[SPARC64]: Detect sun4v early in boot process.

[powerpc.git] / arch / sparc64 / kernel / us2e_cpufreq.c

diff --git a/arch/sparc64/kernel/us2e_cpufreq.c b/arch/sparc64/kernel/us2e_cpufreq.c
index b35dc8d..669fb83 100644 (file)
--- a/arch/sparc64/kernel/us2e_cpufreq.c
+++ b/arch/sparc64/kernel/us2e_cpufreq.c
@@ -346,6 +346,9 @@ static int __init us2e_freq_init(void)
        unsigned long manuf, impl, ver;
        int ret;
 
+       if (tlb_type != spitfire)
+               return -ENODEV;
+
        __asm__("rdpr %%ver, %0" : "=r" (ver));
        manuf = ((ver >> 48) & 0xffff);
        impl  = ((ver >> 32) & 0xffff);