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authorArnd Bergmann <arnd@arndb.de>2023-12-06 16:15:25 +0100
committerArnd Bergmann <arnd@arndb.de>2023-12-06 16:15:26 +0100
commit9c7f01d5f438a3b3e3dc551df560ae420b4b741c (patch)
tree583b8c741eedd52bb5fc836d2abe78ea51a930fa /Documentation/ABI
parent2cc14f52aeb78ce3f29677c2de1f06c0e91471ab (diff)
parent7269cba53d906cf257c139d3b3a53ad272176bca (diff)
downloadlinux-9c7f01d5f438a3b3e3dc551df560ae420b4b741c.tar.gz
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')
-rw-r--r--Documentation/ABI/testing/sysfs-bus-optee-devices9
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 0f58701367b66..af31e5a22d89f 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.