[uClinux-dev] Re: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems

David McCullough David_Mccullough at securecomputing.com
Tue May 26 19:27:01 EDT 2009

Jivin Paul Mundt lays it down ...
> On Tue, May 26, 2009 at 01:24:46PM -0400, Mike Frysinger wrote:
> > On Tue, May 26, 2009 at 13:06, Paul Mundt wrote:
> > > Use the attached, and then just set uclinux_ram_map.phys = your_address_here
> > > in your setup_arch(). Having weak symbols in drivers that are supposed to
> > > be overriden by the architecture code is just way too backwards for
> > > words. Globals suffice fine for this sort of thing, if you are not going
> > > to go to the effort to pass this information to the driver directly that
> > > is.
> > 
> > i was thinking something else, but obviously this is nicer than what i
> > was thinking
> Unfortunately there is the problem that the map driver itself is a
> tristate, so if this is built as a module, the symbol will not be
> available to you. On the other hand, if it doesn't need to ever really be
> a module, converting it to a bool ought to be workable. There are no
> in-tree users that enable this as a module anyways.

Based on how it relocates the rootfs,  I don't believe a module can ever
be work,  so a boolean would be a better choice IMO,


David McCullough,  david_mccullough at securecomputing.com,  Ph:+61 734352815
McAfee - SnapGear  http://www.snapgear.com                http://www.uCdot.org

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