[PATCH] revert "s390/net: lcs: use IS_ENABLED() for kconfig detection"

[Randy Dunlap <rdunlap@infradead.org>]

The referenced patch is causing build errors when ETHERNET=y and
FDDI=m. While we work out the preferred patch(es), revert this patch
to make the pain go away.

Fixes: 128272336120 ("s390/net: lcs: use IS_ENABLED() for kconfig detection")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reported-by: kernel test robot <lkp@intel.com>
Link: lore.kernel.org/r/202306202129.pl0AqK8G-lkp@intel.com
Cc: Alexandra Winter <wintera@linux.ibm.com>
Cc: Wenjia Zhang <wenjia@linux.ibm.com>
Cc: linux-s390@vger.kernel.org
Cc: netdev@vger.kernel.org
Cc: Heiko Carstens <hca@linux.ibm.com>
Cc: Vasily Gorbik <gor@linux.ibm.com>
Cc: Alexander Gordeev <agordeev@linux.ibm.com>
Cc: Christian Borntraeger <borntraeger@linux.ibm.com>
Cc: Sven Schnelle <svens@linux.ibm.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Eric Dumazet <edumazet@google.com>
Cc: Jakub Kicinski <kuba@kernel.org>
Cc: Paolo Abeni <pabeni@redhat.com>
---
 drivers/s390/net/lcs.c |   10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff -- a/drivers/s390/net/lcs.c b/drivers/s390/net/lcs.c
--- a/drivers/s390/net/lcs.c
+++ b/drivers/s390/net/lcs.c
@@ -36,7 +36,7 @@
 #include "lcs.h"
 
 
-#if !IS_ENABLED(CONFIG_ETHERNET) && !IS_ENABLED(CONFIG_FDDI)
+#if !defined(CONFIG_ETHERNET) && !defined(CONFIG_FDDI)
 #error Cannot compile lcs.c without some net devices switched on.
 #endif
 
@@ -1601,14 +1601,14 @@ lcs_startlan_auto(struct lcs_card *card)
 	int rc;
 
 	LCS_DBF_TEXT(2, trace, "strtauto");
-#if IS_ENABLED(CONFIG_ETHERNET)
+#ifdef CONFIG_ETHERNET
 	card->lan_type = LCS_FRAME_TYPE_ENET;
 	rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
 	if (rc == 0)
 		return 0;
 
 #endif
-#if IS_ENABLED(CONFIG_FDDI)
+#ifdef CONFIG_FDDI
 	card->lan_type = LCS_FRAME_TYPE_FDDI;
 	rc = lcs_send_startlan(card, LCS_INITIATOR_TCPIP);
 	if (rc == 0)
@@ -2139,13 +2139,13 @@ lcs_new_device(struct ccwgroup_device *c
 		goto netdev_out;
 	}
 	switch (card->lan_type) {
-#if IS_ENABLED(CONFIG_ETHERNET)
+#ifdef CONFIG_ETHERNET
 	case LCS_FRAME_TYPE_ENET:
 		card->lan_type_trans = eth_type_trans;
 		dev = alloc_etherdev(0);
 		break;
 #endif
-#if IS_ENABLED(CONFIG_FDDI)
+#ifdef CONFIG_FDDI
 	case LCS_FRAME_TYPE_FDDI:
 		card->lan_type_trans = fddi_type_trans;
 		dev = alloc_fddidev(0);