Re: [PATCH 5/6] driver core: lift dma_default_coherent into common code

From: Greg Kroah-Hartman
Date: Mon Feb 08 2021 - 10:01:53 EST


On Mon, Feb 08, 2021 at 03:50:23PM +0100, Christoph Hellwig wrote:
> Lift the dma_default_coherent variable from the mips architecture code
> to the driver core. This allows an architecture to sdefault all device
> to be DMA coherent at run time, even if the kernel is build with support
> for DMA noncoherent device. By allowing device_initialize to ѕet the
> ->dma_coherent field to this default the amount of arch hooks required
> for this behavior can be greatly reduced.
>
> Signed-off-by: Christoph Hellwig <hch@xxxxxx>

Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>