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authorAndy Shevchenko <andriy.shevchenko@linux.intel.com>2024-03-01 21:00:06 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2024-03-08 01:07:22 +0300
commit1c4002aeab3c81afa8a00ae76b1ea38d066e9978 (patch)
treef6c0918feea20d543aa8b8196c8403c5dbd1b090
parentbbf6cfba49a117c502ec5df66d3ab3b485c113f8 (diff)
downloadlinux-1c4002aeab3c81afa8a00ae76b1ea38d066e9978.tar.xz
driver core: Move fw_devlink stuff to where it belongs
A few APIs, i.e. fwnode_is_ancestor_of(), fwnode_get_next_parent_dev(), and get_dev_from_fwnode(), that belong specifically to the fw_devlink APIs, may be static, but they are not. Resolve this mess by moving them to the driver/base/core where the all users are being resided and make static. No functional changes intended. Reviewed-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: "Rafael J. Wysocki" <rafael@kernel.org> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Link: https://lore.kernel.org/r/20240301180138.271590-3-andriy.shevchenko@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r--drivers/base/core.c58
-rw-r--r--drivers/base/property.c56
-rw-r--r--include/linux/fwnode.h1
-rw-r--r--include/linux/property.h2
4 files changed, 58 insertions, 59 deletions
diff --git a/drivers/base/core.c b/drivers/base/core.c
index 9828da9b933c..35ccd8bb2c9b 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -1871,6 +1871,7 @@ static void fw_devlink_unblock_consumers(struct device *dev)
device_links_write_unlock();
}
+#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
static bool fwnode_init_without_drv(struct fwnode_handle *fwnode)
{
@@ -1902,6 +1903,63 @@ static bool fwnode_ancestor_init_without_drv(struct fwnode_handle *fwnode)
}
/**
+ * fwnode_is_ancestor_of - Test if @ancestor is ancestor of @child
+ * @ancestor: Firmware which is tested for being an ancestor
+ * @child: Firmware which is tested for being the child
+ *
+ * A node is considered an ancestor of itself too.
+ *
+ * Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
+ */
+static bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor,
+ const struct fwnode_handle *child)
+{
+ struct fwnode_handle *parent;
+
+ if (IS_ERR_OR_NULL(ancestor))
+ return false;
+
+ if (child == ancestor)
+ return true;
+
+ fwnode_for_each_parent_node(child, parent) {
+ if (parent == ancestor) {
+ fwnode_handle_put(parent);
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
+ * @fwnode: firmware node
+ *
+ * Given a firmware node (@fwnode), this function finds its closest ancestor
+ * firmware node that has a corresponding struct device and returns that struct
+ * device.
+ *
+ * The caller is responsible for calling put_device() on the returned device
+ * pointer.
+ *
+ * Return: a pointer to the device of the @fwnode's closest ancestor.
+ */
+static struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
+{
+ struct fwnode_handle *parent;
+ struct device *dev;
+
+ fwnode_for_each_parent_node(fwnode, parent) {
+ dev = get_dev_from_fwnode(parent);
+ if (dev) {
+ fwnode_handle_put(parent);
+ return dev;
+ }
+ }
+ return NULL;
+}
+
+/**
* __fw_devlink_relax_cycles - Relax and mark dependency cycles.
* @con: Potential consumer device.
* @sup_handle: Potential supplier's fwnode.
diff --git a/drivers/base/property.c b/drivers/base/property.c
index a1b01ab42052..afa1bf2b3c5a 100644
--- a/drivers/base/property.c
+++ b/drivers/base/property.c
@@ -700,34 +700,6 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode)
EXPORT_SYMBOL_GPL(fwnode_get_next_parent);
/**
- * fwnode_get_next_parent_dev - Find device of closest ancestor fwnode
- * @fwnode: firmware node
- *
- * Given a firmware node (@fwnode), this function finds its closest ancestor
- * firmware node that has a corresponding struct device and returns that struct
- * device.
- *
- * The caller is responsible for calling put_device() on the returned device
- * pointer.
- *
- * Return: a pointer to the device of the @fwnode's closest ancestor.
- */
-struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode)
-{
- struct fwnode_handle *parent;
- struct device *dev;
-
- fwnode_for_each_parent_node(fwnode, parent) {
- dev = get_dev_from_fwnode(parent);
- if (dev) {
- fwnode_handle_put(parent);
- return dev;
- }
- }
- return NULL;
-}
-
-/**
* fwnode_count_parents - Return the number of parents a node has
* @fwnode: The node the parents of which are to be counted
*
@@ -774,34 +746,6 @@ struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwnode,
EXPORT_SYMBOL_GPL(fwnode_get_nth_parent);
/**
- * fwnode_is_ancestor_of - Test if @ancestor is ancestor of @child
- * @ancestor: Firmware which is tested for being an ancestor
- * @child: Firmware which is tested for being the child
- *
- * A node is considered an ancestor of itself too.
- *
- * Return: true if @ancestor is an ancestor of @child. Otherwise, returns false.
- */
-bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child)
-{
- struct fwnode_handle *parent;
-
- if (IS_ERR_OR_NULL(ancestor))
- return false;
-
- if (child == ancestor)
- return true;
-
- fwnode_for_each_parent_node(child, parent) {
- if (parent == ancestor) {
- fwnode_handle_put(parent);
- return true;
- }
- }
- return false;
-}
-
-/**
* fwnode_get_next_child_node - Return the next child node handle for a node
* @fwnode: Firmware node to find the next child node for.
* @child: Handle to one of the node's child nodes or a %NULL handle.
diff --git a/include/linux/fwnode.h b/include/linux/fwnode.h
index 2d23a14857c7..416cbe72f0c7 100644
--- a/include/linux/fwnode.h
+++ b/include/linux/fwnode.h
@@ -187,7 +187,6 @@ struct fwnode_operations {
if (fwnode_has_op(fwnode, op)) \
(fwnode)->ops->op(fwnode, ## __VA_ARGS__); \
} while (false)
-#define get_dev_from_fwnode(fwnode) get_device((fwnode)->dev)
static inline void fwnode_init(struct fwnode_handle *fwnode,
const struct fwnode_operations *ops)
diff --git a/include/linux/property.h b/include/linux/property.h
index e6516d0b7d52..284ff79ebf03 100644
--- a/include/linux/property.h
+++ b/include/linux/property.h
@@ -156,11 +156,9 @@ struct fwnode_handle *fwnode_get_next_parent(struct fwnode_handle *fwnode);
for (parent = fwnode_get_parent(fwnode); parent; \
parent = fwnode_get_next_parent(parent))
-struct device *fwnode_get_next_parent_dev(const struct fwnode_handle *fwnode);
unsigned int fwnode_count_parents(const struct fwnode_handle *fwn);
struct fwnode_handle *fwnode_get_nth_parent(struct fwnode_handle *fwn,
unsigned int depth);
-bool fwnode_is_ancestor_of(const struct fwnode_handle *ancestor, const struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_child_node(
const struct fwnode_handle *fwnode, struct fwnode_handle *child);
struct fwnode_handle *fwnode_get_next_available_child_node(