diff mbox series

[v1,1/3] ACPI: bus: Introduce acpi_dev_for_each_child()

Message ID 3679769.kQq0lBPeGt@kreacher
State New
Headers show
Series ACPI: PCI: PM: Power up PCI devices with ACPI companions upfront | expand

Commit Message

Rafael J. Wysocki April 4, 2022, 3:21 p.m. UTC 
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

Introduce a wrapper around device_for_each_child() to iterate over
the children of a given ACPI device object.

This function will be used in subsequent change sets.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
---
 drivers/acpi/bus.c      |    6 ++++++
 include/acpi/acpi_bus.h |    2 ++
 2 files changed, 8 insertions(+)
diff mbox series

Patch

Index: linux-pm/drivers/acpi/bus.c
===================================================================
--- linux-pm.orig/drivers/acpi/bus.c
+++ linux-pm/drivers/acpi/bus.c
@@ -1070,6 +1070,12 @@  int acpi_bus_for_each_dev(int (*fn)(stru
 }
 EXPORT_SYMBOL_GPL(acpi_bus_for_each_dev);
 
+int acpi_dev_for_each_child(struct acpi_device *adev,
+			    int (*fn)(struct device *, void *), void *data)
+{
+	return device_for_each_child(&adev->dev, data, fn);
+}
+
 /* --------------------------------------------------------------------------
                              Initialization/Cleanup
    -------------------------------------------------------------------------- */
Index: linux-pm/include/acpi/acpi_bus.h
===================================================================
--- linux-pm.orig/include/acpi/acpi_bus.h
+++ linux-pm/include/acpi/acpi_bus.h
@@ -481,6 +481,8 @@  void acpi_initialize_hp_context(struct a
 extern struct bus_type acpi_bus_type;
 
 int acpi_bus_for_each_dev(int (*fn)(struct device *, void *), void *data);
+int acpi_dev_for_each_child(struct acpi_device *adev,
+			    int (*fn)(struct device *, void *), void *data);
 
 /*
  * Events