Re: [PATCH 2/3] dmaengine: plx_dma: Remove obsolete 32-bit DMA mask fallback

[Logan Gunthorpe]

On 2026-09-03 5:54 a.m., Ruizhe Zhou wrote:
> The DMA API guarantees support for masks of 32 bits or wider and
> explicitly identifies retrying a 32-bit mask after a wider request as
> incorrect:
> https://docs.kernel.org/core-api/dma-api-howto.html#dma-addressing-capabilities
> 
> Remove the obsolete fallback while retaining the error check so that a
> genuine DMA setup failure is still propagated and aborts initialization.
> 
> Signed-off-by: Ruizhe Zhou <zhouruizhe@xxxxxxxxxxx>

Makes sense to me, thanks.

Reviewed-by: Logan Gunthorpe <logang@xxxxxxxxxxxx>