linux-kernel - Re: [PATCH 2/8] PCI: qcom: Disable write access to read only registers for IP v2.9.0

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Message-ID: <56da1bb2-86ea-e31e-15f3-5eb50e3000e1@linaro.org>
Date:   Sat, 6 May 2023 14:44:27 +0300
From:   Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To:     Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
        lpieralisi@...nel.org, kw@...ux.com, bhelgaas@...gle.com
Cc:     robh@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        linux-pci@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        linux-kernel@...r.kernel.org, steev@...i.org,
        quic_srichara@...cinc.com
Subject: Re: [PATCH 2/8] PCI: qcom: Disable write access to read only
 registers for IP v2.9.0

On 06/05/2023 10:31, Manivannan Sadhasivam wrote:
> In the post init sequence of v2.9.0, write access to read only registers
> are not disabled after updating the registers. Fix it by disabling the
> access after register update.
> 
> Fixes: 0cf7c2efe8ac ("PCI: qcom: Add IPQ60xx support")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>   drivers/pci/controller/dwc/pcie-qcom.c | 3 +++
>   1 file changed, 3 insertions(+)

Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@...il.com>

-- 
With best wishes
Dmitry