[PATCH] ARM: mx3/pcm037: properly allocate memory for mx3-camera

[Alberto Panizzo]

On lun, 2010-12-06 at 15:54 +0100, Alberto Panizzo wrote:
> 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

Ok. Yes, updating to 2.6.37-rc4 solve the problem.
Now with the Uwe original patch style I am able to capture a 1600x1200
rgb565 image.
Thanks all and OK for the patch!

Best regards,

-- 
Alberto!

        Be Persistent!
                - Greg Kroah-Hartman (FOSDEM 2010)