[PATCH 02/42] of: reserved_mem: Add devm_of_reserved_mem_device_init_by_name()
From: Mukesh Ojha <hidden>
Date: 2026-07-03 19:40:17
Also in:
dri-devel, imx, linux-arm-msm, linux-aspeed, linux-devicetree, linux-media, linux-mediatek, linux-mips, linux-mmc, linux-remoteproc, linux-sound, linux-staging, linux-sunxi, linux-tegra, lkml, openbmc
Subsystem:
open firmware and flattened device tree, the rest · Maintainers:
Rob Herring, Saravana Kannan, Linus Torvalds
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 <redacted> --- include/linux/of_reserved_mem.h | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+)
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 */
--
2.53.0