linux-kernel - Re: [RFC PATCH v2 0/7] Add dedicated Qcom ICE driver

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Date:   Wed, 8 Mar 2023 23:55:01 +0200
From:   Abel Vesa <abel.vesa@...aro.org>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     Ulf Hansson <ulf.hansson@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Manivannan Sadhasivam <mani@...nel.org>,
        Alim Akhtar <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        Bart Van Assche <bvanassche@....org>,
        Adrian Hunter <adrian.hunter@...el.com>,
        "James E . J . Bottomley" <jejb@...ux.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        linux-mmc@...r.kernel.org, devicetree@...r.kernel.org,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org
Subject: Re: [RFC PATCH v2 0/7] Add dedicated Qcom ICE driver

On 23-03-08 12:03:17, Eric Biggers wrote:
> Hi Abel,
> 
> On Wed, Mar 08, 2023 at 05:58:31PM +0200, Abel Vesa wrote:
> > As both SDCC and UFS drivers use the ICE with duplicated implementation,
> > while none of the currently supported platforms make use concomitantly
> > of the same ICE IP block instance, the new SM8550 allows both UFS and
> > SDCC to do so. In order to support such scenario, there is a need for
> > a unified implementation and a devicetree node to be shared between
> > both types of storage devices. So lets drop the duplicate implementation
> > of the ICE from both SDCC and UFS and make it a dedicated (soc) driver.
> > Also, switch all UFS and SDCC devicetree nodes to use the new ICE
> > approach.
> > 
> > See each individual patch for changelogs.
> > 
> > The v1 is here:
> > https://lore.kernel.org/all/20230214120253.1098426-1-abel.vesa@linaro.org/
> > 
> > Abel Vesa (7):
> >   dt-bindings: soc: qcom: Add schema for Inline Crypto Engine
> >   dt-bindings: ufs: qcom: Add ICE phandle and drop core clock
> >   dt-bindings: mmc: sdhci-msm: Add ICE phandle and drop core clock
> >   soc: qcom: Make the Qualcomm UFS/SDCC ICE a dedicated driver
> >   scsi: ufs: ufs-qcom: Switch to the new ICE API
> >   mmc: sdhci-msm: Switch to the new ICE API
> >   arm64: dts: qcom: Add the Inline Crypto Engine nodes
> 
> Does this address all the comments on v1?  I had also asked some questions on
> v1.  It would be helpful if you would respond.

Sorry about not doing that earlier. Did that now.

> 
> - Eric