diff mbox series

tee: optee: take DT status property into account

Message ID 20180801094833.8361-1-ard.biesheuvel@linaro.org (mailing list archive)
State New, archived
Headers show
Series tee: optee: take DT status property into account | expand

Commit Message

Ard Biesheuvel Aug. 1, 2018, 9:48 a.m. UTC 
DT nodes may have a 'status' property which, if set to anything other
than 'ok' or 'okay', indicates to the OS that the DT node should be
treated as if it was not present. So add that missing logic to the
OP-TEE driver.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 drivers/tee/optee/core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c
index e5fd5ed217da..69ea1efbb051 100644
--- a/drivers/tee/optee/core.c
+++ b/drivers/tee/optee/core.c
@@ -696,7 +696,7 @@  static int __init optee_driver_init(void)
 		return -ENODEV;
 
 	np = of_find_matching_node(fw_np, optee_match);
-	if (!np)
+	if (!np || !of_device_is_available(np))
 		return -ENODEV;
 
 	optee = optee_probe(np);