linux-kernel - Re: [PATCH v6 6/8] interconnect: qcom: Add msm8916 interconnect provider driver

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Date:   Tue, 10 Jul 2018 15:34:39 -0700
From:   Evan Green <evgreen@...omium.org>
To:     georgi.djakov@...aro.org
Cc:     linux-pm@...r.kernel.org, gregkh@...uxfoundation.org,
        rjw@...ysocki.net, robh+dt@...nel.org,
        Michael Turquette <mturquette@...libre.com>,
        khilman@...libre.com, Alexandre Bailon <abailon@...libre.com>,
        Vincent Guittot <vincent.guittot@...aro.org>,
        Saravana Kannan <skannan@...eaurora.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        amit.kucheria@...aro.org, seansw@....qualcomm.com,
        daidavid1@...eaurora.org, mka@...omium.org, mark.rutland@....com,
        lorenzo.pieralisi@....com, linux-kernel@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-arm-msm@...r.kernel.org, tfiga@...omium.org
Subject: Re: [PATCH v6 6/8] interconnect: qcom: Add msm8916 interconnect
 provider driver

On Mon, Jul 9, 2018 at 8:51 AM Georgi Djakov <georgi.djakov@...aro.org> wrote:
>
> Add driver for the Qualcomm interconnect buses found in msm8916 based
> platforms.
>
> Signed-off-by: Georgi Djakov <georgi.djakov@...aro.org>
> ---
>  drivers/interconnect/Kconfig        |   5 +
>  drivers/interconnect/Makefile       |   1 +
>  drivers/interconnect/qcom/Kconfig   |  10 +
>  drivers/interconnect/qcom/Makefile  |   2 +
>  drivers/interconnect/qcom/msm8916.c | 499 ++++++++++++++++++++++++++++
>  5 files changed, 517 insertions(+)
>  create mode 100644 drivers/interconnect/qcom/msm8916.c
>
> diff --git a/drivers/interconnect/Kconfig b/drivers/interconnect/Kconfig
> index a261c7d41deb..07a8276fa35a 100644
> --- a/drivers/interconnect/Kconfig
> +++ b/drivers/interconnect/Kconfig
> @@ -8,3 +8,8 @@ menuconfig INTERCONNECT
>
>           If unsure, say no.
>
> +if INTERCONNECT
> +
> +source "drivers/interconnect/qcom/Kconfig"
> +
> +endif
> diff --git a/drivers/interconnect/Makefile b/drivers/interconnect/Makefile
> index 97fca2e09d24..7944cbca0527 100644
> --- a/drivers/interconnect/Makefile
> +++ b/drivers/interconnect/Makefile
> @@ -1,2 +1,3 @@
>  # SPDX-License-Identifier: GPL-2.0
>  obj-$(CONFIG_INTERCONNECT)             += core.o
> +obj-$(CONFIG_INTERCONNECT_QCOM)                += qcom/
> diff --git a/drivers/interconnect/qcom/Kconfig b/drivers/interconnect/qcom/Kconfig
> index b0c2ff928d88..a87afdef1bf7 100644
> --- a/drivers/interconnect/qcom/Kconfig
> +++ b/drivers/interconnect/qcom/Kconfig
> @@ -2,6 +2,8 @@ config INTERCONNECT_QCOM
>         bool "Qualcomm Network-on-Chip interconnect drivers"
>         depends on INTERCONNECT
>         depends on ARCH_QCOM || COMPILE_TEST
> +       help
> +         Support for Qualcomm's Network-on-Chip interconnect hardware.
>
>  config INTERCONNECT_QCOM_SMD_RPM
>         tristate "Qualcomm SMD RPM interconnect driver"
> @@ -9,3 +11,11 @@ config INTERCONNECT_QCOM_SMD_RPM
>         help
>           This is a driver for communicating interconnect related configuration
>           details with a remote processor (RPM) on Qualcomm platforms.
> +
> +config INTERCONNECT_QCOM_MSM8916
> +       tristate "Qualcomm MSM8916 interconnect driver"
> +       depends on INTERCONNECT_QCOM
> +       select INTERCONNECT_QCOM_SMD_RPM

I'm not a kconfig expert, maybe someone else could chime in. I have
this impression that folks don't like select. Is there a way to do
this with depends instead? If I'm way off here, ignore me.