drivers: bus: check cci device tree node status

The arm-cci driver completes the probe sequence even if the cci node is
marked as disabled. Add a check in the driver to honour the cci status
in the device tree.

Signed-off-by: Abhilash Kesavan <a.kesavan@samsung.com>
Acked-by: Sudeep Holla <sudeep.holla@arm.com>
Acked-by: Nicolas Pitre <nico@linaro.org>
Tested-by: Sudeep Holla <sudeep.holla@arm.com>
Tested-by: Kevin Hilman <khilman@linaro.org>
Signed-off-by: Olof Johansson <olof@lixom.net>

diff --git a/drivers/bus/arm-cci.c b/drivers/bus/arm-cci.c
index 860da40..0ce5e2d 100644 (file)
--- a/drivers/bus/arm-cci.c
+++ b/drivers/bus/arm-cci.c
@@ -1312,6 +1312,9 @@ static int cci_probe(void)
        if (!np)
                return -ENODEV;
 
+       if (!of_device_is_available(np))
+               return -ENODEV;
+
        cci_config = of_match_node(arm_cci_matches, np)->data;
        if (!cci_config)
                return -ENODEV;