Hello, On Fri, Feb 20, 2015 at 07:01:03PM +0100, Maxime Coquelin wrote: > This patch adds clocksource support for ARMv7-M's System timer, > also known as SysTick. > > Signed-off-by: Maxime Coquelin <mcoquelin.stm32@xxxxxxxxx> > --- > drivers/clocksource/Kconfig | 7 ++++ > drivers/clocksource/Makefile | 1 + > drivers/clocksource/armv7m_systick.c | 78 ++++++++++++++++++++++++++++++++++++ > 3 files changed, 86 insertions(+) > create mode 100644 drivers/clocksource/armv7m_systick.c > > diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig > index fc01ec2..fb6011e 100644 > --- a/drivers/clocksource/Kconfig > +++ b/drivers/clocksource/Kconfig > @@ -124,6 +124,13 @@ config CLKSRC_ARM_GLOBAL_TIMER_SCHED_CLOCK > help > Use ARM global timer clock source as sched_clock > > +config ARMV7M_SYSTICK > + bool I assume this symbol is enabled later in the series. Would it make sense to allow enabing the symbol for compile test coverage? > + select CLKSRC_OF if OF What happens if ARMV7M_SYSTICK=y but OF=n? Doesn't the driver fail to compile? > + select CLKSRC_MMIO > + help > + This options enables support for the ARMv7M system timer unit the right spelling is ARMv7-M. Best regards Uwe -- Pengutronix e.K. | Uwe Kleine-König | Industrial Linux Solutions | http://www.pengutronix.de/ | -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
