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SubjectRE: [PATCH V2 3/9] clk: imx: Support building SCU clock driver as module
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> From: Anson Huang <anson.huang@nxp.com>
> Sent: Wednesday, June 17, 2020 8:27 PM
>
>
> > Subject: RE: [PATCH V2 3/9] clk: imx: Support building SCU clock
> > driver as module
> >
> > > From: Anson Huang <Anson.Huang@nxp.com>
> > > Sent: Tuesday, June 9, 2020 3:32 PM
> > >
> > > There are more and more requirements of building SoC specific
> > > drivers as modules, add support for building SCU clock driver as
> > > module to meet the requirement.
> > >
> > > Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
> > > ---
> > > Changes since V1:
> > > - add ARCH_MXC to build dependency to avoid build fail on x86 arch;
> > > - move clk-lpcg-scu.c change in to this patch.
> > > ---
> > > drivers/clk/imx/Kconfig | 4 ++--
> > > drivers/clk/imx/Makefile | 5 ++---
> > > drivers/clk/imx/clk-lpcg-scu.c | 1 +
> > > drivers/clk/imx/clk-scu.c | 5 +++++
> > > 4 files changed, 10 insertions(+), 5 deletions(-)
> > >
> > > diff --git a/drivers/clk/imx/Kconfig b/drivers/clk/imx/Kconfig index
> > > db0253f..ded0643 100644
> > > --- a/drivers/clk/imx/Kconfig
> > > +++ b/drivers/clk/imx/Kconfig
> > > @@ -5,8 +5,8 @@ config MXC_CLK
> > > def_bool ARCH_MXC
> > >
> > > config MXC_CLK_SCU
> > > - bool
> > > - depends on IMX_SCU
> >
> > Keep this line as it is
> >
> > > + tristate "IMX SCU clock"
> >
> > i.MX SCU Clock core driver
> >
> > > + depends on ARCH_MXC && IMX_SCU
> > >
> > > config CLK_IMX8MM
> > > bool "IMX8MM CCM Clock Driver"
> > > diff --git a/drivers/clk/imx/Makefile b/drivers/clk/imx/Makefile
> > > index 928f874..1af8cff 100644
> > > --- a/drivers/clk/imx/Makefile
> > > +++ b/drivers/clk/imx/Makefile
> > > @@ -21,9 +21,8 @@ obj-$(CONFIG_MXC_CLK) += \
> > > clk-sscg-pll.o \
> > > clk-pll14xx.o
> > >
> > > -obj-$(CONFIG_MXC_CLK_SCU) += \
> > > - clk-scu.o \
> > > - clk-lpcg-scu.o
> > > +mxc-clk-scu-objs += clk-scu.o clk-lpcg-scu.o
> > > +obj-$(CONFIG_MXC_CLK_SCU) += mxc-clk-scu.o
> >
> > Like i.MX pinctrl, I'm not sure if it's really necessary to build core
> > libraries as modules. Probably the simplest way is only building
> > platform drivers part as module. And leave those core libraries built in kernel.
> > This may make the code a bit cleaner.
> >
>
> Will discuss this with Linaro guys about it, previous requirement I received is all
> SoC specific modules need to be built as module.
>

Okay. AFAIK it's not conflict.
You still make drivers into modules.
Only difference is for those common libraries part, we don't convert them into module
Which is less meaningless.

Regards
Aisheng

> Anson
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