linux-kernel - Re: [PATCH 3/3] watchdog: mt7621-wdt: avoid globals and arch dependencies

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Date:   Fri, 10 Feb 2023 13:04:24 +0100
From:   Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To:     Sergio Paracuellos <sergio.paracuellos@...il.com>
Cc:     linux-watchdog@...r.kernel.org, wim@...ux-watchdog.org,
        linux@...ck-us.net, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, matthias.bgg@...il.com,
        arinc.unal@...nc9.com, tsbogend@...ha.franken.de,
        p.zabel@...gutronix.de, linux-kernel@...r.kernel.org,
        devicetree@...r.kernel.org, linux-mips@...r.kernel.org
Subject: Re: [PATCH 3/3] watchdog: mt7621-wdt: avoid globals and arch
 dependencies

On 10/02/2023 12:35, Sergio Paracuellos wrote:
>>> -     mt7621_wdt_reset = devm_reset_control_get_exclusive(dev, NULL);
>>> -     if (!IS_ERR(mt7621_wdt_reset))
>>> -             reset_control_deassert(mt7621_wdt_reset);
>>> +     drvdata->sysc = syscon_regmap_lookup_by_phandle(np, "ralink,sysctl");
>>> +     if (IS_ERR(drvdata->sysc))
>>> +             return PTR_ERR(drvdata->sysc);
>>
>> You claim in commit title that you remove some global usage, but you add
>> here several new features and refactor the code significantly. You need
>> to split refactorings, improvements from completely new features. The
>> entire patch is very difficult to understand in current form.
> 
> I am removing global usage and architecture dependencies using a
> watchdog driver data structure so I thought the changes were easy
> enough to review in this way. It seems they are not according to your
> reply :). If preferred I can split this in two commits:
> - Avoid globals using and introducing all the related new driver data
> structure.
> - Add request for regmap syscon from the phandle and remove the
> architecture dependent calls and includes.
> 

Yes, such split sounds better. Thanks.

Best regards,
Krzysztof