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authorIngo Molnar <mingo@kernel.org>2012-04-14 13:18:27 +0200
committerIngo Molnar <mingo@kernel.org>2012-04-14 13:19:04 +0200
commit6ac1ef482d7ae0c690f1640bf6eb818ff9a2d91e (patch)
tree021cc9f6b477146fcebe6f3be4752abfa2ba18a9 /drivers/cpufreq/speedstep-ich.c
parent682968e0c425c60f0dde37977e5beb2b12ddc4cc (diff)
parenta385ec4f11bdcf81af094c03e2444ee9b7fad2e5 (diff)
Merge branch 'perf/core' into perf/uprobes
Merge in latest upstream (and the latest perf development tree), to prepare for tooling changes, and also to pick up v3.4 MM changes that the uprobes code needs to take care of. Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/cpufreq/speedstep-ich.c')
-rw-r--r--drivers/cpufreq/speedstep-ich.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/cpufreq/speedstep-ich.c b/drivers/cpufreq/speedstep-ich.c
index a748ce782fe..7432b3a72cd 100644
--- a/drivers/cpufreq/speedstep-ich.c
+++ b/drivers/cpufreq/speedstep-ich.c
@@ -25,6 +25,8 @@
#include <linux/pci.h>
#include <linux/sched.h>
+#include <asm/cpu_device_id.h>
+
#include "speedstep-lib.h"
@@ -388,6 +390,16 @@ static struct cpufreq_driver speedstep_driver = {
.attr = speedstep_attr,
};
+static const struct x86_cpu_id ss_smi_ids[] = {
+ { X86_VENDOR_INTEL, 6, 0xb, },
+ { X86_VENDOR_INTEL, 6, 0x8, },
+ { X86_VENDOR_INTEL, 15, 2 },
+ {}
+};
+#if 0
+/* Autoload or not? Do not for now. */
+MODULE_DEVICE_TABLE(x86cpu, ss_smi_ids);
+#endif
/**
* speedstep_init - initializes the SpeedStep CPUFreq driver
@@ -398,6 +410,9 @@ static struct cpufreq_driver speedstep_driver = {
*/
static int __init speedstep_init(void)
{
+ if (!x86_match_cpu(ss_smi_ids))
+ return -ENODEV;
+
/* detect processor */
speedstep_processor = speedstep_detect_processor();
if (!speedstep_processor) {