Thread (5 messages) 5 messages, 3 authors, 24d ago

Re: [PATCH] firmware: arm_ffa: Treat missing FF-A feature on a platform as a probe miss

From: Sudeep Holla <sudeep.holla@kernel.org>
Date: 2026-05-27 09:16:37
Also in: kvmarm, linux-arm-kernel, linux-integrity, lkml

On Tue, 26 May 2026 11:36:49 +0100, Sudeep Holla wrote:
When FF-A initialisation is driven from a platform device probe, systems
that do not implement FF-A can return -EOPNOTSUPP from the early transport
or version discovery paths. Driver core treats that as a matched probe
failure and prints:

  |  arm-ffa arm-ffa: probe with driver arm-ffa failed with error -95

[...]
Applied to sudeep.holla/linux (for-next/ffa/updates), thanks!

[1/1] firmware: arm_ffa: Treat missing FF-A feature on a platform as a probe miss
      https://git.kernel.org/sudeep.holla/c/18706ea68fc4

--
Regards,
Sudeep
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