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SubjectRe: [PATCH v5 0/6] hwmon: thermal: Odroid U3: Provide support for Odroid U3 fan
On Wed, Feb 25, 2015 at 02:29:18PM -0400, Eduardo Valentin wrote:
> Guenter,
>
> On Wed, Feb 25, 2015 at 09:18:20AM -0800, Guenter Roeck wrote:
> > On Wed, Feb 25, 2015 at 04:34:16PM +0100, Lukasz Majewski wrote:
> > > Presented patches add support for Odroid's U3 optional CPU FAN, which uses PWM
> > > subsystem for low level control.
> > >
> > > After successful probe it registers itself as a cooling device for thermal
> > > subsystem.
> > >
> > > This driver also supports devices without DTS specified.
> > >
> > > To provide correct functionality, new properties to device tree description for
> > > Exynos4412 and in particular Odroid U3 have been added.
> > >
> > > Those patches were tested at Exynos4412 - Odroid U3 board.
> > >
> > > Patches were applied on:
> > > linux-soc-thermal/fixes branch (Linux v4.0-rc1)
> > > SHA1: b71d399c7f2fe06b60b96155ec0b9ae167334e4a
> > >
> > > Kamil Debski (1):
> > > ARM: dts: Add pwm-fan node to the Odroid-U3 board
> > >
> > > Lukasz Majewski (5):
> > > Documentation: dts: Documentation entry to explain how to use PWM FAN
> > > as a cooling device
> > > ARM: dts: Add properties to use pwm-fan device as a cooling device in
> > > Odroid U3
> > > hwmon: pwm-fan: Extract __set_pwm() function to only modify PWM duty
> > > cycle
> > > hwmon: pwm-fan: Read PWM FAN configuration from device tree
> > > hwmon: pwm-fan: Code for using PWM FAN as a cooling device
> > >
> > > .../devicetree/bindings/hwmon/pwm-fan.txt | 25 +++-
> > > arch/arm/boot/dts/exynos4.dtsi | 2 +-
> > > arch/arm/boot/dts/exynos4412-odroidu3.dts | 43 ++++++
> > > drivers/hwmon/pwm-fan.c | 166 +++++++++++++++++++--
> > > 4 files changed, 220 insertions(+), 16 deletions(-)
> > >
> > For the series:
> >
> > Acked-by: Guenter Roeck <linux@roeck-us.net>
> >
> > Should I take it through hwmon ? Might make sense given the majority
> > of the changes is in hwmon code.
>
> I believe the series should go via your tree, yes. I had only minor
> comments in the code added for the cooling device code, as it lacks the
> unregistration call in the .remove callback.
>
> Also, the DTS changes may generate conflicts with platform code. Lukasz
> may probably ask Kukjin Kim to add them via the samsung tree.
>
Ok, I'll wait for the updated patch and then add the hwmon parts to hwmon-next.

Thanks,
Guenter


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