[PATCH v2 1/2] ath79: add support for reset key on MikroTik RB912UAG-2HPnD

[Denis K]

> I'm seeing this in the bootlogs when using this patch:
>
> [    5.183305] gpio-latch gpio_latch: failed to get gpio 7: -517
> [    5.235889] rb91x-nand nand_gpio: failed to get gpios: -517

It's okay. The gpio-latch probe function seems to be called before the
rb91x-key probe, but it also returns  EPROBE_DEFER (-517), so it will
be called later. I've tested master with reset key patch and Koen's
patch that sets ref clock freq to 25000000. All is working: nand,
leds, key and Gigabit Ethernet (setting 100 -- pings okay, setting
back 1000 -- pings still okay).

Should I delete from my rb91x-key patch support for kernel 5.4 and submit v2?

Thanks,
Denis