[U-Boot] [PATCH V2 1/3] fdtdec: fix parsing 'reg' property with zero value in '#size-cells'

[Minkyu Kang]

On 29/09/15 13:47, Simon Glass wrote:
> On 28 September 2015 at 06:17, Przemyslaw Marczak <p.marczak at samsung.com> wrote:
>> After rework of lib/fdtdec.c by:
>>
>> commit: 02464e3 fdt: add new fdt address parsing functions
>>
>> the function fdtdec_get_addr() doesn't work as previous,
>> because the implementation assumes that properties '#address-cells'
>> and '#size-cells' are equal to 1, which can be not true sometimes.
>>
>> The new API introduced fdtdec_get_addr_size_auto_parent() for the 'reg'
>> property parsing, but the implementation assumes, that #size-cells
>> can't be less than 1.
>>
>> This causes that the following children's 'reg' property can't be reached:
>>
>> parent at 0x100 {
>>      #address-cells = <1>;
>>      #size-cells = <0>;
>>      children at 0x100 {
>>          reg = < 0x100 >;
>>      };
>> };
>>
>> Change the condition value from '1' to '0', which allows parsing property
>> with at least zero #size-cells, fixes the issue.
>>
>> Now, fdtdec_get_addr_size_auto_parent() works properly.
>>
>> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
>> Acked-by: Stephen Warren <swarren at nvidia.com>
>> ---
>> Changes V2:
>> - cleanup commit message
>> - add acked-by
>> ---
>>  lib/fdtdec.c | 2 +-
>>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> I'll pick this series up if no one else is planning to.
> 
> Tested on snow
> Tested-by: Simon Glass <sjg at chromium.org>
> 
> Acked-by: Simon Glass <sjg at chromium.org>
> 

Acked-by: Minkyu Kang <mk7.kang at samsung.com>

Thanks,
Minkyu Kang.