When dynamic shared memory support is enabled in the OP-TEE Trusted OS, it doesn't mean that the driver supports it, which can confuse users during debugging. Log a message when dynamic shared memory is enabled in the driver, to let users know for sure.
Suggested-by: Jerome Forissier jerome.forissier@linaro.org Signed-off-by: Victor Chong victor.chong@linaro.org Reviewed-by: Jerome Forissier jerome.forissier@linaro.org ---
v2: * Added patch description
[v1] lore.kernel.org/patchwork/patch/983949/
drivers/tee/optee/core.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index e1aafe842d66..cca5c091e55a 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -631,6 +631,9 @@ static struct optee *optee_probe(struct device_node *np)
optee_enable_shm_cache(optee);
+ if (optee->sec_caps & OPTEE_SMC_SEC_CAP_DYNAMIC_SHM) + pr_info("dynamic shared memory is enabled\n"); + pr_info("initialized driver\n"); return optee; err: -- 2.17.1