From 2f6fe93fede802acfe010752db461ccd34745745 Mon Sep 17 00:00:00 2001 From: "Rafael J. Wysocki" Date: Mon, 13 Jun 2022 20:10:03 +0200 Subject: ACPI: glue: Introduce acpi_find_child_by_adr() Rearrange the ACPI device lookup code used internally by acpi_find_child_device() so it can avoid extra checks after finding one object with a matching _ADR and use it for defining acpi_find_child_by_adr() that will allow the callers to find a given ACPI device's child matching a given bus address without doing any other checks in check_one_child(). Signed-off-by: Rafael J. Wysocki Reviewed-by: Andy Shevchenko --- include/acpi/acpi_bus.h | 2 ++ 1 file changed, 2 insertions(+) (limited to 'include/acpi') diff --git a/include/acpi/acpi_bus.h b/include/acpi/acpi_bus.h index 0dc1ea0b52f5..597961969ca1 100644 --- a/include/acpi/acpi_bus.h +++ b/include/acpi/acpi_bus.h @@ -622,6 +622,8 @@ static inline int acpi_dma_configure(struct device *dev, } struct acpi_device *acpi_find_child_device(struct acpi_device *parent, u64 address, bool check_children); +struct acpi_device *acpi_find_child_by_adr(struct acpi_device *adev, + acpi_bus_address adr); int acpi_is_root_bridge(acpi_handle); struct acpi_pci_root *acpi_pci_find_root(acpi_handle handle); -- cgit v1.2.3