Commit 3c36fe93 authored by Rafael J. Wysocki's avatar Rafael J. Wysocki
Browse files

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: default avatarRafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: default avatarHeikki Krogerus <heikki.krogerus@linux.intel.com>
parent 7e57714c

drivers/acpi/bus.c

+6 −1
Original line number Diff line number Diff line
@@ -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

drivers/usb/typec/port-mapper.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

include/acpi/acpi_bus.h

+2 −0
Original line number Diff line number Diff line
@@ -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

 * ------