Hi Sughosh, On Mon, 4 Jul 2022 at 07:35, Sughosh Ganu <sughosh.g...@linaro.org> wrote: > > The TPM device has a builtin random number generator(RNG) > functionality. Expose the RNG functions of the TPM device to the > driver model so that they can be used by the EFI_RNG_PROTOCOL if the > protocol is installed. > > Also change the function arguments and return type of the random > number functions to comply with the driver model api. > > Signed-off-by: Sughosh Ganu <sughosh.g...@linaro.org> > --- > Changes since V5: > * Use the dev_get_parent() interface for getting the TPM device when > calling the tpm_get_random() function > > drivers/rng/Kconfig | 11 +++++++++++ > drivers/rng/Makefile | 1 + > drivers/rng/tpm_rng.c | 23 +++++++++++++++++++++++ > lib/Kconfig | 1 + > lib/tpm-v1.c | 13 +++++++------ > lib/tpm-v2.c | 6 +++--- > lib/tpm_api.c | 6 +++--- > 7 files changed, 49 insertions(+), 12 deletions(-) > create mode 100644 drivers/rng/tpm_rng.c
The API change should not be needed. The code that calls the TPM routines should adapt for that. Regards, Simon
