--- zzzz-none-000/linux-3.10.107/arch/sparc/include/asm/delay_32.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/sparc/include/asm/delay_32.h	2021-02-04 17:41:59.000000000 +0000
@@ -20,8 +20,8 @@
 }
 
 /* This is too messy with inline asm on the Sparc. */
-extern void __udelay(unsigned long usecs, unsigned long lpj);
-extern void __ndelay(unsigned long nsecs, unsigned long lpj);
+void __udelay(unsigned long usecs, unsigned long lpj);
+void __ndelay(unsigned long nsecs, unsigned long lpj);
 
 #ifdef CONFIG_SMP
 #define __udelay_val	cpu_data(smp_processor_id()).udelay_val