On Wed, 6 Feb 2008 11:46:43 -0700
"Dan Williams" <[EMAIL PROTECTED]> wrote:
> > The client must somehow know when the transfer is complete -- after
> > all, it has to call async_tx_ack() at some point. So additional
> > callbacks shouldn't be needed.
> >
>
> The 'ack' only signifies that the cl
On Feb 4, 2008 8:32 AM, Haavard Skinnemoen <[EMAIL PROTECTED]> wrote:
> On Wed, 30 Jan 2008 10:39:47 -0700
> "Dan Williams" <[EMAIL PROTECTED]> wrote:
>
> > Agreed, the issue is how to do this without requiring an
> > interrupt+callback sequence for each transaction or requiring the
> > client to c
On Wed, 30 Jan 2008 10:39:47 -0700
"Dan Williams" <[EMAIL PROTECTED]> wrote:
> Agreed, the issue is how to do this without requiring an
> interrupt+callback sequence for each transaction or requiring the
> client to carry per transaction unmap-data. For example NET_DMA never
> sees a dma_addr_t a
On Jan 30, 2008 1:56 AM, Haavard Skinnemoen <[EMAIL PROTECTED]> wrote:
> On Tue, 29 Jan 2008 22:56:14 -0800
> David Brownell <[EMAIL PROTECTED]> wrote:
>
> > On Tuesday 29 January 2008, Haavard Skinnemoen wrote:
> > >
> > > Btw, there's one issue I forgot to mention: I believe the DMA Engine
> > >
On Tue, 29 Jan 2008 22:56:14 -0800
David Brownell <[EMAIL PROTECTED]> wrote:
> On Tuesday 29 January 2008, Haavard Skinnemoen wrote:
> >
> > Btw, there's one issue I forgot to mention: I believe the DMA Engine
> > framework is currently misusing the DMA mapping API, and this patchset
> > makes thi
On Tuesday 29 January 2008, Haavard Skinnemoen wrote:
>
> Btw, there's one issue I forgot to mention: I believe the DMA Engine
> framework is currently misusing the DMA mapping API, and this patchset
> makes things worse.
>
> Currently, the async_tx bits of the API do the required calls to
> dma_m
On Tue, 29 Jan 2008 19:10:08 +0100
Haavard Skinnemoen <[EMAIL PROTECTED]> wrote:
> This patch series adds the necessary interfaces to the DMA Engine
> framework to use functionality found on most embedded DMA controllers:
> DMA from and to I/O registers with hardware handshaking.
Btw, there's one
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