From: Rob Herring <robh@kernel.org>
To: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: devicetree@vger.kernel.org, linux-rpi-kernel@lists.infradead.org,
linux-arm-kernel@lists.infradead.org, linux-gpio@vger.kernel.org,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Florian Fainelli <florian.fainelli@broadcom.com>,
Broadcom internal kernel review list
<bcm-kernel-feedback-list@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
Scott Branden <sbranden@broadcom.com>,
Linus Walleij <linus.walleij@linaro.org>,
Bartosz Golaszewski <brgl@bgdev.pl>,
Eric Anholt <eric@anholt.net>, Stefan Wahren <wahrenst@gmx.net>
Subject: Re: [PATCH 1/2] dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add missing properties
Date: Tue, 26 Mar 2024 16:30:53 -0500 [thread overview]
Message-ID: <20240326213053.GA3562515-robh@kernel.org> (raw)
In-Reply-To: <20240326004902.17054-2-laurent.pinchart@ideasonboard.com>
On Tue, Mar 26, 2024 at 02:49:01AM +0200, Laurent Pinchart wrote:
> The raspberrypi,bcm2835-firmware devices requires a dma-ranges property,
> and, as a result, also needs to specify #address-cells and #size-cells.
> Those properties have been added to thebcm2835-rpi.dtsi in commits
> be08d278eb09 ("ARM: dts: bcm283x: Add cells encoding format to firmware
> bus") and 55c7c0621078 ("ARM: dts: bcm283x: Fix vc4's firmware bus DMA
> limitations"), but the DT bindings haven't been updated, resulting in
> validation errors:
I don't understand. We treat no dma-ranges the same as empty dma-ranges
(dma-ranges;). If we didn't, *every* DT would be broken.
We should never have dma-ranges without ranges either.
Rob
next prev parent reply other threads:[~2024-03-26 21:30 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-03-26 0:49 [PATCH 0/2] dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Drive-by fixes Laurent Pinchart
2024-03-26 0:49 ` [PATCH 1/2] dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add missing properties Laurent Pinchart
2024-03-26 7:06 ` Krzysztof Kozlowski
2024-03-26 11:47 ` Stefan Wahren
2024-03-26 17:18 ` Laurent Pinchart
2024-03-26 17:40 ` Stefan Wahren
2024-03-26 18:00 ` Laurent Pinchart
2024-03-26 18:41 ` Dave Stevenson
2024-03-26 21:30 ` Rob Herring [this message]
2024-03-26 21:53 ` Laurent Pinchart
2024-03-26 0:49 ` [PATCH 2/2] dt-bindings: arm: bcm: raspberrypi,bcm2835-firmware: Add gpio child node Laurent Pinchart
2024-03-26 7:09 ` Krzysztof Kozlowski
2024-03-26 17:28 ` Laurent Pinchart
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