[U-Boot] [U-Boot,v9,2/3] dma: add channels support

[Tom Rini]

On Wed, Nov 28, 2018 at 07:17:50PM +0100, Álvaro Fernández Rojas wrote:

> This adds channels support for dma controllers that have multiple channels
> which can transfer data to/from different devices (enet, usb...).
> 
> DMA channle API:
>  dma_get_by_index()
>  dma_get_by_name()
>  dma_request()
>  dma_free()
>  dma_enable()
>  dma_disable()
>  dma_prepare_rcv_buf()
>  dma_receive()
>  dma_send()
> 
> Reviewed-by: Tom Rini <trini at konsulko.com>
> Signed-off-by: Álvaro Fernández Rojas <noltari at gmail.com>
> [grygorii.strashko at ti.com: drop unused dma_get_by_index_platdata(),
>  add metadata to send/receive ops, add dma_prepare_rcv_buf(),
>  minor clean up]
> Signed-off-by: Grygorii Strashko <grygorii.strashko at ti.com>
> Reviewed-by: Simon Glass <sjg at chromium.org>

Applied to u-boot/master, thanks!

-- 
Tom
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