Gitweb:     
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=919158d17b42683a5c7368e1e77661c65a20a48a
Commit:     919158d17b42683a5c7368e1e77661c65a20a48a
Parent:     b0b23e0ade6aa265d7278e06d50bc10ec81dd174
Author:     Thomas Renninger <[EMAIL PROTECTED]>
AuthorDate: Wed Oct 31 15:41:42 2007 +0100
Committer:  Len Brown <[EMAIL PROTECTED]>
CommitDate: Thu Feb 7 14:47:40 2008 -0500

    ACPI: cpufreq: Print _PPC changes via cpufreq debug layer
    
    enabled with CPU_FREQ_DEBUG
    
    Signed-off-by: Thomas Renninger <[EMAIL PROTECTED]>
    Signed-off-by: Len Brown <[EMAIL PROTECTED]>
---
 drivers/acpi/processor_perflib.c |    7 +++++++
 1 files changed, 7 insertions(+), 0 deletions(-)

diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c
index f32010b..b477a4b 100644
--- a/drivers/acpi/processor_perflib.c
+++ b/drivers/acpi/processor_perflib.c
@@ -50,6 +50,10 @@ ACPI_MODULE_NAME("processor_perflib");
 
 static DEFINE_MUTEX(performance_mutex);
 
+/* Use cpufreq debug layer for _PPC changes. */
+#define cpufreq_printk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_CORE, \
+                                               "cpufreq-core", msg)
+
 /*
  * _PPC support is implemented as a CPUfreq policy notifier:
  * This means each time a CPUfreq driver registered also with
@@ -131,6 +135,9 @@ static int acpi_processor_get_platform_limit(struct 
acpi_processor *pr)
                return -ENODEV;
        }
 
+       cpufreq_printk("CPU %d: _PPC is %d - frequency %s limited\n", pr->id,
+                      (int)ppc, ppc ? "" : "not");
+
        pr->performance_platform_limit = (int)ppc;
 
        return 0;
-
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