From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Cristian Ciocaltea <cristian.ciocaltea@collabora.com>,
Sudeep Holla <sudeep.holla@arm.com>,
Cristian Marussi <cristian.marussi@arm.com>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Liam Girdwood <lgirdwood@gmail.com>,
Mark Brown <broonie@kernel.org>,
Nicolas Frattaroli <frattaroli.nicolas@gmail.com>,
Heiko Stuebner <heiko@sntech.de>,
Jaroslav Kysela <perex@perex.cz>, Takashi Iwai <tiwai@suse.com>,
Paul Walmsley <paul.walmsley@sifive.com>,
Palmer Dabbelt <palmer@dabbelt.com>,
Albert Ou <aou@eecs.berkeley.edu>,
Daniel Drake <drake@endlessm.com>,
Katsuhiro Suzuki <katsuhiro@katsuster.net>
Cc: linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-serial@vger.kernel.org,
alsa-devel@alsa-project.org, linux-rockchip@lists.infradead.org,
linux-riscv@lists.infradead.org, kernel@collabora.com
Subject: Re: [PATCH 02/11] dt-bindings: serial: snps-dw-apb-uart: Relax dma-names order constraint
Date: Fri, 17 Mar 2023 16:54:47 +0100 [thread overview]
Message-ID: <80796828-7b38-184a-2e8e-3cfe9158b67f@linaro.org> (raw)
In-Reply-To: <8ae57fe3-56aa-7e50-3eaa-a12a40657baf@collabora.com>
On 17/03/2023 11:21, Cristian Ciocaltea wrote:
> On 3/17/23 10:31, Krzysztof Kozlowski wrote:
>> On 15/03/2023 12:47, Cristian Ciocaltea wrote:
>>> Commit 370f696e4474 ("dt-bindings: serial: snps-dw-apb-uart: add dma &
>>> dma-names properties") documented dma-names property to handle Allwiner
>>> D1 dtbs_check warnings, but relies on a strict rx->tx ordering, which is
>>> the reverse of what a different board expects:
>>>
>>> rk3326-odroid-go2.dtb: serial@ff030000: dma-names:0: 'rx' was expected
>>>
>>> A quick and incomplete check shows the inconsistency is present in many
>>> other DT files:
>>
>> Why not fixing the DTS? The properties should have fixed order.
>
> I was initially concerned about the risk of a potential ABI breakage,
> but I think that's not really a problem since dma-names is not directly
> accessed in the driver and DT Kernel API doesn't rely on a particular order.
>
> If there are no objections, I would switch the order in the binding to
> tx->rx, since that's what most of the DTS use, and fix the remaining ones.
Since we added the order recently, I rather assume it is the correct or
preferred one.
Best regards,
Krzysztof
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next prev parent reply other threads:[~2023-03-17 15:55 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-03-15 11:47 [PATCH 00/11] Enable I2S support for RK3588/RK3588S SoCs Cristian Ciocaltea
2023-03-15 11:47 ` [PATCH 01/11] dt-bindings: firmware: arm,scmi: Document assigned-clocks and assigned-clock-rates Cristian Ciocaltea
2023-03-16 20:34 ` Rob Herring
2023-03-16 22:26 ` Sudeep Holla
2023-03-17 9:59 ` Cristian Ciocaltea
2023-03-17 14:27 ` Rob Herring
2023-03-17 17:21 ` Cristian Ciocaltea
2023-03-15 11:47 ` [PATCH 02/11] dt-bindings: serial: snps-dw-apb-uart: Relax dma-names order constraint Cristian Ciocaltea
2023-03-17 8:31 ` Krzysztof Kozlowski
2023-03-17 10:21 ` Cristian Ciocaltea
2023-03-17 15:54 ` Krzysztof Kozlowski [this message]
2023-03-17 16:26 ` Conor Dooley
2023-03-17 17:43 ` Cristian Ciocaltea
2023-03-20 16:01 ` Rob Herring
2023-03-20 19:23 ` Cristian Ciocaltea
[not found] ` <167904851367.26.16449705310108549543@mailman-core.alsa-project.org>
2023-03-20 15:58 ` Rob Herring
2023-03-20 16:28 ` Mark Brown
2023-03-15 11:47 ` [PATCH 03/11] ASoC: dt-bindings: everest,es8316: Document audio graph port Cristian Ciocaltea
2023-03-20 16:02 ` Rob Herring
2023-03-15 11:47 ` [PATCH 04/11] ASoC: dt-bindings: rockchip: " Cristian Ciocaltea
2023-03-20 16:02 ` Rob Herring
2023-03-15 11:48 ` [PATCH 05/11] ASoC: dt-bindings: rockchip: i2s-tdm: " Cristian Ciocaltea
2023-03-20 16:02 ` Rob Herring
2023-03-15 11:48 ` [PATCH 06/11] ASoC: dt-bindings: rockchip: i2s-tdm: Document power-domains Cristian Ciocaltea
2023-03-20 16:03 ` Rob Herring
2023-03-15 11:48 ` [PATCH 07/11] ASoC: dt-bindings: rockchip: Add compatible for RK3588 Cristian Ciocaltea
2023-03-20 16:03 ` Rob Herring
2023-03-15 11:48 ` [PATCH 08/11] ASoC: rockchip: i2s: " Cristian Ciocaltea
2023-03-15 11:48 ` [PATCH 09/11] arm64: dts: rockchip: rk3588s: Add I2S nodes Cristian Ciocaltea
2023-03-15 11:48 ` [PATCH 10/11] arm64: dts: rockchip: rk3588: " Cristian Ciocaltea
2023-03-15 11:48 ` [PATCH 11/11] arm64: dts: rockchip: rk3588-rock-5b: Add analog audio Cristian Ciocaltea
2023-03-20 18:31 ` (subset) [PATCH 00/11] Enable I2S support for RK3588/RK3588S SoCs Mark Brown
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