linux-kernel - Re: [PATCH v4 0/3] arm64: qcom: sa8775p: add cache coherency support for SA8775P

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Date:   Wed, 22 Nov 2023 17:06:32 +0100
From:   Konrad Dybcio <konrad.dybcio@...aro.org>
To:     Mrinmay Sarkar <quic_msarkar@...cinc.com>, agross@...nel.org,
        andersson@...nel.org, krzysztof.kozlowski+dt@...aro.org,
        conor+dt@...nel.org, mani@...nel.org, robh+dt@...nel.org
Cc:     quic_shazhuss@...cinc.com, quic_nitegupt@...cinc.com,
        quic_ramkri@...cinc.com, quic_nayiluri@...cinc.com,
        dmitry.baryshkov@...aro.org, robh@...nel.org,
        quic_krichai@...cinc.com, quic_vbadigan@...cinc.com,
        quic_parass@...cinc.com, quic_schintav@...cinc.com,
        quic_shijjose@...cinc.com,
        Lorenzo Pieralisi <lpieralisi@...nel.org>,
        Krzysztof Wilczyński <kw@...ux.com>,
        Bjorn Helgaas <bhelgaas@...gle.com>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-pci@...r.kernel.org
Subject: Re: [PATCH v4 0/3] arm64: qcom: sa8775p: add cache coherency support
 for SA8775P



On 11/21/23 15:38, Mrinmay Sarkar wrote:
> In a multiprocessor system cache snooping maintains the consistency
> of caches. Snooping logic is disabled from HW on this platform.
> Cache coherency doesn’t work without enabling this logic.
> 
> This series is to enable cache snooping logic in both RC and EP
> driver and add the "dma-coherent" property in dtsi to support
> cache coherency in 8775 platform.
> 
> To verify this series we required [1]
> 
> [1] https://lore.kernel.org/all/1699669982-7691-1-git-send-email-quic_msarkar@quicinc.com/
> 
> v3 -> v4:
> - added new cfg(cfg_1_34_0) for SA8775P in both RC and EP driver.
> - populated a flag in the data structures instead of doing
>    of_device_is_compatible() in both RC and EP patch.
> - update commit mesaage and added reveiwed-by tag in commit message
>    in dtsi patch.
This series looks good now, thanks!

Reviewed-by: Konrad Dybcio <konrad.dybcio@...aro.org>

Konrad