[SPARC64]: Dont transition in us2e drivers if divisor does not change.

66395803 · David S. Miller · eaff32fc · 66395803
Commit 66395803 authored Apr 02, 2003 by David S. Miller
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arch/sparc64/kernel/us2e_cpufreq.c arch/sparc64/kernel/us2e_cpufreq.c +2 -1

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--- a/arch/sparc64/kernel/us2e_cpufreq.c
+++ b/arch/sparc64/kernel/us2e_cpufreq.c
@@ -256,6 +256,7 @@ static void us2e_set_cpu_divider_index(unsigned int cpu, unsigned int index)
 	freqs.cpu = cpu;
 	cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+	if (old_divisor != divisor)
 		us2e_transition(estar, new_bits, clock_tick, old_divisor, divisor);
 	cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);