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Subject: Re: [RESEND PATCH v4 6/6] leds: lm36274: Introduce the TI LM36274 LED
 driver
To:     Lee Jones <lee.jones@linaro.org>
Cc:     Dan Murphy <dmurphy@ti.com>, Pavel Machek <pavel@ucw.cz>,
        broonie@kernel.org, lgirdwood@gmail.com,
        linux-leds@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20190522192733.13422-1-dmurphy@ti.com>
 <20190522192733.13422-7-dmurphy@ti.com> <20190523125012.GB20354@amd>
 <0c2bd6af-92c5-2458-dc41-1ea413545347@ti.com>
 <89a80aa8-66ee-d0ec-fa54-c55ca8de06af@gmail.com> <20190529135821.GK4574@dell>
 <afff7c24-bb68-e9dc-295e-4449f9729cc9@gmail.com> <20190530073827.GL4574@dell>
From:   Jacek Anaszewski <jacek.anaszewski@gmail.com>
Message-ID: <c75025f5-a984-78fa-2737-d10027e5741c@gmail.com>
Date:   Thu, 30 May 2019 21:58:19 +0200
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On 5/30/19 9:38 AM, Lee Jones wrote:
> On Wed, 29 May 2019, Jacek Anaszewski wrote:
> 
>> On 5/29/19 3:58 PM, Lee Jones wrote:
>>> On Fri, 24 May 2019, Jacek Anaszewski wrote:
>>>
>>>> Hi,
>>>>
>>>> On 5/23/19 9:09 PM, Dan Murphy wrote:
>>>>> Pavel
>>>>>
>>>>> Thanks for the review
>>>>>
>>>>> On 5/23/19 7:50 AM, Pavel Machek wrote:
>>>>>> Hi!
>>>>>>
>>>>>>> +++ b/drivers/leds/leds-lm36274.c
>>>>>>
>>>>>>> +static int lm36274_parse_dt(struct lm36274 *lm36274_data)
>>>>>>> +{
>>>>>>> +	struct fwnode_handle *child = NULL;
>>>>>>> +	char label[LED_MAX_NAME_SIZE];
>>>>>>> +	struct device *dev = &lm36274_data->pdev->dev;
>>>>>>> +	const char *name;
>>>>>>> +	int child_cnt;
>>>>>>> +	int ret = -EINVAL;
>>>>>>> +
>>>>>>> +	/* There should only be 1 node */
>>>>>>> +	child_cnt = device_get_child_node_count(dev);
>>>>>>> +	if (child_cnt != 1)
>>>>>>> +		return ret;
>>>>>>
>>>>>> I'd do explicit "return -EINVAL" here.
>>>>>>
>>>>>
>>>>> ACK
>>>>>
>>>>>>> +static int lm36274_probe(struct platform_device *pdev)
>>>>>>> +{
>>>>>>> +	struct ti_lmu *lmu = dev_get_drvdata(pdev->dev.parent);
>>>>>>> +	struct lm36274 *lm36274_data;
>>>>>>> +	int ret;
>>>>>>> +
>>>>>>> +	lm36274_data = devm_kzalloc(&pdev->dev, sizeof(*lm36274_data),
>>>>>>> +				    GFP_KERNEL);
>>>>>>> +	if (!lm36274_data) {
>>>>>>> +		ret = -ENOMEM;
>>>>>>> +		return ret;
>>>>>>> +	}
>>>>>>
>>>>>> And certainly do "return -ENOMEM" explicitly here.
>>>>>>
>>>>>
>>>>> ACK
>>>>>
>>>>>> Acked-by: Pavel Machek <pavel@ucw.cz>
>>>>
>>>> I've done all amendments requested by Pavel and updated branch
>>>> ib-leds-mfd-regulator on linux-leds.git, but in the same time
>>>
>>> What do you mean by updated?  You cannot update an 'ib' (immutable
>>> branch).  Immutable means that it cannot change, by definition.
>>
>> We have already talked about that. Nobody has pulled so the branch
>> could have been safely updated.
> 
> You have no sure way to know that.  And since I have no way to know,
> or faith that you won't update it again, pulling it now/at all would
> seem like a foolish thing to do.

Sorry, but you are simply unjust. You're pretending to portray the
situation as if I have been notoriously causing merge conflicts in
linux-next which did not take place.

Just to recap what this discussion is about:

On 7 Apr 2019:

1. I sent pull request [0].
2. 45 minutes later I updated it after discovering one omission [1].
    It was rather small chance for it to be pulled as quickly as that.
    And even if it happened it wouldn't have been much harmful - we
    wouldn't have lost e.g. weeks of testing in linux-next due to that
    fact.

On 21 May 2019:

3. I sent another pull request [2] to you and REGULATOR maintainers.
    After it turned out that lack of feedback from REGULATOR maintainers
    was caused by failing to send them the exact copies of patches to
    review, I informed you about possible need for updating the branch.
    Afterwards I received a reply from you saying that you hadn't pulled
    the branch anyway. At that point I was sure that neither MFD nor
    REGULATOR tree contains the patches. And only after that I updated
    the branch.

> Until you can provide me with an assurance that you will not keep
> updating/changing the supposedly immutable pull-requests you send out,
> I won't be pulling any more in.

I can just uphold the assurance which is implicitly assumed for anyone
who has never broken acclaimed rules. As justified above.

[0] https://lore.kernel.org/patchwork/patch/1059075/
[1] https://lore.kernel.org/patchwork/patch/1059080/
[2] https://lore.kernel.org/patchwork/patch/1077066/
-- 
Best regards,
Jacek Anaszewski