[PATCH v2] firmware: arm_ffa: Handle maximum RX/TX buffer size

[Sudeep Holla]

On Tue, 02 Jun 2026 21:54:06 +0000, Seth Forshee wrote:
> A partition manager may reject unsupported RX/TX buffer sizes by
> returning INVALID_PARAMETERS. Commit 83210251fd70 ("firmware: arm_ffa:
> Use the correct buffer size during RXTX_MAP") has the effect of rounding
> up the buffer size from FFA_FEATURES to be PAGE_SIZE-aligned, which may
> be larger than what the partition manager supports. This caused RXTX_MAP
> to fail for some FF-A implementations on kernels with PAGE_SIZE > 4K.
> 
> [...]

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

[1/1] firmware: arm_ffa: Handle maximum RX/TX buffer size
      https://git.kernel.org/sudeep.holla/c/53716a4d745f
--
Regards,
Sudeep