From 3b78c03df40d902bc6abb9812c04fca81054fdab Mon Sep 17 00:00:00 2001 From: Alex Frid Date: Wed, 9 Mar 2011 18:58:01 -0800 Subject: ARM: tegra: dvfs: Add Tegra3 EMC and CPU rates dependency Original-Change-Id: I28155e59fd6cb36ccd63d8d17ed01b70b9209f97 Original-Change-Id: Ic4ebe6007ab9ee308039ad86c0930f85d116fdd5 Reviewed-on: http://git-master/r/22531 Reviewed-by: Aleksandr Frid Tested-by: Aleksandr Frid Reviewed-by: Narendra Damahe Reviewed-by: Yu-Huan Hsu Original-Change-Id: I4e5e939921d6d82aa8687545399a867901655069 Rebase-Id: R71c8b69183d12414112d88d60fe54a7b85a6d3de --- arch/arm/mach-tegra/cpu-tegra.c | 11 +---------- 1 file changed, 1 insertion(+), 10 deletions(-) (limited to 'arch/arm/mach-tegra/cpu-tegra.c') diff --git a/arch/arm/mach-tegra/cpu-tegra.c b/arch/arm/mach-tegra/cpu-tegra.c index ea6b7aaffa90..48386d0129e0 100644 --- a/arch/arm/mach-tegra/cpu-tegra.c +++ b/arch/arm/mach-tegra/cpu-tegra.c @@ -216,16 +216,7 @@ static int tegra_update_cpu_speed(unsigned long rate) * Vote on memory bus frequency based on cpu frequency * This sets the minimum frequency, display or avp may request higher */ - if (rate >= 816000) - clk_set_rate(emc_clk, 600000000); /* cpu 816 MHz, emc max */ - else if (rate >= 608000) - clk_set_rate(emc_clk, 300000000); /* cpu 608 MHz, emc 150Mhz */ - else if (rate >= 456000) - clk_set_rate(emc_clk, 150000000); /* cpu 456 MHz, emc 75Mhz */ - else if (rate >= 312000) - clk_set_rate(emc_clk, 100000000); /* cpu 312 MHz, emc 50Mhz */ - else - clk_set_rate(emc_clk, 50000000); /* emc 25Mhz */ + clk_set_rate(emc_clk, tegra_emc_to_cpu_ratio(rate)); for_each_online_cpu(freqs.cpu) cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE); -- cgit v1.2.3