[alsa-devel] [PATCH 01/18] MIPS: lantiq: pass struct device to DMA API functions

Paul Burton paul.burton at mips.com
Tue Feb 12 18:41:27 CET 2019


Hello,

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 <hch at lst.de>

Applied to mips-fixes.

Thanks,
    Paul

[ This message was auto-generated; if you believe anything is incorrect
  then please email paul.burton at mips.com to report it. ]


More information about the Alsa-devel mailing list