Re: [PATCH v2 1/2] DW DMAC: enable memory-to-memory transfers support

From: Andy Shevchenko
Date: Fri Nov 18 2016 - 12:47:22 EST


On Fri, 2016-11-18 at 19:53 +0300, Eugeniy Paltsev wrote:
> All known devices, which use DT for configuration, support
> memory-to-memory transfers. So enable it by default, if we read
> configuration from DT.
>

Acked-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>

> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx>
> ---
> Âdrivers/dma/dw/platform.c | 6 ++++++
> Â1 file changed, 6 insertions(+)
>
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 5bda0eb..aa7a5c1 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -129,6 +129,12 @@ dw_dma_parse_dt(struct platform_device *pdev)
> Â if (of_property_read_bool(np, "is_private"))
> Â pdata->is_private = true;
> Â
> + /*
> + Â* All known devices, which use DT for configuration, support
> + Â* memory-to-memory transfers. So enable it by default.
> + Â*/
> + pdata->is_memcpy = true;
> +
> Â if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
> Â pdata->chan_allocation_order = (unsigned char)tmp;
> Â

--
Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
Intel Finland Oy