Re: [PATCH 0/4] Refactor the PRCI driver to reduce the complexity

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On Sat, Feb 5, 2022 at 2:56 AM Palmer Dabbelt <palmer@xxxxxxxxxxx> wrote:
>
> On Wed, 19 Jan 2022 01:28:37 PST (-0800), zong.li@xxxxxxxxxx wrote:
> > This patch set tries to improve the PRCI driver to reduce the
> > complexity, we remove the SoCs C files by putting putting all stuff in
> > each SoCs header file, and include these SoCs-specific header files in
> > core of PRCI. It can also avoid the W=1 kernel build warnings about
> > variable defined but not used [-Wunused-const-variable=], like 'commit
> > 487dc7bb6a0c ("clk: sifive:fu540-prci: Declare static const variable
> > 'prci_clk_fu540' where it's used")' does.
> >
> > This patch set also contains the dt-bindings and dts change, because
> > we change the macro name for fu540 and fu740 by adding the prefix
> > respectively.
> >
> > Thanks all for your review and suggestions.
> >
> > Zong Li (4):
> >   dt-bindings: change the macro name of prci in header files and example
> >   riscv: dts: Change the macro name of prci in each device node
> >   clk: sifive: Add SoCs prefix in each SoCs-dependent data
>
> IIUC these there aren't bisectable: the bindings change will break
> builds of the DTs and drivers.  I'm not sure what's generally the way to
> go with these, but I always try to avoid broken builds in the middle of
> patch sets.
>
> Aside from that this generally looks good to me, but the DT and clock
> folks are probably a better bet for a proper review here.  Happy to take
> this through the RISC-V tree, but IMO it's a better candidate for the
> clock tree so
>
> Acked-by: Palmer Dabbelt <palmer@xxxxxxxxxxxx> # aside from breaking bisect
>
> Thanks!
>

Many thanks for your review and reminding, and yes, it seems a bit
hard there since the DT binding docs and includes need to be a
separate patch.

> >   clk: sifive: Move all stuff into SoCs header files from C files
> >
> >  .../devicetree/bindings/gpio/sifive,gpio.yaml |   2 +-
> >  .../bindings/pci/sifive,fu740-pcie.yaml       |   2 +-
> >  .../bindings/serial/sifive-serial.yaml        |   2 +-
> >  arch/riscv/boot/dts/sifive/fu540-c000.dtsi    |  22 +--
> >  arch/riscv/boot/dts/sifive/fu740-c000.dtsi    |  26 ++--
> >  drivers/clk/sifive/Makefile                   |   2 +-
> >  drivers/clk/sifive/fu540-prci.c               |  89 ------------
> >  drivers/clk/sifive/fu540-prci.h               |  91 +++++++++++-
> >  drivers/clk/sifive/fu740-prci.c               | 134 ------------------
> >  drivers/clk/sifive/fu740-prci.h               | 130 ++++++++++++++++-
> >  drivers/clk/sifive/sifive-prci.c              |   5 -
> >  include/dt-bindings/clock/sifive-fu540-prci.h |   8 +-
> >  include/dt-bindings/clock/sifive-fu740-prci.h |  18 +--
> >  13 files changed, 254 insertions(+), 277 deletions(-)
> >  delete mode 100644 drivers/clk/sifive/fu540-prci.c
> >  delete mode 100644 drivers/clk/sifive/fu740-prci.c



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