--- zzzz-none-000/linux-3.10.107/drivers/net/wan/Kconfig	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/net/wan/Kconfig	2021-02-04 17:41:59.000000000 +0000
@@ -25,7 +25,7 @@
 # There is no way to detect a comtrol sv11 - force it modular for now.
 config HOSTESS_SV11
 	tristate "Comtrol Hostess SV-11 support"
-	depends on ISA && m && ISA_DMA_API && INET && HDLC
+	depends on ISA && m && ISA_DMA_API && INET && HDLC && VIRT_TO_BUS
 	help
 	  Driver for Comtrol Hostess SV-11 network card which
 	  operates on low speed synchronous serial links at up to
@@ -37,7 +37,7 @@
 # The COSA/SRP driver has not been tested as non-modular yet.
 config COSA
 	tristate "COSA/SRP sync serial boards support"
-	depends on ISA && m && ISA_DMA_API && HDLC
+	depends on ISA && m && ISA_DMA_API && HDLC && VIRT_TO_BUS
 	---help---
 	  Driver for COSA and SRP synchronous serial boards.
 
@@ -87,7 +87,7 @@
 # There is no way to detect a Sealevel board. Force it modular
 config SEALEVEL_4021
 	tristate "Sealevel Systems 4021 support"
-	depends on ISA && m && ISA_DMA_API && INET && HDLC
+	depends on ISA && m && ISA_DMA_API && INET && HDLC && VIRT_TO_BUS
 	help
 	  This is a driver for the Sealevel Systems ACB 56 serial I/O adapter.