Hi Michal,
On 08/08/18 13:33, Michal Vokáč wrote:
> On 8.8.2018 12:25, Laurent Pinchart wrote:
>> Hi Kieran,
>>
>> On Wednesday, 8 August 2018 13:23:32 EEST Kieran Bingham wrote:
>>> Hi Michal,
>>>
>>> Thank you for your review.
>>>
>>> +Rob, +Mark, +Laurent asking for opinions if anyone has any on prefixes
>>> through media tree.
>>>
>>> On 08/08/18 08:48, Michal Vokáč wrote:
>>>> On 7.8.2018 17:54, Kieran Bingham wrote:
>>>> Hi Kieran,
>>>>
>>>>> The reg-names property in the documentation is missing an '='. Add it.
>>>>>
>>>>> Fixes: 9feb786876c7 ("media: dt-bindings: media: adv7604: Extend
>>>>> bindings to allow specifying slave map addresses")
>>>>
>>>> "dt-bindings: media: " is preferred for the subject.
>>>
>>> This patch will go through the media-tree as far as I am aware, and
>>> Mauro prefixes all commits through the media tree with "media:" if they
>>> are not already prefixed.
>
> OK, I did not know about that practice with the prefix.
It's media specific. It used to be [media], but now changed to "media:"
> Anyway, why should this patch go through media-tree when it is a single
> patch affecting device tree binding only? I would expect it to be picked
> by Rob or Mark.
My change 9feb786876c7 went through the media tree, because it directly
affected a media driver. This change affects the same thing, so I
assumed it's a media-tree patch, but I could be wrong. I'll await to be
told :)
>>> Thus this would then become "media: dt-bindings: media: adv7604: ...."
>>> as per my commit: 9feb786876c7 which seems a bit redundant.
>
> Agree that this seems redundant. Absolutely no offense, just a curious
> newbee question - why is the "media:" prefix added later on to *all* the
> patches at all?
Mauro's tree style choice as far as I know.
> I understand that each subsystem has it own convenience what subject
> prefix to use. Given that all patches are propperly formated after
> the review process is finished I do not see a reason why the subject
> should be changed.
>
> So patches to "drivers/media/xxx" should land as "media: xxx: ..." and
> patches to "Documentation/devicetree/bindings/xxx" should land as
> "dt-bindings: media: xxx".
>
> This allows easier git log browsing.
>>>
>>> Is it still desired ? If so I'll send a V2. (perhaps needed anyway, as I
>>> seem to have erroneously shortened dt-bindings: to just dt: which wasn't
>>> intentional.
>
> I do not know. Some time ago I tripped over a patch from Rob explaining
> how to properly format dt-binding related patches. I also read a bunch
> of his replies to emails that were kind of "out of bounds" in this regard.
> So I got an impression that he is starting to be upset that people still
> make the same mistakes and do not read
> devicetree/bindings/submitting-patches.txt
Well - I didn't know that existed :) So I've learnt something new.
Seems we now have three "submitting-patches" files to read:
find | grep submitting-patches
./Documentation/process/submitting-patches.rst
./Documentation/hwmon/submitting-patches
./Documentation/devicetree/bindings/submitting-patches.txt
Perhaps adding some rules into checkpatch.pl is the way forward to
enforce prefixes where necessary ?
> I deeply memorized that "rules" and once a while I go through the DT list
> and reply to some emails that does not fit. Just because I am sure
> that all maintainers are overloaded and surely have something more useful
> to do than commenting on trivial mistakes.
Absolutely! I believe that is a worthwhile thing to do :) and certainly
eases the strain on maintainers.
> Next time I will choose more wisely what emails I reply to :)
>>>
>>>> I think you should also add device tree maintainers to the recipients.
>>>
>>> Added to this mail to ask opinions on patch prefixes above.
>>>
>>> Originally, I believed the list was sufficient as this is a trivial
>>> patch, and it goes through the media tree.
>>>
>>> But, it turned out to be more controversial :)
>>>
>>> Rob, Mark, should I add you to all patches affecting DT? Or is the list
>>> sufficient?
>>
>> Given the insane amount of patches received by DT maintainers, I
>> personally
>> try to use common sense and only disturb them when needed. Such a typo
>> fix
>> doesn't qualify for a full CC list in my opinion.
>
> OK, sorry you spent your time discussing such a trivial thing folks.
> I am still learning how to efficiently contribute and I still very much
> depend on get_maintainers.pl output and other great tools others created ;)
Yes, the difficulty is having so many lists, and subsystems with
different preferences. I've been told off for blindly including all
recipients from get_maintainers. Otherwise I'd just always use
"git send-email --cc-cmd ./scripts/get_maintainers.pl ..."
> Thank you for your time,
And yours :)
> Michal
Kieran
>
>>>>> Signed-off-by: Kieran Bingham <kieran.bingham@xxxxxxxxxxxxxxxx>
>>>>> ---
>>>>> Documentation/devicetree/bindings/media/i2c/adv7604.txt | 2 +-
>>>>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>>>>
>>>>> diff --git a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>>>>> b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>>>>> index dcf57e7c60eb..b3e688b77a38 100644
>>>>> --- a/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>>>>> +++ b/Documentation/devicetree/bindings/media/i2c/adv7604.txt
>>>>> @@ -66,7 +66,7 @@ Example:
>>>>> * other maps will retain their default addresses.
>>>>> */
>>>>> reg = <0x4c>, <0x66>;
>>>>> - reg-names "main", "edid";
>>>>> + reg-names = "main", "edid";
>>>>> reset-gpios = <&ioexp 0 GPIO_ACTIVE_LOW>;
>>>>> hpd-gpios = <&ioexp 2 GPIO_ACTIVE_HIGH>;
>>
>
--
Regards
--
Kieran
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