linux-kernel - Re: [PATCH v3 2/3] watchdog: s3c2410: Simplify getting driver data

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Date:   Tue, 14 Mar 2017 06:47:26 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Krzysztof Kozlowski <krzk@...nel.org>,
        Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
Cc:     Kukjin Kim <kgene@...nel.org>,
        Javier Martinez Canillas <javier@....samsung.com>,
        Wim Van Sebroeck <wim@...ana.be>,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-watchdog@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 2/3] watchdog: s3c2410: Simplify getting driver data

On 03/14/2017 06:20 AM, Krzysztof Kozlowski wrote:
> On Tue, Mar 14, 2017 at 3:17 PM, Bartlomiej Zolnierkiewicz
> <b.zolnierkie@...sung.com> wrote:
>>
>> Hi,
>>
>> On Monday, March 13, 2017 09:07:25 PM Krzysztof Kozlowski wrote:
>>> Simplify the flow in helper function for getting the driver data by
>>> using of_device_get_match_data() and only one if() branch.
>>>
>>> The code should be equivalent.
>>
>> While you are at it could you remove s3c2410_get_wdt_drv_data()
>> helper?  It is used only once during probe and is marked inline
>> anyway..
>
> Thanks for feedback!
> The existence of this helper is purely from code readability (thus
> inline does not matter). The probe is big so splitting some small
> self-contained part helps. Not much but a little...
>

Agreed. I don't see value in removing this helper.

Guenter