Re: [PATCH 1/3] ARM: dts: am335x-phytec-phyflex: Increase kernel partition on SPI NOR

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Hello Sascha,

Am Dienstag, den 09.12.2014, 10:13 +0100 schrieb Sascha Hauer:
> Hi Teresa,
> 
> On Mon, Dec 08, 2014 at 10:59:49AM +0100, Teresa Gámez wrote:
> > Increase kernel partition to end of SPI NOR.
> > 
> > Signed-off-by: Teresa Gámez <t.gamez@xxxxxxxxx>
> > ---
> >  arch/arm/dts/am335x-phytec-phyflex.dts | 2 +-
> >  1 file changed, 1 insertion(+), 1 deletion(-)
> > 
> > diff --git a/arch/arm/dts/am335x-phytec-phyflex.dts b/arch/arm/dts/am335x-phytec-phyflex.dts
> > index c4481f5..0de7e87 100644
> > --- a/arch/arm/dts/am335x-phytec-phyflex.dts
> > +++ b/arch/arm/dts/am335x-phytec-phyflex.dts
> > @@ -187,7 +187,7 @@
> >  
> >  		partition@4 {
> >  			label = "kernel";
> > -			reg = <0xe0000 0x400000>;
> > +			reg = <0xe0000 0x0>;
> >  		};
> 
> I wasn't aware barebox handles this case like you intend here. What
> about the kernel? Won't you end up with a zero sized partition there?

have a look at include/linux/mtd/partitions.h in the linux kernel.

There is a macro defined 
#define MTDPART_SIZ_FULL        (0)

And the comment above says: 
size: the partition size; if defined as MTDPART_SIZ_FULL, the partition
will extend to the end of the master MTD device.

This works fine for kernel and barebox. 

Teresa

> 
> Sascha
> 



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