HP ProLiants are sold with CPU frequency controlled by BIOS by default.
The pcc-cpufreq driver still exports some frequency info to userspace and
should be tried to get loaded on these platforms.
Successfully tested on a recent ProLiant machine:
- without this patch no pcc-cpufreq driver loaded, no frequency info
- with this patch the driver got autoloaded
Signed-off-by: Thomas Renninger <trenn@xxxxxxx>
diff --git a/drivers/cpufreq/pcc-cpufreq.c b/drivers/cpufreq/pcc-cpufreq.c
index 728a2d8..ff1ebd0 100644
--- a/drivers/cpufreq/pcc-cpufreq.c
+++ b/drivers/cpufreq/pcc-cpufreq.c
@@ -603,6 +603,8 @@ static void __exit pcc_cpufreq_exit(void)
free_percpu(pcc_cpu_info);
}
+MODULE_ALIAS("dmi:*:svnHP:pnProLiant*:*");
+
MODULE_AUTHOR("Matthew Garrett, Naga Chumbalkar");
MODULE_VERSION(PCC_VERSION);
MODULE_DESCRIPTION("Processor Clocking Control interface driver");
--
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