From: Konrad Dybcio <konrad.dybcio@linaro.org>
To: Stephan Gerhold <stephan.gerhold@kernkonzept.com>,
Mark Brown <broonie@kernel.org>
Cc: Andy Gross <agross@kernel.org>,
Bjorn Andersson <andersson@kernel.org>,
Rob Herring <robh+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski+dt@linaro.org>,
Conor Dooley <conor+dt@kernel.org>,
Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>,
linux-arm-msm@vger.kernel.org, linux-spi@vger.kernel.org,
devicetree@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 2/4] spi: qup: Parse OPP table for DVFS support
Date: Wed, 13 Sep 2023 10:54:14 +0200 [thread overview]
Message-ID: <e07ae46a-2274-41d2-a079-029e1619e2b5@linaro.org> (raw)
In-Reply-To: <20230912-spi-qup-dvfs-v1-2-3e38aa09c2bd@kernkonzept.com>
On 12.09.2023 16:30, Stephan Gerhold wrote:
> Parse the OPP table from the device tree and use dev_pm_opp_set_rate()
> instead of clk_set_rate() to allow making performance state for power
> domains specified in the OPP table.
>
> This is needed to guarantee correct behavior of the clock, especially
> with the higher clock/SPI bus frequencies.
>
> Signed-off-by: Stephan Gerhold <stephan.gerhold@kernkonzept.com>
> ---
Acked-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Konrad
next prev parent reply other threads:[~2023-09-13 8:54 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-09-12 14:30 [PATCH 0/4] spi: qup: Allow scaling power domains and interconnect Stephan Gerhold
2023-09-12 14:30 ` [PATCH 1/4] spi: dt-bindings: qup: Document power-domains and OPP Stephan Gerhold
2023-09-13 8:18 ` Krzysztof Kozlowski
2023-09-12 14:30 ` [PATCH 2/4] spi: qup: Parse OPP table for DVFS support Stephan Gerhold
2023-09-13 8:54 ` Konrad Dybcio [this message]
2023-09-12 14:30 ` [PATCH 3/4] spi: dt-bindings: qup: Document interconnects Stephan Gerhold
2023-09-13 8:19 ` Krzysztof Kozlowski
2023-09-12 14:30 ` [PATCH 4/4] spi: qup: Vote for interconnect bandwidth to DRAM Stephan Gerhold
2023-09-13 9:26 ` Stephan Gerhold
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