CAVIUM_OCTEON_DCACHE_PREFETCH_WAR is a check for Octeon model CN6XXXX.
By using the version check we can remove the define.
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
 
 void __init prom_free_prom_memory(void)
 {
-       if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR) {
+       if (OCTEON_IS_MODEL(OCTEON_CN6XXX)) {
                /* Check for presence of Core-14449 fix.  */
                u32 insn;
                u32 *foo;
 
 #ifndef __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H
 #define __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H
 
-#define CAVIUM_OCTEON_DCACHE_PREFETCH_WAR      \
-       OCTEON_IS_MODEL(OCTEON_CN6XXX)
-
 #endif /* __ASM_MIPS_MACH_CAVIUM_OCTEON_WAR_H */
 
 void uasm_i_pref(u32 **buf, unsigned int a, signed int b,
                            unsigned int c)
 {
-       if (CAVIUM_OCTEON_DCACHE_PREFETCH_WAR && a <= 24 && a != 5)
+       if (OCTEON_IS_MODEL(OCTEON_CN6XXX) && a <= 24 && a != 5)
                /*
                 * As per erratum Core-14449, replace prefetches 0-4,
                 * 6-24 with 'pref 28'.