linux-kernel - Re: [PATCH 1/8] PCI: qcom: Use DWC helpers for modifying the read-only DBI registers

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Date:   Sat, 6 May 2023 14:43:57 +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 1/8] PCI: qcom: Use DWC helpers for modifying the
 read-only DBI registers

On 06/05/2023 10:31, Manivannan Sadhasivam wrote:
> DWC core already exposes dw_pcie_dbi_ro_wr_{en/dis} helper APIs for
> enabling and disabling the write access to read only DBI registers. So
> let's use them instead of doing it manually.
> 
> Also, the existing code doesn't disable the write access when it's done.
> This is also fixed now.
> 
> Fixes: 5d76117f070d ("PCI: qcom: Add support for IPQ8074 PCIe controller")
> Signed-off-by: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>
> ---
>   drivers/pci/controller/dwc/pcie-qcom.c | 10 +++++-----
>   1 file changed, 5 insertions(+), 5 deletions(-)

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

-- 
With best wishes
Dmitry