Messages in this thread | | | Date | Tue, 10 Jul 2007 11:41:32 -0700 | From | "Dan Williams" <> | Subject | Re: [PATCH 3/4] Extend the DMA-engine API. |
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On 7/10/07, Zhang Wei <wei.zhang@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 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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