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From: Michael Walle <michael@walle.cc>
To: Lee Jones <lee.jones@linaro.org>
Cc: linux-gpio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org,
	linux-pwm@vger.kernel.org, linux-watchdog@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	"Linus Walleij" <linus.walleij@linaro.org>,
	"Bartosz Golaszewski" <bgolaszewski@baylibre.com>,
	"Rob Herring" <robh+dt@kernel.org>,
	"Jean Delvare" <jdelvare@suse.com>,
	"Guenter Roeck" <linux@roeck-us.net>,
	"Thierry Reding" <thierry.reding@gmail.com>,
	"Uwe Kleine-König" <u.kleine-koenig@pengutronix.de>,
	"Wim Van Sebroeck" <wim@linux-watchdog.org>,
	"Shawn Guo" <shawnguo@kernel.org>, "Li Yang" <leoyang.li@nxp.com>,
	"Thomas Gleixner" <tglx@linutronix.de>,
	"Jason Cooper" <jason@lakedaemon.net>,
	"Marc Zyngier" <maz@kernel.org>,
	"Mark Brown" <broonie@kernel.org>,
	"Greg Kroah-Hartman" <gregkh@linuxfoundation.org>,
	"Andy Shevchenko" <andriy.shevchenko@linux.intel.com>,
	"Catalin Marinas" <catalin.marinas@arm.com>,
	"Will Deacon" <will@kernel.org>, "Pavel Machek" <pavel@ucw.cz>,
	"Rob Herring" <robh@kernel.org>
Subject: Re: [PATCH v6 02/13] dt-bindings: mfd: Add bindings for sl28cpld
Date: Tue, 28 Jul 2020 11:39:30 +0200
Message-ID: <7aebbd1986d1a0e57fd34c2ccf5e03e3@walle.cc> (raw)
In-Reply-To: <20200728092016.GE2419169@dell>

Am 2020-07-28 11:20, schrieb Lee Jones:
>> What sounds bogus? That we name the implementation sl28cpld?
>> How is that different to like adt7411? Its just a name made up by
>> the vendor. So if there is a new version of the adt7411 the vendor
>> might name it adt7412.
> 
> Using an arbitrary string as a compatible would be bogus.
> 
> So here 'sl28cpld' is the device name, so it's not actually
> arbitrary.  That's a good start.
> 
>> We name it sl28cpld-r2. So what is the problem here?
> 
> Do you though?  So 'sl28cpld-r1' is the name of the device?  The name
> that is quoted from the (private) datasheet?  Because looking at the
> implementation and going by the conversation, it sounds as though
> you-re only adding the '-r1' piece to the compatible string for
> revision identification.  Which if true, is not usually allowed and
> warrants intervention by Rob.

Revisions would imply backwards compatibility, correct? I'm not
aming for that. Yes, I appended that "-r1" (in the lack of any
better suffix) because I didn't want to tie the base name to the
simple MFD, just in case. And isn't that the whole purpose of
the compatible string? To connect a driver to a piece of
hardware?

But even here, I don't care anymore. I strip it again. So future
incarnations which aren't compatible with simple mfd will need
another name. So what.

-michael

  reply index

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-25 23:18 [PATCH v6 00/13] Add support for Kontron sl28cpld Michael Walle
2020-07-25 23:18 ` [PATCH v6 01/13] mfd: add simple regmap based I2C driver Michael Walle
2020-07-28  7:19   ` Lee Jones
2020-07-28  7:42     ` Michael Walle
2020-07-28  8:15       ` Lee Jones
2020-07-28  8:27         ` Michael Walle
2020-07-28  8:35           ` Lee Jones
2020-07-25 23:18 ` [PATCH v6 02/13] dt-bindings: mfd: Add bindings for sl28cpld Michael Walle
2020-07-28  7:24   ` Lee Jones
2020-07-28  7:57     ` Michael Walle
2020-07-28  8:27       ` Lee Jones
2020-07-28  8:38         ` Michael Walle
2020-07-28  8:56           ` Lee Jones
2020-07-28  9:06             ` Michael Walle
2020-07-28  9:20               ` Lee Jones
2020-07-28  9:39                 ` Michael Walle [this message]
2020-07-25 23:18 ` [PATCH v6 03/13] mfd: simple-mfd-i2c: add sl28cpld support Michael Walle
2020-07-28  7:25   ` Lee Jones
2020-07-25 23:18 ` [PATCH v6 04/13] irqchip: add sl28cpld interrupt controller support Michael Walle
2020-07-25 23:18 ` [PATCH v6 05/13] watchdog: add support for sl28cpld watchdog Michael Walle
2020-07-25 23:18 ` [PATCH v6 06/13] pwm: add support for sl28cpld PWM controller Michael Walle
2020-07-27  7:30   ` Thierry Reding
2020-07-28  7:43   ` Uwe Kleine-König
2020-07-28  8:21     ` Michael Walle
2020-07-28  9:47       ` Uwe Kleine-König
2020-07-28 10:51         ` Lee Jones
2020-07-25 23:18 ` [PATCH v6 07/13] gpio: add support for the sl28cpld GPIO controller Michael Walle
2020-07-26  9:16   ` Andy Shevchenko
2020-07-25 23:18 ` [PATCH v6 08/13] hwmon: add support for the sl28cpld hardware monitoring controller Michael Walle
2020-07-26  9:18   ` Andy Shevchenko
2020-07-25 23:18 ` [PATCH v6 09/13] arm64: dts: freescale: sl28: enable sl28cpld Michael Walle
2020-07-25 23:18 ` [PATCH v6 10/13] arm64: dts: freescale: sl28: map GPIOs to input events Michael Walle
2020-07-25 23:18 ` [PATCH v6 11/13] arm64: dts: freescale: sl28: enable LED support Michael Walle
2020-07-25 23:18 ` [PATCH v6 12/13] arm64: dts: freescale: sl28: enable fan support Michael Walle
2020-07-25 23:18 ` [PATCH v6 13/13] arm64: defconfig: enable the sl28cpld board management controller Michael Walle

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