linux-kernel - Re: [PATCH 14/18] thermal: exynos: move trips setting to exynos_tmu

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Date:   Wed, 02 May 2018 11:39:20 +0200
From:   Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
To:     Daniel Lezcano <daniel.lezcano@...aro.org>
Cc:     Eduardo Valentin <edubezval@...il.com>,
        Zhang Rui <rui.zhang@...el.com>,
        linux-samsung-soc@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 14/18] thermal: exynos: move trips setting to
 exynos_tmu_initialize()

On Tuesday, May 01, 2018 12:31:26 PM Daniel Lezcano wrote:
> On Thu, Apr 26, 2018 at 01:51:29PM +0200, Bartlomiej Zolnierkiewicz wrote:
> > * Add dummy exynos4210_tmu_set_trip_hyst() helper.
> > 
> > * Add ->tmu_set_trip_temp and ->tmu_set_trip_hyst methods to struct
> >   exynos_tmu_data and set them in exynos_map_dt_data().
> > 
> > * Move trips setting to exynos_tmu_initialize().
> > 
> > There should be no functional changes caused by this patch.
> > 
> > Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@...sung.com>
> > ---
> 
> [ ... ]
> 
> > +/* failing thresholds are not supported on Exynos4210 */
> > +static void exynos4210_tmu_set_trip_hyst(struct exynos_tmu_data *data,
> > +					 int trip, u8 temp, u8 hyst)
> > +{
> > +}
> > +
> 
> May be you can get rid of this empty function and check against a NULL pointer
> in exynos_tmu_initialize ?

This is more a question of taste and I prefer adding this one dummy function
instead of adding NULL pointer check for all SoCs.

Best regards,
--
Bartlomiej Zolnierkiewicz
Samsung R&D Institute Poland
Samsung Electronics