xtensa: ccount based clockevent implementation
Reused some code from a preliminary implementation by Max Fillippov.
Cc: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Chris Zankel <chris@zankel.net>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 0a1b95f..dadcf82 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -6,6 +6,7 @@
select ARCH_WANT_FRAME_POINTERS
select HAVE_IDE
select GENERIC_ATOMIC64
+ select GENERIC_CLOCKEVENTS
select HAVE_GENERIC_HARDIRQS
select VIRT_TO_BUS
select GENERIC_IRQ_SHOW