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Subject[PATCH] scripts: dtc: libfdt: fdt_rw.c: Remove some unused functions
Date
Removes some functions that are not used anywhere:
fdt_delprop() fdt_add_mem_rsv()

This was partially found by using a static code analysis program called cppcheck.

Signed-off-by: Rickard Strandqvist <rickard_strandqvist@spectrumdigital.se>
---
scripts/dtc/libfdt/fdt_rw.c | 32 -----------------------------
scripts/dtc/libfdt/libfdt.h | 48 -------------------------------------------
2 files changed, 80 deletions(-)

diff --git a/scripts/dtc/libfdt/fdt_rw.c b/scripts/dtc/libfdt/fdt_rw.c
index 24437df..8933c30 100644
--- a/scripts/dtc/libfdt/fdt_rw.c
+++ b/scripts/dtc/libfdt/fdt_rw.c
@@ -169,23 +169,6 @@ static int _fdt_find_add_string(void *fdt, const char *s)
return (new - strtab);
}

-int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size)
-{
- struct fdt_reserve_entry *re;
- int err;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- re = _fdt_mem_rsv_w(fdt, fdt_num_mem_rsv(fdt));
- err = _fdt_splice_mem_rsv(fdt, re, 0, 1);
- if (err)
- return err;
-
- re->address = cpu_to_fdt64(address);
- re->size = cpu_to_fdt64(size);
- return 0;
-}
-
int fdt_del_mem_rsv(void *fdt, int n)
{
struct fdt_reserve_entry *re = _fdt_mem_rsv_w(fdt, n);
@@ -316,21 +299,6 @@ int fdt_appendprop(void *fdt, int nodeoffset, const char *name,
return 0;
}

-int fdt_delprop(void *fdt, int nodeoffset, const char *name)
-{
- struct fdt_property *prop;
- int len, proplen;
-
- FDT_RW_CHECK_HEADER(fdt);
-
- prop = fdt_get_property_w(fdt, nodeoffset, name, &len);
- if (! prop)
- return len;
-
- proplen = sizeof(*prop) + FDT_TAGALIGN(len);
- return _fdt_splice_struct(fdt, prop, proplen, 0);
-}
-
int fdt_add_subnode_namelen(void *fdt, int parentoffset,
const char *name, int namelen)
{
diff --git a/scripts/dtc/libfdt/libfdt.h b/scripts/dtc/libfdt/libfdt.h
index 73f4975..272998a 100644
--- a/scripts/dtc/libfdt/libfdt.h
+++ b/scripts/dtc/libfdt/libfdt.h
@@ -1019,30 +1019,6 @@ int fdt_open_into(const void *fdt, void *buf, int bufsize);
int fdt_pack(void *fdt);

/**
- * fdt_add_mem_rsv - add one memory reserve map entry
- * @fdt: pointer to the device tree blob
- * @address, @size: 64-bit values (native endian)
- *
- * Adds a reserve map entry to the given blob reserving a region at
- * address address of length size.
- *
- * This function will insert data into the reserve map and will
- * therefore change the indexes of some entries in the table.
- *
- * returns:
- * 0, on success
- * -FDT_ERR_NOSPACE, there is insufficient free space in the blob to
- * contain the new reservation entry
- * -FDT_ERR_BADMAGIC,
- * -FDT_ERR_BADVERSION,
- * -FDT_ERR_BADSTATE,
- * -FDT_ERR_BADSTRUCTURE,
- * -FDT_ERR_BADLAYOUT,
- * -FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_add_mem_rsv(void *fdt, uint64_t address, uint64_t size);
-
-/**
* fdt_del_mem_rsv - remove a memory reserve map entry
* @fdt: pointer to the device tree blob
* @n: entry to remove
@@ -1377,30 +1353,6 @@ static inline int fdt_appendprop_cell(void *fdt, int nodeoffset,
fdt_appendprop((fdt), (nodeoffset), (name), (str), strlen(str)+1)

/**
- * fdt_delprop - delete a property
- * @fdt: pointer to the device tree blob
- * @nodeoffset: offset of the node whose property to nop
- * @name: name of the property to nop
- *
- * fdt_del_property() will delete the given property.
- *
- * This function will delete data from the blob, and will therefore
- * change the offsets of some existing nodes.
- *
- * returns:
- * 0, on success
- * -FDT_ERR_NOTFOUND, node does not have the named property
- * -FDT_ERR_BADOFFSET, nodeoffset did not point to FDT_BEGIN_NODE tag
- * -FDT_ERR_BADLAYOUT,
- * -FDT_ERR_BADMAGIC,
- * -FDT_ERR_BADVERSION,
- * -FDT_ERR_BADSTATE,
- * -FDT_ERR_BADSTRUCTURE,
- * -FDT_ERR_TRUNCATED, standard meanings
- */
-int fdt_delprop(void *fdt, int nodeoffset, const char *name);
-
-/**
* fdt_add_subnode_namelen - creates a new node based on substring
* @fdt: pointer to the device tree blob
* @parentoffset: structure block offset of a node
--
1.7.10.4


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