linux-kernel - Re: [PATCH v2 04/15] arm64: dts: qcom: sdm845: Fix the min frequency of "ice_core

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Message-ID: <20230724054831.GB2370@thinkpad>
Date:   Mon, 24 Jul 2023 11:18:31 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Bjorn Andersson <andersson@...nel.org>
Cc:     Viresh Kumar <viresh.kumar@...aro.org>, vireshk@...nel.org,
        nm@...com, sboyd@...nel.org, myungjoo.ham@...sung.com,
        kyungmin.park@...sung.com, cw00.choi@...sung.com,
        konrad.dybcio@...aro.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        jejb@...ux.ibm.com, martin.petersen@...cle.com,
        alim.akhtar@...sung.com, avri.altman@....com, bvanassche@....org,
        linux-scsi@...r.kernel.org, linux-pm@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        quic_asutoshd@...cinc.com, quic_cang@...cinc.com,
        quic_nitirawa@...cinc.com, quic_narepall@...cinc.com,
        quic_bhaskarv@...cinc.com, quic_richardp@...cinc.com,
        quic_nguyenb@...cinc.com, quic_ziqichen@...cinc.com,
        bmasney@...hat.com, krzysztof.kozlowski@...aro.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 04/15] arm64: dts: qcom: sdm845: Fix the min frequency
 of "ice_core_clk"

On Fri, Jul 21, 2023 at 08:15:36PM -0700, Bjorn Andersson wrote:
> On Fri, Jul 21, 2023 at 05:27:31PM +0530, Manivannan Sadhasivam wrote:
> > On Fri, Jul 21, 2023 at 12:48:01PM +0530, Viresh Kumar wrote:
> > > On 20-07-23, 11:10, 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: 433f9a57298f ("arm64: dts: sdm845: add Inline Crypto Engine registers and clock")
> > > > Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.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@...4000 {
> > > >  				<0 0>,
> > > >  				<0 0>,
> > > >  				<0 0>,
> > > > -				<0 300000000>;
> > > > +				<75000000 300000000>;
> > > >  
> > > >  			status = "disabled";
> > > >  		};
> > > 
> > > Please keep new feature and fixes like this in separate series. This
> > > could be merged directly in the currently ongoing kernel rc and
> > > doesn't need to wait for this series.
> > > 
> > > Or at least keep the commit at the top, so another maintainer can
> > > simply pick it.
> > > 
> > 
> > That's what I did. This patch and previous patch are the fixes patches, so they
> > are posted on top of other dts patches to be merged separately if required.
> > 
> 
> I agree with Viresh, this is patch 4 in a series where 1-2, 7- are new
> things.
> 
> I can pick this from here, but I think it would have been better to send
> this as 3-4 different series; 1 with DeviceTree fixes, 1 with driver
> fixes, one that adds interconnect support and one that adds opp support
> - the latter two with dts changes last...
> 
> 
> And, the freq-table-hz -> opp transition in dts files must be merged
> after the driver changes, so this will likely have to wait until 1
> release after the driver changes.
> 

Hmm, Ok. Let me resend the series as you suggested (excluding the patches
already merged).

- Mani

> Regards,
> Bjorn

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