linux-kernel - Re: [PATCH 2/7] clk: qcom: add the GPUCC driver for sa8775p

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Date:   Thu, 6 Apr 2023 13:20:33 +0200
From:   Bartosz Golaszewski <brgl@...ev.pl>
To:     Stephen Boyd <sboyd@...nel.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Krzysztof Kozlowski <krzysztof.kozlowski+dt@...aro.org>,
        Rob Herring <robh+dt@...nel.org>,
        linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org,
        linux-kernel@...r.kernel.org, linux-clk@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, iommu@...ts.linux.dev,
        Shazad Hussain <quic_shazhuss@...cinc.com>,
        Michael Turquette <mturquette@...libre.com>,
        Bartosz Golaszewski <bartosz.golaszewski@...aro.org>
Subject: Re: [PATCH 2/7] clk: qcom: add the GPUCC driver for sa8775p

On Wed, Mar 29, 2023 at 4:15 AM Stephen Boyd <sboyd@...nel.org> wrote:
>
> Quoting Bartosz Golaszewski (2023-03-28 12:36:27)
> > diff --git a/drivers/clk/qcom/Kconfig b/drivers/clk/qcom/Kconfig
> > index 449bc8314d21..5e1919738aeb 100644
> > --- a/drivers/clk/qcom/Kconfig
> > +++ b/drivers/clk/qcom/Kconfig
> > @@ -437,6 +437,14 @@ config SA_GCC_8775P
> >           Say Y if you want to use peripheral devices such as UART, SPI,
> >           I2C, USB, UFS, SDCC, etc.
> >
> > +config SA_GPUCC_8775P
> > +       tristate "SA8775P Graphics clock controller"
> > +       select SA_GCC_8775P
>
> Should select QCOM_GDSC as well.
>

Why if it's already selected indirectly by SA_GCC_8775P? Other GPUCCs
in here don't select it either.

Bart

> > +       help
> > +         Support for the graphics clock controller on SA8775P devices.
> > +         Say Y if you want to support graphics controller devices and
> > +         functionality such as 3D graphics.
> > +
> >  config SC_GCC_7180
> >         tristate "SC7180 Global Clock Controller"
> >         select QCOM_GDSC
> > diff --git a/drivers/clk/qcom/gpucc-sa8775p.c b/drivers/clk/qcom/gpucc-sa8775p.c
> > new file mode 100644
> > index 000000000000..46d73bd0199b
> > --- /dev/null
> > +++ b/drivers/clk/qcom/gpucc-sa8775p.c
> > @@ -0,0 +1,633 @@
> > +// SPDX-License-Identifier: GPL-2.0-only
> > +/*
> > + * Copyright (c) 2021-2022, Qualcomm Innovation Center, Inc. All rights reserved.
> > + * Copyright (c) 2023, Linaro Limited
> > + */
> > +
> > +#include <linux/clk.h>
>
> Is this include used? If not, remove it as this is a clk provider and
> not a clk consumer.