linux-kernel - Re: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems

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Message-ID: <20090526231902.GA6295@linux-sh.org>
Date:	Wed, 27 May 2009 08:19:02 +0900
From:	Paul Mundt <lethal@...ux-sh.org>
To:	Mike Frysinger <vapier.adi@...il.com>
Cc:	linux-kernel@...r.kernel.org,
	uclinux-dist-devel@...ckfin.uclinux.org,
	Greg Ungerer <gerg@...inux.org>, uclinux-dev@...inux.org,
	linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems

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.
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