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of/fdt: Consolidate duplicate code into helper functions

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Currently, there are many pieces of nearly identical code scattered across
different places. Consolidate the duplicate code into helper functions to
improve maintainability and reduce the likelihood of errors.

Signed-off-by: Yuntao Wang <yuntao.wang@linux.dev>
Link: https://patch.msgid.link/20251115134753.179931-2-yuntao.wang@linux.dev
Signed-off-by: Rob Herring (Arm) <robh@kernel.org>
This commit is contained in:
Yuntao Wang
2025-11-15 21:47:46 +08:00
committed by Rob Herring (Arm)
parent a5387fbc66
commit 8278cb72c6
2 changed files with 50 additions and 0 deletions
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9
include/linux/of_fdt.h
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@@ -55,6 +55,15 @@ extern int of_get_flat_dt_subnode_by_name(unsigned long node,
const char *uname);
extern const void *of_get_flat_dt_prop(unsigned long node, const char *name,
int *size);
extern const __be32 *of_flat_dt_get_addr_size_prop(unsigned long node,
const char *name,
int *entries);
extern bool of_flat_dt_get_addr_size(unsigned long node, const char *name,
u64 *addr, u64 *size);
extern void of_flat_dt_read_addr_size(const __be32 *prop, int entry_index,
u64 *addr, u64 *size);
extern int of_flat_dt_is_compatible(unsigned long node, const char *name);
extern unsigned long of_get_flat_dt_root(void);
extern uint32_t of_get_flat_dt_phandle(unsigned long node);