[PATCH v3 2/2] rtc: Add Raspberry Pi 5 RTC driver

Sander Speetjens sander.speetjens at gmail.com
Mon Sep 21 12:36:27 PDT 2026


> This was my comment on the previous revision, I'm not sure why it was
> ignored.
Looks like that email got lost on my end, I found it in the archive.

> This undocumented sysfs interface has to be removed.
Just to make sure I understand correctly: does "This undocumented
sysfs interface has to be removed" mean that
   a) the attributes themselves are not wanted and should be dropped, or
   b) they are acceptable but must be properly documented under
      Documentation/ABI/ before they can stay?

Kind regards
Sander Speetjens

On 9/21/26 20:59, Alexandre Belloni wrote:
> On 18/09/2026 13:47:22+0200, Krzysztof Kozlowski wrote:
>> On Thu, Sep 17, 2026 at 03:58:41PM +0200, Sander Speetjens wrote:
>>> +	return devm_rtc_register_device(vrtc->rtc);
>>> +}
>>> +
>>> +static const struct of_device_id rpi_rtc_dt_match[] = {
>>> +	{ .compatible = "raspberrypi,firmware-rtc"},
>> Please fixup white space issues, see existing drivers (missing space
>> before }
>>
>>> +	{},
>> and unnecessary ,.
>>
>> Just take existing latest code as starting point, otherwise you
>> reintroduce discouraged patterns.
>>
>> More important: undocumented ABI.
>>
> This was my comment on the previous revision, I'm not sure why it was
> ignored.
>
>



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