linux-kernel - Re: [PATCH v2 1/1] Input: snvs_pwrkey

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Message-ID: <Z9RBmVQ1l6wx_WJf@c052f8094844>
Date: Fri, 14 Mar 2025 16:47:53 +0200
From: Ian Ray <ian.ray@...ealthcare.com>
To: Krzysztof Kozlowski <krzk@...nel.org>
Cc: dmitry.torokhov@...il.com, robh@...nel.org, krzk+dt@...nel.org,
	conor+dt@...nel.org, linux-input@...r.kernel.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/1] Input: snvs_pwrkey - support power-off-time-sec

On Fri, Mar 14, 2025 at 02:31:12PM +0100, Krzysztof Kozlowski wrote:
> On 14/03/2025 14:24, Ian Ray wrote:
> > On Fri, Mar 14, 2025 at 01:55:47PM +0100, Krzysztof Kozlowski wrote:
> >> On 14/03/2025 10:42, Ian Ray wrote:
> >>>
> >>>       /* Get SNVS register Page */
> >>> @@ -148,6 +152,24 @@ static int imx_snvs_pwrkey_probe(struct platform_device *pdev)
> >>>       if (pdata->irq < 0)
> >>>               return -EINVAL;
> >>>
> >>> +     if (!of_property_read_u32(np, "power-off-time-sec", &val)) {
> >>
> >> And when you test your DTS against binding what do you see? I suspect
> >> new warning.
> >
> > I checked the build logs (from a clean workarea), plus run-time dmesg,
> > both with the DTS change -- and without it.  There are no new warnings
> > (specifically nothing mentioning snvs-pwrkey or dts or power-off-time).
> >
> > If an invalid value (such as "42") is chosen then the probe fails with
> > -EINVAL as expected.
> >
> > Is there something else that I should have checked?
> 
> I don't know what your build logs process has. I meant dtbs_check
> against the bindings.

$ dt-validate -s Documentation/devicetree/bindings/input/input.yaml \
  arch/arm64/boot/dts/freescale/imx8mp-ppdv2.dtb 

Generated no warnings.  Which (IIUC) is as expected since there is no
change to the bindings in this (v2) series.

> 
> Best regards,
> Krzysztof

Thanks,
Ian