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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-02-22 20:51:42 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2022-03-02 20:55:47 +0100 |
| commit | 3c36fe9302d153283a0cea9e4e25a9e2143ac232 (patch) | |
| tree | 4136b715eb1f3acd078fcc5dd3e7a7077e79f3cd | |
| parent | 7e57714cd0ad2d5bb90e50b5096a0e671dec1ef3 (diff) | |
| download | linux-3c36fe9302d153283a0cea9e4e25a9e2143ac232.tar.bz2 | |
ACPI: bus: Introduce acpi_bus_for_each_dev()
In order to avoid exposing acpi_bus_type to modules, introduce an
acpi_bus_for_each_dev() helper for iterating over all ACPI device
objects and make typec_link_ports() use it instead of the raw
bus_for_each_dev() along with acpi_bus_type.
Having done that, drop the acpi_bus_type export.
No intentional functional impact.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
| -rw-r--r-- | drivers/acpi/bus.c | 7 | ||||
| -rw-r--r-- | drivers/usb/typec/port-mapper.c | 2 | ||||
| -rw-r--r-- | include/acpi/acpi_bus.h | 2 |
3 files changed, 9 insertions, 2 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 07f604832fd6..647791d34c19 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -1043,7 +1043,12 @@ struct bus_type acpi_bus_type = { .remove = acpi_device_remove, .uevent = acpi_device_uevent, }; -EXPORT_SYMBOL_GPL(acpi_bus_type); + +int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data) +{ + return bus_for_each_dev(&acpi_bus_type, NULL, data, fn); +} +EXPORT_SYMBOL_GPL(acpi_bus_for_each_dev); /* -------------------------------------------------------------------------- Initialization/Cleanup diff --git a/drivers/usb/typec/port-mapper.c b/drivers/usb/typec/port-mapper.c index a7d507802509..a929e000d0e2 100644 --- a/drivers/usb/typec/port-mapper.c +++ b/drivers/usb/typec/port-mapper.c @@ -59,7 +59,7 @@ int typec_link_ports(struct typec_port *con) if (!has_acpi_companion(&con->dev)) return 0; - bus_for_each_dev(&acpi_bus_type, NULL, &arg, typec_port_match); + acpi_bus_for_each_dev(typec_port_match, &arg); if (!arg.match) return 0; diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index ca88c4706f2b..3f7f01f03869 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -480,6 +480,8 @@ void acpi_initialize_hp_context(struct acpi_device *adev, /* acpi_device.dev.bus == &acpi_bus_type */ extern struct bus_type acpi_bus_type; +int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data); + /* * Events * ------ |