[PATCH] ARM: mx3/pcm037: properly allocate memory for mx3-camera
Alberto Panizzo
maramaopercheseimorto at gmail.com
Mon Dec 6 09:54:00 EST 2010
On lun, 2010-12-06 at 14:34 +0000, Russell King - ARM Linux wrote:
> On Mon, Dec 06, 2010 at 03:09:41PM +0100, Alberto Panizzo wrote:
> > > And the memblock debug output?
> >
> > The following is the complete debug:
> >
> > Uncompressing Linux... done, booting the kernel.
> > [ 0.000000] Linux version 2.6.36-10808-ga06e72c-dirty (alberto at realization) (gcc version 4.3.2 (OSELAS.Toolchain-1.99.3) ) #180 PREEMPT Mon Dec 6 14:24:53 CET 2010
>
> Ah ha.
>
> > [ 0.000000] mx31_3ds_reserve: Reserved 8388608 bytes from address 0x87800000
> >
> > Removed 8 MB from the memory map. Start address 0x87800000
> >
> > [ 0.000000] MEMBLOCK configuration:
> > [ 0.000000] rmo_size = 0x0
> > [ 0.000000] memory.size = 0x7800000
> > [ 0.000000] memory.cnt = 0x1
> > [ 0.000000] memory[0x0] 0x0000000080000000 - 0x00000000877fffff, 0x7800000 bytes
> > [ 0.000000] reserved.cnt = 0x1
> > [ 0.000000] reserved[0x0] 0x0000000080004000 - 0x0000000080415ed7, 0x411ed8 bytes
> >
> > That's true, because otherwise (without reserving memory) I get:
> > >>[ 0.000000] memory[0x0] 0x0000000080000000 - 0x0000000087ffffff, 0x8000000 bytes
>
> Ok.
>
> > [ 0.000000] Memory: 128MB = 128MB total
>
> Ah ha.
>
> You're trying to use something which requires code that was merged into
> 2.6.37-rc on a kernel which doesn't have the commits necessary to make
> it work...
>
> You need at least the core memblock changes, plus 7dc50ec^..f25b4b4
> to make this work.
AAaaarrrgghhhhh!! Ok, Really sorry about all this noise guys!!
I cloned the imx branch nearly before the 2.6.37 merge window
and I did not sync my local branch since that time.
Really sorry. I will feed back you after a fast rebase of my patch
set onto the nowadays pengutronix for-next
--
Alberto!
Be Persistent!
- Greg Kroah-Hartman (FOSDEM 2010)
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