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Commit 034be8fd authored Sep 04, 2012 by Andre Przywara Committed by Rafael J. Wysocki Sep 09, 2012

cpufreq: Add warning message to powernow-k8



cpufreq modules are often loaded from init scripts that assume that
all recent AMD systems will use powernow-k8.
To inform the user of the change of support and ease the transition
to acpi-cpufreq, emit a warning message.

Signed-off-by: Andre Przywara <andre.przywara@amd.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>

parent acd31624

drivers/cpufreq/Kconfig.x86

+2 −1

Original line number	Diff line number	Diff line
		@@ -96,7 +96,8 @@ config X86_POWERNOW_K8
		select CPU_FREQ_TABLE
		depends on ACPI && ACPI_PROCESSOR
		help
		This adds the CPUFreq driver for K8/K10 Opteron/Athlon64 processors.
		This adds the CPUFreq driver for K8/early Opteron/Athlon64 processors.
		Support for K10 and newer processors is now in acpi-cpufreq.

		To compile this driver as a module, choose M here: the
		module will be called powernow-k8.

drivers/cpufreq/powernow-k8.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -1563,6 +1563,9 @@ static int __cpuinit powernowk8_init(void)
		if (!x86_match_cpu(powernow_k8_ids))
		return -ENODEV;

		if (static_cpu_has(X86_FEATURE_HW_PSTATE))
		pr_warn(PFX "support for this CPU is deprecated, use acpi-cpufreq instead.\n");

		for_each_online_cpu(i) {
		int rc;
		smp_call_function_single(i, check_supported_cpu, &rc, 1);