linux-kernel - RE: [PATCH v3 3/3] arm:davinci: move NAND and NOR devices as aemif MFD slaves

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Date:	Wed, 8 Feb 2012 04:00:13 +0000
From:	"Manjunathappa, Prakash" <prakash.pm@...com>
To:	Michael Williamson <michael.williamson@...ticallink.com>
CC:	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	"linux-mtd@...ts.infradead.org" <linux-mtd@...ts.infradead.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"davinci-linux-open-source@...ux.davincidsp.com" 
	<davinci-linux-open-source@...ux.davincidsp.com>,
	Russell King <linux@....linux.org.uk>,
	Samuel Ortiz <sameo@...ux.intel.com>,
	David Woodhouse <dwmw2@...radead.org>
Subject: RE: [PATCH v3 3/3] arm:davinci: move NAND and NOR devices as aemif
 MFD slaves

Hi Mike,

On Tue, Feb 07, 2012 at 22:15:33, Michael Williamson wrote:
> Hello Prakash,
> 
> On 2/7/2012 10:11 AM, Manjunathappa, Prakash wrote:
> 
> > NAND and NOR device are made as aemif device slaves, hence all DaVinci
> > board NAND/NOR device registration achieved via aemif MFD driver.
> >
> > Signed-off-by: Manjunathappa, Prakash <prakash.pm@...com>
> > ---
> > Since v2:
> > Make changes for all DaVinci boards in single patch.
> 
> 
> 
> [...]
> 
> > diff --git a/arch/arm/mach-davinci/board-mityomapl138.c b/arch/arm/mach-davinci/board-mityomapl138.c
> > index 672d820..bb29b7a 100644
> > --- a/arch/arm/mach-davinci/board-mityomapl138.c
> > +++ b/arch/arm/mach-davinci/board-mityomapl138.c
> > @@ -19,6 +19,7 @@
> >  #include <linux/etherdevice.h>
> >  #include <linux/spi/spi.h>
> >  #include <linux/spi/flash.h>
> > +#include <linux/mfd/davinci_aemif.h>
> >  
> >  #include <asm/io.h>
> >  #include <asm/mach-types.h>
> > @@ -414,18 +415,35 @@ static struct resource mityomapl138_nandflash_resource[] = {
> >  	},
> >  };
> >  
> > -static struct platform_device mityomapl138_nandflash_device = {
> > -	.name		= "davinci_nand",
> > -	.id		= 1,
> > -	.dev		= {
> > -		.platform_data	= &mityomapl138_nandflash_data,
> > +static struct platform_device mityomapl138_emif_devices[] __initdata = {
> > +	{
> > +		.name		= "davinci_nand",
> > +		.id		= 0,
> 
> 
> 
> Pretty sure this still needs to be a 1.  The nand is on chip select 3,
> EMA_CS3, which I believe is the same as the da850 EVM.

Yes I could not test on this board. I will make id as 1.

Thanks,
Prakash

> 
> -Mike
> 
> 
> 

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