Messages in this thread | | | Date | Tue, 1 Oct 2013 18:15:26 +0900 | Subject | Re: [PATCH 5/6] clk: emev2: Add support for emev2 SMU clocks with DT | From | Magnus Damm <> |
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On Tue, Sep 24, 2013 at 1:15 PM, <takasi-y@ops.dti.ne.jp> wrote: > Common clock framework version of emev2 clock support. > smu_clkdiv and smu_gclk are handled. > So far, reparent is not implemented, and is fixed to index #0. > SMU and small numbers of clocks are described in emev2.dtsi. > > That function and numbers of clocks are equivalent to current > sh-clkfwk version. It is just enough to run kzm9d-reference. > > Signed-off-by: Takashi Yoshii <takashi.yoshii.zj@renesas.com> > --- > arch/arm/boot/dts/emev2.dtsi | 84 +++++++++++++++++++++++++++++++ > drivers/clk/Makefile | 2 + > drivers/clk/shmobile/Makefile | 5 ++ > drivers/clk/shmobile/clk-emev2.c | 104 +++++++++++++++++++++++++++++++++++++++ > 4 files changed, 195 insertions(+) > create mode 100644 drivers/clk/shmobile/Makefile > create mode 100644 drivers/clk/shmobile/clk-emev2.c
Hi Yoshii-san,
Thanks for your efforts on this. I'm very pleased to see that you describe the clock topology using DT. In general I think your patch looks fine, but I have some comment related to the multiplatform integration, please see below.
> diff --git a/drivers/clk/Makefile b/drivers/clk/Makefile > index 7b11106..3e64ac4 100644 > --- a/drivers/clk/Makefile > +++ b/drivers/clk/Makefile > @@ -32,6 +32,8 @@ obj-$(CONFIG_ARCH_VT8500) += clk-vt8500.o > obj-$(CONFIG_ARCH_ZYNQ) += zynq/ > obj-$(CONFIG_ARCH_TEGRA) += tegra/ > obj-$(CONFIG_PLAT_SAMSUNG) += samsung/ > +obj-$(CONFIG_ARCH_SHMOBILE) += shmobile/ > +obj-$(CONFIG_ARCH_SHMOBILE_MULTI) += shmobile/
Here I believe it is enough that you only use CONFIG_ARCH_SHMOBILE_MULTI. Building common clocks to coexist with the old legacy board code does not make any sense IMO. If you think it makes sense for some reason, please explain why. =)
> diff --git a/drivers/clk/shmobile/Makefile b/drivers/clk/shmobile/Makefile > new file mode 100644 > index 0000000..6a26eb6 > --- /dev/null > +++ b/drivers/clk/shmobile/Makefile > @@ -0,0 +1,5 @@ > +ifeq ($(CONFIG_COMMON_CLK), y) > +obj-$(CONFIG_ARCH_EMEV2) += clk-emev2.o > +endif
I don't think you would need the above ifeq/endif wrapper if you only used CONFIG_ARCH_SHMOBILE_MULTI above.
Apart from that it looks good to me. And, yes, I have tested this on my KZM9D board together with multiplatform and it works very well!
Cheers,
/ magnus
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