diff options
| author | Patrick Delaunay <patrick.delaunay@foss.st.com> | 2022-03-29 14:21:24 +0200 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2022-04-11 10:28:04 -0400 |
| commit | 70812bb83da61decfd824482e9767db56b2cc932 (patch) | |
| tree | d8e4654c35fb0bd1e23b5da3d7972f45dc0b8f5d /drivers/tee | |
| parent | fd52e7f9c775b71f64c4348703a7cc60f5fc8cf8 (diff) | |
tee: optee: bind rng optee driver
In U-Boot, the discovery of TA based on its UUID on the TEE bus is
not supported.
This patch only binds the driver associated to the new supported
OP-TEE TA = TA_HWRNG when this driver is enable.
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Diffstat (limited to 'drivers/tee')
| -rw-r--r-- | drivers/tee/optee/core.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/drivers/tee/optee/core.c b/drivers/tee/optee/core.c index dad46aa388..a89d62aaf0 100644 --- a/drivers/tee/optee/core.c +++ b/drivers/tee/optee/core.c @@ -7,6 +7,7 @@ #include <cpu_func.h> #include <dm.h> #include <dm/device_compat.h> +#include <dm/lists.h> #include <log.h> #include <malloc.h> #include <tee.h> @@ -641,6 +642,8 @@ static int optee_probe(struct udevice *dev) { struct optee_pdata *pdata = dev_get_plat(dev); u32 sec_caps; + struct udevice *child; + int ret; if (!is_optee_api(pdata->invoke_fn)) { dev_err(dev, "OP-TEE api uid mismatch\n"); @@ -665,6 +668,16 @@ static int optee_probe(struct udevice *dev) return -ENOENT; } + /* + * in U-Boot, the discovery of TA on the TEE bus is not supported: + * only bind the drivers associated to the supported OP-TEE TA + */ + if (IS_ENABLED(CONFIG_RNG_OPTEE)) { + ret = device_bind_driver(dev, "optee-rng", "optee-rng", &child); + if (ret) + return ret; + } + return 0; } |