linux-kernel - Re: [PATCH v2 2/5] interconnect: qcom: icc-rpmh: Get parent's regmap for nested NoCs

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Message-ID: <puogcauf57v2auwmmqcdrwuy7oqb3lqwx6v7glldgh7pdez77t@a632c7akqe6w>
Date: Fri, 14 Nov 2025 13:06:28 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Luca Weiss <luca.weiss@...rphone.com>
Cc: Georgi Djakov <djakov@...nel.org>, Rob Herring <robh@...nel.org>,
        Krzysztof Kozlowski <krzk+dt@...nel.org>,
        Conor Dooley <conor+dt@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konradybcio@...nel.org>,
        ~postmarketos/upstreaming@...ts.sr.ht, phone-devel@...r.kernel.org,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/5] interconnect: qcom: icc-rpmh: Get parent's regmap
 for nested NoCs

On Fri, Nov 14, 2025 at 10:31:10AM +0100, Luca Weiss wrote:
> Since commit 57eb14779dfd ("interconnect: qcom: icc-rpmh: Support child
> NoC device probe") the icc-rpmh driver supports initializing child NoCs,
> but those child NoCs also need to be able to get the parent's regmap in
> order to enable QoS.
> 
> Change the driver to support that and support programming QoS register.
> 
> Signed-off-by: Luca Weiss <luca.weiss@...rphone.com>
> ---
>  drivers/interconnect/qcom/icc-rpmh.c | 19 ++++++++++++-------
>  1 file changed, 12 insertions(+), 7 deletions(-)
> 

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


-- 
With best wishes
Dmitry