From: Colin Cross <ccross@android.com>
Date: Thu, 30 Dec 2010 04:43:50 +0000 (-0800)
Subject: ARM: tegra: cpufreq: Remove direct calls to localtimer
X-Git-Tag: firefly_0821_release~9833^2~76^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=b27fa20574a6dc91e912c3bdecd41614563c97f4;p=firefly-linux-kernel-4.4.55.git

ARM: tegra: cpufreq: Remove direct calls to localtimer

The localtimer code will use a cpufreq notifier to update
the prescalers.

Change-Id: Ie0587d7eaec628ff11bf40636f78597574cd63ec
Signed-off-by: Colin Cross <ccross@android.com>
---

diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c
index 2d629461a9b8..3b8a6b56783e 100644
--- a/arch/arm/mach-tegra/cpu-tegra.c
+++ b/arch/arm/mach-tegra/cpu-tegra.c
@@ -215,23 +215,6 @@ unsigned int tegra_getspeed(unsigned int cpu)
 	return rate;
 }
 
-#ifdef CONFIG_HAVE_ARM_TWD
-static void tegra_cpufreq_rescale_twd_other_cpu(void *data) {
-	unsigned long new_rate = *(unsigned long *)data;
-	twd_recalc_prescaler(new_rate);
-}
-
-static void tegra_cpufreq_rescale_twds(unsigned long new_rate)
-{
-	twd_recalc_prescaler(new_rate);
-	smp_call_function(tegra_cpufreq_rescale_twd_other_cpu, &new_rate, 1);
-}
-#else
-static inline void tegra_cpufreq_rescale_twds(unsigned long new_rate)
-{
-}
-#endif
-
 static int tegra_update_cpu_speed(unsigned long rate)
 {
 	int ret = 0;
@@ -257,9 +240,6 @@ static int tegra_update_cpu_speed(unsigned long rate)
 	for_each_online_cpu(freqs.cpu)
 		cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
 
-	if (freqs.new > freqs.old)
-		tegra_cpufreq_rescale_twds(freqs.new * 1000);
-
 #ifdef CONFIG_CPU_FREQ_DEBUG
 	printk(KERN_DEBUG "cpufreq-tegra: transition: %u --> %u\n",
 	       freqs.old, freqs.new);
@@ -272,9 +252,6 @@ static int tegra_update_cpu_speed(unsigned long rate)
 		return ret;
 	}
 
-	if (freqs.new < freqs.old)
-		tegra_cpufreq_rescale_twds(freqs.new * 1000);
-
 	for_each_online_cpu(freqs.cpu)
 		cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);