diff options
| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-10-27 18:59:06 +0200 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2021-10-28 16:53:24 +0200 |
| commit | 61a3c78d991c7f5e189e82fa54ddaa9d514544a2 (patch) | |
| tree | 248b5020362714a0859f24a40d51721f8705eff8 /drivers/acpi | |
| parent | Merge back ACPI PCI material for v5.16. (diff) | |
| download | linux-61a3c78d991c7f5e189e82fa54ddaa9d514544a2.tar.xz linux-61a3c78d991c7f5e189e82fa54ddaa9d514544a2.zip | |
ACPI: glue: Use acpi_device_adr() in acpi_find_child_device()
Instead of evaluating _ADR in acpi_find_child_device(), use the
observation that it has already been evaluated and the value returned
by it has been stored in the pnp.type.bus_address field of the ACPI
device object at hand.
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/glue.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/acpi/glue.c b/drivers/acpi/glue.c index 17ec6e57c4b7..ef104809f27b 100644 --- a/drivers/acpi/glue.c +++ b/drivers/acpi/glue.c @@ -113,13 +113,10 @@ struct acpi_device *acpi_find_child_device(struct acpi_device *parent, return NULL; list_for_each_entry(adev, &parent->children, node) { - unsigned long long addr; - acpi_status status; + acpi_bus_address addr = acpi_device_adr(adev); int score; - status = acpi_evaluate_integer(adev->handle, METHOD_NAME__ADR, - NULL, &addr); - if (ACPI_FAILURE(status) || addr != address) + if (!adev->pnp.type.bus_address || addr != address) continue; if (!ret) { |