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SubjectRe: [PATCH 1/2] pwm: kconfig: enable kona pwm to be built for cygnus arch
Hi Thierry,

On Thu, 8 Nov 2018 at 13:22, Thierry Reding <thierry.reding@gmail.com> wrote:
>
> On Thu, Nov 08, 2018 at 11:47:53AM +0100, Clément Péron wrote:
> > Hi Uwe, Scott,
> >
> > On Wed, 7 Nov 2018 at 17:48, Scott Branden <scott.branden@broadcom.com> wrote:
> > >
> > >
> > > On 2018-11-07 8:12 a.m., Uwe Kleine-König wrote:
> > > > On Wed, Nov 07, 2018 at 10:36:12AM +0100, Clément Péron wrote:
> > > >> The Cygnus architecture use a Kona PWM. This is already present
> > > >> in the device tree but can't be built actually. Hence, allow the
> > > >> Kona PWM to be built for Cygnus arch.
> > > >>
> > > >> Signed-off-by: Clément Péron <peron.clem@gmail.com>
> > > >> ---
> > > >> drivers/pwm/Kconfig | 3 ++-
> > > >> 1 file changed, 2 insertions(+), 1 deletion(-)
> > > >>
> > > >> diff --git a/drivers/pwm/Kconfig b/drivers/pwm/Kconfig
> > > >> index 763ee50ea57d..76d56fc8b1b7 100644
> > > >> --- a/drivers/pwm/Kconfig
> > > >> +++ b/drivers/pwm/Kconfig
> > > >> @@ -88,7 +88,8 @@ config PWM_BCM_IPROC
> > > >>
> > > >> config PWM_BCM_KONA
> > > >> tristate "Kona PWM support"
> > > >> - depends on ARCH_BCM_MOBILE
> > > >> + depends on ARCH_BCM_MOBILE || ARCH_BCM_CYGNUS
> > > >> + default ARCH_BCM_CYGNUS
> > > > Is it possible to build this driver also on other arches? Then you might
> > > > want to consider
> > > >
> > > > depends on ARCH_BCM_MOBILE || ARCH_BCM_CYGNUS || COMPILE_TEST
> > > good idea to add the COMPILE_TEST just to increase compile coverage
> >
> > Will Do.
>
> This is known to potentially break builds on things like UM where we
> have !HAS_IOMEM. Please make sure you thoroughly build-test before you
> switch on COMPILE_TEST.

Thanks for the point, so something like this (but maybe it's too
protective no ?) :

config PWM_BCM_KONA
tristate "Kona PWM support"
depends on ARCH_BCM_MOBILE || ARCH_BCM_CYGNUS || COMPILE_TEST
depends on COMMON_CLK && HAS_IOMEM && OF
default ARCH_BCM_CYGNUS

Regards,
Clement


>
> Thierry

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