From: Mark Brown <broonie@kernel.org>
To: Matthias Schiffer <matthias.schiffer@ew.tq-group.com>
Cc: Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Linus Walleij <linus.walleij@linaro.org>,
linux-spi@vger.kernel.org, devicetree@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org, linux@ew.tq-group.com
Subject: Re: [PATCH 1/2] spi: dt-bindings: introduce linux,use-rt-queue flag
Date: Fri, 2 Jun 2023 13:22:36 +0100 [thread overview]
Message-ID: <628b7411-7d12-4915-80c8-cabb74ac6590@sirena.org.uk> (raw)
In-Reply-To: <20230602115201.415718-1-matthias.schiffer@ew.tq-group.com>
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On Fri, Jun 02, 2023 at 01:52:00PM +0200, Matthias Schiffer wrote:
> We have seen a number of downstream patches that allow enabling the
> realtime feature of the SPI subsystem to reduce latency. These were
> usually implemented for a specific SPI driver, even though the actual
> handling of the rt flag is happening in the generic SPI controller code.
>
> Introduce a generic linux,use-rt-queue flag that can be used with any
> controller driver. The now redundant driver-specific pl022,rt flag is
> marked as deprecated.
This is clearly OS specific tuning so out of scope for DT...
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next prev parent reply other threads:[~2023-06-02 12:23 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-06-02 11:52 [PATCH 1/2] spi: dt-bindings: introduce linux,use-rt-queue flag Matthias Schiffer
2023-06-02 11:52 ` [PATCH 2/2] spi: add support for generic " Matthias Schiffer
2023-06-02 12:22 ` Mark Brown [this message]
2023-06-06 14:37 ` [PATCH 1/2] spi: dt-bindings: introduce " Linus Walleij
2023-06-06 14:44 ` Mark Brown
2023-06-07 12:55 ` Matthias Schiffer
2023-06-07 14:21 ` Mark Brown
2023-06-07 14:28 ` Krzysztof Kozlowski
2023-06-09 7:41 ` Linus Walleij
2023-06-09 8:15 ` Alexander Stein
2023-06-09 8:42 ` Linus Walleij
2023-06-09 9:13 ` Alexander Stein
2023-06-09 9:22 ` Linus Walleij
2023-06-09 9:34 ` Mark Brown
2023-06-09 9:33 ` Mark Brown
2023-06-14 19:30 ` Rob Herring
2023-06-14 19:59 ` Linus Walleij
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