Merge v6.12.13linux-rolling-stable

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 8 insertions, 1 deletions

diff --git a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
index bba40158dd5c..8e50b900d51c 100644
--- a/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
+++ b/Documentation/driver-api/crypto/iaa/iaa-crypto.rst
@@ -272,7 +272,7 @@ The available attributes are:
       echo async_irq > /sys/bus/dsa/drivers/crypto/sync_mode
 
     Async mode without interrupts (caller must poll) can be enabled by
-    writing 'async' to it::
+    writing 'async' to it (please see Caveat)::
 
       echo async > /sys/bus/dsa/drivers/crypto/sync_mode
 
@@ -283,6 +283,13 @@ The available attributes are:
 
     The default mode is 'sync'.
 
+    Caveat: since the only mechanism that iaa_crypto currently implements
+    for async polling without interrupts is via the 'sync' mode as
+    described earlier, writing 'async' to
+    '/sys/bus/dsa/drivers/crypto/sync_mode' will internally enable the
+    'sync' mode. This is to ensure correct iaa_crypto behavior until true
+    async polling without interrupts is enabled in iaa_crypto.
+
 .. _iaa_default_config:
 
 IAA Default Configuration