2 files changed, 2 insertions, 0 deletions

diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 92afb723dcfc..2db380420b6f 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2698,6 +2698,7 @@ static int __init _register(struct omap_hwmod *oh)
         INIT_LIST_HEAD(&oh->master_ports);
         INIT_LIST_HEAD(&oh->slave_ports);
         spin_lock_init(&oh->_lock);
+        lockdep_set_class(&oh->_lock, &oh->hwmod_key);
 
         oh->_state = _HWMOD_STATE_REGISTERED;
 
diff --git a/arch/arm/mach-omap2/omap_hwmod.h b/arch/arm/mach-omap2/omap_hwmod.h
index 9d4bec6ee742..9611c91d9b82 100644
--- a/arch/arm/mach-omap2/omap_hwmod.h
+++ b/arch/arm/mach-omap2/omap_hwmod.h
@@ -674,6 +674,7 @@ struct omap_hwmod {
         u32                             _sysc_cache;
         void __iomem                    *_mpu_rt_va;
         spinlock_t                      _lock;
+        struct lock_class_key           hwmod_key; /* unique lock class */
         struct list_head                node;
         struct omap_hwmod_ocp_if        *_mpu_port;
         unsigned int                    (*xlate_irq)(unsigned int);