
Subject: Re: [U-Boot] [PATCH 2/3] fdt: add fdt_del_node_by_path() API
Hi Li,
Li Yang wrote:
For removing node easily by path or alias.
Signed-off-by: Li Yang leoli@freescale.com
common/fdt_support.c | 10 ++++++++++ include/fdt_support.h | 1 + 2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/common/fdt_support.c b/common/fdt_support.c index f89a3ee..8f1186e 100644 --- a/common/fdt_support.c +++ b/common/fdt_support.c @@ -757,3 +757,13 @@ int fdt_fixup_nor_flash_size(void
*blob, int cs, u32 size)
return -1; } #endif
+int fdt_del_node_by_path(void *fdt, const char *path) {
- int off = fdt_path_offset(fdt, path);
- if (off >= 0)
return fdt_del_node(fdt, off);
- else
return off;
+} diff --git a/include/fdt_support.h b/include/fdt_support.h index 0a9dd0d..d0705d1 100644 --- a/include/fdt_support.h +++ b/include/fdt_support.h @@ -80,6 +80,7 @@ void set_working_fdt_addr(void *addr); int fdt_resize(void *blob);
int fdt_fixup_nor_flash_size(void *blob, int cs, u32 size); +int fdt_del_node_by_path(void *fdt, const char *path);
#endif /* ifdef CONFIG_OF_LIBFDT */ #endif /* ifndef __FDT_SUPPORT_H */
This seems like a reasonable function, but I don't see it used anywhere?
It will be used in patches to be submitted, we want to remove the nodes of devices which are not enabled depending on the board configuration.
- Leo