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SubjectRe: [PATCH v4 14/16] PM / devfreq: tegra: Enable COMPILE_TEST for the driver
On Tue, Jun 04, 2019 at 04:10:31PM +0200, Thierry Reding wrote:
> On Tue, Jun 04, 2019 at 04:53:17PM +0300, Dmitry Osipenko wrote:
> > 04.06.2019 14:20, Thierry Reding пишет:
> > > On Thu, May 02, 2019 at 02:38:13AM +0300, Dmitry Osipenko wrote:
> > >> The driver's compilation doesn't have any specific dependencies, hence
> > >> the COMPILE_TEST option can be supported in Kconfig.
> > >>
> > >> Reviewed-by: Chanwoo Choi <cw00.choi@samsung.com>
> > >> Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
> > >> ---
> > >> drivers/devfreq/Kconfig | 2 +-
> > >> 1 file changed, 1 insertion(+), 1 deletion(-)
> > >>
> > >> diff --git a/drivers/devfreq/Kconfig b/drivers/devfreq/Kconfig
> > >> index 56db9dc05edb..a6bba6e1e7d9 100644
> > >> --- a/drivers/devfreq/Kconfig
> > >> +++ b/drivers/devfreq/Kconfig
> > >> @@ -93,7 +93,7 @@ config ARM_EXYNOS_BUS_DEVFREQ
> > >>
> > >> config ARM_TEGRA_DEVFREQ
> > >> tristate "NVIDIA Tegra30/114/124/210 DEVFREQ Driver"
> > >> - depends on ARCH_TEGRA
> > >> + depends on ARCH_TEGRA || COMPILE_TEST
> > >> select PM_OPP
> > >> help
> > >> This adds the DEVFREQ driver for the Tegra family of SoCs.
> > >
> > > You need to be careful with these. You're using I/O register accessors,
> > > which are not supported on the UM architecture, for example.
> > >
> > > This may end up getting flagged during build testing.
> >
> > We have similar cases in other drivers and it doesn't cause any known
> > problems because (I think) build-bots are aware of this detail. Hence
>
> I don't understand how the build-bots would be aware of this detail.
> Unless you explicitly state what the dependencies are, how would the
> build-bots know? Perhaps there's some logic built-in somewhere that I
> don't know about?

So looks like COMPILE_TEST has a !UML dependency, so this might just
work.

Acked-by: Thierry Reding <treding@nvidia.com>
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