linux-kernel - Re: [PATCH 04/14] arm64: dts: qcom: sdm845: Fix the min frequency of "ice_core

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Message-ID: <20230712110403.GR102214@thinkpad>
Date:   Wed, 12 Jul 2023 16:34:03 +0530
From:   Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
To:     Konrad Dybcio <konrad.dybcio@...aro.org>
Cc:     vireshk@...nel.org, nm@...com, sboyd@...nel.org,
        myungjoo.ham@...sung.com, kyungmin.park@...sung.com,
        cw00.choi@...sung.com, andersson@...nel.org, robh+dt@...nel.org,
        krzysztof.kozlowski+dt@...aro.org, conor+dt@...nel.org,
        linux-pm@...r.kernel.org, linux-kernel@...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
Subject: Re: [PATCH 04/14] arm64: dts: qcom: sdm845: Fix the min frequency of
 "ice_core_clk"

On Wed, Jul 12, 2023 at 12:45:40PM +0200, Konrad Dybcio wrote:
> On 12.07.2023 12:31, 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@...aro.org>
> > ---
> Would it make sense to move the ICE to the new bindings instead?
> 

That can be done later if required. Fixing the frequency just in this patch
allows it to get backported to stable.

> Can sdm845's ICE also work with the sdcard slot?
> 

I do not have any info on this.

- Mani

> Konrad
> >  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";
> >  		};

-- 
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