cpufreq: OMAP: remove loops_per_jiffy recalculate for smp

With ARM smp common code recalculating loops_per_jiffy in a cpufreq
transiton notifier call, the loops_per_jiffy recalculate in omap-cpufreq
driver becomes redundant.  Remove it.

Signed-off-by: Richard Zhao <richard.zhao@freescale.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@ti.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

diff --git a/drivers/cpufreq/omap-cpufreq.c b/drivers/cpufreq/omap-cpufreq.c
index b47034e..6e22f44 100644 (file)
--- a/drivers/cpufreq/omap-cpufreq.c
+++ b/drivers/cpufreq/omap-cpufreq.c
@@ -40,16 +40,6 @@
 /* OPP tolerance in percentage */
 #define        OPP_TOLERANCE   4
 
-#ifdef CONFIG_SMP
-struct lpj_info {
-       unsigned long   ref;
-       unsigned int    freq;
-};
-
-static DEFINE_PER_CPU(struct lpj_info, lpj_ref);
-static struct lpj_info global_lpj_ref;
-#endif
-
 static struct cpufreq_frequency_table *freq_table;
 static atomic_t freq_table_users = ATOMIC_INIT(0);
 static struct clk *mpu_clk;
@@ -161,31 +151,6 @@ static int omap_target(struct cpufreq_policy *policy,
        }
 
        freqs.new = omap_getspeed(policy->cpu);
-#ifdef CONFIG_SMP
-       /*
-        * Note that loops_per_jiffy is not updated on SMP systems in
-        * cpufreq driver. So, update the per-CPU loops_per_jiffy value
-        * on frequency transition. We need to update all dependent CPUs.
-        */
-       for_each_cpu(i, policy->cpus) {
-               struct lpj_info *lpj = &per_cpu(lpj_ref, i);
-               if (!lpj->freq) {
-                       lpj->ref = per_cpu(cpu_data, i).loops_per_jiffy;
-                       lpj->freq = freqs.old;
-               }
-
-               per_cpu(cpu_data, i).loops_per_jiffy =
-                       cpufreq_scale(lpj->ref, lpj->freq, freqs.new);
-       }
-
-       /* And don't forget to adjust the global one */
-       if (!global_lpj_ref.freq) {
-               global_lpj_ref.ref = loops_per_jiffy;
-               global_lpj_ref.freq = freqs.old;
-       }
-       loops_per_jiffy = cpufreq_scale(global_lpj_ref.ref, global_lpj_ref.freq,
-                                       freqs.new);
-#endif
 
 done:
        /* notifiers */