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SubjectRe: [PATCH 5/5] interconnect: qcom: Add MSM8939 interconnect provider driver
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On 9/30/20 11:16, Jun Nie wrote:
> Add driver for the Qualcomm interconnect buses found in MSM8939 based
> platforms. The topology consists of four NoCs that are controlled by
> a remote processor that collects the aggregated bandwidth for each
> master-slave pairs.
>
> Signed-off-by: Jun Nie <jun.nie@linaro.org>
> ---
> drivers/interconnect/qcom/Kconfig | 9 +
> drivers/interconnect/qcom/Makefile | 2 +
> drivers/interconnect/qcom/msm8939.c | 355 ++++++++++++++++++++++++++++
> 3 files changed, 366 insertions(+)
> create mode 100644 drivers/interconnect/qcom/msm8939.c
>
> diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
> index 25486de5a38d..6395404bfe3f 100644
> --- a/drivers/interconnect/qcom/Kconfig
> +++ b/drivers/interconnect/qcom/Kconfig
> @@ -17,6 +17,15 @@ config INTERCONNECT_QCOM_MSM8916
> This is a driver for the Qualcomm Network-on-Chip on msm8916-based
> platforms.
>
> +config INTERCONNECT_QCOM_MSM8939
> + tristate "Qualcomm MSM8939 interconnect driver"
> + depends on INTERCONNECT_QCOM
> + depends on QCOM_SMD_RPM
> + select INTERCONNECT_QCOM_SMD_RPM
> + help
> + This is a driver for the Qualcomm Network-on-Chip on msm8939-based
> + platforms.
> +
> config INTERCONNECT_QCOM_MSM8974
> tristate "Qualcomm MSM8974 interconnect driver"
> depends on INTERCONNECT_QCOM
> diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
> index f5e803489de0..84b75022f0d8 100644
> --- a/drivers/interconnect/qcom/Makefile
> +++ b/drivers/interconnect/qcom/Makefile
> @@ -2,6 +2,7 @@
>
> icc-bcm-voter-objs := bcm-voter.o
> qnoc-msm8916-objs := msm8916.o
> +qnoc-msm8939-objs := msm8939.o
> qnoc-msm8974-objs := msm8974.o
> icc-osm-l3-objs := osm-l3.o
> qnoc-qcs404-objs := qcs404.o
> @@ -13,6 +14,7 @@ icc-smd-rpm-objs := smd-rpm.o icc-rpm.o
>
> obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
> obj-$(CONFIG_INTERCONNECT_QCOM_MSM8916) += qnoc-msm8916.o
> +obj-$(CONFIG_INTERCONNECT_QCOM_MSM8939) += qnoc-msm8939.o
> obj-$(CONFIG_INTERCONNECT_QCOM_MSM8974) += qnoc-msm8974.o
> obj-$(CONFIG_INTERCONNECT_QCOM_OSM_L3) += icc-osm-l3.o
> obj-$(CONFIG_INTERCONNECT_QCOM_QCS404) += qnoc-qcs404.o
> diff --git a/drivers/interconnect/qcom/msm8939.c b/drivers/interconnect/qcom/msm8939.c
> new file mode 100644
> index 000000000000..dfbec30ed149
> --- /dev/null
> +++ b/drivers/interconnect/qcom/msm8939.c
> @@ -0,0 +1,355 @@
> +// SPDX-License-Identifier: GPL-2.0
> +/*
> + * Copyright (C) 2020 Linaro Ltd
> + * Author: Jun Nie <jun.nie@linaro.org>
> + * With reference of msm8916 interconnect driver of Georgi Djakov.
> + */
> +
> +#include <linux/clk.h>
> +#include <linux/device.h>
> +#include <linux/interconnect-provider.h>
> +#include <linux/io.h>
> +#include <linux/module.h>
> +#include <linux/platform_device.h>
> +#include <linux/of_device.h>

Nit: Move this above platform_device.h to make it sorted.

> +
> +#include <dt-bindings/interconnect/qcom,msm8939.h>
> +
> +#include "smd-rpm.h"
> +#include "icc-rpm.h"
> +
[..]
> +static const struct of_device_id msm8939_noc_of_match[] = {
> + { .compatible = "qcom,msm8939-bimc", .data = &msm8939_bimc },
> + { .compatible = "qcom,msm8939-pcnoc", .data = &msm8939_pcnoc },
> + { .compatible = "qcom,msm8939-snoc", .data = &msm8939_snoc },
> + { .compatible = "qcom,msm8939-snoc-mm", .data = &msm8939_snoc_mm },
> + { }
> +};
> +MODULE_DEVICE_TABLE(of, msm8939_noc_of_match);
> +
> +static struct platform_driver msm8939_noc_driver = {
> + .probe = msm8939_qnoc_probe,
> + .remove = qnoc_remove,
> + .driver = {
> + .name = "qnoc-msm8939",
> + .of_match_table = msm8939_noc_of_match,

The sync_state patches got merged, so please add this:
.sync_state = icc_sync_state,

Thanks,
Georgi

> + },
> +};
> +module_platform_driver(msm8939_noc_driver);
> +MODULE_AUTHOR("Jun Nie <jun.nie@linaro.org>");
> +MODULE_DESCRIPTION("Qualcomm MSM8939 NoC driver");
> +MODULE_LICENSE("GPL v2");
>

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