--- zzzz-none-000/linux-3.10.107/drivers/pnp/pnpbios/bioscalls.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/pnp/pnpbios/bioscalls.c	2021-02-04 17:41:59.000000000 +0000
@@ -37,7 +37,7 @@
  * kernel begins at offset 3GB...
  */
 
-asmlinkage void pnp_bios_callfunc(void);
+asmlinkage __visible void pnp_bios_callfunc(void);
 
 __asm__(".text			\n"
 	__ALIGN_STR "\n"