[PATCH] ARM: COLIBRI PXA320: fix UCB1400 irq autoprobing

[marek.vasut@gmail.com (Marek Vasut)]

Dne St 11. srpna 2010 16:33:45 Daniel Mack napsal(a):
> Hi Yuri,
> 
> thanks for the patch.
> 
> On Wed, Aug 11, 2010 at 04:54:13PM +0400, Yuri Ludkevich wrote:
> > Ads properly initialization to GPIO4 ( alt. fn. #1, nCS3; because GPIO4
> > and GPIO4_2 cannot be
> > configured as GPIO simultaneously ) so GPIO4_2 which used as irq line
> > from UCB1400 may be
> > detected while irq autoprobing routine.
> 
> This looks fine to me, but Marek wanted to rework the board support in
> order to unify the GPIO configs for better readability. Marek, is there
> any tree which contains your changes already?
> 
I hope there will be tomorrow ...
> 
> Thanks,
> Daniel
> 
> > Signed-off by: Yuri Ludkevich <urx.forever@gmail.com>
> > ---
> > 
> > --- linux-next/arch/arm/mach-pxa/colibri-pxa320.c.orig  2010-08-11
> > 16:01:46.000000000 +0400
> > +++ linux-next/arch/arm/mach-pxa/colibri-pxa320.c       2010-08-11
> > 16:23:30.000000000 +0400
> > @@ -236,6 +236,19 @@ static void __init colibri_pxa320_init_u
> > 
> >         pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_uart_pin_config))
> >         ;
> >  
> >  }
> > 
> > +
> > +static mfp_cfg_t colibri_pxa320_cpld_pin_config[] __initdata = {
> > +       /* init GPIO4 as nCS3 (AF1). If GPIO4 stay as GPIO
> > +          touchscreen irq (GPIO4_2 pin) autoprobing will not work.
> > +          See Marvell PXA320 datasheet for more details */
> > +       GPIO4_nCS3,
> > +};
> > +
> > +static void __init colibri_pxa320_init_cpld(void)
> > +{
> > +      
> > pxa3xx_mfp_config(ARRAY_AND_SIZE(colibri_pxa320_cpld_pin_config)); +}
> > +
> > 
> >  void __init colibri_pxa320_init(void)
> >  {
> >  
> >         pxa_set_ffuart_info(NULL);
> > 
> > @@ -252,6 +265,7 @@ void __init colibri_pxa320_init(void)
> > 
> >                                 mfp_to_gpio(MFP_PIN_GPIO28));
> >         
> >         colibri_pxa320_init_uart();
> >         colibri_pxa320_init_udc();
> > 
> > +       colibri_pxa320_init_cpld();
> > 
> >  }
> >  
> >  MACHINE_START(COLIBRI320, "Toradex Colibri PXA320")