[PATCH v10 1/2] net: airoha: npu: fix missing streaming DMA mask
patchwork-bot+netdevbpf at kernel.org
patchwork-bot+netdevbpf at kernel.org
Thu Aug 27 08:40:06 PDT 2026
Hello:
This series was applied to netdev/net.git (main)
by Jakub Kicinski <kuba at kernel.org>:
On Thu, 20 Aug 2026 10:59:40 +0200 you 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.
>
> Replace dma_set_coherent_mask() with dma_set_mask_and_coherent() to
> set both the streaming and coherent DMA masks, matching standard
> driver practice.
>
> [...]
Here is the summary with links:
- [v10,1/2] net: airoha: npu: fix missing streaming DMA mask
https://git.kernel.org/netdev/net/c/6fe7e31a45e3
- [v10,2/2] net: airoha: npu: use cacheline-sized buffers for mailbox DMA
(no matching commit)
You are awesome, thank you!
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