From 8eb99e9a64a07ea08070591bdc2615526a103e62 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Wed, 7 Apr 2021 19:58:20 +0200 Subject: 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 Signed-off-by: Rafael J. Wysocki --- include/acpi/acpi_bus.h | 1 + include/linux/acpi.h | 5 +++++ 2 files changed, 6 insertions(+) (limited to 'include') diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index f28b097c658f..d631cb52283e 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -78,6 +78,7 @@ acpi_evaluate_dsm_typed(acpi_handle handle, const guid_t *guid, u64 rev, bool acpi_dev_found(const char *hid); bool acpi_dev_present(const char *hid, const char *uid, s64 hrv); +bool acpi_reduced_hardware(void); #ifdef CONFIG_ACPI diff --git a/include/linux/acpi.h b/include/linux/acpi.h index 3bdcfc4401b7..e2e6db8313c8 100644 --- a/include/linux/acpi.h +++ b/include/linux/acpi.h @@ -748,6 +748,11 @@ acpi_dev_get_first_match_dev(const char *hid, const char *uid, s64 hrv) return NULL; } +static inline bool acpi_reduced_hardware(void) +{ + return false; +} + static inline void acpi_dev_put(struct acpi_device *adev) {} static inline bool is_acpi_node(const struct fwnode_handle *fwnode) -- cgit v1.2.3