linux-kernel - Re: [RESEND PATCH v4 6/6] leds: lm36274: Introduce the TI LM36274 LED driver

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Date:   Wed, 29 May 2019 22:50:32 +0200
From:   Jacek Anaszewski <jacek.anaszewski@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     Dan Murphy <dmurphy@...com>, Pavel Machek <pavel@....cz>,
        broonie@...nel.org, lgirdwood@...il.com,
        linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [RESEND PATCH v4 6/6] leds: lm36274: Introduce the TI LM36274 LED
 driver

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@....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.

-- 
Best regards,
Jacek Anaszewski