linux-kernel - Re: [PATCH v3 4/4] ARM: configs: s5pv210_defconfig: enable IIO required by MAX17040

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Message-ID: <20230807085543.3tfzpsa2joolay3r@intel.intel>
Date:   Mon, 7 Aug 2023 10:55:43 +0200
From:   Andi Shyti <andi.shyti@...nel.org>
To:     Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Cc:     Svyatoslav Ryhel <clamor95@...il.com>,
        Iskren Chernev <me@...ren.info>,
        Marek Szyprowski <m.szyprowski@...sung.com>,
        Matheus Castello <matheus@...tello.eng.br>,
        Sebastian Reichel <sre@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Russell King <linux@...linux.org.uk>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Arnd Bergmann <arnd@...db.de>,
        Jernej Skrabec <jernej.skrabec@...il.com>,
        Claudiu Beznea <claudiu.beznea@...rochip.com>,
        Stefan Hansson <newbie13xd@...il.com>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org
Subject: Re: [PATCH v3 4/4] ARM: configs: s5pv210_defconfig: enable IIO
 required by MAX17040

Hi,

On Sun, Aug 06, 2023 at 10:29:04AM +0200, Krzysztof Kozlowski wrote:
> On 06/08/2023 00:42, Andi Shyti wrote:
> > Hi Svyatoslav,
> > 
> > On Mon, Jul 31, 2023 at 10:36:13AM +0300, Svyatoslav Ryhel wrote:
> >> After adding support for passing temperature data from thermal sensor
> >> to MAX17040 it got dependency on CONFIG_IIO. From all defconfigs
> >> using MAX17040 only s5pv210_defconfig did not have IIO already enabled
> >> so let's enable it to avoid regression.
> >>
> >> Signed-off-by: Svyatoslav Ryhel <clamor95@...il.com>
> >> ---
> >>  arch/arm/configs/s5pv210_defconfig | 1 +
> >>  1 file changed, 1 insertion(+)
> >>
> >> diff --git a/arch/arm/configs/s5pv210_defconfig b/arch/arm/configs/s5pv210_defconfig
> >> index 4c1e480b5bbd..24070ee3d43e 100644
> >> --- a/arch/arm/configs/s5pv210_defconfig
> >> +++ b/arch/arm/configs/s5pv210_defconfig
> >> @@ -97,6 +97,7 @@ CONFIG_MMC_SDHCI_S3C_DMA=y
> >>  CONFIG_RTC_CLASS=y
> >>  CONFIG_RTC_DRV_MAX8998=m
> >>  CONFIG_DMADEVICES=y
> >> +CONFIG_IIO=y
> >>  CONFIG_PWM=y
> >>  CONFIG_PWM_SAMSUNG=y
> >>  CONFIG_PHY_SAMSUNG_USB2=m
> > 
> > Should this patch be squashed to the previous patch? I think you
> > break bisectability for this board if you enable iio only here.
> 
> The defconfig change matters less - distros don't use them - so this
> points to the fact that patchset affected the users. All existing users
> of max17040 drivers, who do not enable IIO, will have their setups broken.

That's why I'm suggesting to squash this patch with the previous.

Anyway, up to you... except of this note everything looks fine in
the series.

Andi