diff --git a/drivers/net/ethernet/smsc/Kconfig b/drivers/net/ethernet/smsc/Kconfig
index 01893aa..c34f5ac 100644
--- a/drivers/net/ethernet/smsc/Kconfig
+++ b/drivers/net/ethernet/smsc/Kconfig
@@ -29,6 +29,22 @@ config ATARI_ETHERNAT
 	  CT/60 extension port. The driver works by polling instead of
 	  interrupts, so it is quite slow.
 
+	  To compile this driver as a module, choose M here. The module
+	  will be called smc91x.
+
+config ATARI_ETHERNAT_OLD
+	tristate "Atari EtherNAT Ethernet support - obsolete driver"
+	select CRC32
+	select MII
+	depends on ATARI
+	help
+	  Say Y to include support for the EtherNAT network adapter for the
+	  CT/60 extension port. The driver works by polling instead of
+	  interrupts, so it is quite slow.
+
+	  To compile this driver as a module, choose M here. The module
+	  will be called atari_91C111.
+
 config SMC9194
 	tristate "SMC 9194 support"
 	depends on (ISA || MAC && BROKEN)
diff --git a/drivers/net/ethernet/smsc/Makefile b/drivers/net/ethernet/smsc/Makefile
index ef228db..ac30abb 100644
--- a/drivers/net/ethernet/smsc/Makefile
+++ b/drivers/net/ethernet/smsc/Makefile
@@ -2,7 +2,8 @@
 # Makefile for the SMSC network device drivers.
 #
 
-obj-$(CONFIG_ATARI_ETHERNAT) += atari_91C111.o
+obj-$(CONFIG_ATARI_ETHERNAT) += smc91x.o
+obj-$(CONFIG_ATARI_ETHERNAT_OLD) += atari_91C111.o
 obj-$(CONFIG_SMC9194) += smc9194.o
 obj-$(CONFIG_SMC91X) += smc91x.o
 obj-$(CONFIG_PCMCIA_SMC91C92) += smc91c92_cs.o
diff --git a/drivers/net/ethernet/smsc/smc91x.h b/drivers/net/ethernet/smsc/smc91x.h
index 987755c..36c17c1 100644
--- a/drivers/net/ethernet/smsc/smc91x.h
+++ b/drivers/net/ethernet/smsc/smc91x.h
@@ -231,7 +231,7 @@ SMC_outw(u16 val, void __iomem *ioaddr, int reg)
 
 #include <unit/smc91111.h>
 
-#elif defined(CONFIG_ATARI_ETHERNAT) || defined(CONFIG_ATARI_ETHERNAT_MODULE)
+#elif IS_ENABLED(CONFIG_ATARI_ETHERNAT) || IS_ENABLED(CONFIG_ATARI_ETHERNAT_OLD)
 
 #define SMC_CAN_USE_8BIT        1
 #define SMC_CAN_USE_16BIT       1
@@ -1144,7 +1144,7 @@ static const char * chip_ids[ 16 ] =  {
 		}							\
 	} while (0)
 
-#if defined(CONFIG_ATARI_ETHERNAT) || defined(CONFIG_ATARI_ETHERNAT_MODULE)
+#if IS_ENABLED(CONFIG_ATARI_ETHERNAT) || IS_ENABLED(CONFIG_ATARI_ETHERNAT_OLD)
 /*
  * MSch: EtherNAT is 32 bit, so the misaligned data buffer hack applies.
  * This appears to hurt quite a lot ... we actually need to byte swap the