linux-kernel - Re: [PATCH v4 3/3] interconnect: qcom: Add QDU1000/QRU1000 interconnect driver

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Date:   Sun, 20 Nov 2022 13:19:37 +0100
From:   Christophe JAILLET <christophe.jaillet@...adoo.fr>
To:     Melody Olvera <quic_molvera@...cinc.com>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Georgi Djakov <djakov@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>
Cc:     Odelu Kukatla <quic_okukatla@...cinc.com>,
        linux-arm-msm@...r.kernel.org, linux-pm@...r.kernel.org,
        devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v4 3/3] interconnect: qcom: Add QDU1000/QRU1000
 interconnect driver

Le 18/11/2022 à 19:22, Melody Olvera a écrit :
> Add interconnect provider driver for Qualcomm QDU1000 and QRU1000
> platforms.
> 
> Signed-off-by: Melody Olvera <quic_molvera@...cinc.com>
> ---
>   drivers/interconnect/qcom/Kconfig   |    9 +
>   drivers/interconnect/qcom/Makefile  |    2 +
>   drivers/interconnect/qcom/qdu1000.c | 1079 +++++++++++++++++++++++++++
>   drivers/interconnect/qcom/qdu1000.h |   95 +++
>   4 files changed, 1185 insertions(+)
>   create mode 100644 drivers/interconnect/qcom/qdu1000.c
>   create mode 100644 drivers/interconnect/qcom/qdu1000.h
> 

[...]

> +static int qnoc_probe(struct platform_device *pdev)
> +{
> +	int ret;
> +
> +	ret = qcom_icc_rpmh_probe(pdev);
> +	if (ret)
> +		dev_err(&pdev->dev, "failed to register ICC provider\n");
> +
> +	return ret;
> +}
> +
> +static int qnoc_remove(struct platform_device *pdev)
> +{
> +	struct qcom_icc_provider *qp = platform_get_drvdata(pdev);
> +
> +	icc_nodes_remove(&qp->provider);
> +	icc_provider_del(&qp->provider);

qcom_icc_rpmh_remove()?

(more future proof, less verbose and more consistent with 
qcom_icc_rpmh_probe() in the probe)

CJ

> +
> +	return 0;
> +}
> +
> +static const struct of_device_id qnoc_of_match[] = {
> +	{ .compatible = "qcom,qdu1000-clk-virt",
> +	  .data = &qdu1000_clk_virt
> +	},
> +	{ .compatible = "qcom,qdu1000-gem-noc",
> +	  .data = &qdu1000_gem_noc
> +	},
> +	{ .compatible = "qcom,qdu1000-mc-virt",
> +	  .data = &qdu1000_mc_virt
> +	},
> +	{ .compatible = "qcom,qdu1000-system-noc",
> +	  .data = &qdu1000_system_noc
> +	},
> +	{ }
> +};
> +MODULE_DEVICE_TABLE(of, qnoc_of_match);
> +
> +static struct platform_driver qnoc_driver = {
> +	.probe = qnoc_probe,
> +	.remove = qnoc_remove,
> +	.driver = {
> +		.name = "qnoc-qdu1000",
> +		.of_match_table = qnoc_of_match,
> +	},
> +};

[...]