| Message ID | 20210407175820.447847-1-hdegoede@redhat.com (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
| Series | [v2,1/2] ACPI: utils: Add acpi_reduced_hardware() helper | expand |
On Wed, Apr 7, 2021 at 7:58 PM Hans de Goede <hdegoede@redhat.com> wrote: > > 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> > --- > Changes in v2: > - Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL > --- > drivers/acpi/utils.c | 11 +++++++++++ > include/acpi/acpi_bus.h | 1 + > include/linux/acpi.h | 5 +++++ > 3 files changed, 17 insertions(+) > > 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. > 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) > -- Applied along with the [2/2] as 5.13 material, thanks!
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. 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)
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> --- Changes in v2: - Use EXPORT_SYMBOL_GPL instead of EXPORT_SYMBOL --- drivers/acpi/utils.c | 11 +++++++++++ include/acpi/acpi_bus.h | 1 + include/linux/acpi.h | 5 +++++ 3 files changed, 17 insertions(+)