linux-kernel - Re: [PATCH v2 2/2] interconnect: qcom: Add SM8350 interconnect provider driver

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Date:   Thu, 18 Mar 2021 09:08:39 +0200
From:   Georgi Djakov <georgi.djakov@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Odelu Kukatla <okukatla@...eaurora.org>,
        linux-pm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 2/2] interconnect: qcom: Add SM8350 interconnect
 provider driver

Hi Vinod,

On 3/2/21 15:43, Vinod Koul wrote:
> Add driver for the Qualcomm interconnect buses found in SM8i350 based

Still SM8i350? Have you checked my comments on v1?

> platforms. The topology consists of several NoCs that are controlled by
> a remote processor that collects the aggregated bandwidth for each
> master-slave pairs.
> 
> Generated from downstream interconnect driver written by David Dai
> 
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  drivers/interconnect/qcom/Kconfig  |  10 +
>  drivers/interconnect/qcom/Makefile |   2 +
>  drivers/interconnect/qcom/sm8350.c | 636 +++++++++++++++++++++++++++++
>  drivers/interconnect/qcom/sm8350.h | 168 ++++++++
>  4 files changed, 816 insertions(+)
>  create mode 100644 drivers/interconnect/qcom/sm8350.c
>  create mode 100644 drivers/interconnect/qcom/sm8350.h
> 
> diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
> index ca52647f8955..836157d97cae 100644
> --- a/drivers/interconnect/qcom/Kconfig
> +++ b/drivers/interconnect/qcom/Kconfig
> @@ -110,5 +110,15 @@ config INTERCONNECT_QCOM_SM8250
>  	  This is a driver for the Qualcomm Network-on-Chip on sm8250-based
>  	  platforms.
>  
> +config INTERCONNECT_QCOM_SM8350
> +	tristate "Qualcomm SM8350 interconnect driver"
> +	depends on INTERCONNECT_QCOM
> +	depends on (QCOM_RPMH && QCOM_COMMAND_DB && OF) || COMPILE_TEST

Again: depends on INTERCONNECT_QCOM_RPMH_POSSIBLE

> +	select INTERCONNECT_QCOM_RPMH
> +	select INTERCONNECT_QCOM_BCM_VOTER
> +	help
> +	  This is a driver for the Qualcomm Network-on-Chip on SM8350-based
> +	  platforms.
> +
>  config INTERCONNECT_QCOM_SMD_RPM
>  	tristate
> diff --git a/drivers/interconnect/qcom/Makefile b/drivers/interconnect/qcom/Makefile
> index c6a735df067e..93d97e590836 100644
> --- a/drivers/interconnect/qcom/Makefile
> +++ b/drivers/interconnect/qcom/Makefile
> @@ -12,6 +12,7 @@ qnoc-sdm845-objs			:= sdm845.o
>  qnoc-sdx55-objs				:= sdx55.o
>  qnoc-sm8150-objs			:= sm8150.o
>  qnoc-sm8250-objs			:= sm8250.o
> +qnoc-sm8350-objs			:= sm8350.o
>  icc-smd-rpm-objs			:= smd-rpm.o icc-rpm.o
>  
>  obj-$(CONFIG_INTERCONNECT_QCOM_BCM_VOTER) += icc-bcm-voter.o
> @@ -26,4 +27,5 @@ obj-$(CONFIG_INTERCONNECT_QCOM_SDM845) += qnoc-sdm845.o
>  obj-$(CONFIG_INTERCONNECT_QCOM_SDX55) += qnoc-sdx55.o
>  obj-$(CONFIG_INTERCONNECT_QCOM_SM8150) += qnoc-sm8150.o
>  obj-$(CONFIG_INTERCONNECT_QCOM_SM8250) += qnoc-sm8250.o
> +obj-$(CONFIG_INTERCONNECT_QCOM_SM8350) += qnoc-sm8350.o
>  obj-$(CONFIG_INTERCONNECT_QCOM_SMD_RPM) += icc-smd-rpm.o
> diff --git a/drivers/interconnect/qcom/sm8350.c b/drivers/interconnect/qcom/sm8350.c
> new file mode 100644
> index 000000000000..55c76542aeff
> --- /dev/null
> +++ b/drivers/interconnect/qcom/sm8350.c
> @@ -0,0 +1,636 @@
> +// SPDX-License-Identifier: GPL-2.0-only
> +/*
> + * Copyright (c) 2019-2020, The Linux Foundation. All rights reserved.
> + * Copyright (c) 2021, Linaro Limited
> + *
> + */
> +
> +#include <linux/device.h>
> +#include <linux/interconnect.h>
> +#include <linux/interconnect-provider.h>
> +#include <linux/module.h>
> +#include <linux/of_device.h>
> +#include <linux/of_platform.h>

Is this used?

Thanks,
Georgi