linux-kernel - Re: [PATCH 5/5] ARM: ux500: Do not supply DMA platform data when booting u8540 platform

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Message-ID: <20130322171413.GA2960@gmail.com>
Date:	Fri, 22 Mar 2013 17:14:13 +0000
From:	Lee Jones <lee.jones@...aro.org>
To:	Arnd Bergmann <arnd@...db.de>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	linus.walleij@...ricsson.com
Subject: Re: [PATCH 5/5] ARM: ux500: Do not supply DMA platform data when
 booting u8540 platform

On Fri, 22 Mar 2013, Arnd Bergmann wrote:

> On Friday 22 March 2013, Lee Jones wrote:
> >         /* automatically probe child nodes of db8500 device */
> >         of_platform_populate(NULL, u8500_local_bus_nodes, u8500_auxdata_lookup, parent);
> > +
> > +       if (of_machine_is_compatible("st-ericsson,u8540"))
> > +               of_platform_populate(NULL, u8500_local_bus_nodes,
> > +                                    u8540_auxdata_uart_lookup, parent);
> > +       else
> > +               of_platform_populate(NULL, u8500_local_bus_nodes,
> > +                                    u8500_auxdata_uart_lookup, parent);
> >  }
> >  
> 
> Does this still work on u8500? I did not think you could call 
> of_platform_populate twice on the root node and still get the result
> you want.

I haven't checked.

I'll look into the inner workings of of_platform_populate() on Monday.

Thanks for the pointer.

-- 
Lee Jones
Linaro ST-Ericsson Landing Team Lead
Linaro.org │ Open source software for ARM SoCs
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