--- zzzz-none-000/linux-3.10.107/arch/mips/cavium-octeon/executive/cvmx-spi.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/arch/mips/cavium-octeon/executive/cvmx-spi.c	2021-02-04 17:41:59.000000000 +0000
@@ -177,6 +177,7 @@
 
 	return res;
 }
+EXPORT_SYMBOL_GPL(cvmx_spi_restart_interface);
 
 /**
  * Callback to perform SPI4 reset