Re: [PATCH V2 01/20] thermal: exynos: Moving exynos thermal files into samsung directory

[Tomasz Figa <t.figa@samsung.com>]

On Monday 06 of May 2013 23:05:06 Zhang Rui wrote:
> On Fri, 2013-04-26 at 16:07 +0530, Amit Daniel Kachhap wrote:
> > This movement of files is done for easy maintenance and adding more
> > new sensor's support for exynos platform easily . This will also help in
> > bifurcating exynos common, sensor driver and sensor data related parts.
> > 
> > Acked-by: Kukjin Kim <kgene.kim@samsung.com>
> > Signed-off-by: Amit Daniel Kachhap <amit.daniel@samsung.com>
> > ---
> > 
> >  drivers/thermal/Kconfig                        |   13 +++++--------
> >  drivers/thermal/Makefile                       |    2 +-
> >  drivers/thermal/samsung/Kconfig                |    9 +++++++++
> >  drivers/thermal/samsung/Makefile               |    4 ++++
> >  drivers/thermal/{ => samsung}/exynos_thermal.c |    0
> >  5 files changed, 19 insertions(+), 9 deletions(-)
> >  create mode 100644 drivers/thermal/samsung/Kconfig
> >  create mode 100644 drivers/thermal/samsung/Makefile
> >  rename drivers/thermal/{ => samsung}/exynos_thermal.c (100%)
> > 
> > diff --git a/drivers/thermal/Kconfig b/drivers/thermal/Kconfig
> > index 5e3c025..081ddc5 100644
> > --- a/drivers/thermal/Kconfig
> > +++ b/drivers/thermal/Kconfig
> > @@ -114,14 +114,6 @@ config KIRKWOOD_THERMAL
> > 
> >  	  Support for the Kirkwood thermal sensor driver into the Linux thermal
> >  	  framework. Only kirkwood 88F6282 and 88F6283 have this sensor.
> > 
> > -config EXYNOS_THERMAL
> > -	tristate "Temperature sensor on Samsung EXYNOS"
> > -	depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5)
> > -	depends on CPU_THERMAL
> > -	help
> > -	  If you say yes here you get support for TMU (Thermal Management
> > -	  Unit) on SAMSUNG EXYNOS series of SoC.
> > -
> > 
> >  config DOVE_THERMAL
> >  
> >  	tristate "Temperature sensor on Marvell Dove SoCs"
> >  	depends on ARCH_DOVE
> > 
> > @@ -169,4 +161,9 @@ config INTEL_POWERCLAMP
> > 
> >  	  enforce idle time which results in more package C-state residency. The
> >  	  user interface is exposed via generic thermal framework.
> > 
> > +menu "Exynos thermal drivers"
> 
> would it be more proper to use "Samsung thermal drivers" or "Samsung
> Exynos thermal drivers" instead?

+1

Still, I wonder if it really makes sense to create a separate directory and 
submenu for this.

> > +depends on PLAT_SAMSUNG
> > +source "drivers/thermal/samsung/Kconfig"
> > +endmenu
> > +
> 
> sorry I know few about arm,
> could you tell me the difference between
> CONFIG_ARCH_EXYNOS4/CONFIG_ARCH_EXYNOS5 and CONFIG_PLAT_SAMSUNG please,
> I do not see the dependency between these in Kconfig file?

If those files were kept at thermal/, there would be no need for this check. 
Just particular drivers would depend on platform they are for.

Best regards,
-- 
Tomasz Figa
Samsung Poland R&D Center
SW Solution Development, Kernel and System Framework
> 
> >  endif
> > 
> > diff --git a/drivers/thermal/Makefile b/drivers/thermal/Makefile
> > index c054d41..b3063a9 100644
> > --- a/drivers/thermal/Makefile
> > +++ b/drivers/thermal/Makefile
> > @@ -17,7 +17,7 @@ thermal_sys-$(CONFIG_CPU_THERMAL)	+= cpu_cooling.o
> > 
> >  obj-$(CONFIG_SPEAR_THERMAL)	+= spear_thermal.o
> >  obj-$(CONFIG_RCAR_THERMAL)	+= rcar_thermal.o
> >  obj-$(CONFIG_KIRKWOOD_THERMAL)  += kirkwood_thermal.o
> > 
> > -obj-$(CONFIG_EXYNOS_THERMAL)	+= exynos_thermal.o
> > +obj-y				+= samsung/
> > 
> >  obj-$(CONFIG_DOVE_THERMAL)  	+= dove_thermal.o
> >  obj-$(CONFIG_DB8500_THERMAL)	+= db8500_thermal.o
> >  obj-$(CONFIG_ARMADA_THERMAL)	+= armada_thermal.o
> > 
> > diff --git a/drivers/thermal/samsung/Kconfig
> > b/drivers/thermal/samsung/Kconfig new file mode 100644
> > index 0000000..2d3d9dc
> > --- /dev/null
> > +++ b/drivers/thermal/samsung/Kconfig
> > @@ -0,0 +1,9 @@
> > +config EXYNOS_THERMAL
> > +	tristate "Temperature sensor on Samsung EXYNOS"
> > +	depends on (ARCH_EXYNOS4 || ARCH_EXYNOS5)
> > +	depends on CPU_THERMAL
> > +	help
> > +	  If you say yes here you get support for TMU (Thermal Management
> > +	  Unit) on SAMSUNG EXYNOS series of SoC. This helps in registering
> > +	  the exynos thermal driver with the core thermal layer and cpu
> > +	  cooling API's.
> > diff --git a/drivers/thermal/samsung/Makefile
> > b/drivers/thermal/samsung/Makefile new file mode 100644
> > index 0000000..1fe6d93
> > --- /dev/null
> > +++ b/drivers/thermal/samsung/Makefile
> > @@ -0,0 +1,4 @@
> > +#
> > +# Samsung thermal specific Makefile
> > +#
> > +obj-$(CONFIG_EXYNOS_THERMAL)	+= exynos_thermal.o
> > diff --git a/drivers/thermal/exynos_thermal.c
> > b/drivers/thermal/samsung/exynos_thermal.c similarity index 100%
> > rename from drivers/thermal/exynos_thermal.c
> > rename to drivers/thermal/samsung/exynos_thermal.c
> 
> --
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