diff mbox

dma: cppi41: add missing directions bitfield

Message ID 1424904842-27902-1-git-send-email-balbi@ti.com (mailing list archive)
State New, archived
Headers show

Commit Message

Felipe Balbi Feb. 25, 2015, 10:54 p.m. UTC
Without those we will see a kernel WARN()
when loading musb on am335x devices.

Signed-off-by: Felipe Balbi <balbi@ti.com>
---
 drivers/dma/cppi41.c | 1 +
 1 file changed, 1 insertion(+)

Comments

Vinod Koul March 4, 2015, 12:43 p.m. UTC | #1
On Wed, Feb 25, 2015 at 04:54:02PM -0600, Felipe Balbi wrote:
> Without those we will see a kernel WARN()
> when loading musb on am335x devices.
> 
> Signed-off-by: Felipe Balbi <balbi@ti.com>
> ---
>  drivers/dma/cppi41.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
> index 512cb8e2805e..4e9cc8e8100c 100644
> --- a/drivers/dma/cppi41.c
> +++ b/drivers/dma/cppi41.c
> @@ -926,6 +926,7 @@ static int cppi41_dma_probe(struct platform_device *pdev)
>  	cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
>  	cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
>  	cdd->ddev.device_terminate_all = cppi41_stop_chan;
> +	cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
>  	cdd->ddev.dev = dev;
>  	INIT_LIST_HEAD(&cdd->ddev.channels);
>  	cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;
Along with this please set src/dstn_addr_widths and residue_granularity
please
Felipe Balbi March 9, 2015, 3:50 p.m. UTC | #2
On Wed, Mar 04, 2015 at 06:13:23PM +0530, Vinod Koul wrote:
> On Wed, Feb 25, 2015 at 04:54:02PM -0600, Felipe Balbi wrote:
> > Without those we will see a kernel WARN()
> > when loading musb on am335x devices.
> > 
> > Signed-off-by: Felipe Balbi <balbi@ti.com>
> > ---
> >  drivers/dma/cppi41.c | 1 +
> >  1 file changed, 1 insertion(+)
> > 
> > diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
> > index 512cb8e2805e..4e9cc8e8100c 100644
> > --- a/drivers/dma/cppi41.c
> > +++ b/drivers/dma/cppi41.c
> > @@ -926,6 +926,7 @@ static int cppi41_dma_probe(struct platform_device *pdev)
> >  	cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
> >  	cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
> >  	cdd->ddev.device_terminate_all = cppi41_stop_chan;
> > +	cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
> >  	cdd->ddev.dev = dev;
> >  	INIT_LIST_HEAD(&cdd->ddev.channels);
> >  	cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;
> Along with this please set src/dstn_addr_widths and residue_granularity
> please

will do.
diff mbox

Patch

diff --git a/drivers/dma/cppi41.c b/drivers/dma/cppi41.c
index 512cb8e2805e..4e9cc8e8100c 100644
--- a/drivers/dma/cppi41.c
+++ b/drivers/dma/cppi41.c
@@ -926,6 +926,7 @@  static int cppi41_dma_probe(struct platform_device *pdev)
 	cdd->ddev.device_issue_pending = cppi41_dma_issue_pending;
 	cdd->ddev.device_prep_slave_sg = cppi41_dma_prep_slave_sg;
 	cdd->ddev.device_terminate_all = cppi41_stop_chan;
+	cdd->ddev.directions = BIT(DMA_DEV_TO_MEM) | BIT(DMA_MEM_TO_DEV);
 	cdd->ddev.dev = dev;
 	INIT_LIST_HEAD(&cdd->ddev.channels);
 	cpp41_dma_info.dma_cap = cdd->ddev.cap_mask;