> As the only caller of dma_supported() outside of DMA API internals, the
> qtfnmac driver stands out and invites scrutiny. Thankfully, it's not
> being used for evil, but it is entirely redundant, since it open-codes a
> check that the DMA mask setting functions are going to perform anyway.
> In f
As the only caller of dma_supported() outside of DMA API internals, the
qtfnmac driver stands out and invites scrutiny. Thankfully, it's not
being used for evil, but it is entirely redundant, since it open-codes a
check that the DMA mask setting functions are going to perform anyway.
In fact, the w