Pull request: removal of most instances of mach/memory.h

[Nicolas Pitre]

On Mon, 26 Sep 2011, Russell King - ARM Linux wrote:

> On Mon, Sep 26, 2011 at 04:00:11PM -0400, Nicolas Pitre wrote:
> > On Mon, 26 Sep 2011, Russell King - ARM Linux wrote:
> > 
> > > On Mon, Sep 26, 2011 at 10:33:28AM -0400, Nicolas Pitre wrote:
> > > >       ARM: mach-ep93xx: remove mach/memory.h and Kconfig selection of SDRAM bank
> > > 
> > > Are you planning to totally kill off ZBOOT_ROM too?  Because removing
> > > the zreladdr stuff is doing exactly that.
> > 
> > It looks like ZBOOT_ROM is not used on that platform at all.  However, 
> > the ability to have a single defconfig and binary for the whole platform 
> > is something that the mach-ep93xx maintainers are looking for.  Having 
> > ZBOOT_ROM depend on and use CONFIG_PHYS_OFFSET would probably makes 
> > sense eventually.
> 
> You miss the point.  Removing zreladdr actively _prevents_ anyone from
> then choosing to build a kernel with ZBOOT_ROM enabled targetted for one
> platform if that's what they want, because the decompressor then loses
> the information it needs to properly locate the kernel.

Sure.  My point is that ZBOOT_ROM should eventually be coupled with 
CONFIG_PHYS_OFFSET to derive the zreladdr value.  Like for XIP_KERNEL, 
there is no real point having ZBOOT_ROM when ARM_PATCH_PHYS_VIRT is set, 
and when not set we have the equivalent zreladdr information elsewhere 
already.


Nicolas