diff mbox series

[02/42] of: reserved_mem: Add devm_of_reserved_mem_device_init_by_name()

Message ID 20260703193855.110619-3-mukesh.ojha@oss.qualcomm.com (mailing list archive)
State New
Headers
Series of: reserved_mem: Introduce devres helpers and convert drivers |

Commit Message

Mukesh Ojha July 3, 2026, 7:38 p.m. UTC 
Add a resource managed inline wrapper for
of_reserved_mem_device_init_by_name() to complement the existing
devm_of_reserved_mem_device_init_by_idx() and
devm_of_reserved_mem_device_init() helpers.

Signed-off-by: Mukesh Ojha <mukesh.ojha@oss.qualcomm.com>
---
 include/linux/of_reserved_mem.h | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
diff mbox series

Patch

diff --git a/include/linux/of_reserved_mem.h b/include/linux/of_reserved_mem.h
index b9fd78123d77..52aacdbf432c 100644
--- a/include/linux/of_reserved_mem.h
+++ b/include/linux/of_reserved_mem.h
@@ -133,4 +133,25 @@  static inline int devm_of_reserved_mem_device_init(struct device *dev)
 	return devm_of_reserved_mem_device_init_by_idx(dev, dev->of_node, 0);
 }
 
+/**
+ * devm_of_reserved_mem_device_init_by_name() - Resource managed of_reserved_mem_device_init_by_name
+ * @dev:	Pointer to the device to configure
+ * @np:		Pointer to the device node with 'memory-region' property
+ * @name:	Name of the selected memory region
+ *
+ * This is a resource managed version of of_reserved_mem_device_init_by_name().
+ * The reserved memory region will be released automatically when the device
+ * is unbound.
+ *
+ * Returns error code or zero on success.
+ */
+static inline int devm_of_reserved_mem_device_init_by_name(struct device *dev,
+							   struct device_node *np,
+							   const char *name)
+{
+	int idx = of_property_match_string(np, "memory-region-names", name);
+
+	return devm_of_reserved_mem_device_init_by_idx(dev, np, idx);
+}
+
 #endif /* __OF_RESERVED_MEM_H */