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tee: optee: take DT status property into account

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[ Upstream commit db878f76b9 ]

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>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ard Biesheuvel 2018-08-01 11:48:33 +02:00 committed by Greg Kroah-Hartman
parent cd3de5870c
commit 75a600d7f0
1 changed files with 1 additions and 1 deletions
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2
drivers/tee/optee/core.c
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@ -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);