Subject: [PATCHv4 1/3] mx2_camera: Add soc_camera support for i.MX25/i.MX27

From: [email-masked] (Uwe Kleine-König)
Date: Wed, 30 Jun 2010 09:28:08 +0200

Hi Guennadi,

On Wed, Jun 30, 2010 at 09:20:36AM +0200, Guennadi Liakhovetski wrote:
> > > --- a/arch/arm/plat-mxc/include/mach/memory.h
> > > +++ b/arch/arm/plat-mxc/include/mach/memory.h
> > > @@ -44,12 +44,12 @@
> > >   */
> > >  #define CONSISTENT_DMA_SIZE SZ_8M
> > >  
> > > -#elif defined(CONFIG_MX1_VIDEO)
> > > +#elif defined(CONFIG_MX1_VIDEO) || defined(CONFIG_MX2_VIDEO)
> > >  /*
> > >   * Increase size of DMA-consistent memory region.
> > >   * This is required for i.MX camera driver to capture at least four VGA frames.
> > >   */
> > >  #define CONSISTENT_DMA_SIZE SZ_4M
> > > -#endif /* CONFIG_MX1_VIDEO */
> > > +#endif /* CONFIG_MX1_VIDEO || CONFIG_MX2_VIDEO */
> > Why not use CONFIG_VIDEO_MX2 here and get rid of CONFIG_MX2_VIDEO?
> 
> Well, firstly for uniformity with MX1 and MX3,
Using a common scheme for names on all platforms is fine, but if the
existing names are bad better establish a nicer scheme.

>                                                secondly not to have to use 
> (CONFIG_VIDEO_MX2 || CONFIG_VIDEO_MX2_MODULE),
ah, didn't notice that MX?_VIDEO is bool while VIDEO_MX? is tristate.
That's fine.  Still I would prefer a better naming that doesn't force
having to look up which variable is for the driver and which is for the
arch stuff.

>                                                also note, that 
> CONFIG_MX1_VIDEO is also used for linking of the FIQ handler for the camera.
This is just a matter of fixing the corresponding Makefile.

Best regards
Uwe

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Pengutronix e.K.                           | Uwe Kleine-K?nig            |
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