> Subject: RE: [PATCH V2 3/9] clk: imx: Support building SCU clock driver as
> module
> 
> > From: Anson Huang <[email protected]>
> > 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 <[email protected]>
> > ---
> > 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.

Anson

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