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From: Sakari Ailus <sakari.ailus@linux.intel.com>
To: linux-acpi@vger.kernel.org
Cc: "Rafael J. Wysocki" <rafael@kernel.org>,
	Len Brown <lenb@kernel.org>,
	Andy Shevchenko <andriy.shevchenko@linux.intel.com>,
	Daniel Scally <djrscally@gmail.com>,
	Heikki Krogerus <heikki.krogerus@linux.intel.com>,
	Danilo Krummrich <dakr@kernel.org>
Subject: [PATCH 06/14] property: Document that fwnode API returns available nodes
Date: Tue, 16 Sep 2025 19:01:21 +0300	[thread overview]
Message-ID: <20250916160129.3955410-7-sakari.ailus@linux.intel.com> (raw)
In-Reply-To: <20250916160129.3955410-1-sakari.ailus@linux.intel.com>

The fwnode API has historically provided two functions to iterate over a
fwnode's child nodes, fwnode_get_next_child_node() and
fwnode_get_next_available_child_node() whereas all of the fwnode API has
always worked on available nodes, apart unavailable ACPI child device
nodes could have been returned by fwnode_get_next_child_node().

Now that the availability check has been added to ACPI side as well,
document that the functions in the fwnode API return available nodes.

Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
---
 drivers/base/property.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/base/property.c b/drivers/base/property.c
index 2e0ff0232b27..a25040925bf8 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -785,7 +785,7 @@ struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwnode,
 EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
 
 /**
- * fwnode_get_next_child_node - Return the next child node handle for a node
+ * fwnode_get_next_child_node - Return the next available child node handle
  * @fwnode: Firmware node to find the next child node for.
  * @child: Handle to one of the node's child nodes or a %NULL handle.
  *
@@ -830,7 +830,7 @@ fwnode_get_next_available_child_node(const struct fwnode_handle *fwnode,
 EXPORT_SYMBOL_GPL(fwnode_get_next_available_child_node);
 
 /**
- * device_get_next_child_node - Return the next child node handle for a device
+ * device_get_next_child_node - Return the next available child node handle for a device
  * @dev: Device to find the next child node for.
  * @child: Handle to one of the device's child nodes or a %NULL handle.
  *
@@ -858,7 +858,7 @@ struct fwnode_handle *device_get_next_child_node(const struct device *dev,
 EXPORT_SYMBOL_GPL(device_get_next_child_node);
 
 /**
- * fwnode_get_named_child_node - Return first matching named child node handle
+ * fwnode_get_named_child_node - Return first available matching named child node handle
  * @fwnode: Firmware node to find the named child node for.
  * @childname: String to match child node name against.
  *
@@ -874,7 +874,7 @@ fwnode_get_named_child_node(const struct fwnode_handle *fwnode,
 EXPORT_SYMBOL_GPL(fwnode_get_named_child_node);
 
 /**
- * device_get_named_child_node - Return first matching named child node handle
+ * device_get_named_child_node - Return first available matching named child node handle for a device
  * @dev: Device to find the named child node for.
  * @childname: String to match child node name against.
  *
@@ -928,7 +928,7 @@ bool fwnode_device_is_available(const struct fwnode_handle *fwnode)
 EXPORT_SYMBOL_GPL(fwnode_device_is_available);
 
 /**
- * fwnode_get_child_node_count - return the number of child nodes for a given firmware node
+ * fwnode_get_child_node_count - Return the number of available child nodes for a given firmware node
  * @fwnode: Pointer to the parent firmware node
  *
  * Return: the number of child nodes for a given firmware node.
@@ -946,7 +946,7 @@ unsigned int fwnode_get_child_node_count(const struct fwnode_handle *fwnode)
 EXPORT_SYMBOL_GPL(fwnode_get_child_node_count);
 
 /**
- * fwnode_get_named_child_node_count - number of child nodes with given name
+ * fwnode_get_named_child_node_count - Return the number of available child nodes with given name
  * @fwnode: Node which child nodes are counted.
  * @name: String to match child node name against.
  *
-- 
2.47.3


  parent reply	other threads:[~2025-09-16 16:01 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-09-16 16:01 [PATCH 00/14] Align availability checks on fwnode child node enumeration Sakari Ailus
2025-09-16 16:01 ` [PATCH 01/14] ACPI: property: Use ACPI functions in acpi_graph_get_next_endpoint() only Sakari Ailus
2025-09-17  7:17   ` Andy Shevchenko
2025-09-17 11:50     ` Sakari Ailus
2025-09-16 16:01 ` [PATCH 02/14] ACPI: property: Make acpi_get_next_subnode() static Sakari Ailus
2025-09-17  7:18   ` Andy Shevchenko
2025-09-16 16:01 ` [PATCH 03/14] ACPI: property: Return present device nodes only on fwnode interface Sakari Ailus
2025-09-17  7:58   ` Andy Shevchenko
2025-09-16 16:01 ` [PATCH 04/14] property: Drop DEVICE_DISABLED flag in fwnode_graph_get_endpoint_by_id() Sakari Ailus
2025-09-17  8:39   ` Andy Shevchenko
2025-09-17 12:19     ` Sakari Ailus
2025-09-16 16:01 ` [PATCH 05/14] property: Drop DEVICE_DISABLED flag in fwnode_graph_get_endpoint_count() Sakari Ailus
2025-09-18 19:23   ` Andy Shevchenko
2025-09-16 16:01 ` Sakari Ailus [this message]
2025-09-22  8:03   ` [PATCH 06/14] property: Document that fwnode API returns available nodes Andy Shevchenko
2025-09-16 16:01 ` [PATCH 07/14] driver core: Use fwnode_for_each_child_node() instead Sakari Ailus
2025-09-23  5:43   ` Andy Shevchenko
2025-09-16 16:01 ` [PATCH 08/14] net: lan966x: " Sakari Ailus
2025-09-16 16:01 ` [PATCH 09/14] Input: touch-overlay - " Sakari Ailus
2025-09-16 16:01 ` [PATCH 10/14] media: thp7312: " Sakari Ailus
2025-09-16 16:01 ` [PATCH 11/14] leds: " Sakari Ailus
2025-09-16 16:01 ` [PATCH 12/14] leds: Use fwnode_get_next_child_node() instead Sakari Ailus
2025-09-23  5:46   ` Andy Shevchenko
2025-09-23  8:29     ` Sakari Ailus
2025-09-16 16:01 ` [PATCH 13/14] property: Drop functions operating on "available" child nodes Sakari Ailus
2025-09-16 16:01 ` [PATCH 14/14] spi: cadence: Remove explicit device node availability check Sakari Ailus
2025-09-17  7:07 ` [PATCH 00/14] Align availability checks on fwnode child node enumeration Andy Shevchenko

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