linux-kernel - Re: [PATCH] rtc: max77686: Remove some dead code

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Date:   Mon, 10 May 2021 08:20:52 -0400
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...onical.com>
To:     Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Edmundo Carmona Antoranz <eantoranz@...il.com>
Cc:     Christophe JAILLET <christophe.jaillet@...adoo.fr>,
        cw00.choi@...sung.com, b.zolnierkie@...sung.com,
        a.zummo@...ertech.it, linux-rtc@...r.kernel.org,
        linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] rtc: max77686: Remove some dead code

On 09/05/2021 17:06, Alexandre Belloni wrote:
> On 08/05/2021 18:06:03-0600, Edmundo Carmona Antoranz wrote:
>> On Sat, May 8, 2021 at 10:59 AM Christophe JAILLET
>> <christophe.jaillet@...adoo.fr> wrote:
>>>
>>>>
>>>> Following the recent conversations, I think it might make sense to do
>>>> dev_err(&pdev->dev, "Failed to register RTC device: %pe\n", info->rtc_dev);
>>>>
>>>> Is that right?
>>>>
>>>
>>> Yes, it is right, but it should be done in another patch.
>>>
>>> Would you like to give it a try?
>>>
>> Sure, I'll have the patch ready to send it when I see yours on next.
> 
> Does it make sense to print anything at all? Who would use the output?
> Is anyone actually going to read it?

If the RTC core does not print the message, it should be
dev_err_probe().  However the first is recently preferred - RTC core
should do it for all drivers.  I find such error messages useful - helps
easily spotting regressions via dmesg -l err.


Best regards,
Krzysztof