Re: [PATCH 14/28] net: split eth_platform_get_mac_address() into subroutines

[Bartosz Golaszewski]

2018-08-08 19:50 GMT+02:00 Andy Shevchenko <andy.shevchenko@xxxxxxxxx>:
> On Wed, Aug 8, 2018 at 6:31 PM, Bartosz Golaszewski <brgl@xxxxxxxx> wrote:
>> From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
>>
>> We want do add more sources from which to read the MAC address. In
>> order to avoid bloating this function too much, start by splitting it
>> into subroutines, each of which takes care of reading the MAC from
>> one source.
>
>> +static int mac_address_from_of(struct device *dev, u8 *mac_addr)
>>  {
>>         const unsigned char *addr;
>> +       struct device_node *np;
>>
>
>> +       np = dev_is_pci(dev) ? pci_device_to_OF_node(to_pci_dev(dev))
>> +                            : dev->of_node;
>
> I didn't get these manipulations.
>
> What the scenario when pci_dev->dev.of_node != dev->of_node?
>
> --
> With Best Regards,
> Andy Shevchenko

I'll add an additional patch that addresses it.

Bart