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Diffstat (limited to 'arch/powerpc/kernel/setup-common.c')
-rw-r--r--arch/powerpc/kernel/setup-common.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/arch/powerpc/kernel/setup-common.c b/arch/powerpc/kernel/setup-common.c
index 79b7612ac6fa..3cf25c89469d 100644
--- a/arch/powerpc/kernel/setup-common.c
+++ b/arch/powerpc/kernel/setup-common.c
@@ -212,6 +212,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
{
unsigned long cpu_id = (unsigned long)v - 1;
unsigned int pvr;
+ unsigned long proc_freq;
unsigned short maj;
unsigned short min;
@@ -263,12 +264,19 @@ static int show_cpuinfo(struct seq_file *m, void *v)
#endif /* CONFIG_TAU */
/*
- * Assume here that all clock rates are the same in a
- * smp system. -- Cort
+ * Platforms that have variable clock rates, should implement
+ * the method ppc_md.get_proc_freq() that reports the clock
+ * rate of a given cpu. The rest can use ppc_proc_freq to
+ * report the clock rate that is same across all cpus.
*/
- if (ppc_proc_freq)
+ if (ppc_md.get_proc_freq)
+ proc_freq = ppc_md.get_proc_freq(cpu_id);
+ else
+ proc_freq = ppc_proc_freq;
+
+ if (proc_freq)
seq_printf(m, "clock\t\t: %lu.%06luMHz\n",
- ppc_proc_freq / 1000000, ppc_proc_freq % 1000000);
+ proc_freq / 1000000, proc_freq % 1000000);
if (ppc_md.show_percpuinfo != NULL)
ppc_md.show_percpuinfo(m, cpu_id);