From: "Dan Williams" <dan.j.williams@intel.com>
To: "Zhang Wei" <wei.zhang@freescale.com>
Cc: linuxppc-dev@ozlabs.org, akpm@linux-foundation.org,
paulus@samba.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH 3/4] Extend the DMA-engine API.
Date: Tue, 10 Jul 2007 11:41:32 -0700 [thread overview]
Message-ID: <e9c3a7c20707101141m17e313e2k99be5b7197edc910@mail.gmail.com> (raw)
In-Reply-To: <11840607111926-git-send-email-wei.zhang@freescale.com>
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
next prev parent reply other threads:[~2007-07-10 18:41 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-07-10 9:45 [PATCH 3/4] Extend the DMA-engine API Zhang Wei
2007-07-10 15:46 ` Randy Dunlap
2007-07-10 18:41 ` Dan Williams [this message]
2007-07-11 7:39 ` Zhang Wei-r63237
2007-07-11 16:56 ` Dan Williams
2007-07-12 6:31 ` Zhang Wei-r63237
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