Re: [PATCH] clk: iproc: Make clocks visible options

From: Jon Mason
Date: Thu Oct 22 2015 - 16:14:48 EST


On Thu, Oct 22, 2015 at 12:46:46PM -0700, Scott Branden wrote:
> Hi Jon,
>
> comments inline.
>
> On 15-10-22 12:25 PM, Jon Mason wrote:
> >Make the clocks visible options that can be selected by anyone. This
> >avoids the problems of:
> > 1) Select is a reverse dependency and is hard for people to understand
> > and can sometimes be a pain to track down
> This doesn't make any sense to me - there are many selects in the
> system and this is one of them.

This was specifically requested by Stephen Boyd, and the above are
his words verbatum
https://lkml.org/lkml/2015/10/21/956

Thanks,
Jon

> > 2) Build coverage goes down because configs are hidden
> > 3) Code bloat
> >
> >Patch suggested by Stephen Boyd
> >
> >Signed-off-by: Jon Mason <jonmason@xxxxxxxxxxxx>
> >---
> > arch/arm/mach-bcm/Kconfig | 1 -
> > drivers/clk/bcm/Kconfig | 35 ++++++++++++++++++++++++++++++++++-
> > drivers/clk/bcm/Makefile | 7 +++----
> > 3 files changed, 37 insertions(+), 6 deletions(-)
> >
> >diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
> >index 679798b..cacaaec 100644
> >--- a/arch/arm/mach-bcm/Kconfig
> >+++ b/arch/arm/mach-bcm/Kconfig
> >@@ -14,7 +14,6 @@ config ARCH_BCM_IPROC
> > select HAVE_ARM_SCU if SMP
> > select HAVE_ARM_TWD if SMP
> > select ARM_GLOBAL_TIMER
> >- select COMMON_CLK_IPROC
> Please leave as is
> > select CLKSRC_MMIO
> > select ARCH_REQUIRE_GPIOLIB
> > select ARM_AMBA
> >diff --git a/drivers/clk/bcm/Kconfig b/drivers/clk/bcm/Kconfig
> >index 46ee475..0352ccf 100644
> >--- a/drivers/clk/bcm/Kconfig
> >+++ b/drivers/clk/bcm/Kconfig
> >@@ -9,8 +9,41 @@ config CLK_BCM_KONA
> > in the BCM281xx and BCM21664 families.
> >
> > config COMMON_CLK_IPROC
> >- bool
> >+ bool "Broadcom iProc clock support"
> Please leave as is
> >+ depends on ARCH_BCM_IPROC
> > depends on COMMON_CLK
> >+ default ARCH_BCM_IPROC
> > help
> > Enable common clock framework support for Broadcom SoCs
> > based on the iProc architecture
> >+
> >+if COMMON_CLK_IPROC
> >+
> >+comment "Broadcom iProc clocks"
> >+
> >+config CLK_BCM_CYGNUS
> not needed
> >+ bool "Broadcom Cygnus clock support"
> >+ depends on COMMON_CLK_IPROC
> >+ depends on ARCH_BCM_CYGNUS
> >+ default ARCH_BCM_CYGNUS
> >+ help
> >+ Enable common clock framework support for the Broadcom Cygnus SoC
> >+
> >+config CLK_BCM_NSP
> not needed
> >+ bool "Broadcom Northstar/Northstar Plus clock support"
> >+ depends on COMMON_CLK_IPROC
> >+ depends on ARCH_BCM_5301X || ARCH_BCM_NSP
> >+ default ARCH_BCM_5301X || ARCH_BCM_NSP
> >+ help
> >+ Enable common clock framework support for the Broadcom Northstar and
> >+ Northstar Plus SoCs
> >+
> >+config CLK_BCM_NS2
> >+ bool "Broadcom Northstar 2 clock support"
> >+ depends on ARM64
> || COMPILE_TEST
> >+ depends on COMMON_CLK_IPROC
> select COMMON_CLK_IPROC
> >+ default ARCH_BCM_IPROC
> >+ help
> >+ Enable common clock framework support for the Broadcom Northstar 2 SoC
> >+
> >+endif
> >diff --git a/drivers/clk/bcm/Makefile b/drivers/clk/bcm/Makefile
> >index 2d1cbc5..05d5830 100644
> >--- a/drivers/clk/bcm/Makefile
> >+++ b/drivers/clk/bcm/Makefile
> >@@ -3,7 +3,6 @@ obj-$(CONFIG_CLK_BCM_KONA) += clk-kona-setup.o
> > obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm281xx.o
> > obj-$(CONFIG_CLK_BCM_KONA) += clk-bcm21664.o
> > obj-$(CONFIG_COMMON_CLK_IPROC) += clk-iproc-armpll.o clk-iproc-pll.o clk-iproc-asiu.o
> >-obj-$(CONFIG_COMMON_CLK_IPROC) += clk-ns2.o
> yes, change this one
> >-obj-$(CONFIG_ARCH_BCM_CYGNUS) += clk-cygnus.o
> you can leave this
> >-obj-$(CONFIG_ARCH_BCM_NSP) += clk-nsp.o
> you can leave this
> >-obj-$(CONFIG_ARCH_BCM_5301X) += clk-nsp.o
> and this
> >+obj-$(CONFIG_CLK_BCM_CYGNUS) += clk-cygnus.o
> no
> >+obj-$(CONFIG_CLK_BCM_NSP) += clk-nsp.o
> no
> >+obj-$(CONFIG_CLK_BCM_NS2) += clk-ns2.o
> yes needed
> >
>
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