Re: [RFC 1/6] s390/ism: Set DMA coherent mask

[Christoph Hellwig]

On Wed, Oct 19, 2022 at 04:44:30PM +0200, Niklas Schnelle wrote:
>  	if (ret)
>  		goto err_resource;
>  
> +	ret = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));

Nit:  but you could also just replace the call to dma_set_mask abobe with
a call to dma_set_mask_and_coherent.