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author | Eitan Adler <eadler@FreeBSD.org> | 2012-10-22 13:06:09 +0000 |
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committer | Eitan Adler <eadler@FreeBSD.org> | 2012-10-22 13:06:09 +0000 |
commit | a8de37b0244d1101e634922d018579cc3073318f (patch) | |
tree | 07e19b18864f030899e170c445daf41bd547c6d1 /sys/dev/acpica | |
parent | 7994d24f0c2194c99c01a9f8b3c97b08b4984c46 (diff) | |
download | src-a8de37b0244d1101e634922d018579cc3073318f.tar.gz src-a8de37b0244d1101e634922d018579cc3073318f.zip |
This isn't functionally identical. In some cases a hint to disable
unit 0 would in fact disable all units.
This reverts r241856
Approved by: cperciva (implicit)
Notes
Notes:
svn path=/head/; revision=241885
Diffstat (limited to 'sys/dev/acpica')
-rw-r--r-- | sys/dev/acpica/acpi.c | 4 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_perf.c | 3 | ||||
-rw-r--r-- | sys/dev/acpica/acpi_throttle.c | 3 |
3 files changed, 10 insertions, 0 deletions
diff --git a/sys/dev/acpica/acpi.c b/sys/dev/acpica/acpi.c index 5e0466d08eff..cfe08ed1dbfe 100644 --- a/sys/dev/acpica/acpi.c +++ b/sys/dev/acpica/acpi.c @@ -377,6 +377,10 @@ acpi_identify(void) if (!cold) return (ENXIO); + /* Check that we haven't been disabled with a hint. */ + if (resource_disabled("acpi", 0)) + return (ENXIO); + /* Check for other PM systems. */ if (power_pm_get_type() != POWER_PM_TYPE_NONE && power_pm_get_type() != POWER_PM_TYPE_ACPI) { diff --git a/sys/dev/acpica/acpi_perf.c b/sys/dev/acpica/acpi_perf.c index e7d697cf39cd..3f047cce6b85 100644 --- a/sys/dev/acpica/acpi_perf.c +++ b/sys/dev/acpica/acpi_perf.c @@ -175,6 +175,9 @@ 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 4ac52225296f..40476e02bd98 100644 --- a/sys/dev/acpica/acpi_throttle.c +++ b/sys/dev/acpica/acpi_throttle.c @@ -167,6 +167,9 @@ static int acpi_throttle_probe(device_t dev) { + if (resource_disabled("acpi_throttle", 0)) + return (ENXIO); + /* * On i386 platforms at least, ACPI throttling is accomplished by * the chipset modulating the STPCLK# pin based on the duty cycle. |