From: Thomas Gleixner Date: Sat, 1 May 2010 18:29:35 +0200 Subject: ARM: at91: tclib: Default to tclib timer for RT Origin: https://www.kernel.org/pub/linux/kernel/projects/rt/3.12/patches-3.12.0-rt2.tar.xz RT is not too happy about the shared timer interrupt in AT91 devices. Default to tclib timer for RT. Signed-off-by: Thomas Gleixner --- drivers/misc/Kconfig | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) --- a/drivers/misc/Kconfig +++ b/drivers/misc/Kconfig @@ -63,6 +63,7 @@ config ATMEL_PWM config ATMEL_TCLIB bool "Atmel AT32/AT91 Timer/Counter Library" depends on (AVR32 || ARCH_AT91) + default y if PREEMPT_RT_FULL help Select this if you want a library to allocate the Timer/Counter blocks found on many Atmel processors. This facilitates using @@ -95,7 +96,7 @@ config ATMEL_TCB_CLKSRC_BLOCK config ATMEL_TCB_CLKSRC_USE_SLOW_CLOCK bool "TC Block use 32 KiHz clock" depends on ATMEL_TCB_CLKSRC - default y + default y if !PREEMPT_RT_FULL help Select this to use 32 KiHz base clock rate as TC block clock source for clock events.