diff options
| author | Etienne Carriere | 2022-07-26 16:21:43 +0200 |
|---|---|---|
| committer | Tom Rini | 2022-09-14 15:23:03 -0400 |
| commit | 57fb86a97d75dbf9898bce50813cf63106da08ac (patch) | |
| tree | 0377fa56a1664d2b9da54338d19a57fd7ca00671 | |
| parent | 94ccfb78a4d61cac7cbc78f23751ec1db949d29e (diff) | |
drivers: rng: optee_rng: register to CONFIG_OPTEE_SERVICE_DISCOVERY
Changes optee_rng driver to register itself has a OP-TEE service so
that a device is bound for the driver when OP-TEE enumerates the
PTA RNG service.
Cc: Sughosh Ganu <sughosh.ganu@linaro.org>
Cc: Patrick Delaunay <patrick.delaunay@foss.st.com>
Signed-off-by: Etienne Carriere <etienne.carriere@linaro.org>
Reviewed-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
| -rw-r--r-- | drivers/rng/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/rng/optee_rng.c | 7 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/rng/Kconfig b/drivers/rng/Kconfig index 16143681da6..5dcf68176af 100644 --- a/drivers/rng/Kconfig +++ b/drivers/rng/Kconfig @@ -41,6 +41,7 @@ config RNG_NPCM config RNG_OPTEE bool "OP-TEE based Random Number Generator support" depends on DM_RNG && OPTEE + default y if OPTEE_SERVICE_DISCOVERY help This driver provides support for the OP-TEE based Random Number Generator on ARM SoCs where hardware entropy sources are not diff --git a/drivers/rng/optee_rng.c b/drivers/rng/optee_rng.c index aa8ce864d33..410dfc053f1 100644 --- a/drivers/rng/optee_rng.c +++ b/drivers/rng/optee_rng.c @@ -11,6 +11,9 @@ #include <dm/device.h> #include <dm/device_compat.h> #include <linux/sizes.h> +#include <tee/optee_service.h> + +#define DRIVER_NAME "optee-rng" #define TEE_ERROR_HEALTH_TEST_FAIL 0x00000001 @@ -35,6 +38,8 @@ #define TA_HWRNG_UUID { 0xab7a617c, 0xb8e7, 0x4d8f, \ { 0x83, 0x01, 0xd0, 0x9b, 0x61, 0x03, 0x6b, 0x64 } } +OPTEE_SERVICE_DRIVER(optee_rng, TA_HWRNG_UUID, DRIVER_NAME); + /** open_session_ta_hwrng() - Open session with hwrng Trusted App * * @dev: device @@ -177,7 +182,7 @@ static const struct dm_rng_ops optee_rng_ops = { }; U_BOOT_DRIVER(optee_rng) = { - .name = "optee-rng", + .name = DRIVER_NAME, .id = UCLASS_RNG, .ops = &optee_rng_ops, .probe = optee_rng_probe, |