diff options
author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-23 12:24:52 -0400 |
---|---|---|
committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-05-23 12:24:52 -0400 |
commit | e6b027a398bcfbb8897353a88a2edfcc97fd604d (patch) | |
tree | ac4333e8e21c4c527a9e9fb9e7529542bcad7ec1 /arch/x86/kernel | |
parent | 57f7bd5b455298dbe94227aa1fedbbfe63bbf252 (diff) | |
parent | 4f74369422b883164c50b5936517d010a3e1ce59 (diff) |
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/davej/cpufreq:
[CPUFREQ] clarify license of freq_table.c
[CPUFREQ] Remove documentation of removed ondemand tunable.
[CPUFREQ] Crusoe: longrun cpufreq module reports false min freq
[CPUFREQ] powernow-k8: improve error messages
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/longrun.c | 2 | ||||
-rw-r--r-- | arch/x86/kernel/cpu/cpufreq/powernow-k8.c | 15 |
2 files changed, 14 insertions, 3 deletions
diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c index af4a867a097c..777a7ff075de 100644 --- a/arch/x86/kernel/cpu/cpufreq/longrun.c +++ b/arch/x86/kernel/cpu/cpufreq/longrun.c | |||
@@ -245,7 +245,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq, | |||
245 | if ((ecx > 95) || (ecx == 0) || (eax < ebx)) | 245 | if ((ecx > 95) || (ecx == 0) || (eax < ebx)) |
246 | return -EIO; | 246 | return -EIO; |
247 | 247 | ||
248 | edx = (eax - ebx) / (100 - ecx); | 248 | edx = ((eax - ebx) * 100) / (100 - ecx); |
249 | *low_freq = edx * 1000; /* back to kHz */ | 249 | *low_freq = edx * 1000; /* back to kHz */ |
250 | 250 | ||
251 | dprintk("low frequency is %u kHz\n", *low_freq); | 251 | dprintk("low frequency is %u kHz\n", *low_freq); |
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c index 46d4034d9f37..206791eb46e3 100644 --- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c +++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c | |||
@@ -1127,12 +1127,23 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol) | |||
1127 | * an UP version, and is deprecated by AMD. | 1127 | * an UP version, and is deprecated by AMD. |
1128 | */ | 1128 | */ |
1129 | if (num_online_cpus() != 1) { | 1129 | if (num_online_cpus() != 1) { |
1130 | printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n"); | 1130 | #ifndef CONFIG_ACPI_PROCESSOR |
1131 | printk(KERN_ERR PFX "ACPI Processor support is required " | ||
1132 | "for SMP systems but is absent. Please load the " | ||
1133 | "ACPI Processor module before starting this " | ||
1134 | "driver.\n"); | ||
1135 | #else | ||
1136 | printk(KERN_ERR PFX "Your BIOS does not provide ACPI " | ||
1137 | "_PSS objects in a way that Linux understands. " | ||
1138 | "Please report this to the Linux ACPI maintainers" | ||
1139 | " and complain to your BIOS vendor.\n"); | ||
1140 | #endif | ||
1131 | kfree(data); | 1141 | kfree(data); |
1132 | return -ENODEV; | 1142 | return -ENODEV; |
1133 | } | 1143 | } |
1134 | if (pol->cpu != 0) { | 1144 | if (pol->cpu != 0) { |
1135 | printk(KERN_ERR PFX "No _PSS objects for CPU other than CPU0\n"); | 1145 | printk(KERN_ERR PFX "No ACPI _PSS objects for CPU other than " |
1146 | "CPU0. Complain to your BIOS vendor.\n"); | ||
1136 | kfree(data); | 1147 | kfree(data); |
1137 | return -ENODEV; | 1148 | return -ENODEV; |
1138 | } | 1149 | } |