On Fri, Aug 14, 2020 at 01:12:21PM +0200, Jorge Ramirez-Ortiz wrote: > Some secure elements like NXP's SE050 sit on I2C buses. For OP-TEE to > control this type of cryptographic devices it needs coordinated access > to the bus, so collisions and RUNTIME_PM dont get in the way. > > This trampoline driver allow OP-TEE to access them. > > Signed-off-by: Jorge Ramirez-Ortiz <jo...@foundries.io> > --- > v9: params return value must be written before optee_msg_to_param is called > v8: review fixes: > fix types and add TEEC_ERROR_NOT_SUPPORTED to GP errors > v7: add support for ten bit i2c slave addressing > v6: compile out if CONFIG_I2C not enabled > v5: alphabetic order of includes > v4: remove unnecessary extra line in optee_msg.h > v3: use from/to msg param to support all types of memory > modify OPTEE_MSG_RPC_CMD_I2C_TRANSFER message id > > drivers/tee/optee/optee_msg.h | 21 +++++++ > drivers/tee/optee/optee_private.h | 1 + > drivers/tee/optee/rpc.c | 95 +++++++++++++++++++++++++++++++ > 3 files changed, 117 insertions(+)
Looks good. Did you test this with the recently merged https://github.com/OP-TEE/optee_os/pull/4033 ? Cheers, Jens
