[PATCH] of: address: Fix parser address/size cells initialization

[Rob Herring]

On Fri, Jul 31, 2020 at 4:02 AM Nicolas Saenz Julienne
<nsaenzjulienne at suse.de> wrote:
>
> bus->count_cells() parses cells starting from the node's parent. This is
> not good enough for parser_init() which is generally parsing a bus node.
>
> Revert to previous behavior using of_bus_n_*_cells().
>
> Fixes: 2f96593ecc37 ("of_address: Add bus type match for pci ranges parser")
> Reported-by: Nathan Chancellor <natechancellor at gmail.com>
> Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne at suse.de>
> ---
>  drivers/of/address.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)

We have a unit test for this code, does it fail? If not, adjusting it
to fail or adding a test case would be nice. Either way:

Acked-by: Rob Herring <robh at kernel.org>