From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Date: Mon, 29 Aug 2022 16:12:33 +0000 (+0200)
Subject: ACPI: property: Use acpi_dev_parent()
X-Git-Tag: v6.6.17~6540^2~8^2~5
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=98378956a407392109817278c6edd464252c7a83;p=platform%2Fkernel%2Flinux-rpi.git

ACPI: property: Use acpi_dev_parent()

After introducing acpi_dev_parent() in commit 62fcb99bdf10 ("ACPI: Drop
parent field from struct acpi_device"), it is better to use it instead
of accessing the dev.parent field in struct acpi_device directly.

Modify acpi_node_get_parent() accordingly.

Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---

diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
index 3dab3ac..f7c3848 100644
--- a/drivers/acpi/property.c
+++ b/drivers/acpi/property.c
@@ -1270,10 +1270,11 @@ acpi_node_get_parent(const struct fwnode_handle *fwnode)
 		return to_acpi_data_node(fwnode)->parent;
 	}
 	if (is_acpi_device_node(fwnode)) {
-		struct device *dev = to_acpi_device_node(fwnode)->dev.parent;
+		struct acpi_device *parent;
 
-		if (dev)
-			return acpi_fwnode_handle(to_acpi_device(dev));
+		parent = acpi_dev_parent(to_acpi_device_node(fwnode));
+		if (parent)
+			return acpi_fwnode_handle(parent);
 	}
 
 	return NULL;