treewide: remove support for the legacy USB device stack

Remove support for the deprecated, legacy USB device stack.

Signed-off-by: Henrik Brix Andersen <henrik@brixandersen.dk>

Author: henrikbrixandersen

README.md

@@ -98,10 +98,6 @@ west build -b lpcxpresso55s16/lpc55s16 cannectivity/app/ -- -DFILE_SUFFIX=releas
 
 After building, the firmware can be flashed to the board by running the `west flash` command.
 
-> **Note:** Build configurations for using the legacy USB device stack in Zephyr are also
-> provided. These can be selected by setting either `FILE_SUFFIX=legacy` or
-> `FILE_SUFFIX=legacy_release`.
-
 ## USB Device Firmware Upgrade (DFU) Mode
 
 CANnectivity supports USB Device Firmware Upgrade

app/Kconfig

@@ -67,44 +67,9 @@ config CANNECTIVITY_MAX_CHANNELS
 	  The Linux kernel driver supports up to 3 channels. Other drivers may support just one
 	  channel.
 
-if USB_DEVICE_STACK
-
-configdefault USB_DEVICE_MANUFACTURER
-	default CANNECTIVITY_USB_MANUFACTURER
-
-configdefault USB_DEVICE_PRODUCT
-	default CANNECTIVITY_USB_PRODUCT
-
-configdefault USB_DEVICE_VID
-	default CANNECTIVITY_USB_VID
-
-configdefault USB_DEVICE_PID
-	default CANNECTIVITY_USB_PID
-
-configdefault USB_SELF_POWERED
-	default CANNECTIVITY_USB_SELF_POWERED
-
-configdefault USB_MAX_POWER
-	default CANNECTIVITY_USB_MAX_POWER
-
-configdefault USB_DEVICE_GS_USB_MAX_CHANNELS
-	default CANNECTIVITY_MAX_CHANNELS
-
-configdefault USB_DEVICE_BOS
-	default y
-
-configdefault USB_DEVICE_INITIALIZE_AT_BOOT
-	default n
-
-endif # USB_DEVICE_STACK
-
-if USB_DEVICE_STACK_NEXT
-
 configdefault USBD_GS_USB_MAX_CHANNELS
 	default CANNECTIVITY_MAX_CHANNELS
 
-endif # USB_DEVICE_STACK_NEXT
-
 config CANNECTIVITY_LED
 	bool "LED support"
 	default y
@@ -185,9 +150,8 @@ if CANNECTIVITY_DFU_SUPPORT
 choice CANNECTIVITY_DFU_BACKEND
 	bool "DFU backend"
 	default CANNECTIVITY_DFU_BACKEND_NONE if !BOOTLOADER_MCUBOOT
-	default CANNECTIVITY_DFU_BACKEND_MCUBOOT if BOOTLOADER_MCUBOOT && USB_DEVICE_STACK
 	default CANNECTIVITY_DFU_BACKEND_MCUBOOT if BOOTLOADER_MCUBOOT && MCUBOOT_BOOTLOADER_MODE_SINGLE_APP
-	default CANNECTIVITY_DFU_BACKEND_APP if BOOTLOADER_MCUBOOT && USB_DEVICE_STACK_NEXT
+	default CANNECTIVITY_DFU_BACKEND_APP if BOOTLOADER_MCUBOOT
 
 config CANNECTIVITY_DFU_BACKEND_NONE
 	bool "No backend"
@@ -203,7 +167,7 @@ config CANNECTIVITY_DFU_BACKEND_MCUBOOT
 
 config CANNECTIVITY_DFU_BACKEND_APP
 	bool "Application"
-	depends on BOOTLOADER_MCUBOOT && !MCUBOOT_BOOTLOADER_MODE_SINGLE_APP && USB_DEVICE_STACK_NEXT
+	depends on BOOTLOADER_MCUBOOT && !MCUBOOT_BOOTLOADER_MODE_SINGLE_APP
 	help
 	  Device Firmware Upgrade is handled by the CANnectivity firmware application. The upgrade
 	  process is handled by MCUboot upon reboot.