[2/4] DW DMAC: add is-memcpu property to device tree

Message ID 1479304615-11360-3-git-send-email-Eugeniy.Paltsev@synopsys.com
State New
Headers show

Commit Message

Eugeniy Paltsev Nov. 16, 2016, 1:56 p.m.
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.

Signed-off-by: Eugeniy Paltsev <Eugeniy.Paltsev@synopsys.com>
---
 drivers/dma/dw/platform.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Andy Shevchenko Nov. 16, 2016, 3:12 p.m. | #1
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@synopsys.com>
> ---
>  drivers/dma/dw/platform.c | 3 +++
>  1 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)
>  	else if (of_property_read_bool(np, "is-private"))
>  		pdata->is_private = true;
>  
> +	if (of_property_read_bool(np, "is-memcpu"))
> +		pdata->is_memcpy = true;
> +
>  	if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
>  		pdata->chan_allocation_order = (unsigned char)tmp;
>

Patch

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)
 	else if (of_property_read_bool(np, "is-private"))
 		pdata->is_private = true;
 
+	if (of_property_read_bool(np, "is-memcpu"))
+		pdata->is_memcpy = true;
+
 	if (!of_property_read_u32(np, "chan_allocation_order", &tmp))
 		pdata->chan_allocation_order = (unsigned char)tmp;