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[v1] ACPI: property: Use acpi_dev_parent()

Message ID 4756666.GXAFRqVoOG@kreacher
State New
Headers show
Series [v1] ACPI: property: Use acpi_dev_parent() | expand

Commit Message

Rafael J. Wysocki Aug. 29, 2022, 4:12 p.m. UTC 
From: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

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>
---
 drivers/acpi/property.c |    7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)
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Patch

Index: linux-pm/drivers/acpi/property.c
===================================================================
--- linux-pm.orig/drivers/acpi/property.c
+++ linux-pm/drivers/acpi/property.c
@@ -1269,10 +1269,11 @@  acpi_node_get_parent(const struct 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;