From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Sam Protsenko <semen.protsenko@linaro.org>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Tomasz Figa <tomasz.figa@gmail.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: (subset) [PATCH v2 1/3] clk: samsung: exynos850: Propagate SPI IPCLK rate change
Date: Thu, 01 Feb 2024 11:36:41 +0100 [thread overview]
Message-ID: <170678380102.179994.1389430718462116561.b4-ty@linaro.org> (raw)
In-Reply-To: <20240125013858.3986-2-semen.protsenko@linaro.org>
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@linaro.org>
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WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Rob Herring <robh+dt@kernel.org>,
Conor Dooley <conor+dt@kernel.org>,
Sam Protsenko <semen.protsenko@linaro.org>
Cc: Tudor Ambarus <tudor.ambarus@linaro.org>,
Alim Akhtar <alim.akhtar@samsung.com>,
Sylwester Nawrocki <s.nawrocki@samsung.com>,
Tomasz Figa <tomasz.figa@gmail.com>,
Chanwoo Choi <cw00.choi@samsung.com>,
linux-samsung-soc@vger.kernel.org, devicetree@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
linux-arm-kernel@lists.infradead.org
Subject: Re: (subset) [PATCH v2 1/3] clk: samsung: exynos850: Propagate SPI IPCLK rate change
Date: Thu, 01 Feb 2024 11:36:41 +0100 [thread overview]
Message-ID: <170678380102.179994.1389430718462116561.b4-ty@linaro.org> (raw)
In-Reply-To: <20240125013858.3986-2-semen.protsenko@linaro.org>
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@linaro.org>
next prev parent reply other threads:[~2024-02-01 10:36 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-01-25 1:38 [PATCH v2 0/3] arm64: exynos: Enable SPI for Exynos850 Sam Protsenko
2024-01-25 1:38 ` Sam Protsenko
2024-01-25 1:38 ` [PATCH v2 1/3] clk: samsung: exynos850: Propagate SPI IPCLK rate change Sam Protsenko
2024-01-25 1:38 ` Sam Protsenko
2024-01-29 17:46 ` Tudor Ambarus
2024-01-29 17:46 ` Tudor Ambarus
2024-02-01 10:36 ` Krzysztof Kozlowski [this message]
2024-02-01 10:36 ` (subset) " Krzysztof Kozlowski
2024-01-25 1:38 ` [PATCH v2 2/3] arm64: dts: exynos: Add PDMA node for Exynos850 Sam Protsenko
2024-01-25 1:38 ` Sam Protsenko
2024-02-01 10:36 ` (subset) " Krzysztof Kozlowski
2024-02-01 10:36 ` Krzysztof Kozlowski
2024-01-25 1:38 ` [PATCH v2 3/3] arm64: dts: exynos: Add SPI nodes " Sam Protsenko
2024-01-25 1:38 ` Sam Protsenko
2024-01-29 17:51 ` Tudor Ambarus
2024-01-29 17:51 ` Tudor Ambarus
2024-01-29 19:39 ` Sam Protsenko
2024-01-29 19:39 ` Sam Protsenko
2024-01-30 6:11 ` Tudor Ambarus
2024-01-30 6:11 ` Tudor Ambarus
2024-02-01 10:31 ` Krzysztof Kozlowski
2024-02-01 10:31 ` Krzysztof Kozlowski
2024-02-01 14:22 ` Sam Protsenko
2024-02-01 14:22 ` Sam Protsenko
2024-02-01 10:36 ` (subset) " Krzysztof Kozlowski
2024-02-01 10:36 ` Krzysztof Kozlowski
2024-02-01 11:56 ` Krzysztof Kozlowski
2024-02-01 11:56 ` Krzysztof Kozlowski
2024-02-01 18:24 ` Sam Protsenko
2024-02-01 18:24 ` Sam Protsenko
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