hwspinlock: ignore disabled device

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

Acked-by: Suman Anna <s-anna@ti.com>
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>

diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c
index 2bad40d42210dbe2250caae353e600fae090dd50..d806307f19c2cca2f0fef71c06cb39ecb6021ae7 100644 (file)
--- 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();