This reverts commit 
5bdb102b3f9785cb88467bc7c75fa0f5cacc8dc5.
Brian Norris <computersforpeace@gmail.com> is reporting:
Ralf,
Please revert this and send it to Linus (or else, I can send it myself).
This is causing build failures, because I didn't take the rest of
Simon's series yet.
drivers/mtd/bcm63xxpart.c: In function 'bcm63xx_parse_cfe_partitions':
drivers/mtd/bcm63xxpart.c:93:2: error: implicit declaration of function
'bcm63xx_nvram_get_psi_size' [-Werror=implicit-function-declaration]
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
References: https://www.linux-mips.org/cgi-bin/mesg.cgi?a=linux-mips&i=
20160126191607.GA111152%40google.com
 
 #include <bcm63xx_nvram.h>
 
+#define BCM63XX_DEFAULT_PSI_SIZE       64
+
 static struct bcm963xx_nvram nvram;
 static int mac_addr_used;
 
        return 0;
 }
 EXPORT_SYMBOL(bcm63xx_nvram_get_mac_address);
+
+int bcm63xx_nvram_get_psi_size(void)
+{
+       if (nvram.psi_size > 0)
+               return nvram.psi_size;
+
+       return BCM63XX_DEFAULT_PSI_SIZE;
+}
+EXPORT_SYMBOL(bcm63xx_nvram_get_psi_size);
 
  */
 int bcm63xx_nvram_get_mac_address(u8 *mac);
 
+int bcm63xx_nvram_get_psi_size(void);
+
 #endif /* BCM63XX_NVRAM_H */