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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 15:09:20 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-31 15:09:20 -0800 |
| commit | 28e0cf22c1221650b4bfba48808d966160c42320 (patch) | |
| tree | 79e530ac09f62000c1d0ec998a1bfa5404a2577a /arch | |
| parent | 9aef3b7c208b216b54a2e6614c6287ca8a09cf6f (diff) | |
| parent | c0672860199ac009af7cf198a134ee7a4c3a9bb3 (diff) | |
| download | lwn-28e0cf22c1221650b4bfba48808d966160c42320.tar.gz lwn-28e0cf22c1221650b4bfba48808d966160c42320.zip | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/davej/cpufreq
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/Kconfig | 1 | ||||
| -rw-r--r-- | arch/i386/kernel/cpu/cpufreq/p4-clockmod.c | 9 |
2 files changed, 10 insertions, 0 deletions
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig index 0f1eb507233b..26892d2099b0 100644 --- a/arch/i386/kernel/cpu/cpufreq/Kconfig +++ b/arch/i386/kernel/cpu/cpufreq/Kconfig @@ -96,6 +96,7 @@ config X86_POWERNOW_K8_ACPI config X86_GX_SUSPMOD tristate "Cyrix MediaGX/NatSemi Geode Suspend Modulation" + depends on PCI help This add the CPUFreq driver for NatSemi Geode processors which support suspend modulation. diff --git a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c index 270f2188d68b..cc73a7ae34bc 100644 --- a/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c +++ b/arch/i386/kernel/cpu/cpufreq/p4-clockmod.c @@ -52,6 +52,7 @@ enum { static int has_N44_O17_errata[NR_CPUS]; +static int has_N60_errata[NR_CPUS]; static unsigned int stock_freq; static struct cpufreq_driver p4clockmod_driver; static unsigned int cpufreq_p4_get(unsigned int cpu); @@ -226,6 +227,12 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy) case 0x0f12: has_N44_O17_errata[policy->cpu] = 1; dprintk("has errata -- disabling low frequencies\n"); + break; + + case 0x0f29: + has_N60_errata[policy->cpu] = 1; + dprintk("has errata -- disabling frequencies lower than 2ghz\n"); + break; } /* get max frequency */ @@ -237,6 +244,8 @@ static int cpufreq_p4_cpu_init(struct cpufreq_policy *policy) for (i=1; (p4clockmod_table[i].frequency != CPUFREQ_TABLE_END); i++) { if ((i<2) && (has_N44_O17_errata[policy->cpu])) p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID; + else if (has_N60_errata[policy->cpu] && p4clockmod_table[i].frequency < 2000000) + p4clockmod_table[i].frequency = CPUFREQ_ENTRY_INVALID; else p4clockmod_table[i].frequency = (stock_freq * i)/8; } |