--- zzzz-none-000/linux-3.10.107/arch/powerpc/include/asm/dcr-mmio.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/powerpc/include/asm/dcr-mmio.h	2021-02-04 17:41:59.000000000 +0000
@@ -51,10 +51,6 @@
 	out_be32(host.token + ((host.base + dcr_n) * host.stride), value);
 }
 
-extern u64 of_translate_dcr_address(struct device_node *dev,
-				    unsigned int dcr_n,
-				    unsigned int *stride);
-
 #endif /* __KERNEL__ */
 #endif /* _ASM_POWERPC_DCR_MMIO_H */