[PATCH v2] hwspinlock: ignore disabled device

[Fabien Dessenne]

Do not wait for hwspinlock device registration if it is not available
for use.

Signed-off-by: Fabien Dessenne <fabien.desse...@st.com>
---
V2: use 'goto out' instead of 'return'

 drivers/hwspinlock/hwspinlock_core.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/drivers/hwspinlock/hwspinlock_core.c 
b/drivers/hwspinlock/hwspinlock_core.c
index 2bad40d..d806307 100644
--- a/drivers/hwspinlock/hwspinlock_core.c
+++ b/drivers/hwspinlock/hwspinlock_core.c
@@ -333,6 +333,11 @@ int of_hwspin_lock_get_id(struct device_node *np, int 
index)
        if (ret)
                return ret;
 
+       if (!of_device_is_available(args.np)) {
+               ret = -ENOENT;
+               goto out;
+       }
+
        /* Find the hwspinlock device: we need its base_id */
        ret = -EPROBE_DEFER;
        rcu_read_lock();
-- 
2.7.4