From b6cc102522fececf5987c4b38ebc45c56ccd15b3 Mon Sep 17 00:00:00 2001 From: Alex Frid Date: Fri, 22 Apr 2011 19:41:41 -0700 Subject: ARM: tegra: clock: Clip Tegra3 CPU mode rate limits Made sure Tegra3 LP CPU mode maximum rate, and G CPU mode minimum rate are clipped to the entries in cpufreq scaling table. Original-Change-Id: I4c82b65be3a8680edbb501041a7158d1a7fbbd07 Reviewed-on: http://git-master/r/29703 Reviewed-by: Varun Colbert Tested-by: Varun Colbert Rebase-Id: R99b548e992c80e4850e6d7f9443db8f7d7134956 --- arch/arm/mach-tegra/cpu-tegra3.c | 8 ++------ 1 file changed, 2 insertions(+), 6 deletions(-) (limited to 'arch/arm/mach-tegra/cpu-tegra3.c') diff --git a/arch/arm/mach-tegra/cpu-tegra3.c b/arch/arm/mach-tegra/cpu-tegra3.c index acd6889e54f7..84ddc4ffb626 100644 --- a/arch/arm/mach-tegra/cpu-tegra3.c +++ b/arch/arm/mach-tegra/cpu-tegra3.c @@ -37,7 +37,6 @@ #include "clock.h" #define INITIAL_STATE TEGRA_HP_DISABLED -#define IDLE_HYSTERESIS 100000 #define UP2G0_DELAY_MS 200 #define UP2Gn_DELAY_MS 1000 #define DOWN_DELAY_MS 2000 @@ -62,8 +61,6 @@ static unsigned int idle_bottom_freq; module_param(idle_top_freq, uint, 0644); module_param(idle_bottom_freq, uint, 0644); -static unsigned int lpcpu_max_freq; - static struct clk *cpu_clk; static struct clk *cpu_g_clk; static struct clk *cpu_lp_clk; @@ -340,9 +337,8 @@ int tegra_auto_hotplug_init(struct mutex *cpu_lock) if (IS_ERR(cpu_clk) || IS_ERR(cpu_g_clk) || IS_ERR(cpu_lp_clk)) return -ENOENT; - lpcpu_max_freq = clk_get_max_rate(cpu_lp_clk) / 1000; - idle_top_freq = lpcpu_max_freq; - idle_bottom_freq = idle_top_freq - IDLE_HYSTERESIS; + idle_top_freq = clk_get_max_rate(cpu_lp_clk) / 1000; + idle_bottom_freq = clk_get_min_rate(cpu_g_clk) / 1000; up2g0_delay = msecs_to_jiffies(UP2G0_DELAY_MS); up2gn_delay = msecs_to_jiffies(UP2Gn_DELAY_MS); -- cgit v1.2.3