Re: CF+ & PCMCIA

David Hinds <[email protected]> Wed, 10 Dec 2003 16:31:50 -0800
Newsgroups gmane.linux.pcmcia.devel
Message-ID <[email protected]>
On Sun, Dec 07, 2003 at 11:58:43PM -0800, Sriram Neelakandan Iyer wrote:
> Hi all,
> 
> The PCMCIA specs talks about dma interface ..but 
> socket services implementation in Linux 2.4.18
> (atleast) does not seem to implement ReqestDMA &
> ReleaseDMA service. Is there a plan to support these
> in the near future.. if so will this require change in
> the socket service layer ?

There are almost no PCMCIA cards that use DMA.  And supporting DMA is
tricky because there is not much consistency in implementations from
different system vendors.  So implementation has been a low priority.

-- Dave


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