[PATCH v10 1/2] net: airoha: npu: fix missing streaming DMA mask
Jakub Kicinski
kuba at kernel.org
Sat Aug 22 12:27:27 PDT 2026
On Thu, 20 Aug 2026 10:59:40 +0200 Daniel Pawlik wrote:
> The driver calls dma_set_coherent_mask() but never dma_set_mask(),
> leaving the streaming DMA mask at the bus default. On the non-coherent
> EN7581 platform (Cortex-A53), this causes the NPU mailbox to hang
> after approximately 41 calls when using streaming DMA mappings.
Can you confirm if patch 2 is still needed after this fix?
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