[PATCH 3/4] Extend the DMA-engine API.

[Zhang Wei-r63237]

Hi, Dan, 

Do you mention here: http://marc.info/?l=linux-raid&m=118290909614463&w=2 ?
I see the async_tx is located at crypto/ of the above page, but my patch is for DMA engine in drivers/dma and for DMA engine driver.

Thanks!
Wei.
> -----Original Message-----
> Subject: Re: [PATCH 3/4] Extend the DMA-engine API.
> 
> On 7/10/07, Zhang Wei <wei.zhang at freescale.com> wrote:
> > Add channel wait queue and transfer callback dma_xfer_callback().
> > If the DMA controller and driver support interrupt, when the
> > transfer is finished, it will wakeup the wait queue
> > and call the callback function of the channel.
> >
> > Add dma_async_raw_xfer() to API and device_raw_xfer() to 
> struct dma_device
> > for RAW physical address DMA transfer, which will be used 
> at transfer
> > between I/O address and memory address.
> >
> 
> Please review the async_tx API patch series[1], it should meet your
> needs.  What you call "raw" mode support is now default for the
> dmaengine driver interface.  I plan to request that this series be
> merged for 2.6.23.
> 
> Regards,
> Dan
> 
> [1]http://marc.info/?l=linux-raid&w=2&r=1&s=md-accel&q=b
>