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| author |   Hans de Goede <hdegoede@redhat.com> | 2021-04-07 19:58:20 +0200 |
|---|---|---|
| committer |   Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-04-08 19:50:12 +0200 |
| commit | 8eb99e9a64a07ea08070591bdc2615526a103e62 (patch) | |
| tree | e7b14a4d75f6884aca4f78fb352a550d1ed24167 /drivers/acpi/utils.c | |
| parent | Linux 5.12-rc6 (diff) | |
| download | linux-dev-8eb99e9a64a07ea08070591bdc2615526a103e62.tar.xz linux-dev-8eb99e9a64a07ea08070591bdc2615526a103e62.zip | |
ACPI: utils: Add acpi_reduced_hardware() helper
Add a getter for the acpi_gbl_reduced_hardware variable so that modules
can check if they are running on an ACPI reduced-hw platform or not.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi/utils.c')
| -rw-r--r-- | drivers/acpi/utils.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/acpi/utils.c b/drivers/acpi/utils.c index 682edd913b3b..b20774c48c74 100644 --- a/drivers/acpi/utils.c +++ b/drivers/acpi/utils.c @@ -872,6 +872,17 @@ acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) } EXPORT_SYMBOL(acpi_dev_get_first_match_dev); +/** + * acpi_reduced_hardware - Return if this is an ACPI-reduced-hw machine + * + * Return true when running on an ACPI-reduced-hw machine, false otherwise. + */ +bool acpi_reduced_hardware(void) +{ + return acpi_gbl_reduced_hardware; +} +EXPORT_SYMBOL_GPL(acpi_reduced_hardware); + /* * acpi_backlight= handling, this is done here rather then in video_detect.c * because __setup cannot be used in modules. |