Re: [PATCH 2/3] dmaengine: pl330: enable burst mode by parsing dt

[Xing Zheng]

Hi Shawn,

On 2016å08æ05æ 10:53, Shawn Lin wrote:
> Currently pl330 use single mode defaultly. But burst
> mode can improve efficiency of memory accessing. We
> couldn't enable it by defalut in case of breaking any
> Socs which don't support it.
>
> With burst mode supported, we could see the improvement
> significantly when tesing SPI transfer etc.
>
> default single mode
> [   88.292550] spi write 65536*1 cost 32402us speed:2022KB/S
>
> After applied with burst mode(len 16)
> [   17.625296] spi write 65536*1 cost 17830us speed:3675KB/S
>
> Cc: Huibin Hong <huibin.hong@xxxxxxxxxxxxxx>
> Cc: Xing Zheng <zhengxing@xxxxxxxxxxxxxx>
> Signed-off-by: Shawn Lin <shawn.lin@xxxxxxxxxxxxxx>
> ---
Tested-by: Xing Zheng <zhengxing@xxxxxxxxxxxxxx>

Thanks

--
- Xing Zheng