linux-kernel - Re: [PATCH 2/3] interconnect: qcom: sa8775p: enable QoS configuration

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Message-ID: <sdp4moiiii5zjz7m7ysds3je4h66biuusilc4fx4bq2j4dw7ur@5d3c6gkk6wb7>
Date: Sat, 9 Aug 2025 10:35:37 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
To: Odelu Kukatla <odelu.kukatla@....qualcomm.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>,
        Raviteja Laggyshetty <quic_rlaggysh@...cinc.com>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
        Mike Tipton <mike.tipton@....qualcomm.com>
Subject: Re: [PATCH 2/3] interconnect: qcom: sa8775p: enable QoS configuration

On Fri, Aug 08, 2025 at 07:32:59PM +0530, Odelu Kukatla wrote:
> Enable QoS configuration for master ports with predefined
> priority and urgency forwarding.
> 
> Signed-off-by: Odelu Kukatla <odelu.kukatla@....qualcomm.com>
> ---
>  drivers/interconnect/qcom/sa8775p.c | 439 ++++++++++++++++++++++++++++
>  1 file changed, 439 insertions(+)
> 
> diff --git a/drivers/interconnect/qcom/sa8775p.c b/drivers/interconnect/qcom/sa8775p.c
> index 04b4abbf4487..5bf27dbe818d 100644
> --- a/drivers/interconnect/qcom/sa8775p.c
> +++ b/drivers/interconnect/qcom/sa8775p.c
> @@ -213,6 +213,13 @@ static struct qcom_icc_node qxm_qup3 = {
>  	.name = "qxm_qup3",
>  	.channels = 1,
>  	.buswidth = 8,
> +	.qosbox = &(const struct qcom_icc_qosbox) {

Please follow the design on milos / sar2130p / sm8650 and add a separate
struct instance outside of qcom_icc_node.

LGTM otherwise

> +		.num_ports = 1,
> +		.port_offsets = { 0x11000 },
> +		.prio_fwd_disable = 1,
> +		.prio = 2,
> +		.urg_fwd = 0,
> +	},
>  	.num_links = 1,
>  	.link_nodes = (struct qcom_icc_node *[]) { &qns_a1noc_snoc },
>  };

-- 
With best wishes
Dmitry