diff options
author | Arnd Bergmann <arnd@arndb.de> | 2023-12-06 18:15:25 +0300 |
---|---|---|
committer | Arnd Bergmann <arnd@arndb.de> | 2023-12-06 18:15:26 +0300 |
commit | 9c7f01d5f438a3b3e3dc551df560ae420b4b741c (patch) | |
tree | 583b8c741eedd52bb5fc836d2abe78ea51a930fa /Documentation/ABI/testing | |
parent | 2cc14f52aeb78ce3f29677c2de1f06c0e91471ab (diff) | |
parent | 7269cba53d906cf257c139d3b3a53ad272176bca (diff) | |
download | linux-9c7f01d5f438a3b3e3dc551df560ae420b4b741c.tar.xz |
Merge tag 'optee-supplicant-fix-for-v6.7' of git://git.linaro.org:/people/jens.wiklander/linux-tee into arm/fixes
OP-TEE fix for supplicant based device enumeration
Adds a sysfs attribute for devices depending on supplicant services so
that the user-space service can detect and detach those devices before
closing the supplicant
* tag 'optee-supplicant-fix-for-v6.7' of git://git.linaro.org:/people/jens.wiklander/linux-tee:
tee: optee: Fix supplicant based device enumeration
Link: https://lore.kernel.org/r/20231114153113.GA1310615@rayden
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'Documentation/ABI/testing')
-rw-r--r-- | Documentation/ABI/testing/sysfs-bus-optee-devices | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-optee-devices b/Documentation/ABI/testing/sysfs-bus-optee-devices index 0f58701367b6..af31e5a22d89 100644 --- a/Documentation/ABI/testing/sysfs-bus-optee-devices +++ b/Documentation/ABI/testing/sysfs-bus-optee-devices @@ -6,3 +6,12 @@ Description: OP-TEE bus provides reference to registered drivers under this directory. The <uuid> matches Trusted Application (TA) driver and corresponding TA in secure OS. Drivers are free to create needed API under optee-ta-<uuid> directory. + +What: /sys/bus/tee/devices/optee-ta-<uuid>/need_supplicant +Date: November 2023 +KernelVersion: 6.7 +Contact: op-tee@lists.trustedfirmware.org +Description: + Allows to distinguish whether an OP-TEE based TA/device requires user-space + tee-supplicant to function properly or not. This attribute will be present for + devices which depend on tee-supplicant to be running. |