Re: [PATCH v5 5/5] pwm: meson: add generic compatible for meson8 to sm1

From: Jerome Brunet <jbrunet@baylibre.com>
To: "Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>
Cc: Jerome Brunet <jbrunet@baylibre.com>,
	Neil Armstrong <neil.armstrong@linaro.org>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Kevin Hilman <khilman@baylibre.com>,
	devicetree@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-amlogic@lists.infradead.org, linux-pwm@vger.kernel.org,
	JunYi Zhao <junyi.zhao@amlogic.com>
Subject: Re: [PATCH v5 5/5] pwm: meson: add generic compatible for meson8 to sm1
Date: Thu, 18 Apr 2024 13:57:03 +0200	[thread overview]
Message-ID: <1jplumc276.fsf@starbuckisacylon.baylibre.com> (raw)
In-Reply-To: <24ec3iiudmfapiosygpsvgu7kmdqe6csbkpuzx3p3sa4oyodqu@hshmbpvzhufb>

On Fri 12 Apr 2024 at 14:08, Uwe Kleine-König <u.kleine-koenig@pengutronix.de> wrote:

> [[PGP Signed Part:Undecided]]
> On Wed, Feb 21, 2024 at 04:11:51PM +0100, Jerome Brunet wrote:
>> Introduce a new compatible support in the Amlogic PWM driver.
>> 
>> The PWM HW is actually the same for all SoCs supported so far. A specific
>> compatible is needed only because the clock sources of the PWMs are
>> hard-coded in the driver.
>> 
>> It is better to have the clock source described in DT but this changes the
>> bindings so a new compatible must be introduced.
>> 
>> When all supported platform have migrated to the new compatible, support
>> for the legacy ones may be removed from the driver.
>> 
>> The addition of this new compatible makes the old ones obsolete, as
>> described in the DT documentation.
>> 
>> Adding a callback to setup the clock will also make it easier to add
>> support for the new PWM HW found in a1, s4, c3 and t7 SoC families.
>> 
>> Signed-off-by: Jerome Brunet <jbrunet@baylibre.com>
>
> After spending some brain cycles on this one I think I understood it.
> Looks fine to me, I only considered questioning if the dev_warn_once is
> too offensive.
>
> b4 + git applied the patch just fine even without patch #4 of this
> series. Would you be so kind to double check it works as intended?

It does, Thx.

>
> BTW, b4 diagnosed:
>
> Checking attestation on all messages, may take a moment...
> ---
>   ✗ [PATCH v5 5/5] pwm: meson: add generic compatible for meson8 to sm1
>     + Link: https://lore.kernel.org/r/20240221151154.26452-6-jbrunet@baylibre.com
>     + Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
>   ---
>   ✗ BADSIG: DKIM/baylibre-com.20230601.gappssmtp.com
>
> Is this only because it took me so long to reply, or is there a
> configuration issue with the baylibre MTA?

I have no idea. This is the first time this is reported

>
> Best regards
> Uwe

-- 
Jerome