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Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal driver

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On Thu, Apr 27, 2017 at 01:42:25PM -0400, Jon Mason wrote:
> On Thu, Apr 27, 2017 at 12:37 PM, Eduardo Valentin <edubezval@gmail.com> wrote:
> > Hey Jason,
> 
> It's Jon :)

Apologies. I think I either read too fast, or my fingers were faster
than my brain. Sorry.

> 
> >
> > On Tue, Apr 25, 2017 at 04:49:10PM -0400, Jon Mason wrote:
> >> Change the iProc Kconfig to select THERMAL and THERMAL_OF, which allows
> >> the ns-thermal driver to be selected via menuconfig.  Also, change the
> >> ns-thermal driver to work on any iProc based SoC.  Finally, tweak the
> >> Kconfig description to mention support for NSP and make the default on
> >> for iProc based platforms.
> >
> >
> > Thanks for the patch, but..
> >>
> >> Signed-off-by: Jon Mason <jon.mason@broadcom.com>
> >> ---
> >>  arch/arm/mach-bcm/Kconfig        | 2 ++
> >>  drivers/thermal/broadcom/Kconfig | 9 +++++----
> >>  2 files changed, 7 insertions(+), 4 deletions(-)
> >>
> >> diff --git a/arch/arm/mach-bcm/Kconfig b/arch/arm/mach-bcm/Kconfig
> >> index a0e66d8..da2bfeb 100644
> >> --- a/arch/arm/mach-bcm/Kconfig
> >> +++ b/arch/arm/mach-bcm/Kconfig
> >> @@ -19,6 +19,8 @@ config ARCH_BCM_IPROC
> >>       select GPIOLIB
> >>       select ARM_AMBA
> >>       select PINCTRL
> >> +     select THERMAL
> >> +     select THERMAL_OF
> >>       help
> >>         This enables support for systems based on Broadcom IPROC architected SoCs.
> >>         The IPROC complex contains one or more ARM CPUs along with common
> >
> > It would be better if this is split and sent through your arch tree, to
> > avoid conflicts. I could also pick it if you get an ack from one of your
> > maintainers. Still, first option is preferable.
> 
> Sure, I'll be happy to split this off.  I should've thought to split
> it up before sending.  Thanks for the suggestion.

Cool!

> 
> >
> >> diff --git a/drivers/thermal/broadcom/Kconfig b/drivers/thermal/broadcom/Kconfig
> >> index f0dea8a..26d706c 100644
> >> --- a/drivers/thermal/broadcom/Kconfig
> >> +++ b/drivers/thermal/broadcom/Kconfig
> >> @@ -1,8 +1,9 @@
> >>  config BCM_NS_THERMAL
> >>       tristate "Northstar thermal driver"
> >>       depends on ARCH_BCM_IPROC || COMPILE_TEST
> >> +     default ARCH_BCM_IPROC
> >
> > Not sure if this is really what you wanted. Based on your commit log
> > message, you meant the following, perhaps?
> >
> >  +      default y if ARCH_BCM_IPROC
> 
> IIUC, my original default works, as we have used it frequently in
> other places in the kernel.
> grep -rI "default ARCH_BCM_IPROC" * | wc -l
> 15

Yeah... Are you sure they are all correct?

> 
> However, if the above is preferred (or the other 15 massively broken),
> I'll be happy to do it that way.

Your construction is syntactically correct. Maybe might still work (did
not check myself) for the purpose you describe, but the construction
mentioned in Documentation/kbuild/kconfig-language.txt is:
 +      default y if BAR

So, please fix it.


> 
> 
> >>       help
> >> -       Northstar is a family of SoCs that includes e.g. BCM4708, BCM47081,
> >> -       BCM4709 and BCM47094. It contains DMU (Device Management Unit) block
> >> -       with a thermal sensor that allows checking CPU temperature. This
> >> -       driver provides support for it.
> >> +       Support for the Northstar and Northstar Plus family of SoCs (e.g.
> >> +       BCM4708, BCM4709, BCM5301x, BCM95852X, etc). It contains DMU (Device
> >
> > Did we look BCM47094 somehow on this patch?
> 
> Naa, just trying to be more concise, while adding the NSP products to
> the list..  BCM47094 is a type of BCM4709.  So, it is still there :)
> 
> >
> >> +       Management Unit) block with a thermal sensor that allows checking CPU
> >> +       temperature.
> >> --
> >> 2.7.4
> >>

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Thread

[PATCH 0/2] thermal: broadcom: Add NSP Thermal Support Jon Mason <jon.mason@broadcom.com> - 2017-04-25 22:50 +0200
  [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal driver Jon Mason <jon.mason@broadcom.com> - 2017-04-25 23:00 +0200
    Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal  driver Eduardo Valentin <edubezval@gmail.com> - 2017-04-27 18:40 +0200
      Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal driver Jon Mason <jon.mason@broadcom.com> - 2017-04-27 19:50 +0200
        Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal  driver Eduardo Valentin <edubezval@gmail.com> - 2017-04-28 15:10 +0200
          Re: [PATCH 1/2] thermal: broadcom: Allow for NSP to use ns-thermal driver Jon Mason <jon.mason@broadcom.com> - 2017-04-28 20:10 +0200
  [PATCH 2/2] ARM: dts: NSP: Add Thermal Support Jon Mason <jon.mason@broadcom.com> - 2017-04-25 23:00 +0200
    Re: [PATCH 2/2] ARM: dts: NSP: Add Thermal Support Eduardo Valentin <edubezval@gmail.com> - 2017-04-27 18:40 +0200

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