[PATCH v3 2/9] of_path: add of_find_path_by_node()

[Marc Kleine-Budde]

On 10/28/2015 07:20 AM, Sascha Hauer wrote:
> On Sun, Oct 25, 2015 at 10:03:29PM +0100, Marc Kleine-Budde wrote:
>> This patch adds the function of_find_path_by_node(), which is similar to
>> of_find_path(), but it translates a device tree node into a barebox device path
>> directly.
>>
>> Signed-off-by: Marc Kleine-Budde <mkl at pengutronix.de>
>> ---
>>  drivers/of/of_path.c | 17 ++++++++++++++++-
>>  include/of.h         |  1 +
>>  2 files changed, 17 insertions(+), 1 deletion(-)
>>
>> diff --git a/drivers/of/of_path.c b/drivers/of/of_path.c
>> index ad64bee08af9..690390525919 100644
>> --- a/drivers/of/of_path.c
>> +++ b/drivers/of/of_path.c
>> @@ -126,7 +126,7 @@ static int __of_find_path(struct device_node *node, const char *propname, char *
>>  
>>  	i = 1;
>>  
>> -	while (1) {
>> +	while (propname) {
>>  		ret = of_property_read_string_index(node, propname, i++, &str);
>>  		if (ret)
>>  			break;
> 
> Is this hunk intentional? Is this a fix for something?

Yes, it's called with propname == NULL by int of_find_path_by_node():

> +int of_find_path_by_node(struct device_node *node, char **outpath, unsigned flags) 
> +{ 
> +	return __of_find_path(node, NULL, outpath, flags);
                                    ^^^^

> +} 
> + 

Marc

-- 
Pengutronix e.K.                  | Marc Kleine-Budde           |
Industrial Linux Solutions        | Phone: +49-231-2826-924     |
Vertretung West/Dortmund          | Fax:   +49-5121-206917-5555 |
Amtsgericht Hildesheim, HRA 2686  | http://www.pengutronix.de   |

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