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From: Manivannan Sadhasivam <mani@kernel.org>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>,
	vireshk@kernel.org, nm@ti.com, sboyd@kernel.org,
	myungjoo.ham@samsung.com, kyungmin.park@samsung.com,
	cw00.choi@samsung.com, andersson@kernel.org,
	konrad.dybcio@linaro.org, robh+dt@kernel.org,
	krzysztof.kozlowski+dt@linaro.org, conor+dt@kernel.org,
	linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org,
	quic_asutoshd@quicinc.com, quic_cang@quicinc.com,
	quic_nitirawa@quicinc.com, quic_narepall@quicinc.com,
	quic_bhaskarv@quicinc.com, quic_richardp@quicinc.com,
	quic_nguyenb@quicinc.com, quic_ziqichen@quicinc.com,
	bmasney@redhat.com, krzysztof.kozlowski@linaro.org
Subject: Re: [PATCH 04/14] arm64: dts: qcom: sdm845: Fix the min frequency of "ice_core_clk"
Date: Thu, 13 Jul 2023 13:07:50 +0530	[thread overview]
Message-ID: <20230713073750.GI3047@thinkpad> (raw)
In-Reply-To: <20230713073003.GE2199@sol.localdomain>

On Thu, Jul 13, 2023 at 12:30:03AM -0700, Eric Biggers wrote:
> On Wed, Jul 12, 2023 at 04:01:59PM +0530, Manivannan Sadhasivam wrote:
> > Minimum frequency of the "ice_core_clk" should be 75MHz as specified in the
> > downstream vendor devicetree. So fix it!
> > 
> > https://git.codelinaro.org/clo/la/kernel/msm-4.9/-/blob/LA.UM.7.3.r1-09300-sdm845.0/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > 
> > Fixes: cc16687fbd74 ("arm64: dts: qcom: sdm845: add UFS controller")
> > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
> > ---
> >  arch/arm64/boot/dts/qcom/sdm845.dtsi | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm64/boot/dts/qcom/sdm845.dtsi b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > index 9ed74bf72d05..89520a9fe1e3 100644
> > --- a/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > +++ b/arch/arm64/boot/dts/qcom/sdm845.dtsi
> > @@ -2614,7 +2614,7 @@ ufs_mem_hc: ufshc@1d84000 {
> >  				<0 0>,
> >  				<0 0>,
> >  				<0 0>,
> > -				<0 300000000>;
> > +				<75000000 300000000>;
> 
> Thanks for fixing this!  What was the visible effect of this bug, if any?

No, this was just based on inspection.

> Do you know why the minimum has that particular value?
> 

Min and max frequencies come from the Qcom's internal documentation where they
have calculated the freq range based on RPMh performance states.

> The Fixes tag is wrong; it should be:
> 
> Fixes: 433f9a57298f ("arm64: dts: sdm845: add Inline Crypto Engine registers and clock")
> 

Yikes! Thanks for noticing, will fix it.

- Mani

> - Eric

-- 
மணிவண்ணன் சதாசிவம்

  reply	other threads:[~2023-07-13  7:38 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2023-07-12 10:31 [PATCH 00/14] UFS: Add OPP and interconnect support Manivannan Sadhasivam
2023-07-12 10:31 ` [PATCH 01/14] dt-bindings: ufs: common: add OPP table Manivannan Sadhasivam
2023-07-12 10:31 ` [PATCH 02/14] dt-bindings: opp: Increase maxItems for opp-hz property Manivannan Sadhasivam
2023-07-12 10:39   ` Viresh Kumar
2023-07-12 11:04     ` Manivannan Sadhasivam
2023-07-14 16:17   ` Rob Herring
2023-07-17  7:00     ` Manivannan Sadhasivam
2023-07-12 10:31 ` [PATCH 03/14] arm64: dts: qcom: sdm845: Add missing RPMh power domain to GCC Manivannan Sadhasivam
2023-07-12 10:39   ` Konrad Dybcio
2023-07-12 10:31 ` [PATCH 04/14] arm64: dts: qcom: sdm845: Fix the min frequency of "ice_core_clk" Manivannan Sadhasivam
2023-07-12 10:45   ` Konrad Dybcio
2023-07-12 11:04     ` Manivannan Sadhasivam
2023-07-13  7:30   ` Eric Biggers
2023-07-13  7:37     ` Manivannan Sadhasivam [this message]
2023-07-12 10:32 ` [PATCH 05/14] arm64: dts: qcom: sdm845: Add OPP table support to UFSHC Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 06/14] arm64: dts: qcom: sm8250: " Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 07/14] OPP: Introduce dev_pm_opp_find_freq_{ceil/floor}_indexed() APIs Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 08/14] OPP: Introduce dev_pm_opp_get_freq_indexed() API Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 09/14] PM / devfreq: Switch to dev_pm_opp_find_freq_{ceil/floor}_indexed() APIs Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 10/14] scsi: ufs: core: Add OPP support for scaling clocks and regulators Manivannan Sadhasivam
2023-07-13  4:01   ` Viresh Kumar
2023-07-13  5:07     ` Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 10/13] scsi: ufs: host: Add support for parsing OPP Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 11/13] arm64: dts: qcom: sdm845: Add interconnect paths to UFSHC Manivannan Sadhasivam
2023-07-15 13:12   ` Konrad Dybcio
2023-07-12 10:32 ` [PATCH 11/14] scsi: ufs: host: Add support for parsing OPP Manivannan Sadhasivam
2023-07-12 13:15   ` Dmitry Baryshkov
2023-07-12 16:34     ` Manivannan Sadhasivam
2023-07-12 16:48       ` Dmitry Baryshkov
2023-07-13  4:09         ` Viresh Kumar
2023-07-13  5:05           ` Manivannan Sadhasivam
2023-07-13  5:12             ` Viresh Kumar
2023-07-13  5:28               ` Manivannan Sadhasivam
2023-07-13  5:43                 ` Viresh Kumar
2023-07-13  5:53                   ` Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 12/14] arm64: dts: qcom: sdm845: Add interconnect paths to UFSHC Manivannan Sadhasivam
2023-07-15 13:12   ` Konrad Dybcio
2023-07-12 10:32 ` [PATCH 12/13] arm64: dts: qcom: sm8250: " Manivannan Sadhasivam
2023-07-15 13:13   ` Konrad Dybcio
2023-07-12 10:32 ` [PATCH 13/14] " Manivannan Sadhasivam
2023-07-15 13:14   ` Konrad Dybcio
2023-07-12 10:32 ` [PATCH 13/13] scsi: ufs: qcom: Add support for scaling interconnects Manivannan Sadhasivam
2023-07-12 10:32 ` [PATCH 14/14] " Manivannan Sadhasivam
2023-07-12 13:22   ` Dmitry Baryshkov
2023-07-12 16:41     ` Manivannan Sadhasivam
2023-07-12 17:23       ` Dmitry Baryshkov
2023-07-13  5:20         ` Manivannan Sadhasivam
2023-07-12 10:40 ` [PATCH 00/14] UFS: Add OPP and interconnect support Manivannan Sadhasivam
2023-07-12 12:18   ` Dmitry Baryshkov
2023-07-12 12:27     ` Manivannan Sadhasivam
2023-07-12 11:02 ` John Garry
2023-07-12 11:12   ` Manivannan Sadhasivam

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