From: Jeremy Kerr <jeremy.kerr@canonical.com>
Date: Sat, 30 Jan 2010 08:31:21 +0000 (-0700)
Subject: of/flattree: use callback to setup initrd from /chosen
X-Git-Tag: v2.6.34-rc1~289^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1406bc2f57787797d1f6a3675c019a7093769275;p=pandora-kernel.git

of/flattree: use callback to setup initrd from /chosen

At present, the fdt code sets the kernel-wide initrd_start and
initrd_end variables when parsing /chosen. On ARM, we only set these
once the bootmem has been reserved.

This change adds an arch hook to setup the initrd from the device
tree:

 void early_init_dt_setup_initrd_arch(unsigned long start,
				      unsigned long end);

The arch-specific code can then setup the initrd however it likes.

Compiled on powerpc, with CONFIG_BLK_DEV_INITRD=y and =n.

Signed-off-by: Jeremy Kerr <jeremy.kerr@canonical.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
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