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From: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
To: Rob Herring <robh@kernel.org>
Cc: Miquel Raynal <miquel.raynal@bootlin.com>,
	Thomas Gleixner <tglx@linutronix.de>,
	Jason Cooper <jason@lakedaemon.net>,
	Marc Zyngier <marc.zyngier@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>, Andrew Lunn <andrew@lunn.ch>,
	Gregory Clement <gregory.clement@bootlin.com>,
	Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com>,
	Mark Rutland <mark.rutland@arm.com>,
	devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	Antoine Tenart <antoine.tenart@bootlin.com>,
	Maxime Chevallier <maxime.chevallier@bootlin.com>,
	Nadav Haklai <nadavh@marvell.com>, Haim Boot <hayim@marvell.com>,
	Hanna Hawa <hannah@marvell.com>,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH v2 12/16] dt-bindings/interrupt-controller: update Marvell ICU bindings
Date: Tue, 5 Jun 2018 22:35:10 +0200	[thread overview]
Message-ID: <20180605223510.0249b86c@windsurf> (raw)
In-Reply-To: <20180605202902.GA8875@rob-hp-laptop>

Hello,

On Tue, 5 Jun 2018 14:29:02 -0600, Rob Herring wrote:
> On Tue, May 22, 2018 at 11:40:38AM +0200, Miquel Raynal wrote:
> > Change the documentation to reflect the new bindings used for Marvell
> > ICU. This involves describing each interrupt group as a subnode of the
> > ICU node. Each of them having their own compatible.  
> 
> Need to explain why you need to do this and why breaking backwards 
> compatibility is okay.

It does not break backward compatibility. The driver changes keep
support for the previous DT binding where there was a single node with
no subnodes.

The DT binding documentation still documents the legacy binding,
because it is still supported, and still works.

Best regards,

Thomas
-- 
Thomas Petazzoni, CTO, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com

  reply	other threads:[~2018-06-05 20:35 UTC|newest]

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-05-22  9:40 [PATCH v2 00/16] Add System Error Interrupt support to Armada SoCs Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 01/16] dt-bindings/interrupt-controller: fix Marvell ICU length in the example Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 02/16] arm64: dts: marvell: fix CP110 ICU node size Miquel Raynal
2018-05-23  7:36   ` Gregory CLEMENT
2018-05-22  9:40 ` [PATCH v2 03/16] irqchip/irq-mvebu-icu: fix wrong private data retrieval Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 04/16] irqchip/irq-mvebu-icu: clarify the reset operation of configured interrupts Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 05/16] irqchip/irq-mvebu-icu: switch to regmap Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 06/16] irqchip/irq-mvebu-icu: make irq_domain local Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 07/16] irqchip/irq-mvebu-icu: disociate ICU and NSR Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 08/16] irqchip/irq-mvebu-icu: support ICU subnodes Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 09/16] irqchip/irq-mvebu-sei: add new driver for Marvell SEI Miquel Raynal
2018-05-23 14:05   ` Marc Zyngier
2018-06-08 10:26     ` Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 10/16] arm64: marvell: enable SEI driver Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 11/16] irqchip/irq-mvebu-icu: add support for System Error Interrupts (SEI) Miquel Raynal
2018-05-23 14:23   ` Marc Zyngier
2018-06-08 13:08     ` Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 12/16] dt-bindings/interrupt-controller: update Marvell ICU bindings Miquel Raynal
2018-06-05 20:29   ` Rob Herring
2018-06-05 20:35     ` Thomas Petazzoni [this message]
2018-06-08 14:00     ` Miquel Raynal
2018-06-08 21:34       ` Rob Herring
2018-05-22  9:40 ` [PATCH v2 13/16] dt-bindings/interrupt-controller: add documentation for Marvell SEI controller Miquel Raynal
2018-06-05 20:51   ` Rob Herring
2018-06-08 14:46     ` Miquel Raynal
2018-06-22 14:57       ` Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 14/16] arm64: dts: marvell: add AP806 SEI subnode Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 15/16] arm64: dts: marvell: use new bindings for CP110 interrupts Miquel Raynal
2018-05-22  9:40 ` [PATCH v2 16/16] arm64: dts: marvell: add CP110 ICU SEI subnode Miquel Raynal

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