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authorDave C Boutcher <sleddog@us.ibm.com>2006-01-12 16:08:27 -0600
committerPaul Mackerras <paulus@samba.org>2006-01-13 21:02:50 +1100
commit088186ded490ced80758200cf8f906ed741df306 (patch)
tree0afbaac2b9843937c63da79dfbd91a60f606c00f /include/asm-powerpc/agp.h
parent898b5395e915210f41223caa30312994d64cba1d (diff)
downloadlinux-next-088186ded490ced80758200cf8f906ed741df306.tar.gz
[PATCH] powerpc: Add/remove/update properties in firmware device tree
Add support for updating and removing device tree properties. Since we hand out pointers to properties with gay abandon, we can't just free the property storage. Instead we move deleted, or the old copy of an updated property, to a "dead properties" list. Also note, its not feasable to kref device tree properties. we call get_property() all over the kernel in a wild variety of contexts. One consequence of this change is that we now take a read_lock(&devtree_lock) when doing get_property(). Signed-off-by: Dave Boutcher <sleddog@us.ibm.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
Diffstat (limited to 'include/asm-powerpc/agp.h')
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