mpconfigboard.mk
+++ b/ports/atmel-samd/boards/sparkfun_lumidrive/mpconfigboard.mk
@@ -10,8 +10,10 @@ LONGINT_IMPL = MPZ
 CHIP_VARIANT = SAMD21G18A
 CHIP_FAMILY = samd21
 
+# Make room for frozen libraries.
+CFLAGS_INLINE_LIMIT = 65
+
 EXTERNAL_FLASH_DEVICE_COUNT = 1
 EXTERNAL_FLASH_DEVICES = "W25Q32FV"
 
 FROZEN_MPY_DIRS += $(TOP)/frozen/Adafruit_CircuitPython_DotStar
-
diff --git a/supervisor/shared/serial.c b/supervisor/shared/serial.c
index ed210416fe..a61899576f 100644
--- a/supervisor/shared/serial.c
+++ b/supervisor/shared/serial.c
@@ -52,15 +52,13 @@ bool serial_bytes_available(void) {
 }
 
 void serial_write_substring(const char* text, uint32_t length) {
-    #if CIRCUITPY_DISPLAYIO
+#if CIRCUITPY_DISPLAYIO
     int errcode;
     common_hal_terminalio_terminal_write(&supervisor_terminal, (const uint8_t*) text, length, &errcode);
-    #endif
-    if (!tud_cdc_connected()) {
-        return;
-    }
+#endif
+
     uint32_t count = 0;
-    while (count < length) {
+    while (count < length && tud_cdc_connected()) {
         count += tud_cdc_write(text + count, length - count);
         usb_background();
     }
diff --git a/supervisor/shared/usb/usb.c b/supervisor/shared/usb/usb.c
index c77f1e417c..02a5da6c55 100644
--- a/supervisor/shared/usb/usb.c
+++ b/supervisor/shared/usb/usb.c
@@ -92,13 +92,15 @@ void tud_mount_cb(void) {
 void tud_umount_cb(void) {
 }
 
-uint32_t tusb_hal_millis(void) {
-    uint64_t ms;
-    uint32_t us;
-    current_tick(&ms, &us);
-    return (uint32_t) ms;
+// Invoked when usb bus is suspended
+// remote_wakeup_en : if host allows us to perform remote wakeup
+// USB Specs: Within 7ms, device must draw an average current less than 2.5 mA from bus
+void tud_suspend_cb(bool remote_wakeup_en) {
 }
 
+// Invoked when usb bus is resumed
+void tud_resume_cb(void) {
+}
 
 // Invoked when cdc when line state changed e.g connected/disconnected
 // Use to reset to DFU when disconnect with 1200 bps
diff --git a/tools/usb_descriptor b/tools/usb_descriptor
index e2e79566a8..dac9689e27 160000
--- a/tools/usb_descriptor
+++ b/tools/usb_descriptor
@@ -1 +1 @@
-Subproject commit e2e79566a807b7230dddbc53a103c19b2f65e2cb
+Subproject commit dac9689e274844294bbe4fd1b78defff9ff27533