From: Robin Murphy <robin.murphy@arm.com>
To: Andrew Lunn <andrew@lunn.ch>, Linus Walleij <linus.walleij@linaro.org>
Cc: Mark Rutland <mark.rutland@arm.com>,
"open list:OPEN FIRMWARE AND FLATTENED DEVICE TREE BINDINGS"
<devicetree@vger.kernel.org>, Jason Cooper <jason@lakedaemon.net>,
"open list:GPIO SUBSYSTEM" <linux-gpio@vger.kernel.org>,
Gregory Clement <gregory.clement@bootlin.com>,
Russell King - ARM Linux admin <linux@armlinux.org.uk>,
linux-pwm@vger.kernel.org,
Bartosz Golaszewski <bgolaszewski@baylibre.com>,
Rob Herring <robh+dt@kernel.org>,
Thierry Reding <thierry.reding@gmail.com>,
Uwe Kleine-Konig <u.kleine-koenig@pengutronix.de>,
Linux ARM <linux-arm-kernel@lists.infradead.org>,
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>
Subject: Re: [PATCH RFC 0/6] PWM fan support on Clearfog gt8k
Date: Thu, 16 Apr 2020 15:37:40 +0100 [thread overview]
Message-ID: <5c7cb0ff-bf49-640a-3c4a-ef71495af7b7@arm.com> (raw)
In-Reply-To: <20200416135039.GL657811@lunn.ch>
On 2020-04-16 2:50 pm, Andrew Lunn wrote:
[...]
> Clocking with Marvell devices has always been interesting. Core IP
> like this gets reused between different generations of SoCs. The
> original Orion5x had no clock control at all. Latter SoCs have had
> more and more complex clock trees. So care has to be taken to not
> change old behaviour when adding support for new clocks.
FWIW, that sounds like a good argument for encoding the clock
requirements of each variant in the of_match_data, so the driver doesn't
have to simply trust the DT and hope.
Robin.
next prev parent reply other threads:[~2020-04-16 14:37 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-03-29 10:45 [PATCH RFC 0/6] PWM fan support on Clearfog gt8k Russell King - ARM Linux admin
2020-03-29 10:48 ` [PATCH RFC 1/6] gpio: mvebu: convert pwm to regmap Russell King
2020-03-29 10:48 ` [PATCH RFC 2/6] gpio: mvebu: honour EPROBE_DEFER for devm_clk_get() Russell King
2020-03-29 13:16 ` Uwe Kleine-König
2020-03-29 13:34 ` Russell King - ARM Linux admin
2020-03-29 18:00 ` Uwe Kleine-König
2020-03-29 18:22 ` Russell King - ARM Linux admin
2020-03-31 16:29 ` Uwe Kleine-König
2020-03-29 10:48 ` [PATCH RFC 3/6] gpio: mvebu: add PWM support for Armada 8k Russell King
2020-03-29 11:00 ` Russell King - ARM Linux admin
2020-03-29 10:48 ` [PATCH RFC 4/6] arm64: dts: armada-cp11x: add pwm support to GPIO blocks Russell King
2020-03-29 10:48 ` [PATCH RFC 5/6] arm64: dts: clearfog-gt-8k: add pwm-fan Russell King
2020-03-29 10:48 ` [PATCH RFC 6/6] arm64: dts: clearfog-gt-8k: add cooling maps Russell King
2020-04-16 7:51 ` [PATCH RFC 0/6] PWM fan support on Clearfog gt8k Linus Walleij
2020-04-16 8:14 ` Russell King - ARM Linux admin
2020-04-16 12:08 ` Linus Walleij
2020-04-16 14:53 ` Russell King - ARM Linux admin
2020-04-16 13:50 ` Andrew Lunn
2020-04-16 14:29 ` Russell King - ARM Linux admin
2020-04-16 14:36 ` Andrew Lunn
2020-04-16 14:41 ` Russell King - ARM Linux admin
2020-04-16 14:37 ` Robin Murphy [this message]
2020-04-16 14:42 ` Andrew Lunn
2020-04-16 16:20 ` Robin Murphy
2020-04-16 16:49 ` Andrew Lunn
2020-04-16 14:55 ` Russell King - ARM Linux admin
2020-04-16 15:55 ` Robin Murphy
2020-04-16 16:37 ` Russell King - ARM Linux admin
2020-04-16 16:49 ` Russell King - ARM Linux admin
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