From: dan.j.williams@intel.com (Dan Williams)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH] dmaengine: add dma_ctrl_cmd to pass buffer stride configuration
Date: Mon, 11 Jul 2011 14:39:17 -0700 [thread overview]
Message-ID: <CAA9_cmeWUjiTghKbjAvith5c6z9PDVdFSeK55RYWfyQKFSjA+Q@mail.gmail.com> (raw)
In-Reply-To: <CAKnu2MqzSm8BVK4z9E-ud8e_jUohDfSfYO9aW-oN3RFw4p7GrA@mail.gmail.com>
On Mon, Jul 11, 2011 at 2:28 AM, Linus Walleij <linus.walleij@linaro.org> wrote:
> 2011/7/10 Sundaram Raju <sundaram@ti.com>:
>
>> Added new dma_ctrl_cmd TI_DMA_STRIDE_CONFIG to pass the TI DMA
>> controller specific configurations on how a buffer must be walked
>> through and how data is picked for transfer based on a specified
>> pattern over the channel.
>>
>> The configuration passed is specific to the TI DMA controller used.
...and I suspect the slave device drivers that use TI DMA are not
expected to ever work with other dmaengines? Likely the case, but
just wondering out loud.
>> Signed-off-by: Sundaram Raju <sundaram@ti.com>
>
> This is exactly how I think we should do this.
> Acked-by: Linus Walleij <linus.walleij@linaro.org>
next prev parent reply other threads:[~2011-07-11 21:39 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-07-10 15:03 [PATCH] dmaengine: add dma_ctrl_cmd to pass buffer stride configuration Sundaram Raju
2011-07-11 9:28 ` Linus Walleij
2011-07-11 21:39 ` Dan Williams [this message]
2011-07-12 9:58 ` Linus Walleij
2011-07-12 10:15 ` Raju, Sundaram
2011-07-12 4:17 ` Jassi Brar
2011-07-12 10:03 ` Linus Walleij
2011-07-12 10:56 ` Raju, Sundaram
2011-07-12 11:09 ` Linus Walleij
2011-07-12 11:20 ` Jassi Brar
2011-07-12 11:31 ` Raju, Sundaram
2011-07-12 12:45 ` Jassi Brar
2011-07-18 7:51 ` Raju, Sundaram
2011-07-23 20:35 ` Jassi Brar
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