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From: David McCullough <David_Mccullough@securecomputing.com>
To: Paul Mundt <lethal@linux-sh.org>,
	Mike Frysinger <vapier.adi@gmail.com>,
	linux-kernel@vger.kernel.org,
	uclinux-dist-devel@blackfin.uclinux.org,
	Greg Ungerer <gerg@uclinux.org>,
	uclinux-dev@uclinux.org, linux-mtd@lists.infradead.org
Subject: Re: [uClinux-dev] Re: [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems
Date: Wed, 27 May 2009 09:27:01 +1000	[thread overview]
Message-ID: <20090526232701.GC24644@securecomputing.com> (raw)
In-Reply-To: <20090526231902.GA6295@linux-sh.org>


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,

Cheers,
Davidm

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

  parent reply	other threads:[~2009-05-26 23:27 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-05-26  9:46 [PATCH 1/2] mtd/maps: uclinux: fix building when partition support is disabled Mike Frysinger
2009-05-26  9:46 ` [PATCH 2/2] mtd/maps: uclinux: support Blackfin systems Mike Frysinger
2009-05-26 11:31   ` Paul Mundt
2009-05-26 16:42     ` Mike Frysinger
2009-05-26 16:47       ` Paul Mundt
2009-05-26 16:50         ` Mike Frysinger
2009-05-26 17:06           ` Paul Mundt
2009-05-26 17:24             ` Mike Frysinger
2009-05-26 23:19               ` Paul Mundt
2009-05-26 23:22                 ` Mike Frysinger
2009-05-26 23:27                 ` David McCullough [this message]
2009-05-26 23:33                 ` [PATCH 1/3] mtd/maps: uclinux: allow systems to override map addr/size Mike Frysinger
2009-05-26 23:40                   ` Paul Mundt
2009-05-26 23:46                   ` Paul Mundt
2009-05-27  0:46                     ` Mike Frysinger
2009-05-27  1:03                       ` Paul Mundt
2009-05-28 15:26                   ` Artem Bityutskiy
2009-05-26 23:33                 ` [PATCH 2/3] mtd/maps: uclinux: mark local stuff static Mike Frysinger
2009-06-10  1:47                   ` Greg Ungerer
2009-05-26 23:33                 ` [PATCH 3/3] mtd/maps: uclinux: do not allow to be built as a module Mike Frysinger
2009-06-10  2:34                   ` [uClinux-dev] " Greg Ungerer
2009-06-10  1:46 ` [uClinux-dev] [PATCH 1/2] mtd/maps: uclinux: fix building when partition support is disabled Greg Ungerer

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