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From: Linus Walleij <linus.walleij@linaro.org>
To: Andy Shevchenko <andy@kernel.org>
Cc: Linus Walleij <linusw@kernel.org>, Imre Kaloz <kaloz@openwrt.org>,
	 Krzysztof Halasa <khalasa@piap.pl>,
	Bartosz Golaszewski <brgl@bgdev.pl>,
	Rob Herring <robh+dt@kernel.org>,
	 Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
	Conor Dooley <conor+dt@kernel.org>,
	 linux-arm-kernel@lists.infradead.org,
	linux-gpio@vger.kernel.org,  devicetree@vger.kernel.org
Subject: Re: [PATCH 2/2] gpio: ixp4xx: Handle clock output on pin 14 and 15
Date: Thu, 21 Sep 2023 14:34:02 +0200	[thread overview]
Message-ID: <CACRpkdadMCXyWYycMHZ0m7ZscTayJs=378e8DPJDkEEyTOeLUA@mail.gmail.com> (raw)
In-Reply-To: <ZQwngrU9fxdSGSKs@smile.fi.intel.com>

On Thu, Sep 21, 2023 at 1:23 PM Andy Shevchenko <andy@kernel.org> wrote:

> Maybe
>
>         if (...)
>                 val = 0;
>         else
>                 val = readl();
>
> ?

Neat, I'll do this!

> > +     /*
> > +      * Enable clock outputs with default timings of requested clock.
> > +      * If you need control over TC and DC, add these to the device
> > +      * tree bindings and use them here.
> > +      */
>
> Shouldn't this be integrated into PPS subsystem?

PPS is for GPS, we *could* integrate it into the clk subsystem (with
configuration cells and all hoopla) but as I state in the cover letter
I think it becomes overengineered for this legacy system, there are
no users or benefit of that added complexity as compared to these
few-liners.

Yours,
Linus Walleij

      reply	other threads:[~2023-09-21 18:10 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-09-20 22:23 [PATCH 0/2] gpio: ixp4xx: Handle external clock output Linus Walleij
2023-09-20 22:23 ` [PATCH 1/2] gpio: Rewrite IXP4xx GPIO bindings in schema Linus Walleij
2023-09-21 18:44   ` Rob Herring
2023-09-20 22:23 ` [PATCH 2/2] gpio: ixp4xx: Handle clock output on pin 14 and 15 Linus Walleij
2023-09-21 11:22   ` Andy Shevchenko
2023-09-21 12:34     ` Linus Walleij [this message]

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