Re: [PATCH v2 3/6] clocksource/drivers: atmel-pit: allow unselecting ATMEL_PIT

From: Alexandre Belloni
Date: Sun Jan 07 2018 - 13:45:21 EST


On 07/01/2018 at 19:07:13 +0100, Daniel Lezcano wrote:
> On 05/01/2018 15:30, Alexandre Belloni wrote:
> > With the new TCB clocksource driver, atmel platforms are now able to boot
> > without the PIT driver. Allow unselecting it.
> >
> > Signed-off-by: Alexandre Belloni <alexandre.belloni@xxxxxxxxxxxxxxxxxx>
> > ---
> > drivers/clocksource/Kconfig | 9 ++++++++-
> > 1 file changed, 8 insertions(+), 1 deletion(-)
> >
> > diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig
> > index 5609572e0236..55ccfa0ba63b 100644
> > --- a/drivers/clocksource/Kconfig
> > +++ b/drivers/clocksource/Kconfig
> > @@ -381,7 +381,14 @@ config ARMV7M_SYSTICK
> >
> > config ATMEL_PIT
> > select TIMER_OF if OF
> > - def_bool SOC_AT91SAM9 || SOC_SAMA5
> > + bool "Atmel Periodic Interval Timer (PIT)"
> > + depends on SOC_AT91SAM9 || SOC_SAMA5
> > + default SOC_AT91SAM9 || SOC_SAMA5
> > + help
> > + Select this to get a clocksource based on the Atmel Periodic Interval
> > + Timer. It has a relatively low resolution and the TC Block clocksource
> > + should be preferred.
> > + It also provides a clock event device.
>
> Please conform to the format:
>
> config ATMEL_PIT
> bool "Atmel Periodic Interval Timer (PIT)" if COMPILE_TEST
> select ...
> help
> bla bla
>
> and select ATMEL_PIT from the platform's Kconfig.
>

Well, the goal is actually to allow people to unselect it so we don't
want the platform to select it.


--
Alexandre Belloni, Free Electrons
Embedded Linux and Kernel engineering
http://free-electrons.com