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Date: Thu, 01 Feb 2024 11:36:41 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
Rob Herring <robh+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
Sam Protsenko <semen.protsenko@...aro.org>
Cc: Tudor Ambarus <tudor.ambarus@...aro.org>,
Alim Akhtar <alim.akhtar@...sung.com>,
Sylwester Nawrocki <s.nawrocki@...sung.com>,
Tomasz Figa <tomasz.figa@...il.com>, Chanwoo Choi <cw00.choi@...sung.com>,
linux-samsung-soc@...r.kernel.org, devicetree@...r.kernel.org,
linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
linux-arm-kernel@...ts.infradead.org
Subject: Re: (subset) [PATCH v2 1/3] clk: samsung: exynos850: Propagate SPI
IPCLK rate change
On Wed, 24 Jan 2024 19:38:56 -0600, Sam Protsenko wrote:
> When SPI transfer is being prepared, the spi-s3c64xx driver will call
> clk_set_rate() to change the rate of SPI source clock (IPCLK). But IPCLK
> is a gate (leaf) clock, so it must propagate the rate change up the
> clock tree, so that corresponding DIV clocks can actually change their
> divider values. Add CLK_SET_RATE_PARENT flag to corresponding clocks for
> all SPI instances in Exynos850 (spi_0, spi_1 and spi_2) to make it
> possible. This change involves next clocks:
>
> [...]
Applied, thanks!
[1/3] clk: samsung: exynos850: Propagate SPI IPCLK rate change
https://git.kernel.org/krzk/linux/c/67c15187d4910ee353374676d4dddf09d8cb227e
Best regards,
--
Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
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