xtensa: select generic atomic64_t support
This will fix build errors:
block/blk-cgroup.c:609:2: error: unknown type name 'atomic64_t'
block/blk-cgroup.c:609:2: error: implicit declaration of function 'ATOMIC64_INIT' [-Werror=implicit-function-declaration]
Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
Cc: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 8a3f835..8ed64cf 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -7,6 +7,7 @@
config XTENSA
def_bool y
select HAVE_IDE
+ select GENERIC_ATOMIC64
select HAVE_GENERIC_HARDIRQS
select GENERIC_IRQ_SHOW
select GENERIC_CPU_DEVICES