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KEYS: trusted: tee: Make registered shm dependency explicit
TEE trusted keys support depends on registered shared memory support since the key buffers are needed to be registered with OP-TEE. So make that dependency explicit to not register trusted keys support if underlying implementation doesn't support registered shared memory. Signed-off-by: Sumit Garg <sumit.garg@linaro.org> Tested-by: Jerome Forissier <jerome.forissier@linaro.org> Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org> Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
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@ -219,7 +219,8 @@ static int trusted_tee_get_random(unsigned char *key, size_t key_len)
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static int optee_ctx_match(struct tee_ioctl_version_data *ver, const void *data)
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{
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if (ver->impl_id == TEE_IMPL_ID_OPTEE)
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if (ver->impl_id == TEE_IMPL_ID_OPTEE &&
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ver->gen_caps & TEE_GEN_CAP_REG_MEM)
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return 1;
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else
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return 0;
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