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authorMatthew Garrett <matthew.garrett@nebula.com>2013-01-22 21:33:46 (GMT)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2013-01-22 21:33:46 (GMT)
commitefa17194581bdfca0986dabc178908bd7c21ba00 (patch)
treede6f19a5772bbb1b07b13cf758dd89b3bcc1f0bb
parent9855d8ce41a7801548a05d844db2f46c3e810166 (diff)
downloadlinux-fsl-qoriq-efa17194581bdfca0986dabc178908bd7c21ba00.tar.xz
cpufreq: Add module aliases for acpi-cpufreq
The acpi core will call request_module("acpi-cpufreq") on subsystem init, but this will fail if the module isn't available at that stage of boot. Add some module aliases to ensure that udev can load the module on Intel and AMD systems with the appropriate feature bits - I /think/ that this will also work on VIA systems, but haven't verified that. References: http://lkml.kernel.org/r/1448223.sdUJnNSRz4@vostro.rjw.lan Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com> Tested-by: Leonid Isaev <lisaev@umail.iu.edu> Acked-by: Borislav Petkov <bp@suse.de> Cc: 3.7+ <stable@vger.kernel.org> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
-rw-r--r--drivers/cpufreq/acpi-cpufreq.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/cpufreq/acpi-cpufreq.c b/drivers/cpufreq/acpi-cpufreq.c
index 0d048f6..7b0d49d 100644
--- a/drivers/cpufreq/acpi-cpufreq.c
+++ b/drivers/cpufreq/acpi-cpufreq.c
@@ -1030,4 +1030,11 @@ MODULE_PARM_DESC(acpi_pstate_strict,
late_initcall(acpi_cpufreq_init);
module_exit(acpi_cpufreq_exit);
+static const struct x86_cpu_id acpi_cpufreq_ids[] = {
+ X86_FEATURE_MATCH(X86_FEATURE_ACPI),
+ X86_FEATURE_MATCH(X86_FEATURE_HW_PSTATE),
+ {}
+};
+MODULE_DEVICE_TABLE(x86cpu, acpi_cpufreq_ids);
+
MODULE_ALIAS("acpi");