Re: [PATCH 2/2] dw_dmac: make usage of dw_dma_slave optional

[Andy Shevchenko <andriy.shevchenko@linux.intel.com>]

On Thu, 2012-11-15 at 20:28 +0530, viresh kumar wrote: 
> On Thu, Nov 15, 2012 at 7:50 PM, Andy Shevchenko
> <andriy.shevchenko@linux.intel.com> wrote:
> > diff --git a/drivers/dma/dw_dmac.c b/drivers/dma/dw_dmac.c
> 
> > +static inline bool dwc_is_slave(struct dma_slave_config *sconfig)
> > +{
> > +       return is_slave_direction(sconfig->direction);
> > +}
> 
> I will not buy this one. Why hide the real implementation, call
> is_slave_direction()
> directly.

There is no strong reason to keep it so.

> > @@ -1344,6 +1352,8 @@ struct dw_cyclic_desc *dw_dma_cyclic_prep(struct dma_chan *chan,
> > +       sconfig->direction = direction;
> > +
> 
> > @@ -1718,6 +1728,7 @@ static int __devinit dw_probe(struct platform_device *pdev)
> > +               dwc->dma_sconfig.direction = DMA_TRANS_NONE;
> 
> Why do you need above changes??

This one is not needed indeed. But we have to look after default (0)
enum value.


-- 
Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Intel Finland Oy