[U-Boot] [PATCH 2/3] fdt: add fdt_del_node_by_path() API

[Li Yang-R58472]

>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 at 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