firmware: arm_ffa: Use the correct buffer size during RXTX_MAP

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Don't use the discovered buffer size from an FFA_FEATURES call directly
since we can run on a system that has the PAGE_SIZE larger than the
returned size which makes the alloc_pages_exact for the buffer to be
rounded up.

Fixes: 61824feae5 ("firmware: arm_ffa: Fetch the Rx/Tx buffer size using ffa_features()")
Signed-off-by: Sebastian Ene <sebastianene@google.com>
Link: https://patch.msgid.link/20260402113939.930221-1-sebastianene@google.com
Signed-off-by: Sudeep Holla <sudeep.holla@kernel.org>

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Sebastian Ene 2026-04-02 11:39:39 +00:00 • committed by Sudeep Holla

parent 6de23f81a5

commit 83210251fd

1 changed files with 1 additions and 1 deletions

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drivers/firmware/arm_ffa/driver.c

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