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Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS

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On Wednesday 13 January 2016 18:03:24 Thierry Reding wrote:
> On Fri, Dec 04, 2015 at 02:57:17PM +0000, Jon Hunter wrote:
> > Enable PM_GENERIC_DOMAINS for tegra 64-bit devices. To ensure that devices
> > dependent upon a particular power-domain are only probed when that power
> > domain has been powered up, requires that PM is made mandatory for tegra
> > 64-bit devices and so select this option for tegra as well.
> > 
> > Signed-off-by: Jon Hunter <jonathanh@nvidia.com>
> > ---
> >  arch/arm64/Kconfig.platforms | 2 ++
> >  1 file changed, 2 insertions(+)
> > 
> > diff --git a/arch/arm64/Kconfig.platforms b/arch/arm64/Kconfig.platforms
> > index 9806324fa215..e0b5bd0aff0f 100644
> > --- a/arch/arm64/Kconfig.platforms
> > +++ b/arch/arm64/Kconfig.platforms
> > @@ -93,6 +93,8 @@ config ARCH_TEGRA
> >       select GENERIC_CLOCKEVENTS
> >       select HAVE_CLK
> >       select PINCTRL
> > +     select PM
> > +     select PM_GENERIC_DOMAINS
> >       select RESET_CONTROLLER
> >       help
> >         This enables support for the NVIDIA Tegra SoC family.
> 
> This has potential consequences for multi-platform builds, doesn't it?
> All of a sudden any combination of builds that includes Tegra won't be
> possible to build without PM support.
> 
> Adding linux-arm-kernel@lists.infradead.org for visibility.
> 
> 

Agreed, it would be better to add 'depends on PM_GENERIC_DOMAINS'
dependencies in the drivers that require it.

	Arnd

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Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Thierry Reding <thierry.reding@gmail.com> - 2016-01-13 18:10 +0100
  Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Arnd Bergmann <arnd@arndb.de> - 2016-01-13 21:50 +0100
    Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Ulf Hansson <ulf.hansson@linaro.org> - 2016-01-14 10:00 +0100
      Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Arnd Bergmann <arnd@arndb.de> - 2016-01-14 10:30 +0100
        Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Thierry Reding <thierry.reding@gmail.com> - 2016-01-14 11:30 +0100
          Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Arnd Bergmann <arnd@arndb.de> - 2016-01-14 12:20 +0100
        Re: [PATCH V4 16/16] ARM64: tegra: select PM_GENERIC_DOMAINS Jon Hunter <jonathanh@nvidia.com> - 2016-01-14 18:20 +0100

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