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oftree: add of_fix_tree() 

Currently we have of_get_fixed_tree() which assumes that
there is a global variable holding a oftree. This seems
not very flexible, so for now introduce a of_fix_tree()
which takes an fdt_header as argument and walks the
list of registered of fixup functions.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2011-12-14 20:19:57 +01:00
parent a746f4685a
commit 56442bb101
2 changed files with 16 additions and 7 deletions
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22
common/oftree.c
View File

@ -293,20 +293,28 @@ int of_register_fixup(int (*fixup)(struct fdt_header *))
return 0;
}
struct fdt_header *of_get_fixed_tree(void)
int of_fix_tree(struct fdt_header *fdt)
{
struct of_fixup *of_fixup;
int ret;
if (!barebox_fdt)
return NULL;
list_for_each_entry(of_fixup, &of_fixup_list, list) {
ret = of_fixup->fixup(barebox_fdt);
ret = of_fixup->fixup(fdt);
if (ret)
return NULL;
return ret;
}
return barebox_fdt;
return 0;
}
struct fdt_header *of_get_fixed_tree(void)
{
int ret;
if (!barebox_fdt)
return NULL;
ret = of_fix_tree(barebox_fdt);
if (ret)
return NULL;
return barebox_fdt;
}

1
include/of.h
View File

@ -8,6 +8,7 @@ extern struct fdt_header *barebox_fdt;
int fdt_print(struct fdt_header *working_fdt, const char *pathp);
struct fdt_header *of_get_fixed_tree(void);
int of_fix_tree(struct fdt_header *fdt);
int of_register_fixup(int (*fixup)(struct fdt_header *));
int fdt_find_and_setprop(struct fdt_header *fdt, const char *node, const char *prop,