Re: [PATCH 21/22] mmc: wbsd: Use dma_alloc_noncoherent() for dma buffer

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



On Tue, Feb 22, 2022 at 05:14:16PM +0800, Baoquan He wrote:
> > No, if you change it, it should be dma_set_coherent_mask only as it is
> > not using streaming mappings.  I suspect dma_set_mask_and_coherent is
> > the right thing if the driver ever wants to use streaming mapping,
> > it would just need to be documented in the commit message.
> 
> It will serve dma_alloc_noncoherent() calling later, should be streaming
> mapping?

No, that also looks at the coherent mask.  Which is a bit misnamed these
days, it really should be the alloc mask.




[Index of Archives]     [Linux ARM Kernel]     [Linux ARM]     [Linux Omap]     [Fedora ARM]     [IETF Annouce]     [Bugtraq]     [Linux OMAP]     [Linux MIPS]     [eCos]     [Asterisk Internet PBX]     [Linux API]

  Powered by Linux