remoteproc: qcom_q6v5_adsp: Fix iommu_unmap() usage

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During adsp_map_carveout, the IOVA is computed by combining the
physical address and the SID:
    iova = adsp->mem_phys | (sid << 32);

However, adsp_unmap_carveout() uses the physical address and not
the IOVA in iommu_unmap(), causing the unmap to fail or leak
mappings because the address doesn't match the original IOVA.

Cache the constructed IOVA within the qcom_adsp device struct
during mapping and use it during unmapping.

Fixes: f22eedff28 ("remoteproc: qcom: Add support for memory sandbox")
Signed-off-by: Mostafa Saleh <smostafa@google.com>
Link: https://lore.kernel.org/r/20260827203055.640116-1-smostafa@google.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

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Mostafa Saleh 2026-08-27 20:30:55 +00:00 • committed by Bjorn Andersson

parent b853857293

commit 0d8e2195bc

1 changed files with 4 additions and 4 deletions

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drivers/remoteproc/qcom_q6v5_adsp.c

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