From a10101d5ff9e34c0a1a526725474eef84409529a Mon Sep 17 00:00:00 2001 From: Michael Hennerich Date: Tue, 28 Oct 2008 14:18:29 +0800 Subject: Blackfin arch: fix bug - Cpufreq assumes clocks in kHz and not Hz. Signed-off-by: Michael Hennerich Signed-off-by: Bryan Wu --- arch/blackfin/mach-common/cpufreq.c | 14 +++++++------- 1 file changed, 7 insertions(+), 7 deletions(-) (limited to 'arch/blackfin/mach-common') diff --git a/arch/blackfin/mach-common/cpufreq.c b/arch/blackfin/mach-common/cpufreq.c index c22c47b60127..dda5443b37ed 100644 --- a/arch/blackfin/mach-common/cpufreq.c +++ b/arch/blackfin/mach-common/cpufreq.c @@ -72,13 +72,13 @@ unsigned int __bfin_cycles_mod; /**************************************************************************/ -static unsigned int bfin_getfreq(unsigned int cpu) +static unsigned int bfin_getfreq_khz(unsigned int cpu) { /* The driver only support single cpu */ if (cpu != 0) return -1; - return get_cclk(); + return get_cclk() / 1000; } @@ -96,7 +96,7 @@ static int bfin_target(struct cpufreq_policy *policy, cclk_hz = bfin_freq_table[index].frequency; - freqs.old = bfin_getfreq(0); + freqs.old = bfin_getfreq_khz(0); freqs.new = cclk_hz; freqs.cpu = 0; @@ -137,8 +137,8 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy) if (policy->cpu != 0) return -EINVAL; - cclk = get_cclk(); - sclk = get_sclk(); + cclk = get_cclk() / 1000; + sclk = get_sclk() / 1000; #if ANOMALY_05000273 || (!defined(CONFIG_BF54x) && defined(CONFIG_BFIN_DCACHE)) min_cclk = sclk * 2; @@ -152,7 +152,7 @@ static int __init __bfin_cpu_init(struct cpufreq_policy *policy) dpm_state_table[index].csel = csel << 4; /* Shift now into PLL_DIV bitpos */ dpm_state_table[index].tscale = (TIME_SCALE / (1 << csel)) - 1; - pr_debug("cpufreq: freq:%d csel:%d tscale:%d\n", + pr_debug("cpufreq: freq:%d csel:0x%x tscale:%d\n", bfin_freq_table[index].frequency, dpm_state_table[index].csel, dpm_state_table[index].tscale); @@ -173,7 +173,7 @@ static struct freq_attr *bfin_freq_attr[] = { static struct cpufreq_driver bfin_driver = { .verify = bfin_verify_speed, .target = bfin_target, - .get = bfin_getfreq, + .get = bfin_getfreq_khz, .init = __bfin_cpu_init, .name = "bfin cpufreq", .owner = THIS_MODULE, -- cgit v1.2.2