On Fri, 01 Feb 2019 09:48:01 +0100,
Christoph Hellwig wrote:
The DMA API generally relies on a struct device to work properly, and
only barely works without one for legacy reasons. Pass the easily
available struct device from the platform_device to remedy this.
Also use GFP_KERNEL instead of GFP_USER as the gfp_t for the memory
allocation, as we should treat this allocation as a normal kernel one.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Takashi Iwai <redacted>
thanks,
Takashi