From 919158d17b42683a5c7368e1e77661c65a20a48a Mon Sep 17 00:00:00 2001 From: Thomas Renninger Date: Wed, 31 Oct 2007 15:41:42 +0100 Subject: [PATCH] ACPI: cpufreq: Print _PPC changes via cpufreq debug layer enabled with CPU_FREQ_DEBUG Signed-off-by: Thomas Renninger Signed-off-by: Len Brown --- drivers/acpi/processor_perflib.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/drivers/acpi/processor_perflib.c b/drivers/acpi/processor_perflib.c index f32010bee4d..b477a4be8a6 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; -- 2.41.1