--- zzzz-none-000/linux-3.10.107/arch/arm/configs/mv78xx0_defconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/arm/configs/mv78xx0_defconfig	2021-02-04 17:41:59.000000000 +0000
@@ -80,7 +80,6 @@
 CONFIG_I2C_CHARDEV=y
 CONFIG_I2C_MV64XXX=y
 CONFIG_USB=y
-CONFIG_USB_DEVICEFS=y
 CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
@@ -133,6 +132,7 @@
 CONFIG_DEBUG_USER=y
 CONFIG_DEBUG_ERRORS=y
 CONFIG_DEBUG_LL=y
+CONFIG_DEBUG_LL_UART_8250=y
 CONFIG_CRYPTO_CBC=m
 CONFIG_CRYPTO_ECB=m
 CONFIG_CRYPTO_PCBC=m