Re: [PATCH 2/4] DW DMAC: add is-memcpu property to device tree
From: Andy Shevchenko
Date: Wed Nov 16 2016 - 10:14:05 EST
On Wed, 2016-11-16 at 16:56 +0300, Eugeniy Paltsev wrote:
> Memory-to-memory dma transfers were disabled by default if we
> used DT to cofigure DMAC.
> Add is-memcpu property, so it became possible to enable
> memory-to-memory transfers support via DT.
Fix "memcpu" to "memcpy" everywhere you use it.
>
> Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@xxxxxxxxxxxx>
> ---
> Âdrivers/dma/dw/platform.c | 3 +++
> Â1 file changed, 3 insertions(+)
>
> diff --git a/drivers/dma/dw/platform.c b/drivers/dma/dw/platform.c
> index 4103f1d..daeceac 100644
> --- a/drivers/dma/dw/platform.c
> +++ b/drivers/dma/dw/platform.c
> @@ -131,6 +131,9 @@ dw_dma_parse_dt(struct platform_device *pdev)
> Â else if (of_property_read_bool(np, "is-private"))
> Â pdata->is_private = true;
> Â
> + if (of_property_read_bool(np, "is-memcpu"))
> + 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