[PATCH] dmaengine: add dma_ctrl_cmd to pass buffer stride configuration

Dan Williams dan.j.williams at intel.com
Mon Jul 11 17:39:17 EDT 2011

On Mon, Jul 11, 2011 at 2:28 AM, Linus Walleij <linus.walleij at linaro.org> wrote:
> 2011/7/10 Sundaram Raju <sundaram at 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 at ti.com>
> This is exactly how I think we should do this.
> Acked-by: Linus Walleij <linus.walleij at linaro.org>

More information about the linux-arm-kernel mailing list