Re: [PATCH] net: mvpp2: avoid bouncing buffers
From: Christoph Hellwig
Date: Mon Aug 27 2018 - 11:48:51 EST
WE should basically never have dev->dma_mask = &dev->coherent_dma_mask,
so until that is the case you are doctoring around the symptoms and
not the problem.
Does the patch below help your case?