Re: [RESEND PATCH V7 4/6] i2c: qup: Add bam dma capabilities
From: Wolfram Sang
Date: Wed Feb 24 2016 - 05:20:04 EST
On Mon, Feb 22, 2016 at 05:38:15PM +0530, Sricharan R wrote:
> QUP cores can be attached to a BAM module, which acts as
> a dma engine for the QUP core. When DMA with BAM is enabled,
> the BAM consumer pipe transmitted data is written to the
> output FIFO and the BAM producer pipe received data is read
> from the input FIFO.
>
> With BAM capabilities, qup-i2c core can transfer more than
> 256 bytes, without a 'stop' which is not possible otherwise.
>
> Signed-off-by: Sricharan R <sricharan@xxxxxxxxxxxxxx>
> Reviewed-by: Andy Gross <andy.gross@xxxxxxxxxx>
> Tested-by: Archit Taneja <architt@xxxxxxxxxxxxxx>
> Tested-by: Telkar Nagender <ntelkar@xxxxxxxxxxxxxx>
Applied to for-next, thanks!
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