[ARM] 3554/1: ARM: Fix dyntick locking

Patch from Tony Lindgren

This patch fixes some dyntick locking issues on ARM as pointed
out by Russell King.

Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

1 files changed, 1 insertions, 0 deletions

diff --git a/include/asm-arm/mach/time.h b/include/asm-arm/mach/time.h
index 96c6db7dd0e..9f28073559e 100644
--- a/include/asm-arm/mach/time.h
+++ b/include/asm-arm/mach/time.h
@@ -50,6 +50,7 @@ struct sys_timer {
 #define DYN_TICK_ENABLED        (1 << 1)
 
 struct dyn_tick_timer {
+        spinlock_t      lock;
         unsigned int    state;                  /* Current state */
         int             (*enable)(void);        /* Enables dynamic tick */
         int             (*disable)(void);       /* Disables dynamic tick */