From: Andres Salomon <dilinger@queued.net>
To: Grant Likely <grant.likely@secretlab.ca>
Cc: devicetree-discuss@lists.ozlabs.org, sparclinux@vger.kernel.org,
x86@kernel.org, tglx@linutronix.de, mingo@redhat.com,
hpa@zytor.com, cjb@laptop.org, Mitch Bradley <wmb@laptop.org>,
pgf@laptop.org, linux-kernel@vger.kernel.org,
davem@davemloft.net,
Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH 2/4] sparc: break out some prom device-tree building code out into drivers/of
Date: Tue, 29 Jun 2010 11:03:24 -0400 [thread overview]
Message-ID: <20100629110324.2756cc02@debian> (raw)
In-Reply-To: <AANLkTilN3_ntG7AWKi-8LM9X_dZJPPlWM6xRM_V_00xU@mail.gmail.com>
On Tue, 29 Jun 2010 00:50:08 -0700
Grant Likely <grant.likely@secretlab.ca> wrote:
> On Mon, Jun 28, 2010 at 7:00 PM, Andres Salomon <dilinger@queued.net> wrote:
> >
> > Stick code into drivers/of/pdt.c (Prom Device Tree) that other
> > architectures with OpenFirmware resident in memory can make use of.
> >
> > Signed-off-by: Andres Salomon <dilinger@queued.net>
>
> Hi Andres,
>
> The patch itself looks fine, but there are currently two methods for
> extracting the device tree from open firmware; one in arch/powerpc
> using the flattened format, and one in arch/sparc. I don't want to
> end up maintaining both methods in drivers/of, and there has also some
> discussions on moving the powerpc version into common code. I've been
> thinking about using the powerpc approach to support ARM platforms
> using both the flat tree and real OFW.
>
> Ben, what say you? Before I do anything I'd like to have your opinion.
>
So you're saying that you want ARM (and sparc, and OLPC) to generate a
flat tree by calling into OFW? Sparc and OLPC have very similar
mechanisms for getting device tree info from OFW, so it makes sense to
share code between them.
next prev parent reply other threads:[~2010-06-29 15:03 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 1:54 [PATCH 0/4] RFC: OLPC/x86 device tree code Andres Salomon
2010-06-29 2:00 ` [PATCH 1/4] x86: OLPC: constify an olpc_ofw() arg Andres Salomon
2010-07-31 1:10 ` [tip:x86/olpc] x86, olpc: Constify " tip-bot for Andres Salomon
2010-06-29 2:00 ` [PATCH 2/4] sparc: break out some prom device-tree building code out into drivers/of Andres Salomon
2010-06-29 3:11 ` David Miller
2010-06-29 6:15 ` Stephen Rothwell
2010-06-29 7:50 ` Grant Likely
2010-06-29 15:03 ` Andres Salomon [this message]
2010-06-29 21:42 ` Grant Likely
2010-06-29 23:36 ` Andres Salomon
2010-06-30 21:52 ` Grant Likely
2010-07-07 4:07 ` Andres Salomon
2010-07-06 2:22 ` David Miller
2010-07-06 7:00 ` Grant Likely
2010-07-06 7:16 ` David Miller
2010-07-06 8:17 ` Grant Likely
2010-07-07 5:15 ` Andres Salomon
2010-07-06 10:17 ` Benjamin Herrenschmidt
2010-07-06 8:17 ` Grant Likely
2010-07-06 9:21 ` Grant Likely
2010-07-06 21:54 ` Andres Salomon
2010-07-06 22:06 ` Grant Likely
2010-07-07 1:15 ` Andres Salomon
2010-06-29 2:00 ` [PATCH 3/4] proc: unify PROC_DEVICETREE config Andres Salomon
2010-06-29 7:33 ` Grant Likely
2010-06-29 2:00 ` [PATCH 4/4] x86: OLPC: add OLPC device-tree support Andres Salomon
2010-06-29 8:12 ` Grant Likely
2010-06-29 8:33 ` Stephen Rothwell
2010-06-29 14:23 ` Andres Salomon
2010-06-30 21:13 ` Grant Likely
2010-06-30 21:32 ` Andres Salomon
2010-08-30 3:51 ` [PATCH 0/9] " Andres Salomon
2010-08-30 3:53 ` [PATCH 1/9] of: move phandle/ihandle into types.h Andres Salomon
2010-08-30 5:06 ` Sam Ravnborg
2010-09-03 8:17 ` Andres Salomon
2010-09-05 6:22 ` Sam Ravnborg
2010-08-30 3:55 ` [PATCH 2/9] sparc: convert various prom_* functions to use phandle Andres Salomon
2010-08-30 3:57 ` [PATCH 3/9] sparc: break out some PROM device-tree building code out into drivers/of Andres Salomon
2010-08-30 3:59 ` [PATCH 4/9] sparc: make drivers/of/pdt.c no longer sparc-only Andres Salomon
2010-08-30 4:00 ` [PATCH 5/9] of: no longer call prom_ functions directly; use an ops structure Andres Salomon
2010-08-30 4:02 ` [PATCH 6/9] of: add of_pdt namespace to pdt code Andres Salomon
2010-08-30 4:04 ` [PATCH 7/9] of: add package-to-path support to pdt Andres Salomon
2010-08-30 4:06 ` [PATCH 8/9] x86: of: irq additions to make drivers/of/* build on x86 Andres Salomon
2010-08-30 15:58 ` Stephen Neuendorffer
2010-08-30 17:31 ` Grant Likely
2010-08-30 4:07 ` [PATCH 9/9] x86: OLPC: add OLPC device-tree support Andres Salomon
2010-08-30 18:14 ` Grant Likely
2010-08-30 18:49 ` Andres Salomon
2010-08-31 5:49 ` Grant Likely
2010-08-30 17:58 ` [PATCH 0/9] " Grant Likely
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