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Re: [PATCH 1/2] of/flattree: Eliminate need to provide early_init_dt_sca

To: Grant Likely <>,
Subject: Re: [PATCH 1/2] of/flattree: Eliminate need to provide early_init_dt_scan_chosen_arch
From: David Daney <>
Date: Thu, 14 Oct 2010 14:08:12 -0700
In-reply-to: <20101013064352.2743.80378.stgit@localhost6.localdomain6>
Original-recipient: rfc822;
References: <20101013064352.2743.80378.stgit@localhost6.localdomain6>
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On 10/12/2010 11:44 PM, Grant Likely wrote:
This patch refactors the early init parsing of the chosen node so that
architectures aren't forced to provide an empty implementation of
early_init_dt_scan_chosen_arch.  Instead, if an architecture wants to
do something different, it can either use a wrapper function around
early_init_dt_scan_chosen(), or it can replace it altogether.

This patch was written in preparation to adding device tree support to
both x86 ad MIPS.

Signed-off-by: Grant Likely<>

In conjunction with my 'MIPS: Add some irq definitins required by OF' and the '2/2 of/mips: Add device tree support to MIPS' patches, I can enable CONFIG_USE_OF, and build and run a kernel on my Octeon. I haven't started using the device tree yet, but this is a good start.

You can add my...

Tested-by: David Daney <>

  arch/microblaze/kernel/prom.c |    5 -----
  arch/powerpc/kernel/prom.c    |   12 ++++++++++--
  drivers/of/fdt.c              |    2 --
  include/linux/of_fdt.h        |    2 +-
  4 files changed, 11 insertions(+), 10 deletions(-)

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