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Message-ID: <7fff9d25-e24a-c73e-b14f-12c66607fe3a@suse.de>
Date: Sun, 27 Oct 2019 03:04:38 +0100
From: Andreas Färber <afaerber@...e.de>
To: Rob Herring <robh@...nel.org>,
Wim Van Sebroeck <wim@...ux-watchdog.org>,
Guenter Roeck <linux@...ck-us.net>
Cc: Mark Rutland <mark.rutland@....com>, devicetree@...r.kernel.org,
linux-watchdog@...r.kernel.org,
linux-realtek-soc@...ts.infradead.org,
linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org
Subject: Re: [PATCH v2 1/8] dt-bindings: watchdog: realtek: Convert RTD119x to
schema
Am 25.10.19 um 23:24 schrieb Andreas Färber:
> Am 25.10.19 um 23:16 schrieb Rob Herring:
>> On Sun, Oct 20, 2019 at 06:08:10AM +0200, Andreas Färber wrote:
>>> +properties:
>>> + compatible:
>>> + oneOf:
>>> + - const: realtek,rtd1295-watchdog
>>
>> You can drop the 'oneOf' here unless you're planning to add another
>> entry with 2 compatible strings.
>
> It's a preparation for adding rtd1195-watchdog when needed, to make
> future diffs smaller. There's also RTD1395 and RTD1619 to be tested.
>
>> With that,
>>
>> Reviewed-by: Rob Herring <robh@...nel.org>
Self-NAK.
The example doesn't pass dt_binding_check: It doesn't like the tabs
retained from the original binding. Replacing them with four spaces
makes it pass. Will post a v3.
As for the compatibles, currently in the rtd1195.dtsi patch I'm reusing
"realtek,rtd1295-watchdog", to avoid a dependency on the watchdog tree.
Long-term that's kind of ugly as it uses a later model number.
That leaves us with two alternatives:
a) "realtek,rtd1195-watchdog", "realtek,rtd1295-watchdog" - this
requires oneOf. Allows to distinguish between RTD1195 and RTD1295 while
remaining compatible with the current driver.
b) "realtek,rtd1195-watchdog" - requires the driver change now and
requires the binding to be merged before I can use it in the DT but
doesn't need oneOf here.
Guenter, any preference here?
Thanks,
Andreas
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