[U-Boot] [PATCH V3 1/4] fdtdec: fix parsing 'reg' property with zero value in '#size-cells'

[Simon Glass]

On 30 September 2015 at 12:14, 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 0x0 {
>      #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.
>
> Tested on: Odroid U3/X2, Trats, Trats2, Odroid XU3, Snow (by Simon).
>
> Signed-off-by: Przemyslaw Marczak <p.marczak at samsung.com>
> Acked-by: Stephen Warren <swarren at nvidia.com>
> Acked-by: Simon Glass <sjg at chromium.org>
> Tested-by: Simon Glass <sjg at chromium.org>
> ---
> Changes V2:
> - cleanup commit message
> - add acked-by
> Changes V3:
> - add acked-by and tested-by Simon
> ---
>  lib/fdtdec.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied to u-boot-fdt, thanks!