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Date:	Thu, 9 May 2013 07:45:05 +0530
From:	amit daniel kachhap <amit.daniel@...sung.com>
To:	Eduardo Valentin <eduardo.valentin@...com>
Cc:	linux-pm@...r.kernel.org, Zhang Rui <rui.zhang@...el.com>,
	linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Kukjin Kim <kgene.kim@...sung.com>
Subject: Re: [RESEND PATCH V3 01/21] thermal: exynos: Moving exynos thermal
 files into samsung directory

Hi Eduardo,

On Wed, May 8, 2013 at 9:19 PM, Eduardo Valentin
<eduardo.valentin@...com> wrote:
> On 07-05-2013 09:07, 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@...sung.com>
>> Signed-off-by: Amit Daniel Kachhap <amit.daniel@...sung.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 "Samsung thermal drivers"
>> +depends on PLAT_SAMSUNG
>> +source "drivers/thermal/samsung/Kconfig"
>> +endmenu
>> +
>>  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)
>
> Do you really want to keep a list of Kconfig dependency here?
>
> I was suggested to have a config entry (like ARCH_HAS_BANDBAP) and then
> in the driver use:
>         depends on ARCH_HAS_BANDGAP
>
> And the arch/ code would just selects ARCH_HAS_BANDGAP (like
> ARCH_HAS_CPUFREQ).

yes your suggestion looks good and then no need to change this Kconfig
for new SOC. Will incorporate this in new version.

Regards,
Amit Daniel
>
>> +     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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