diff options
author | njl <njl@FreeBSD.org> | 2005-02-22 06:31:45 +0000 |
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committer | njl <njl@FreeBSD.org> | 2005-02-22 06:31:45 +0000 |
commit | 7cb8584285d7b23026713439d4c82d55c6d92934 (patch) | |
tree | 782565ce37aa8fcc89e980f149e2fb67f53e9cf1 /sys | |
parent | a5596d15387de6beacbfb7c7f96e1e21ce9c2556 (diff) | |
download | FreeBSD-src-7cb8584285d7b23026713439d4c82d55c6d92934.zip FreeBSD-src-7cb8584285d7b23026713439d4c82d55c6d92934.tar.gz |
Support disabling individual cpufreq drivers with hints, e.g.,
hint.ichss.0.disabled="1"
Diffstat (limited to 'sys')
-rw-r--r-- | sys/dev/acpica/acpi_perf.c | 3 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_throttle.c | 3 | ||||
-rw-r--r-- | sys/dev/cpufreq/ichss.c | 3 | ||||
-rw-r--r-- | sys/i386/cpufreq/est.c | 3 |
4 files changed, 12 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi_perf.c b/sys/dev/acpica/acpi_perf.c index 040f2d5..e7d2e8a 100644 --- a/sys/dev/acpica/acpi_perf.c +++ b/sys/dev/acpica/acpi_perf.c @@ -165,6 +165,9 @@ acpi_perf_probe(device_t dev) ACPI_BUFFER buf; int error, rid, type; + if (resource_disabled("acpi_perf", 0)) + return (ENXIO); + /* * Check the performance state registers. If they are of type * "functional fixed hardware", we attach quietly since we will diff --git a/sys/dev/acpica/acpi_throttle.c b/sys/dev/acpica/acpi_throttle.c index 6261eba..b736124 100644 --- a/sys/dev/acpica/acpi_throttle.c +++ b/sys/dev/acpica/acpi_throttle.c @@ -166,6 +166,9 @@ static int acpi_throttle_probe(device_t dev) { + if (resource_disabled("acpi_throttle", 0)) + return (ENXIO); + device_set_desc(dev, "ACPI CPU Throttling"); return (0); } diff --git a/sys/dev/cpufreq/ichss.c b/sys/dev/cpufreq/ichss.c index 1f3194a..b8d3542 100644 --- a/sys/dev/cpufreq/ichss.c +++ b/sys/dev/cpufreq/ichss.c @@ -214,6 +214,9 @@ ichss_probe(device_t dev) device_t est_dev, perf_dev; int error, type; + if (resource_disabled("ichss", 0)) + return (ENXIO); + /* * If the ACPI perf driver has attached and is not just offering * info, let it manage things. Also, if Enhanced SpeedStep is diff --git a/sys/i386/cpufreq/est.c b/sys/i386/cpufreq/est.c index 1ae10ff..d40fa4a 100644 --- a/sys/i386/cpufreq/est.c +++ b/sys/i386/cpufreq/est.c @@ -593,6 +593,9 @@ est_probe(device_t dev) device_t perf_dev; uint64_t msr; int error, type; + + if (resource_disabled("est", 0)) + return (ENXIO); /* * If the ACPI perf driver has attached and is not just offering |