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

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Message-ID: <Z9e_tDOj60JZx350@9d87bb81463c>
Date: Mon, 17 Mar 2025 08:22:44 +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 Sun, Mar 16, 2025 at 02:03:52PM +0100, Krzysztof Kozlowski wrote:
> On 14/03/2025 15:47, Ian Ray wrote:
> > 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
> 
> 
> input.yaml is not your binding, unless something changed. Did it? Is it
> being applied here?
> 

Ah, I see (finally); thank you for this!  Submitted v3 at [1].

[1] https://lore.kernel.org/lkml/20250315093455.1100-1-ian.ray@gehealthcare.com/


> Test all bindings, so your schema will be applied.
> 
> <form letter>
> It does not look like you tested the DTS against bindings. Please run
> `make dtbs_check W=1` (see
> Documentation/devicetree/bindings/writing-schema.rst or
> https://www.linaro.org/blog/tips-and-tricks-for-validating-devicetree-sources-with-the-devicetree-schema/
> for instructions).
> Maybe you need to update your dtschema and yamllint. Don't rely on
> distro packages for dtschema and be sure you are using the latest
> released dtschema.
> </form letter>
> 
> Best regards,
> Krzysztof

Best regards,
Ian