--- zzzz-none-000/linux-3.10.107/drivers/media/dvb-frontends/s921.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/dvb-frontends/s921.h	2021-02-04 17:41:59.000000000 +0000
@@ -1,7 +1,7 @@
 /*
  *   Sharp s921 driver
  *
- *   Copyright (C) 2009 Mauro Carvalho Chehab <mchehab@redhat.com>
+ *   Copyright (C) 2009 Mauro Carvalho Chehab
  *   Copyright (C) 2009 Douglas Landgraf <dougsland@redhat.com>
  *
  *   This program is free software; you can redistribute it and/or
@@ -25,7 +25,7 @@
 	u8 demod_address;
 };
 
-#if IS_ENABLED(CONFIG_DVB_S921)
+#if IS_REACHABLE(CONFIG_DVB_S921)
 extern struct dvb_frontend *s921_attach(const struct s921_config *config,
 					   struct i2c_adapter *i2c);
 extern struct i2c_adapter *s921_get_tuner_i2c_adapter(struct dvb_frontend *);
@@ -36,7 +36,7 @@
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
 	return NULL;
 }
-static struct i2c_adapter *
+static inline struct i2c_adapter *
 	s921_get_tuner_i2c_adapter(struct dvb_frontend *fe)
 {
 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);