Hello,
> dma_set_mask_and_coherent() should never fail when the mask is >= 32bit,
> unless the architecture has no DMA support. So no need check for the error
> and also no need to set dma_set_mask_and_coherent(32) as a fallback.
>
> Even if dma_set_mask_and_coherent(48) fails due to the lack of DMA support
> (theoretically), then dma_set_mask_and_coherent(32) will also fail for the
> same reason. So the fallback doesn't make sense.
>
> Due to the above reasons, let's simplify the code by setting the streaming
> and coherent DMA mask to 48 bits.
Applied to misc, thank you!
[1/1] misc: pci_endpoint_test: Refactor dma_set_mask_and_coherent() logic
https://git.kernel.org/pci/pci/c/27ea748a3abd
Krzysztof
