14 files changed, 14 insertions(+), 47 deletions(-)

M lib/chibios-contrib
M platforms/chibios/boards/GENERIC_PROMICRO_RP2040/configs/mcuconf.h
M platforms/chibios/boards/GENERIC_RP_RP2040/configs/mcuconf.h
M platforms/chibios/boards/GENERIC_WB32_F3G71XX/board/board.c
M platforms/chibios/boards/GENERIC_WB32_FQ95XX/board/board.c
M platforms/chibios/boards/IC_TEENSY_3_1/board/board.c
M platforms/chibios/boards/PJRC_TEENSY_3_5/board/board.mk
D platforms/chibios/boards/PJRC_TEENSY_3_5/board/extra.c
M platforms/chibios/boards/PJRC_TEENSY_3_6/board/board.mk
D platforms/chibios/boards/PJRC_TEENSY_3_6/board/extra.c
M platforms/chibios/boards/QMK_PM2040/configs/mcuconf.h
M platforms/chibios/suspend.c
M tmk_core/protocol/chibios/chibios.c
M tmk_core/protocol/lufa/lufa.c

@@ 1,1 1,1 @@
-Subproject commit a224be155ae18d38deccf33a6c1d259b9a5ad8d3
+Subproject commit 5d2d95c520a13d2c3e42343f51b18822d63781d6

@@ 106,7 106,6 @@
 #define RP_USB_USE_USBD0                    TRUE
 #define RP_USB_FORCE_VBUS_DETECT            TRUE
 #define RP_USE_EXTERNAL_VBUS_DETECT         FALSE
-#define RP_USB_USE_SOF_INTR                 TRUE
 #define RP_USB_USE_ERROR_DATA_SEQ_INTR      FALSE
 
 #endif /* MCUCONF_H */

@@ 106,7 106,6 @@
 #define RP_USB_USE_USBD0                    TRUE
 #define RP_USB_FORCE_VBUS_DETECT            TRUE
 #define RP_USE_EXTERNAL_VBUS_DETECT         FALSE
-#define RP_USB_USE_SOF_INTR                 TRUE
 #define RP_USB_USE_ERROR_DATA_SEQ_INTR      FALSE
 
 #endif /* MCUCONF_H */

@@ 80,7 80,3 @@ void __early_init(void) {
 void boardInit(void) {
 
 }
-
-void restart_usb_driver(USBDriver *usbp) {
-  // Do nothing. Restarting the USB driver on these boards breaks it.
-}

@@ 80,7 80,3 @@ void __early_init(void) {
 void boardInit(void) {
 
 }
-
-void restart_usb_driver(USBDriver *usbp) {
-  // Do nothing. Restarting the USB driver on these boards breaks it.
-}

@@ 144,8 144,3 @@ void __early_init(void) {
  * @todo    Add your board-specific code, if any.
  */
 void boardInit(void) {}
-
-
-void restart_usb_driver(USBDriver *usbp) {
-    // Do nothing. Restarting the USB driver on these boards breaks it.
-}

@@ 1,7 1,7 @@
 include $(CHIBIOS_CONTRIB)/os/hal/boards/PJRC_TEENSY_3_5/board.mk
 
 # List of all the board related files.
-BOARDSRC += $(BOARD_PATH)/board/extra.c
+BOARDSRC +=
 
 # Required include directories
 BOARDINC += $(BOARD_PATH)/board

@@ 1,7 0,0 @@
-#include <hal.h>
-
-void restart_usb_driver(USBDriver *usbp) {
-    // Do nothing. Restarting the USB driver on the Teensy 3.6 breaks it,
-    // resulting in a keyboard which can wake up a PC from Suspend-to-RAM, but
-    // does not actually produce any keypresses until you un-plug and re-plug.
-}

@@ 1,7 1,7 @@
 include $(CHIBIOS_CONTRIB)/os/hal/boards/PJRC_TEENSY_3_6/board.mk
 
 # List of all the board related files.
-BOARDSRC += $(BOARD_PATH)/board/extra.c
+BOARDSRC +=
 
 # Required include directories
 BOARDINC += $(BOARD_PATH)/board

@@ 1,7 0,0 @@
-#include <hal.h>
-
-void restart_usb_driver(USBDriver *usbp) {
-    // Do nothing. Restarting the USB driver on the Teensy 3.6 breaks it,
-    // resulting in a keyboard which can wake up a PC from Suspend-to-RAM, but
-    // does not actually produce any keypresses until you un-plug and re-plug.
-}

@@ 106,7 106,6 @@
 #define RP_USB_USE_USBD0                    TRUE
 #define RP_USB_FORCE_VBUS_DETECT            TRUE
 #define RP_USE_EXTERNAL_VBUS_DETECT         FALSE
-#define RP_USB_USE_SOF_INTR                 TRUE
 #define RP_USB_USE_ERROR_DATA_SEQ_INTR      FALSE
 
 #endif /* MCUCONF_H */

@@ 42,6 42,7 @@ void suspend_wakeup_init(void) {
     clear_keys();
 #ifdef MOUSEKEY_ENABLE
     mousekey_clear();
+    mousekey_send();
 #endif /* MOUSEKEY_ENABLE */
 #ifdef PROGRAMMABLE_BUTTON_ENABLE
     programmable_button_clear();

@@ 180,28 180,24 @@ void protocol_post_init(void) {
 }
 
 void protocol_pre_task(void) {
-    usb_event_queue_task();
-
 #if !defined(NO_USB_STARTUP_CHECK)
     if (USB_DRIVER.state == USB_SUSPENDED) {
-        print("[s]");
+        dprintln("suspending keyboard");
         while (USB_DRIVER.state == USB_SUSPENDED) {
-            /* Do this in the suspended state */
-            suspend_power_down(); // on AVR this deep sleeps for 15ms
-            /* Remote wakeup */
+            suspend_power_down();
             if ((USB_DRIVER.status & USB_GETSTATUS_REMOTE_WAKEUP_ENABLED) && suspend_wakeup_condition()) {
+                /* issue a remote wakeup event to the host which should resume
+                 * the bus and get our keyboard out of suspension. */
                 usbWakeupHost(&USB_DRIVER);
-                restart_usb_driver(&USB_DRIVER);
             }
         }
-        /* Woken up */
-        // variables has been already cleared by the wakeup hook
-        send_keyboard_report();
-#    ifdef MOUSEKEY_ENABLE
-        mousekey_send();
-#    endif /* MOUSEKEY_ENABLE */
+        /* after a successful wakeup a USB_EVENT_WAKEUP is signaled to QMK by
+         * ChibiOS, which triggers a wakeup callback that restores the state of
+         * the keyboard. Therefore we do nothing here. */
     }
 #endif
+
+    usb_event_queue_task();
 }
 
 void protocol_post_task(void) {

@@ 858,7 858,7 @@ void protocol_post_init(void) {
 void protocol_pre_task(void) {
 #if !defined(NO_USB_STARTUP_CHECK)
     if (USB_DeviceState == DEVICE_STATE_Suspended) {
-        print("[s]");
+        dprintln("suspending keyboard");
         while (USB_DeviceState == DEVICE_STATE_Suspended) {
             suspend_power_down();
             if (USB_Device_RemoteWakeupEnabled && suspend_wakeup_condition()) {