Re: [PATCH 04/15] media: pxa_camera: remove the dmaengine compat need

[Mauro Carvalho Chehab]

Em Sun, 22 Apr 2018 13:06:12 +0200
Hans Verkuil <hverk...@xs4all.nl> escreveu:

> On 04/02/2018 04:26 PM, Robert Jarzmik wrote:
> > From: Robert Jarzmik <robert.jarz...@renault.com>
> > 
> > As the pxa architecture switched towards the dmaengine slave map, the
> > old compatibility mechanism to acquire the dma requestor line number and
> > priority are not needed anymore.
> > 
> > This patch simplifies the dma resource acquisition, using the more
> > generic function dma_request_slave_channel().
> > 
> > Signed-off-by: Robert Jarzmik <robert.jarz...@free.fr>  
> 
> Acked-by: Hans Verkuil <hans.verk...@cisco.com>

I'm assuming that you'll be applying it together with other PXA patches.
So:

Acked-by: Mauro Carvalho Chehab <mchehab+sams...@kernel.org>

Regards,
Mauro
> 
> Regards,
> 
>       Hans
> 
> > ---
> >  drivers/media/platform/pxa_camera.c | 22 +++-------------------
> >  1 file changed, 3 insertions(+), 19 deletions(-)
> > 
> > diff --git a/drivers/media/platform/pxa_camera.c 
> > b/drivers/media/platform/pxa_camera.c
> > index c71a00736541..4c82d1880753 100644
> > --- a/drivers/media/platform/pxa_camera.c
> > +++ b/drivers/media/platform/pxa_camera.c
> > @@ -2357,8 +2357,6 @@ static int pxa_camera_probe(struct platform_device 
> > *pdev)
> >             .src_maxburst = 8,
> >             .direction = DMA_DEV_TO_MEM,
> >     };
> > -   dma_cap_mask_t mask;
> > -   struct pxad_param params;
> >     char clk_name[V4L2_CLK_NAME_SIZE];
> >     int irq;
> >     int err = 0, i;
> > @@ -2432,34 +2430,20 @@ static int pxa_camera_probe(struct platform_device 
> > *pdev)
> >     pcdev->base = base;
> >  
> >     /* request dma */
> > -   dma_cap_zero(mask);
> > -   dma_cap_set(DMA_SLAVE, mask);
> > -   dma_cap_set(DMA_PRIVATE, mask);
> > -
> > -   params.prio = 0;
> > -   params.drcmr = 68;
> > -   pcdev->dma_chans[0] =
> > -           dma_request_slave_channel_compat(mask, pxad_filter_fn,
> > -                                            &params, &pdev->dev, "CI_Y");
> > +   pcdev->dma_chans[0] = dma_request_slave_channel(&pdev->dev, "CI_Y");
> >     if (!pcdev->dma_chans[0]) {
> >             dev_err(&pdev->dev, "Can't request DMA for Y\n");
> >             return -ENODEV;
> >     }
> >  
> > -   params.drcmr = 69;
> > -   pcdev->dma_chans[1] =
> > -           dma_request_slave_channel_compat(mask, pxad_filter_fn,
> > -                                            &params, &pdev->dev, "CI_U");
> > +   pcdev->dma_chans[1] = dma_request_slave_channel(&pdev->dev, "CI_U");
> >     if (!pcdev->dma_chans[1]) {
> >             dev_err(&pdev->dev, "Can't request DMA for Y\n");
> >             err = -ENODEV;
> >             goto exit_free_dma_y;
> >     }
> >  
> > -   params.drcmr = 70;
> > -   pcdev->dma_chans[2] =
> > -           dma_request_slave_channel_compat(mask, pxad_filter_fn,
> > -                                            &params, &pdev->dev, "CI_V");
> > +   pcdev->dma_chans[2] = dma_request_slave_channel(&pdev->dev, "CI_V");
> >     if (!pcdev->dma_chans[2]) {
> >             dev_err(&pdev->dev, "Can't request DMA for V\n");
> >             err = -ENODEV;
> >   
> 



Thanks,
Mauro