Verified: 
# dmesg | grep FF-A
[    1.595981] ARM FF-A: Driver version 1.2
[    1.595983] ARM FF-A: Firmware version 1.2 found
# uname -r
6.11.0-1013-nvidia

** Tags removed: verification-needed-noble-linux-nvidia-6.11
** Tags added: verification-done-noble-linux-nvidia-6.11

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You received this bug notification because you are a member of Kernel
Packages, which is subscribed to linux-nvidia-6.11 in Ubuntu.
https://bugs.launchpad.net/bugs/2118357

Title:
  nvidia-ffa-ec: Fix FFH data response length

Status in linux-nvidia-6.11 package in Ubuntu:
  Invalid
Status in linux-nvidia-6.14 package in Ubuntu:
  Invalid
Status in linux-nvidia-6.11 source package in Noble:
  Fix Committed
Status in linux-nvidia-6.14 source package in Noble:
  Fix Committed

Bug description:
  While testing the FFA support for EC secure service communication we
  found an issue.

  While copying the data back into ACPI FFH packet,it uses the request
  length. The response data can be largerthan request length. The
  response length can't be fetched in thelinux FFH handler function. We
  can copy all the bytes fromffa_data.data. The ACPI AML code will only
  use the required number bytes from this.

  This patch will fix this patch: 
  Fixes: d0038ee ("NVIDIA: SAUCE: Add support for EC secure service 
communication")

  We will need the patch for linux nvidia 6.11 kernel and 6.14 kernel.

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