Re: [PATCH 2/6] usb: gadget: omap_udc: remove useless print

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Hi,

On Fri, Jun 01, 2012 at 04:01:24AM -0700, Tony Lindgren wrote:
> * Felipe Balbi <balbi@xxxxxx> [120529 05:22]:
> > that print isn't needed at all. Remove it
> > and move the use_dma reinitialization to
> > probe() function.
> > 
> > Note that ideally we would drop all
> > cpu_is_* and machine_is_* checks from
> > this driver instead. Later patches will
> > come to get rid of those.
> > 
> > Signed-off-by: Felipe Balbi <balbi@xxxxxx>
> > ---
> >  drivers/usb/gadget/omap_udc.c |   13 +++----------
> >  1 file changed, 3 insertions(+), 10 deletions(-)
> > 
> > diff --git a/drivers/usb/gadget/omap_udc.c b/drivers/usb/gadget/omap_udc.c
> > index aa2d174..5e7b891 100644
> > --- a/drivers/usb/gadget/omap_udc.c
> > +++ b/drivers/usb/gadget/omap_udc.c
> > @@ -2800,6 +2800,9 @@ static int __init omap_udc_probe(struct platform_device *pdev)
> >  	struct clk		*dc_clk = NULL;
> >  	struct clk		*hhc_clk = NULL;
> >  
> > +	if (cpu_is_omap7xx())
> > +		use_dma = 0;
> > +
> >  	/* NOTE:  "knows" the order of the resources! */
> >  	if (!request_mem_region(pdev->resource[0].start,
> >  			pdev->resource[0].end - pdev->resource[0].start + 1,
> 
> I think this would break omap_udc for 7xx as it then tries to use
> DMA as USED_MA is set by default?

I'm clearing it in the start of probe function. There's not functional
changes at all. use_dma is ON by default, then our probe gets called and
first thing we do is clear use_dma to zero when we're running on
omap7xx. I don't see the issue, maybe I'm missing something.

-- 
balbi

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