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SubjectRe: [PATCH 01/18] MIPS: lantiq: pass struct device to DMA API functions
Hi Christoph,

On Fri, Feb 01, 2019 at 09:47:44AM +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_ATOMIC as the gfp_t for the memory
> allocation, as we aren't in interrupt context or under a lock.
> Note that this whole function looks somewhat bogus given that we never
> even look at the returned dma address, and the CPHYSADDR magic on
> a returned noncached mapping looks "interesting". But I'll leave
> that to people more familiar with the code to sort out.
> Signed-off-by: Christoph Hellwig <>
> ---
> arch/mips/lantiq/xway/vmmc.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)

Would you like this to go through the MIPS tree or elsewhere? If the

Acked-by: Paul Burton <>


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