Re: [PATCH v10 1/2] net: airoha: npu: fix missing streaming DMA mask

Jakub Kicinski <[email protected]>
Newsgroups org.infradead.lists.linux-mediatek,org.infradead.lists.linux-arm-kernel,org.kernel.vger.netdev
Message-ID <[email protected]> 
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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