of: reserved-memory: Support lookup of regions by name

Add support for looking up memory regions by name. This looks up the given name in the newly introduced memory-region-names property and returns the memory region at the corresponding index in the memory- region(s) property.

Thierry Reding committed 6 years ago

Commit 0da0e311 parent 8f3d9f32 files · +30 −0Browse files

Showing the changes to include/linux (1 of 2 files). Show all

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include/linux/of_reserved_mem.h+11−0

@@ -33,6 +33,9 @@ typedef int (reservedmem_of_init_fn)(struct reserved_mem rmem); · 32 unmodified lines
33	33
34	34	int of_reserved_mem_device_init_by_idx(struct device *dev,
35	35	struct device_node *np, int idx);
	36	+int of_reserved_mem_device_init_by_name(struct device *dev,
	37	+ struct device_node *np,
	38	+ const char *name);
36	39	void of_reserved_mem_device_release(struct device *dev);
37	40
38	41	void fdt_init_reserved_mem(void);
@@ -45,6 +48,14 @@ static inline int of_reserved_mem_device_init_by_idx(struct device *dev, · 6 unmodified lines
45	48	{
46	49	return -ENOSYS;
47	50	}
	51	+
	52	+static inline int of_reserved_mem_device_init_by_name(struct device *dev,
	53	+ struct device_node *np,
	54	+ const char *name)
	55	+{
	56	+ return -ENOSYS;
	57	+}
	58	+
48	59	static inline void of_reserved_mem_device_release(struct device *pdev) { }
49	60
50	61	static inline void fdt_init_reserved_mem(void) { }