[PATCH] arm: introduce arm_add_mem_device to register dram device

Jean-Christophe PLAGNIOL-VILLARD plagnioj at jcrosoft.com
Mon Aug 1 04:05:45 EDT 2011


On 10:05 Mon 01 Aug     , Sascha Hauer wrote:
> On Mon, Aug 01, 2011 at 07:04:52AM +0200, Jean-Christophe PLAGNIOL-VILLARD wrote:
> > this will automaticaly register the device to armlinux_add_dram
> > 
> > Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj at jcrosoft.com>
> > ---
> > diff --git a/include/driver.h b/include/driver.h
> > index b011f98..0faafe3 100644
> > --- a/include/driver.h
> > +++ b/include/driver.h
> > @@ -214,6 +214,11 @@ static inline struct device_d *add_mem_device(const char *name, resource_size_t
> >  				  IORESOURCE_MEM | flags, NULL);
> >  }
> >  
> > +#ifdef CONFIG_ARM
> > +struct device_d *arm_add_mem_device(const char* name, resource_size_t start,
> > +				    resource_size_t size);
> > +#endif
> > +
> 
> No ifdefs around function declarations please. Also, this should
> go somewhere under arch/arm/include.
armlinux?
> 
> BTW this conflicts with my mmu series I recently sent. Having this
> arm_add_mem_device function is a good thing, but now one of us has
> to do his series again :(

> For the mmu to just work on all boards I need a place where I know
> that all memory has been registered. For this I wanted to introduce
> a memory_initcall (we could also reuse console_initcall, but I thought
> having a dedicated initcall is cleaner). Then I could initialize the
> mmu in a later initcall.
I known but I wish we drop the mmu_init in the board at all
and manage it in a generic part

so no need to touch the board mem register

Best Regards,
J.



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