RE: [PATCH v1 06/16] clk: starfive: Add JH8100 System clock generator driver

From: JeeHeng Sia
Date: Tue Dec 19 2023 - 20:35:54 EST




> -----Original Message-----
> From: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
> Sent: Wednesday, December 20, 2023 1:40 AM
> To: JeeHeng Sia <jeeheng.sia@xxxxxxxxxxxxxxxx>; Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>; kernel@xxxxxxxx;
> conor@xxxxxxxxxx; robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx;
> aou@xxxxxxxxxxxxxxxxx; mturquette@xxxxxxxxxxxx; sboyd@xxxxxxxxxx; p.zabel@xxxxxxxxxxxxxx; Hal Feng
> <hal.feng@xxxxxxxxxxxxxxxx>; Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; Leyfoon Tan
> <leyfoon.tan@xxxxxxxxxxxxxxxx>
> Subject: RE: [PATCH v1 06/16] clk: starfive: Add JH8100 System clock generator driver
>
> JeeHeng Sia wrote:
> >
> >
> > > -----Original Message-----
> > > From: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
> > > Sent: Wednesday, December 13, 2023 7:57 PM
> > > To: JeeHeng Sia <jeeheng.sia@xxxxxxxxxxxxxxxx>; Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>; kernel@xxxxxxxx;
> > > conor@xxxxxxxxxx; robh+dt@xxxxxxxxxx; krzysztof.kozlowski+dt@xxxxxxxxxx; paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx;
> > > aou@xxxxxxxxxxxxxxxxx; mturquette@xxxxxxxxxxxx; sboyd@xxxxxxxxxx; p.zabel@xxxxxxxxxxxxxx; Hal Feng
> > > <hal.feng@xxxxxxxxxxxxxxxx>; Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> > > Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx; Leyfoon
> Tan
> > > <leyfoon.tan@xxxxxxxxxxxxxxxx>
> > > Subject: RE: [PATCH v1 06/16] clk: starfive: Add JH8100 System clock generator driver
> > >
> > > JeeHeng Sia wrote:
> > > > > -----Original Message-----
> > > > > From: Emil Renner Berthing <emil.renner.berthing@xxxxxxxxxxxxx>
> > > > > Sent: Saturday, December 9, 2023 12:25 AM
> > > > > To: JeeHeng Sia <jeeheng.sia@xxxxxxxxxxxxxxxx>; kernel@xxxxxxxx; conor@xxxxxxxxxx; robh+dt@xxxxxxxxxx;
> > > > > krzysztof.kozlowski+dt@xxxxxxxxxx; paul.walmsley@xxxxxxxxxx; palmer@xxxxxxxxxxx; aou@xxxxxxxxxxxxxxxxx;
> > > > > mturquette@xxxxxxxxxxxx; sboyd@xxxxxxxxxx; p.zabel@xxxxxxxxxxxxxx; emil.renner.berthing@xxxxxxxxxxxxx; Hal Feng
> > > > > <hal.feng@xxxxxxxxxxxxxxxx>; Xingyu Wu <xingyu.wu@xxxxxxxxxxxxxxxx>
> > > > > Cc: linux-riscv@xxxxxxxxxxxxxxxxxxx; devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; linux-clk@xxxxxxxxxxxxxxx;
> Leyfoon
> > > Tan
> > > > > <leyfoon.tan@xxxxxxxxxxxxxxxx>
> > > > > Subject: Re: [PATCH v1 06/16] clk: starfive: Add JH8100 System clock generator driver
> > > > >
> > > > > Sia Jee Heng wrote:
> > > > > > Add support for JH8100 System clock generator.
> > > > > >
> > > > > > Signed-off-by: Sia Jee Heng <jeeheng.sia@xxxxxxxxxxxxxxxx>
> > > > > > Reviewed-by: Ley Foon Tan <leyfoon.tan@xxxxxxxxxxxxxxxx>
> > > > > > ---
> > > > > > MAINTAINERS | 8 +
> > > > > > drivers/clk/starfive/Kconfig | 9 +
> > > > > > drivers/clk/starfive/Makefile | 1 +
> > > > > > drivers/clk/starfive/clk-starfive-common.h | 9 +-
> > > > > > drivers/clk/starfive/jh8100/Makefile | 3 +
> > > > > > .../clk/starfive/jh8100/clk-starfive-jh8100.h | 11 +
> > > > > > drivers/clk/starfive/jh8100/clk-sys.c | 455 ++++++++++++++++++
> > > > > > 7 files changed, 495 insertions(+), 1 deletion(-)
> > > > > > create mode 100644 drivers/clk/starfive/jh8100/Makefile
> > > > > > create mode 100644 drivers/clk/starfive/jh8100/clk-starfive-jh8100.h
> > > > > > create mode 100644 drivers/clk/starfive/jh8100/clk-sys.c
> > > ...
> > > > > > diff --git a/drivers/clk/starfive/Makefile b/drivers/clk/starfive/Makefile
> > > > > > index 012f7ee83f8e..6cb3ce823330 100644
> > > > > > --- a/drivers/clk/starfive/Makefile
> > > > > > +++ b/drivers/clk/starfive/Makefile
> > > > > > @@ -10,3 +10,4 @@ obj-$(CONFIG_CLK_STARFIVE_JH7110_AON) += clk-starfive-jh7110-aon.o
> > > > > > obj-$(CONFIG_CLK_STARFIVE_JH7110_STG) += clk-starfive-jh7110-stg.o
> > > > > > obj-$(CONFIG_CLK_STARFIVE_JH7110_ISP) += clk-starfive-jh7110-isp.o
> > > > > > obj-$(CONFIG_CLK_STARFIVE_JH7110_VOUT) += clk-starfive-jh7110-vout.o
> > > > > > +obj-$(CONFIG_CLK_STARFIVE_JH8100_SYS) += jh8100/
> > > > >
> > > > > I don't really see why do you need a special subdirectory for the JH8100? The
> > > > > JH7110 drivers do fine without it.
> > > > Each subfolder can represent a different platform, making it easier to
> > > > locate and maintain platform-specific code. Since the code is expected
> > > > to grow in the future, let's start organizing it in a folder-based structure
> > > > for easier maintenance at a later stage.
> > >
> > > Yes, but that's not what you're doing here. You're making just one of the 3
> > > almost identical drivers be different for no good reason.
> > I will restructure it for the other 2 platforms.
>
> That would be less bad, but you still haven't explained why you need to move
> everything around like that:
> https://lore.kernel.org/linux-riscv/CAJM55Z_3Mty2LftPVkQC1wbwtGeznMMAk9mAjH_GoNuL7CKtaQ@xxxxxxxxxxxxxx/
>
> I don't think just "too many files" is a very good argument here. Just look at
> drivers/clk/sunxi
Thanks. Given that the trend is not to use subfolders to differentiate the platform
clock driver, I am okay with removing the subfolder and following the naming
convention from the JH71xx's file name.
>
> /Emil